mehfet boilerplate, also fix bug in VID/PID stuff
This commit is contained in:
parent
7ef085140a
commit
00f11cd9d7
3
Makefile
3
Makefile
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@ -173,6 +173,7 @@ OBJ=\
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transport/cp210x.o \
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transport/cdc_acm.o \
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transport/ftdi.o \
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transport/mehfet_xport.o \
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transport/ti3410.o \
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transport/comport.o \
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$(BSLHID_OBJ) \
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@ -196,6 +197,8 @@ OBJ=\
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drivers/jtdev_bus_pirate.o \
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drivers/jtdev_gpio.o \
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drivers/jtaglib.o \
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drivers/mehfet_proto.o \
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drivers/mehfet.o \
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drivers/pif.o \
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drivers/loadbsl.o \
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drivers/loadbsl_fw.o \
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@ -365,7 +365,7 @@ static device_t bsl_open(const struct device_args *args)
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dev->serial = comport_open(args->path, 460800);
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else
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dev->serial = ti3410_open(args->path, args->requested_serial,
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args->has_vid_pid, args->vid, args->pid);
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(args->flags & DEVICE_FLAG_HAS_VID_PID), args->vid, args->pid);
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if (!dev->serial) {
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free(dev);
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@ -90,7 +90,6 @@ struct device_args {
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int bsl_gpio_dtr;
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uint8_t bsl_entry_password[32];
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uint16_t vid, pid;
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int has_vid_pid;
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};
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struct device_class {
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@ -45,10 +45,10 @@ static device_t fet_open_rf2500(const struct device_args *args)
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#if defined(__APPLE__)
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trans = rf2500hidapi_open(args->path, args->requested_serial,
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args->has_vid_pid, args->vid, args->pid);
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(args->flags & DEVICE_FLAG_HAS_VID_PID), args->vid, args->pid);
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#else
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trans = rf2500_open(args->path, args->requested_serial,
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args->has_vid_pid, args->vid, args->pid);
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(args->flags & DEVICE_FLAG_HAS_VID_PID), args->vid, args->pid);
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#endif
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if (!trans)
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return NULL;
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@ -82,8 +82,8 @@ static device_t fet_open_olimex_iso_mk2(const struct device_args *args)
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trans = comport_open(args->path, 115200);
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else
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trans = cdc_acm_open(args->path, args->requested_serial, 115200,
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args->has_vid_pid ? args->vid : 0x15ba,
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args->has_vid_pid ? args->pid : 0x0100);
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->vid : 0x15ba,
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->pid : 0x0100);
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if (!trans)
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return NULL;
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@ -105,8 +105,8 @@ static device_t fet_open_olimex_iso_mk2(const struct device_args *args)
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else
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trans = cdc_acm_open(args->path,
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args->requested_serial, 115200,
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args->has_vid_pid ? args->vid : 0x15ba,
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args->has_vid_pid ? args->pid : 0x0100);
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->vid : 0x15ba,
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->pid : 0x0100);
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if (!trans)
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return NULL;
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@ -146,8 +146,8 @@ static device_t fet_open_olimex(const struct device_args *args)
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trans = comport_open(args->path, 115200);
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else
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trans = cdc_acm_open(args->path, args->requested_serial, 115200,
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args->has_vid_pid ? args->vid : 0x15ba,
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args->has_vid_pid ? args->pid : 0x0031);
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->vid : 0x15ba,
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->pid : 0x0031);
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if (!trans)
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return NULL;
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@ -183,8 +183,8 @@ static device_t fet_open_olimex_v1(const struct device_args *args)
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trans = comport_open(args->path, 500000);
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else
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trans = cp210x_open(args->path, args->requested_serial, 500000,
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args->has_vid_pid ? args->vid : 0x15ba,
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args->has_vid_pid ? args->pid : 0x0002);
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->vid : 0x15ba,
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->pid : 0x0002);
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if (!trans)
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return NULL;
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@ -219,8 +219,9 @@ static device_t fet_open_olimex_iso(const struct device_args *args)
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trans = comport_open(args->path, 200000);
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else
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trans = ftdi_open(args->path, args->requested_serial,
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args->has_vid_pid ? args->vid : 0x15ba,
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args->has_vid_pid ? args->pid : 0x0008, 200000);
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->vid : 0x15ba,
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(args->flags & DEVICE_FLAG_HAS_VID_PID) ? args->pid : 0x0008,
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200000);
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if (!trans)
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return NULL;
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@ -256,7 +257,7 @@ static device_t fet_open_uif(const struct device_args *args)
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trans = comport_open(args->path, 460800);
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else
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trans = ti3410_open(args->path, args->requested_serial,
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args->has_vid_pid, args->vid, args->pid);
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(args->flags & DEVICE_FLAG_HAS_VID_PID), args->vid, args->pid);
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if (!trans)
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return NULL;
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@ -186,7 +186,8 @@ static void jtbp_close(struct jtdev *p)
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out_buff = 0x0f;
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// Don't care if this fails, user can just power cycle the bus pirate
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if(write(p->port, &out_buff, 1));
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if(write(p->port, &out_buff, 1))
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;
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close(p->port);
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}
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@ -0,0 +1,208 @@
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "util.h"
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#include "output.h"
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#include "ctrlc.h"
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#include "mehfet_proto.h"
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#include "mehfet_xport.h"
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#include "mehfet.h"
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struct mehfet_device {
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struct device base;
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transport_t trans;
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enum mehfet_conn connstat;
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};
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static int check_dev_ok(struct mehfet_device* dev, const struct device_args* args,
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enum mehfet_conn* useconn) {
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transport_t t = dev->trans;
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struct mehfet_info info;
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int r;
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r = mehfet_cmd_info(t, &info);
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if (r < 0) return r;
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printc_dbg("mehfet: MehFET %s\n", info.devicename);
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free(info.devicename);
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if (info.proto_version < MEHFET_PROTO_VER_MIN_SUPPORTED) {
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printc_err("mehfet: device has protocol version %04x, "
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"need at least %04x\n", info.proto_version,
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MEHFET_PROTO_VER_MIN_SUPPORTED);
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return -1;
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}
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if (info.proto_version > MEHFET_PROTO_VER) {
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printc_err("mehfet: device has newer protocol version %04x "
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"supporting at most %04x\n", info.proto_version,
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MEHFET_PROTO_VER);
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return -1;
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}
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if (args->flags & DEVICE_FLAG_JTAG) {
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if (!(info.caps & (mehfet_cap_jtag_noentry | mehfet_cap_jtag_entryseq))) {
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printc_err("mehfet: Cannot do JTAG, device doesn't have the capability\n");
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return -1;
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}
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// devices that don't need one will probably work when given an entry
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// sequence. no good way of doing a proper autodetect sadly
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if (info.caps & mehfet_cap_jtag_entryseq)
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*useconn = mehfet_conn_jtag_entryseq;
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else
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*useconn = mehfet_conn_jtag_noentry;
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} else {
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if (!(info.caps & mehfet_cap_sbw_entryseq)) {
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printc_err("mehfet: Cannot do Spy-Bi-Wire, device doesn't have the capability\n");
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return -1;
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}
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*useconn = mehfet_conn_sbw_entryseq;
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}
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if (args->flags & DEVICE_FLAG_FORCE_RESET)
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*useconn |= mehfet_conn_nrstmask;
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mehfet_transport_set_buf_size(t, (int)info.packet_buf_size);
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return 0;
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}
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static void mehfet_destroy(device_t dev_base) {
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struct mehfet_device* dev = (struct mehfet_device*)dev_base;
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if (dev->trans) {
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dev->trans->ops->destroy(dev->trans);
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dev->trans = NULL;
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}
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// TODO:
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// * release device (POR?)
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// * Disconnect
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free(dev);
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}
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static device_t mehfet_open(const struct device_args* args) {
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struct mehfet_device* dev;
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int r;
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if ((args->flags & DEVICE_FLAG_TTY)) {
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printc_err("mehfet: this driver does not support TTY access\n");
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return NULL;
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}
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dev = calloc(1, sizeof(*dev));
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if (!dev) {
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printc_err("mehfet: malloc: %s\n", last_error());
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return NULL;
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}
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dev->base.type = &device_mehfet;
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dev->base.max_breakpoints = 2; // TODO
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dev->base.need_probe = 1; // TODO
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// the MehFET currently doesn't have a designated PID, so we can't really
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// default to one.
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dev->trans = mehfet_transport_open(args->path,
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((args->flags & DEVICE_FLAG_HAS_VID_PID) ? &args->vid : NULL),
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((args->flags & DEVICE_FLAG_HAS_VID_PID) ? &args->pid : NULL),
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args->requested_serial);
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if (!dev->trans) goto FAIL;
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enum mehfet_conn useconn;
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r = check_dev_ok(dev, args, &useconn);
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if (r < 0) goto FAIL;
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r = mehfet_cmd_connect(dev->trans, useconn);
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if (r < 0) goto FAIL;
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r = mehfet_cmd_status(dev->trans, &dev->connstat);
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if (r < 0) goto FAIL;
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if (dev->connstat != (useconn & mehfet_conn_typemask)) {
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printc_err("mehfet: could not create connection to device\n");
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goto FAIL;
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}
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// TODO:
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// * GetDevice stuff
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//
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// => TODO: slau320 routines!
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return (device_t)dev;
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FAIL:
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mehfet_destroy((device_t)dev);
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return NULL;
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}
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static int mehfet_readmem(device_t dev_base, address_t addr,
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uint8_t *mem, address_t len)
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{
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return -1;
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}
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static int mehfet_writemem(device_t dev_base, address_t addr,
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const uint8_t *mem, address_t len)
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{
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return -1;
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}
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static int mehfet_setregs(device_t dev_base, const address_t *regs)
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{
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(void)dev_base;
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(void)regs;
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return -1;
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}
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static int mehfet_getregs(device_t dev_base, address_t *regs)
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{
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(void)dev_base;
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(void)regs;
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return -1;
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}
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static int mehfet_ctl(device_t dev_base, device_ctl_t type)
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{
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return -1;
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}
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static device_status_t mehfet_poll(device_t dev_base)
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{
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return DEVICE_STATUS_RUNNING;
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}
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static int mehfet_erase(device_t dev_base, device_erase_type_t type,
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address_t addr)
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{
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return -1;
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}
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static int mehfet_getconfigfuses(device_t dev_base)
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{
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return -1;
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}
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const struct device_class device_mehfet = {
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.name = "mehfet",
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.help = "MehFET USB device",
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.open = mehfet_open,
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.destroy = mehfet_destroy,
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.readmem = mehfet_readmem,
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.writemem = mehfet_writemem,
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.getregs = mehfet_getregs,
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.setregs = mehfet_setregs,
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.ctl = mehfet_ctl,
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.poll = mehfet_poll,
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.erase = mehfet_erase,
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.getconfigfuses = mehfet_getconfigfuses
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};
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@ -0,0 +1,27 @@
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/* MSPDebug - debugging tool for MSP430 MCUs
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* Copyright (C) 2021, sys64738@disroot.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef MEHFET_H_
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#define MEHFET_H_
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#include "device.h"
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extern const struct device_class device_mehfet;
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#endif
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@ -0,0 +1,444 @@
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mehfet_xport.h"
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#include "output.h"
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#include "util.h"
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#include "mehfet_proto.h"
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// TODO: replace '64' by transport buf size
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int mehfet_cmd_info(transport_t t, struct mehfet_info* info) {
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if (!info) return -1;
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uint8_t buf[64];
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int r;
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r = mehfet_send_raw(t, mehfet_info, 0, NULL);
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if (r < 0) return r;
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uint8_t stat = 0;
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int len = sizeof buf;
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r = mehfet_recv_raw(t, &stat, &len, buf);
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if (r < 0) return r;
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r = mehfet_err_on_stat("Info", stat, len, buf);
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if (r < 0) return r;
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if (len < 8) {
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printc_err("mehfet: Info response too short: %d < 8\n", len);
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return -1;
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}
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info->caps = buf[0] | ((uint32_t)buf[1] << 8)
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| ((uint32_t)buf[2] << 16) | ((uint32_t)buf[3] << 24);
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info->proto_version = buf[4] | ((uint16_t)buf[5] << 8);
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info->packet_buf_size = 1u << buf[6];
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// buf[7]: reserved
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if (len > 9) { // len includes the null terminator
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char* str = calloc(len - 8, 1);
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memcpy(str, &buf[8], len - 8);
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str[len - 9] = 0;
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info->devicename = str;
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}
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#ifdef DEBUG_MEHFET_DRIVER
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printc_dbg("mehfet: Info(): '%s' caps=0x%x, protover=0x%04x, pktsize=0x%x\n",
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info->devicename ? info->devicename : "<none>",
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info->caps, info->proto_version, info->packet_buf_size);
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#endif
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return 0;
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}
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int mehfet_cmd_status(transport_t t, enum mehfet_conn* ret) {
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if (!ret) return -1;
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uint8_t buf[64];
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int r;
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r = mehfet_send_raw(t, mehfet_status, 0, NULL);
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if (r < 0) return r;
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uint8_t stat = 0;
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int len = sizeof buf;
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r = mehfet_recv_raw(t, &stat, &len, buf);
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if (r < 0) return r;
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r = mehfet_err_on_stat("Status", stat, len, buf);
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if (r < 0) return r;
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if (len != 1) {
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printc_err("mehfet: Status response wrong length: %d != 1\n", len);
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return -1;
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}
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*ret = buf[0];
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#ifdef DEBUG_MEHFET_DRIVER
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printc_dbg("mehfet: Status(): %hhu\n", *ret);
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#endif
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return 0;
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}
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int mehfet_cmd_connect(transport_t t, enum mehfet_conn conn) {
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uint8_t buf[64];
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int r;
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|
||||
buf[0] = conn;
|
||||
r = mehfet_send_raw(t, mehfet_connect, 1, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("Connect", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: Connect response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: Connect(0x%x)\n", conn);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_disconnect(transport_t t) {
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
r = mehfet_send_raw(t, mehfet_disconnect, 0, NULL);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("Disconnect", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: Disconnect response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: Disconnect()\n");
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_delay(transport_t t, bool us, bool exact, uint32_t time) {
|
||||
if (time >= (1u << 30)) return -1; // too large
|
||||
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
for (size_t i = 0; i < 4; ++i) buf[i] = (time >> (i*8)) & 0xff;
|
||||
if (us) buf[3] |= 0x40;
|
||||
if (exact) buf[3] |= 0x80;
|
||||
|
||||
r = mehfet_send_raw(t, mehfet_delay, 4, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("Delay", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: Delay response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: Delay(us=%c exact=%c time=%u)\n",
|
||||
us?'t':'f', exact?'t':'f', time);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_set_clkspeed(transport_t t, bool fast) {
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
buf[0] = fast ? 0xff : 0;
|
||||
r = mehfet_send_raw(t, mehfet_set_clkspeed, 1, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("SetClkSpeed", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: SetClkSpeed response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: SetClkSpeed(%s)\n", fast?"fast":"slow");
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_get_old_lines(transport_t t, enum mehfet_lines* lines) {
|
||||
if (!lines) return -1;
|
||||
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
r = mehfet_send_raw(t, mehfet_get_old_lines, 0, NULL);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("GetOldLines", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 1) {
|
||||
printc_err("mehfet: GetOldLines response wrong length: %d != 1\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
*lines = buf[0];
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: GetOldLines(): 0x%x\n", *lines);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mehfet_cmd_tdio_seq(transport_t t, uint32_t nbits, bool tms, const uint8_t* tdi, uint8_t* tdo) {
|
||||
if (!tdi || !tdo || !nbits) return -1;
|
||||
|
||||
int r;
|
||||
uint32_t nbytes = (nbits + 7) >> 3;
|
||||
uint8_t buf[(nbytes + 5) < 64 ? 64 : (nbytes + 5)]; // need min for recv
|
||||
|
||||
for (size_t i = 0; i < 4; ++i) buf[i] = (nbits >> (i*8)) & 0xff;
|
||||
buf[4] = tms ? 0xff : 0;
|
||||
memcpy(&buf[5], tdi, nbytes);
|
||||
|
||||
r = mehfet_send_raw(t, mehfet_tdio_seq, nbytes + 5, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf; // is a max len
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("TdioSequence", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != nbytes) {
|
||||
printc_err("mehfet: TdioSequence response wrong length: %d != %d\n",
|
||||
len, nbytes);
|
||||
return -1;
|
||||
}
|
||||
|
||||
memcpy(tdo, buf, nbytes);
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: TdioSequence(%u, TMS=%c):\n", nbits, tms?'1':'0');
|
||||
debug_hexdump("\tTDI", tdi, nbytes);
|
||||
debug_hexdump("\tTDO", tdo, nbytes);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_tms_seq(transport_t t, uint32_t nbits, bool tdi, const uint8_t* tms) {
|
||||
if (!tms || !nbits) return -1;
|
||||
|
||||
int r;
|
||||
uint32_t nbytes = (nbits + 7) >> 3;
|
||||
uint8_t buf[(nbytes + 5) < 64 ? 64 : (nbytes + 5)]; // need min for recv
|
||||
|
||||
for (size_t i = 0; i < 4; ++i) buf[i] = (nbits >> (i*8)) & 0xff;
|
||||
buf[4] = tdi ? 0xff : 0;
|
||||
memcpy(&buf[5], tms, nbytes);
|
||||
|
||||
r = mehfet_send_raw(t, mehfet_tdio_seq, sizeof buf, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf; // is a max len
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("TmsSequence", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: TmsSequence response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: TmsSequence(%u, TDI=%c):\n", nbits, tdi?'1':'0');
|
||||
debug_hexdump("\tTMS", tms, nbytes);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_tclk_edge(transport_t t, bool newtclk) {
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
buf[0] = newtclk ? 0xff : 0;
|
||||
r = mehfet_send_raw(t, mehfet_tclk_edge, 1, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("TclkEdge", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: TclkEdge response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: TclkEdge(TCLK=%c)\n", newtclk?'H':'L');
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_tclk_burst(transport_t t, uint32_t ncyc) {
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
for (size_t i = 0; i < 4; ++i) buf[i] = (ncyc >> (i*8)) & 0xff;
|
||||
r = mehfet_send_raw(t, mehfet_tclk_burst, 4, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("TclkBurst", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 0) {
|
||||
printc_err("mehfet: TclkBurst response wrong length: %d != 0\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: TclkBurst(ncyc=%u)\n", ncyc);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mehfet_cmd_reset_tap(transport_t t, enum mehfet_resettap_flags flags,
|
||||
enum mehfet_resettap_status* tstat) {
|
||||
if (!tstat) return -1;
|
||||
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
buf[0] = flags;
|
||||
r = mehfet_send_raw(t, mehfet_reset_tap, 1, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("ResetTAP", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 1) {
|
||||
printc_err("mehfet: ResetTAP response wrong length: %d != 1\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
*tstat = buf[0];
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: ResetTAP(flags=0x%x) = 0x%x\n", flags, *tstat);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_irshift(transport_t t, uint8_t newir, uint8_t* oldir) {
|
||||
if (!oldir) return -1;
|
||||
|
||||
uint8_t buf[64];
|
||||
int r;
|
||||
|
||||
buf[0] = newir;
|
||||
r = mehfet_send_raw(t, mehfet_irshift, 1, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("IRshift", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != 1) {
|
||||
printc_err("mehfet: IRshift response wrong length: %d != 1\n", len);
|
||||
return -1;
|
||||
}
|
||||
|
||||
*oldir = buf[0];
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: IRshift(new=0x%02x) = 0x%02x\n", newir, *oldir);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
int mehfet_cmd_drshift(transport_t t, uint32_t nbits, const uint8_t* newdr, uint8_t* olddr) {
|
||||
if (!newdr || !olddr) return -1;
|
||||
|
||||
uint32_t nbytes = (nbits + 7) >> 3;
|
||||
uint8_t buf[(nbytes + 4) < 64 ? 64 : (nbytes + 4)];
|
||||
int r;
|
||||
|
||||
for (size_t i = 0; i < 4; ++i) buf[i] = (nbits >> (i * 8)) & 0xff;
|
||||
memcpy(&buf[4], newdr, nbytes);
|
||||
r = mehfet_send_raw(t, mehfet_drshift, nbytes + 4, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
uint8_t stat = 0;
|
||||
int len = sizeof buf;
|
||||
r = mehfet_recv_raw(t, &stat, &len, buf);
|
||||
if (r < 0) return r;
|
||||
r = mehfet_err_on_stat("DRshift", stat, len, buf);
|
||||
if (r < 0) return r;
|
||||
|
||||
if (len != (int)nbytes) {
|
||||
printc_err("mehfet: DRshift response wrong length: %d != %u\n", len, nbytes);
|
||||
return -1;
|
||||
}
|
||||
|
||||
memcpy(olddr, buf, nbytes);
|
||||
|
||||
#ifdef DEBUG_MEHFET_DRIVER
|
||||
printc_dbg("mehfet: IRshift(nbits=%u):\n", nbits);
|
||||
debug_hexdump("\tin ", newdr, nbytes);
|
||||
debug_hexdump("\tout", olddr, nbytes);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,95 @@
|
|||
|
||||
#ifndef MEHFET_PROTO_H_
|
||||
#define MEHFET_PROTO_H_
|
||||
|
||||
#include "transport.h"
|
||||
|
||||
#define MEHFET_PROTO_VER 0x0001
|
||||
#define MEHFET_PROTO_VER_MIN_SUPPORTED 0x0001
|
||||
|
||||
enum mehfet_cmd {
|
||||
mehfet_info = 0x01,
|
||||
mehfet_status = 0x02,
|
||||
mehfet_connect = 0x03,
|
||||
mehfet_disconnect = 0x04,
|
||||
mehfet_delay = 0x05,
|
||||
mehfet_set_clkspeed = 0x06,
|
||||
mehfet_get_old_lines = 0x07,
|
||||
mehfet_tdio_seq = 0x08,
|
||||
mehfet_tms_seq = 0x09,
|
||||
mehfet_tclk_edge = 0x0a,
|
||||
mehfet_tclk_burst = 0x0b,
|
||||
mehfet_reset_tap = 0x0c,
|
||||
mehfet_irshift = 0x0d,
|
||||
mehfet_drshift = 0x0e,
|
||||
mehfet_loop = 0x0f,
|
||||
};
|
||||
|
||||
enum mehfet_caps {
|
||||
mehfet_cap_jtag_noentry = 1<<0,
|
||||
mehfet_cap_jtag_entryseq = 1<<1,
|
||||
mehfet_cap_sbw_entryseq = 1<<2,
|
||||
|
||||
mehfet_cap_has_reset_tap = 1<< 8,
|
||||
mehfet_cap_has_irshift = 1<< 9,
|
||||
mehfet_cap_has_drshift = 1<<10,
|
||||
mehfet_cap_has_loop = 1<<11,
|
||||
};
|
||||
|
||||
enum mehfet_conn {
|
||||
mehfet_conn_none = 0,
|
||||
mehfet_conn_auto = 0,
|
||||
|
||||
mehfet_conn_jtag_noentry = 1,
|
||||
mehfet_conn_jtag_entryseq = 2,
|
||||
mehfet_conn_sbw_entryseq = 3,
|
||||
|
||||
mehfet_conn_typemask = 0x7f,
|
||||
mehfet_conn_nrstmask = 0x80
|
||||
};
|
||||
|
||||
enum mehfet_lines {
|
||||
mehfet_line_tclk = 1<<0,
|
||||
mehfet_line_tms = 1<<1,
|
||||
mehfet_line_tdi = 1<<2
|
||||
};
|
||||
|
||||
enum mehfet_resettap_flags {
|
||||
mehfet_rsttap_do_reset = 1<<0, // reset TAP to run-test/idle state
|
||||
mehfet_rsttap_fuse_do = 1<<1, // perform fuse check procedure (TMS pulses) on target
|
||||
mehfet_rsttap_fuse_read = 1<<2, // check whether the JTAG fuse has been blown
|
||||
};
|
||||
enum mehfet_resettap_status {
|
||||
mehfet_rsttap_fuse_blown = 0x80
|
||||
};
|
||||
|
||||
struct mehfet_info {
|
||||
char* devicename;
|
||||
enum mehfet_caps caps;
|
||||
uint32_t packet_buf_size;
|
||||
uint16_t proto_version;
|
||||
};
|
||||
|
||||
|
||||
int mehfet_cmd_info(transport_t t, struct mehfet_info* info);
|
||||
int mehfet_cmd_status(transport_t t, enum mehfet_conn* stat);
|
||||
int mehfet_cmd_connect(transport_t t, enum mehfet_conn conn);
|
||||
int mehfet_cmd_disconnect(transport_t t);
|
||||
int mehfet_cmd_delay(transport_t t, bool us, bool exact, uint32_t time);
|
||||
int mehfet_cmd_set_clkspeed(transport_t t, bool fast);
|
||||
int mehfet_cmd_get_old_lines(transport_t t, enum mehfet_lines* lines);
|
||||
|
||||
int mehfet_cmd_tdio_seq(transport_t t, uint32_t nbits, bool tms, const uint8_t* tdi, uint8_t* tdo);
|
||||
int mehfet_cmd_tms_seq(transport_t t, uint32_t nbits, bool tdi, const uint8_t* tms);
|
||||
int mehfet_cmd_tclk_edge(transport_t t, bool newtclk);
|
||||
int mehfet_cmd_tclk_burst(transport_t t, uint32_t ncyc);
|
||||
|
||||
int mehfet_cmd_reset_tap(transport_t t, enum mehfet_resettap_flags flags, enum mehfet_resettap_status* stat);
|
||||
int mehfet_cmd_irshift(transport_t t, uint8_t newir, uint8_t* oldir);
|
||||
int mehfet_cmd_drshift(transport_t t, uint32_t nbits, const uint8_t* newdr, uint8_t* olddr);
|
||||
|
||||
// TODO: Loop
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -0,0 +1,406 @@
|
|||
/* MSPDebug - debugging tool for MSP430 MCUs
|
||||
* Copyright (C) 2021 sys64738@disroot.org
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
|
||||
#include "mehfet_xport.h"
|
||||
#include "util.h"
|
||||
#include "usbutil.h"
|
||||
#include "output.h"
|
||||
|
||||
struct mehfet_transport {
|
||||
struct transport base;
|
||||
struct usb_dev_handle *handle;
|
||||
int epin, epout;
|
||||
int buf_size;
|
||||
};
|
||||
|
||||
|
||||
#define TIMEOUT_S 30
|
||||
#define REQ_TIMEOUT_MS 100
|
||||
|
||||
|
||||
static int open_device(struct mehfet_transport *tr, struct usb_device *dev)
|
||||
{
|
||||
#ifdef __linux__
|
||||
int driver;
|
||||
char drv_name[128];
|
||||
#endif
|
||||
|
||||
// first, find the right interface (and associated endpoints) of the USB device
|
||||
|
||||
int config = 0, itf = 0;
|
||||
bool has = false;
|
||||
|
||||
for (config = 0; config < dev->descriptor.bNumConfigurations; ++config) {
|
||||
struct usb_config_descriptor* cd = &dev->config[config];
|
||||
|
||||
for (itf = 0; itf < cd->bNumInterfaces; ++itf) {
|
||||
struct usb_interface_descriptor* id = &cd->interface[itf].altsetting[0];
|
||||
|
||||
if (id->bInterfaceClass == USB_CLASS_VENDOR_SPEC
|
||||
&& id->bInterfaceSubClass == '4'
|
||||
&& id->bInterfaceProtocol == '3') {
|
||||
// here I'd like to check for the "MehFET" substring in the
|
||||
// interface's iInterface string, but I can't really figure out
|
||||
// how to do that, so I'll just assume this is enough checking.
|
||||
|
||||
if (id->bNumEndpoints != 2) continue; // this should be 2
|
||||
for (size_t i = 0; i < id->bNumEndpoints; ++i) {
|
||||
struct usb_endpoint_descriptor* ed = &id->endpoint[i];
|
||||
|
||||
if ((ed->bmAttributes & USB_ENDPOINT_TYPE_MASK)
|
||||
!= USB_ENDPOINT_TYPE_BULK)
|
||||
break;
|
||||
|
||||
if (ed->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
|
||||
tr->epin = ed->bEndpointAddress; // input endpoint
|
||||
else
|
||||
tr->epout = ed->bEndpointAddress; // output endpoint
|
||||
}
|
||||
|
||||
if (tr->epin != 0 && tr->epout != 0) {
|
||||
has = true;
|
||||
goto break_outer;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
break_outer:
|
||||
|
||||
if (!has) {
|
||||
printc_err("mehfet transport: USB device %s has no MehFET interface.\n",
|
||||
dev->filename);
|
||||
return -1;
|
||||
}
|
||||
|
||||
printc_dbg("mehfet transport: trying to open %s\n", dev->filename);
|
||||
tr->handle = usb_open(dev);
|
||||
if (!tr->handle) {
|
||||
printc_err("mehfet transport: can't open device: %s\n",
|
||||
usb_strerror());
|
||||
return -1;
|
||||
}
|
||||
|
||||
#ifdef __linux__
|
||||
driver = usb_get_driver_np(tr->handle, itf, drv_name, sizeof(drv_name));
|
||||
if (driver >= 0) {
|
||||
printc_dbg("Detaching kernel driver \"%s\"\n", drv_name);
|
||||
if (usb_detach_kernel_driver_np(tr->handle, itf) < 0)
|
||||
printc_err("warning: mehfet transport: can't detach "
|
||||
"kernel driver: %s\n", usb_strerror());
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef __Windows__
|
||||
if (usb_set_configuration(tr->handle, config) < 0) {
|
||||
printc_err("mehfet transport: can't set configuration: %s\n",
|
||||
usb_strerror());
|
||||
usb_close(tr->handle);
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (usb_claim_interface(tr->handle, itf) < 0) {
|
||||
printc_err("mehfet transport: can't claim interface: %s\n",
|
||||
usb_strerror());
|
||||
usb_close(tr->handle);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tr_destroy(transport_t tr_base)
|
||||
{
|
||||
struct mehfet_transport *tr = (struct mehfet_transport *)tr_base;
|
||||
|
||||
usb_close(tr->handle);
|
||||
free(tr);
|
||||
}
|
||||
|
||||
static int tr_recv(transport_t tr_base, uint8_t *databuf, int max_len)
|
||||
{
|
||||
struct mehfet_transport *tr = (struct mehfet_transport *)tr_base;
|
||||
time_t deadline = time(NULL) + TIMEOUT_S;
|
||||
char tmpbuf[tr->buf_size];
|
||||
|
||||
if (max_len > tr->buf_size)
|
||||
max_len = tr->buf_size;
|
||||
|
||||
while (time(NULL) < deadline) {
|
||||
int r = usb_bulk_read(tr->handle, tr->epin,
|
||||
tmpbuf, max_len,
|
||||
TIMEOUT_S * 1000);
|
||||
|
||||
if (r <= 0) {
|
||||
printc_err("mehfet transport: usb_bulk_read: %s\n",
|
||||
usb_strerror());
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (r > 2) {
|
||||
memcpy(databuf, tmpbuf, r);
|
||||
#ifdef DEBUG_MEHFET_TRANSPORT
|
||||
printc_dbg("mehfet transport: tr_recv: flags = %02x %02x\n",
|
||||
tmpbuf[0], tmpbuf[1]);
|
||||
debug_hexdump("mehfet transport: tr_recv", databuf, r);
|
||||
#endif
|
||||
return r;
|
||||
}
|
||||
}
|
||||
|
||||
printc_err("mehfet transport: timed out while receiving data\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int tr_send(transport_t tr_base, const uint8_t *databuf, int len)
|
||||
{
|
||||
struct mehfet_transport *tr = (struct mehfet_transport *)tr_base;
|
||||
|
||||
#ifdef DEBUG_MEHFET
|
||||
debug_hexdump("mehfet transport: tr_send", databuf, len);
|
||||
#endif
|
||||
while (len) {
|
||||
int r = usb_bulk_write(tr->handle, tr->epout,
|
||||
(char *)databuf, len,
|
||||
TIMEOUT_S * 1000);
|
||||
|
||||
if (r <= 0) {
|
||||
printc_err("mehfet transport: usb_bulk_write: %s\n",
|
||||
usb_strerror());
|
||||
return -1;
|
||||
}
|
||||
|
||||
databuf += r;
|
||||
len -= r;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tr_flush(transport_t tr_base)
|
||||
{
|
||||
(void)tr_base;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tr_set_modem(transport_t tr_base, transport_modem_t state)
|
||||
{
|
||||
(void)tr_base; (void)state;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct transport_class mehfet_class = {
|
||||
.destroy = tr_destroy,
|
||||
.send = tr_send,
|
||||
.recv = tr_recv,
|
||||
.flush = tr_flush,
|
||||
.set_modem = tr_set_modem
|
||||
};
|
||||
|
||||
transport_t mehfet_transport_open(const char *devpath,
|
||||
const uint16_t* vendor, const uint16_t* product,
|
||||
const char *requested_serial)
|
||||
{
|
||||
struct mehfet_transport *tr = malloc(sizeof(*tr));
|
||||
struct usb_device *dev = NULL;
|
||||
|
||||
if (!tr) {
|
||||
pr_error("mehfet transport: can't allocate memory");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
tr->base.ops = &mehfet_class;
|
||||
|
||||
usb_init();
|
||||
usb_find_busses();
|
||||
usb_find_devices();
|
||||
|
||||
if (devpath)
|
||||
dev = usbutil_find_by_loc(devpath);
|
||||
else if (vendor && product)
|
||||
dev = usbutil_find_by_id(*vendor, *product, requested_serial);
|
||||
|
||||
if (!dev) {
|
||||
free(tr);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
tr->buf_size = 64; // initial conservative value, will get updated later
|
||||
|
||||
if (open_device(tr, dev) < 0) {
|
||||
printc_err("ftdi: failed to open device\n");
|
||||
free(tr);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return &tr->base;
|
||||
}
|
||||
|
||||
|
||||
void mehfet_transport_set_buf_size(transport_t tr_base, int buf_size)
|
||||
{
|
||||
struct mehfet_transport *tr = (struct mehfet_transport *)tr_base;
|
||||
|
||||
tr->buf_size = buf_size;
|
||||
}
|
||||
int mehfet_transport_get_buf_size(transport_t tr_base)
|
||||
{
|
||||
struct mehfet_transport *tr = (struct mehfet_transport *)tr_base;
|
||||
|
||||
return tr->buf_size;
|
||||
}
|
||||
|
||||
|
||||
|
||||
int mehfet_send_raw(transport_t xport, uint8_t cmd, int datalen, const void* data) {
|
||||
if (datalen < 0) return -1;
|
||||
if (data && !datalen) return -1;
|
||||
if (!data && datalen) return -1;
|
||||
|
||||
uint8_t buf[1+4+datalen];
|
||||
|
||||
buf[0] = cmd;
|
||||
int i, len2;
|
||||
for (i = 0, len2 = datalen; i < 4 && len2; ++i, len2 >>= 7) {
|
||||
buf[0] |= 0x80; // command has payload data
|
||||
|
||||
if (i == 3) {
|
||||
buf[i+1] = len2;
|
||||
} else {
|
||||
buf[i+1] = len2 & 0x7f;
|
||||
if (len2 >> 7) buf[i+1] |= 0x80;
|
||||
}
|
||||
}
|
||||
|
||||
if (data && datalen) memcpy(&buf[i+1], data, datalen);
|
||||
|
||||
return xport->ops->send(xport, buf, datalen + 1 + i);
|
||||
}
|
||||
|
||||
int mehfet_recv_raw(transport_t xport, uint8_t* stat, int* datalen, void* data) {
|
||||
struct mehfet_transport *tr = (struct mehfet_transport *)xport;
|
||||
uint8_t rawbuf[tr->buf_size];
|
||||
|
||||
int nmax = 5, ndata = 0, nfetch;
|
||||
if (datalen) {
|
||||
ndata = *datalen;
|
||||
nmax = ndata + 5;
|
||||
}
|
||||
nfetch = nmax;
|
||||
if (nmax > tr->buf_size) {
|
||||
nmax = tr->buf_size;
|
||||
/*printc_err("mehfet transport: bug: asking for more data (%d) than "
|
||||
"in the device buffer size (%d)\n", nmax, tr->buf_size);
|
||||
return -1;*/
|
||||
}
|
||||
|
||||
int r = xport->ops->recv(xport, rawbuf, nfetch);
|
||||
if (r < 0) return r;
|
||||
if (r < 1) {
|
||||
printc_err("mehfet transport: no status byte received\n");
|
||||
return -1;
|
||||
}
|
||||
assert(r <= nfetch);
|
||||
|
||||
uint8_t statv = rawbuf[0];
|
||||
|
||||
uint32_t reallen = 0;
|
||||
uint8_t lastbyte = statv;
|
||||
int i;
|
||||
for (i = 0; i < 4 && (lastbyte & 0x80) /*&& i + 1 < r*/; ++i) {
|
||||
if (r < i + 2) {
|
||||
printc_err("mehfet transport: not enough lenght bytes received (%d)\n", r);
|
||||
return -1;
|
||||
}
|
||||
|
||||
lastbyte = rawbuf[i + 1];
|
||||
|
||||
uint8_t mask = (i == 3) ? 0xff : 0x7f;
|
||||
reallen |= (lastbyte & mask) << (i * 7);
|
||||
}
|
||||
|
||||
if ((int)reallen > nmax && data) {
|
||||
printc_err("mehfet transport: too much data returned (%d vs %d)\n",
|
||||
(int)reallen, nmax);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int nrecvdata = r - 1 - i;
|
||||
assert(nrecvdata >= 0);
|
||||
|
||||
if (nrecvdata && data) memcpy(data, &rawbuf[i+1], nrecvdata);
|
||||
// now we can use rawbuf for other purposes
|
||||
|
||||
int off = r;
|
||||
int ntodo = (int)reallen - nrecvdata;
|
||||
while (ntodo > 0) { // more data bytes following in this logical packet
|
||||
int thisblock = tr->buf_size;
|
||||
if (thisblock > ntodo) thisblock = ntodo;
|
||||
|
||||
r = xport->ops->recv(xport, rawbuf, thisblock);
|
||||
if (r < 0) return r;
|
||||
assert(r < thisblock);
|
||||
|
||||
memcpy(&((char*)data)[off], rawbuf, thisblock);
|
||||
ntodo -= r;
|
||||
off += r;
|
||||
}
|
||||
|
||||
if (stat) *stat = statv & 0x7f;
|
||||
if (datalen) *datalen = (int)reallen;
|
||||
|
||||
return (int)reallen;
|
||||
}
|
||||
|
||||
int mehfet_err_on_stat(const char* pre, uint8_t stat, int datalen, const void* data) {
|
||||
if (stat == mehfet_ok) return 0;
|
||||
|
||||
const char* d = (const char*)data;
|
||||
switch (stat) {
|
||||
case mehfet_badargs:
|
||||
printc_err("mehfet: %s: %s\n", pre,
|
||||
datalen ? d : "bad argument sent to command");
|
||||
break;
|
||||
case mehfet_nocaps:
|
||||
printc_err("mehfet: %s: %s\n", pre,
|
||||
datalen ? d : "device doesn't have the command capability");
|
||||
break;
|
||||
case mehfet_badstate:
|
||||
printc_err("mehfet: %s: %s\n", pre,
|
||||
datalen ? d : "device in wrong state to execute command");
|
||||
break;
|
||||
case mehfet_invalidcmd:
|
||||
printc_err("mehfet: %s: %s\n", pre,
|
||||
datalen ? d : "invalid command");
|
||||
break;
|
||||
case mehfet_error:
|
||||
printc_err("mehfet: %s: %s\n", pre, datalen ? d : "unspecified error");
|
||||
break;
|
||||
default:
|
||||
printc_err("mehfet: %s: unknown error %hhu\n", pre, stat);
|
||||
break;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/* MSPDebug - debugging tool for MSP430 MCUs
|
||||
* Copyright (C) 2021 sys64738@disroot.org
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef MEHFET_TRANSPORT_H_
|
||||
#define MEHFET_TRANSPORT_H_
|
||||
|
||||
#include "transport.h"
|
||||
|
||||
enum mehfet_status {
|
||||
mehfet_ok = 0x00,
|
||||
|
||||
mehfet_badargs = 0x7b,
|
||||
mehfet_nocaps = 0x7c,
|
||||
mehfet_badstate = 0x7d,
|
||||
mehfet_invalidcmd = 0x7e,
|
||||
mehfet_error = 0x7f
|
||||
};
|
||||
|
||||
|
||||
/* Search the USB bus for the first MehFET device and initialize it.
|
||||
* If successful, return a transport object. Otherwise, return NULL.
|
||||
*
|
||||
* A particular USB device or serial number may be specified.
|
||||
*/
|
||||
transport_t mehfet_transport_open(const char *usb_device,
|
||||
const uint16_t* vendor, const uint16_t* product,
|
||||
const char *requested_serial);
|
||||
|
||||
int mehfet_transport_get_buf_size(transport_t xport);
|
||||
void mehfet_transport_set_buf_size(transport_t xport, int buf_size);
|
||||
|
||||
int mehfet_send_raw(transport_t xport, uint8_t cmd, int datalen, const void* data);
|
||||
int mehfet_recv_raw(transport_t xport, uint8_t* stat, int* datalen, void* data);
|
||||
|
||||
int mehfet_err_on_stat(const char* pre, uint8_t stat, int datalen, const void* data);
|
||||
|
||||
#endif
|
||||
|
|
@ -58,6 +58,7 @@
|
|||
#include "fet3.h"
|
||||
#include "rom_bsl.h"
|
||||
#include "chipinfo.h"
|
||||
#include "mehfet.h"
|
||||
|
||||
#ifdef __CYGWIN__
|
||||
#include <sys/cygwin.h>
|
||||
|
|
@ -93,6 +94,7 @@ static const struct device_class *const driver_table[] = {
|
|||
&device_ezfet,
|
||||
&device_rom_bsl,
|
||||
&device_bp,
|
||||
&device_mehfet,
|
||||
};
|
||||
|
||||
static const char *version_text =
|
||||
|
|
|
|||
Loading…
Reference in New Issue