Merge pull request #35 from eblot/rf2500_hidapi
HIDAPI implementation for Rf2500 (TI Launchpad) for macOS
This commit is contained in:
Daniel Beer
GitHub
commit
33cd9ba4cd
14
Makefile
14
Makefile
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@ -39,6 +39,7 @@ else
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endif
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BSLHID_OBJ ?= transport/bslhid.o
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RF25000_OBJ ?= transport/rf2500.o
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ifeq ($(OS),Windows_NT)
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MSPDEBUG_CC = $(CC)
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@ -66,13 +67,18 @@ else
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ifeq ($(UNAME_S),Darwin) # Mac OS X/MacPorts stuff
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ifeq ($(shell fink -V > /dev/null 2>&1 && echo ok),ok)
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PORTS_CFLAGS := $(shell pkg-config --cflags libusb)
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PORTS_LDFLAGS := $(shell pkg-config --libs libusb) -ltermcap -pthread
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PORTS_CFLAGS := $(shell pkg-config --cflags hidapi libusb)
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PORTS_LDFLAGS := $(shell pkg-config --libs hidapi libusb) -ltermcap -pthread
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else ifeq ($(shell brew --version > /dev/null 2>&1 && echo ok),ok)
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PORTS_CFLAGS := $(shell pkg-config --cflags hidapi)
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PORTS_LDFLAGS := $(shell pkg-config --libs hidapi) -framework IOKit -framework CoreFoundation
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else
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PORTS_CFLAGS := -I/opt/local/include
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PORTS_LDFLAGS := -L/opt/local/lib -framework IOKit -framework CoreFoundation
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PORTS_LDFLAGS := -L/opt/local/lib -lhidapi -framework IOKit -framework CoreFoundation
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endif
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BSLHID_OBJ = transport/bslosx.o
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RF25000_OBJ = transport/rf2500hidapi.o
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LDFLAGS =
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else ifneq ($(filter $(UNAME_S),OpenBSD NetBSD DragonFly),)
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PORTS_CFLAGS := $(shell pkg-config --cflags libusb)
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PORTS_LDFLAGS := $(shell pkg-config --libs libusb) -ltermcap -pthread
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@ -150,10 +156,10 @@ OBJ=\
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transport/cp210x.o \
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transport/cdc_acm.o \
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transport/ftdi.o \
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transport/rf2500.o \
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transport/ti3410.o \
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transport/comport.o \
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$(BSLHID_OBJ) \
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$(RF25000_OBJ) \
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drivers/device.o \
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drivers/bsl.o \
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drivers/fet.o \
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@ -0,0 +1,207 @@
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/* MSPDebug - debugging tool for the eZ430
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* Copyright (C) 2009-2012 Daniel Beer
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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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <hidapi.h>
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#include "rf2500.h"
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#include "util.h"
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#include "usbutil.h"
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#include "output.h"
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#define USB_FET_VENDOR 0x0451
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#define USB_FET_PRODUCT 0xf432
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#define USB_FET_IN_EP 0x81
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#define USB_FET_OUT_EP 0x01
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struct rf2500_transport {
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struct transport base;
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hid_device *handle;
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uint8_t buf[64];
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int len;
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int offset;
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};
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static int usbtr_send(transport_t tr_base, const uint8_t *data, int len)
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{
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struct rf2500_transport *tr = (struct rf2500_transport *)tr_base;
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while (len) {
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uint8_t pbuf[256];
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int plen = len > 255 ? 255 : len;
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int txlen = plen + 1;
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memcpy(pbuf + 1, data, plen);
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/* This padding is needed to work around an apparent bug in
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* the RF2500 FET. Without this, the device hangs.
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*/
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if (txlen > 32 && (txlen & 0x3f))
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while (txlen < 255 && (txlen & 0x3f))
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pbuf[txlen++] = 0xff;
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else if (txlen > 16 && (txlen & 0xf))
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while (txlen < 255 && (txlen & 0xf) != 1)
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pbuf[txlen++] = 0xff;
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pbuf[0] = txlen - 1;
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#ifdef DEBUG_USBTR
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debug_hexdump("HIDUSB transfer out", pbuf, txlen);
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#endif
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if (hid_write(tr->handle,
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(const unsigned char *)pbuf, txlen) < 0) {
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pr_error("rf2500: can't send data");
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return -1;
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}
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data += plen;
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len -= plen;
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}
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return 0;
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}
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static int usbtr_recv(transport_t tr_base, uint8_t *databuf, int max_len)
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{
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struct rf2500_transport *tr = (struct rf2500_transport *)tr_base;
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int rlen;
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if (tr->offset >= tr->len) {
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if (hid_read_timeout(tr->handle, (unsigned char *)tr->buf,
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sizeof(tr->buf), 10000) < 0) {
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pr_error("rf2500: can't receive data");
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return -1;
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}
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#ifdef DEBUG_USBTR
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debug_hexdump("HIDUSB transfer in", tr->buf, 64);
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#endif
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tr->len = tr->buf[1] + 2;
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if (tr->len > sizeof(tr->buf))
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tr->len = sizeof(tr->buf);
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tr->offset = 2;
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}
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rlen = tr->len - tr->offset;
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if (rlen > max_len)
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rlen = max_len;
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memcpy(databuf, tr->buf + tr->offset, rlen);
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tr->offset += rlen;
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return rlen;
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}
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static void usbtr_destroy(transport_t tr_base)
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{
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struct rf2500_transport *tr = (struct rf2500_transport *)tr_base;
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hid_close(tr->handle);
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free(tr);
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hid_exit();
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}
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static int usbtr_flush(transport_t tr_base)
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{
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struct rf2500_transport *tr = (struct rf2500_transport *)tr_base;
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unsigned char buf[64];
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/* Flush out lingering data.
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*
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* The timeout apparently doesn't work on OS/X, and this loop
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* just hangs once the endpoint buffer empties.
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*/
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while (hid_read_timeout(tr->handle, buf, sizeof(buf), 100) > 0);
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tr->len = 0;
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tr->offset = 0;
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return 0;
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}
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static int usbtr_set_modem(transport_t tr_base, transport_modem_t state)
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{
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printc_err("rf2500: unsupported operation: set_modem\n");
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return -1;
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}
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static const struct transport_class rf2500_transport = {
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.destroy = usbtr_destroy,
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.send = usbtr_send,
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.recv = usbtr_recv,
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.flush = usbtr_flush,
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.set_modem = usbtr_set_modem
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};
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static const wchar_t * get_wc(const char *c)
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{
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const size_t csize = strlen(c)+1;
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wchar_t* wc = malloc(sizeof(wchar_t)*csize);
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mbstowcs (wc, c, csize);
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return wc;
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}
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transport_t rf2500_open(const char *devpath, const char *requested_serial)
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{
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struct rf2500_transport *tr = malloc(sizeof(*tr));
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hid_device *handle;
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if (!tr) {
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pr_error("rf2500: can't allocate memory");
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return NULL;
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}
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memset(tr, 0, sizeof(*tr));
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tr->base.ops = &rf2500_transport;
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hid_init();
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if (devpath) {
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handle = hid_open_path(devpath);
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}
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else {
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const wchar_t * wc_serial;
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if ( requested_serial ) {
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wc_serial = get_wc(requested_serial);
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} else {
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wc_serial = NULL;
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}
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handle = hid_open(USB_FET_VENDOR, USB_FET_PRODUCT, wc_serial);
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if ( wc_serial ) {
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free((wchar_t *)wc_serial);
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}
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}
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if (!handle) {
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printc_err("rf2500: failed to open RF2500 device\n");
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free(tr);
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hid_exit();
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return NULL;
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}
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tr->handle = handle;
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usbtr_flush(&tr->base);
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return (transport_t)tr;
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}
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