Support for Olimex MSP430-JTAG-ISO.

AUTHORS

@@ -41,3 +41,7 @@ Andrew Armenia <andrew@asquaredlabs.com>:
 
 James Laird <james.laird@nicta.com.au>:
 	* Support for CC430F5133.
+
+Stefan Mahr <Stefan.Mahr@phairon.com>:
+	* Initial support, testing and analysis for Olimex
+	  MSP430-JTAG-ISO.

main.c

@@ -174,7 +174,7 @@ static device_t driver_open_olimex(const struct cmdline_args *args)
 	transport_t trans;
 
 	if (args->serial_device)
-		trans = uif_open(args->serial_device, 1);
+		trans = uif_open(args->serial_device, UIF_TYPE_OLIMEX);
 	else
 		trans = olimex_open(args->usb_device);
 
@@ -184,6 +184,23 @@ static device_t driver_open_olimex(const struct cmdline_args *args)
 	return driver_open_fet(args, FET_PROTO_OLIMEX, trans);
 }
 
+static device_t driver_open_olimex_iso(const struct cmdline_args *args)
+{
+	transport_t trans;
+
+	if (!args->serial_device) {
+		printc_err("This driver does not support USB access. "
+			   "Specify a tty device using -d.\n");
+		return NULL;
+	}
+
+	trans = uif_open(args->serial_device, UIF_TYPE_OLIMEX_ISO);
+	if (!trans)
+		return NULL;
+
+	return driver_open_fet(args, FET_PROTO_OLIMEX, trans);
+}
+
 static device_t driver_open_sim(const struct cmdline_args *args)
 {
 	return sim_open(fetch_io, store_io, NULL);
@@ -199,7 +216,7 @@ static device_t driver_open_uif(const struct cmdline_args *args)
 		return NULL;
 	}
 
-	trans = uif_open(args->serial_device, 0);
+	trans = uif_open(args->serial_device, UIF_TYPE_FET);
 	if (!trans)
 		return NULL;
 
@@ -239,6 +256,10 @@ static const struct driver driver_table[] = {
 		.help = "Olimex MSP-JTAG-TINY.",
 		.func = driver_open_olimex
 	},
+	{       .name = "olimex-iso",
+		.help = "Olimex MSP-JTAG-ISO.",
+		.func = driver_open_olimex_iso
+	},
 	{
 		.name = "sim",
 		.help = "Simulation mode.",

mspdebug.man

@@ -71,6 +71,8 @@ Connect to an eZ430-RF2500 device. Only USB connection is supported.
 .IP "\fBolimex\fR"
 Connect to an Olimex MSP-JTAG-TINY device. Both USB and tty access are
 supported.
+.IP "\fBolimex-iso\fR"
+Connect to an Olimex MSP-JTAG-ISO device. Only tty access is supported.
 .IP "\fBsim\fR"
 Do not connect to any hardware device, but instead start in simulation
 mode. A 64k buffer is allocated to simulate the device memory. The CPU

uif.c

@@ -25,6 +25,10 @@
 #include <unistd.h>
 #include <termios.h>
 
+#include <linux/serial.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+
 #include "uif.h"
 #include "util.h"
 #include "output.h"
@@ -81,7 +85,35 @@ static void serial_destroy(transport_t tr_base)
 	free(tr);
 }
 
-transport_t uif_open(const char *device, int is_olimex)
+static int open_olimex_iso(const char *device)
+{
+        int fd = open(device, O_RDWR | O_NOCTTY);
+        struct termios attr;
+        struct serial_struct serial_info;
+
+        if (fd < 0)
+                return -1;
+
+        tcgetattr(fd, &attr);
+        cfmakeraw(&attr);
+        cfsetispeed(&attr, B38400);
+        cfsetospeed(&attr, B38400);
+
+        serial_info.flags = ASYNC_SPD_CUST;
+        serial_info.custom_divisor = 120;
+        if (ioctl(fd, TIOCSSERIAL, &serial_info) < 0) {
+		printc_err("open_olimex_iso: can't do ioctl TIOCSSERIAL: %s\n",
+			   strerror(errno));
+		return -1;
+        }
+
+        if (tcsetattr(fd, TCSAFLUSH, &attr) < 0)
+                return -1;
+
+        return fd;
+}
+
+transport_t uif_open(const char *device, uif_type_t type)
 {
 	struct uif_transport *tr = malloc(sizeof(*tr));
 
@@ -94,10 +126,23 @@ transport_t uif_open(const char *device, int is_olimex)
 	tr->base.recv = serial_recv;
 	tr->base.destroy = serial_destroy;
 
-	printc("Trying to open %s on %s...\n",
-		is_olimex ? "Olimex" : "UIF", device);
+	switch (type) {
+	case UIF_TYPE_FET:
+		printc("Trying to open UIF on %s...\n", device);
+		tr->serial_fd = open_serial(device, B460800);
+		break;
+
+	case UIF_TYPE_OLIMEX:
+		printc("Trying to open Olimex on %s...\n", device);
+		tr->serial_fd = open_serial(device, B500000);
+		break;
+
+	case UIF_TYPE_OLIMEX_ISO:
+		printc("Trying to open Olimex (ISO) on %s...\n", device);
+		tr->serial_fd = open_olimex_iso(device);
+		break;
+	}
 
-	tr->serial_fd = open_serial(device, is_olimex ? B500000 : B460800);
 	if (tr->serial_fd < 0) {
 		printc_err("uif: can't open serial device: %s: %s\n",
 			device, strerror(errno));

uif.h

@@ -21,10 +21,16 @@
 
 #include "transport.h"
 
+typedef enum {
+	UIF_TYPE_FET,
+	UIF_TYPE_OLIMEX,
+	UIF_TYPE_OLIMEX_ISO
+} uif_type_t;
+
 /* This function is for opening an eZ430-F2013 or FET430UIF device via
  * a kernel-supported serial interface. The argument given should be the
  * filename of the relevant tty device.
  */
-transport_t uif_open(const char *device, int is_olimex);
+transport_t uif_open(const char *device, uif_type_t type);
 
 #endif