summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/jtag/drivers/buspirate.c54
1 files changed, 26 insertions, 28 deletions
diff --git a/src/jtag/drivers/buspirate.c b/src/jtag/drivers/buspirate.c
index 13819ba8..836a4d18 100644
--- a/src/jtag/drivers/buspirate.c
+++ b/src/jtag/drivers/buspirate.c
@@ -262,11 +262,6 @@ static int buspirate_quit(void)
/* openocd command interface */
COMMAND_HANDLER(buspirate_handle_adc_command)
{
- if (CMD_ARGC != 0) {
- LOG_ERROR("usage: buspirate_adc");
- return ERROR_OK;
- }
-
if (buspirate_fd == -1)
return ERROR_OK;
@@ -279,15 +274,17 @@ COMMAND_HANDLER(buspirate_handle_adc_command)
COMMAND_HANDLER(buspirate_handle_vreg_command)
{
- if (CMD_ARGC != 1) {
+ if (CMD_ARGC < 1) {
LOG_ERROR("usage: buspirate_vreg <1|0>");
return ERROR_OK;
}
if (atoi(CMD_ARGV[0]) == 1)
buspirate_vreg = 1;
- else
+ else if (atoi(CMD_ARGV[0]) == 0)
buspirate_vreg = 0;
+ else
+ LOG_ERROR("usage: buspirate_vreg <1|0>");
return ERROR_OK;
@@ -295,15 +292,17 @@ COMMAND_HANDLER(buspirate_handle_vreg_command)
COMMAND_HANDLER(buspirate_handle_pullup_command)
{
- if (CMD_ARGC != 1) {
+ if (CMD_ARGC < 1) {
LOG_ERROR("usage: buspirate_pullup <1|0>");
return ERROR_OK;
}
if (atoi(CMD_ARGV[0]) == 1)
buspirate_pullup = 1;
- else
+ else if (atoi(CMD_ARGV[0]) == 0)
buspirate_pullup = 0;
+ else
+ LOG_ERROR("usage: buspirate_pullup <1|0>");
return ERROR_OK;
@@ -311,7 +310,7 @@ COMMAND_HANDLER(buspirate_handle_pullup_command)
COMMAND_HANDLER(buspirate_handle_led_command)
{
- if (CMD_ARGC != 1) {
+ if (CMD_ARGC < 1) {
LOG_ERROR("usage: buspirate_led <1|0>");
return ERROR_OK;
}
@@ -320,10 +319,12 @@ COMMAND_HANDLER(buspirate_handle_led_command)
/* enable led */
buspirate_jtag_set_feature(buspirate_fd, FEATURE_LED,
ACTION_ENABLE);
- } else {
+ } else if (atoi(CMD_ARGV[0]) == 0) {
/* disable led */
buspirate_jtag_set_feature(buspirate_fd, FEATURE_LED,
ACTION_DISABLE);
+ } else {
+ LOG_ERROR("usage: buspirate_led <1|0>");
}
return ERROR_OK;
@@ -332,7 +333,7 @@ COMMAND_HANDLER(buspirate_handle_led_command)
COMMAND_HANDLER(buspirate_handle_mode_command)
{
- if (CMD_ARGC != 1) {
+ if (CMD_ARGC < 1) {
LOG_ERROR("usage: buspirate_mode <normal|open-drain>");
return ERROR_OK;
}
@@ -350,7 +351,7 @@ COMMAND_HANDLER(buspirate_handle_mode_command)
COMMAND_HANDLER(buspirate_handle_speed_command)
{
- if (CMD_ARGC != 1) {
+ if (CMD_ARGC < 1) {
LOG_ERROR("usage: buspirate_speed <normal|fast>");
return ERROR_OK;
}
@@ -368,12 +369,12 @@ COMMAND_HANDLER(buspirate_handle_speed_command)
COMMAND_HANDLER(buspirate_handle_port_command)
{
- if (CMD_ARGC != 1) {
+ if (CMD_ARGC < 1) {
LOG_ERROR("usage: buspirate_port /dev/ttyUSB0");
return ERROR_OK;
}
- if (buspirate_port == 0)
+ if (buspirate_port == NULL)
buspirate_port = strdup(CMD_ARGV[0]);
return ERROR_OK;
@@ -718,16 +719,15 @@ static void buspirate_jtag_enable(int fd)
while (!done) {
ret = buspirate_serial_read(fd, tmp, 4);
if (ret != 4) {
- LOG_ERROR("Buspirate did not respond :"
- "( restart everything");
+ LOG_ERROR("Buspirate error. Is is binary/"
+ "/OpenOCD support enabled?");
exit(-1);
}
- LOG_DEBUG("TUI");
if (strncmp(tmp, "BBIO", 4) == 0) {
ret = buspirate_serial_read(fd, tmp, 1);
if (ret != 1) {
- LOG_ERROR("Buspirate did not respond well :"
- "( restart everything");
+ LOG_ERROR("Buspirate did not correctly! "
+ "Do you have correct firmware?");
exit(-1);
}
if (tmp[0] != '1') {
@@ -742,8 +742,8 @@ static void buspirate_jtag_enable(int fd)
} else if (strncmp(tmp, "OCD1", 4) == 0)
done = 1;
else {
- LOG_ERROR("Buspirate did not respond :"
- "( restart everything");
+ LOG_ERROR("Buspirate did not correctly! "
+ "Do you have correct firmware?");
exit(-1);
}
}
@@ -763,7 +763,7 @@ static void buspirate_jtag_reset(int fd)
tmp[0] = 0x0F; /* reset BP */
buspirate_serial_write(fd, tmp, 1);
} else
- LOG_ERROR("Bad reply :( Please restart manually");
+ LOG_ERROR("Unable to restart buspirate!");
}
static void buspirate_jtag_set_speed(int fd, char speed)
@@ -785,13 +785,11 @@ static void buspirate_jtag_set_speed(int fd, char speed)
buspirate_serial_write(fd, ack, 2);
ret = buspirate_serial_read(fd, tmp, 2);
if (ret != 2) {
- LOG_ERROR("Buspirate did not respond :"
- "( restart everything");
+ LOG_ERROR("Buspirate did not ack speed change");
exit(-1);
}
if ((tmp[0] != CMD_UART_SPEED) || (tmp[1] != speed)) {
- LOG_ERROR("Buspirate didn't reply as expected :"
- "( restart everything");
+ LOG_ERROR("Buspirate didn't reply as expected");
exit(-1);
}
LOG_INFO("Buspirate switched to %s mode",
@@ -945,7 +943,7 @@ static int buspirate_serial_read(int fd, char *buf, int size)
buspirate_print_buffer(buf, len);
if (len != size)
- LOG_ERROR("Error sending data");
+ LOG_ERROR("Error reading data");
return len;
}