+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2010 by Michal Demin *
* based on usbprog.c and arm-jtag-ew.c *
* Several fixes by R. Diez in 2013. *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#define CMD_RAW_SPEED 0x60
#define CMD_RAW_MODE 0x80
+#define CMD_TAP_SHIFT_HEADER_LEN 3
+
/* raw-wire mode configuration */
#define CMD_RAW_CONFIG_HIZ 0x00
#define CMD_RAW_CONFIG_3V3 0x08
#define B1000000 0010010
#endif
+#define SHORT_TIMEOUT 1 /* Must be at least 1. */
+#define NORMAL_TIMEOUT 10
+
enum {
MODE_HIZ = 0,
MODE_JTAG = 1, /* push-pull outputs */
static int queued_retval;
static char swd_features;
-static const cc_t SHORT_TIMEOUT = 1; /* Must be at least 1. */
-static const cc_t NORMAL_TIMEOUT = 10;
-
static int buspirate_fd = -1;
static int buspirate_pinmode = MODE_JTAG_OD;
static int buspirate_baudrate = SERIAL_NORMAL;
static int buspirate_init(void)
{
- if (buspirate_port == NULL) {
+ if (!buspirate_port) {
LOG_ERROR("You need to specify the serial port!");
return ERROR_JTAG_INIT_FAILED;
}
if (CMD_ARGC < 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- if (buspirate_port == NULL)
+ if (!buspirate_port)
buspirate_port = strdup(CMD_ARGV[0]);
return ERROR_OK;
}
-static const struct command_registration buspirate_command_handlers[] = {
+static const struct command_registration buspirate_subcommand_handlers[] = {
{
- .name = "buspirate_adc",
+ .name = "adc",
.handler = &buspirate_handle_adc_command,
.mode = COMMAND_EXEC,
.help = "reads voltages on adc pins",
.usage = "",
},
{
- .name = "buspirate_vreg",
+ .name = "vreg",
.usage = "<1|0>",
.handler = &buspirate_handle_vreg_command,
.mode = COMMAND_CONFIG,
.help = "changes the state of voltage regulators",
},
{
- .name = "buspirate_pullup",
+ .name = "pullup",
.usage = "<1|0>",
.handler = &buspirate_handle_pullup_command,
.mode = COMMAND_CONFIG,
.help = "changes the state of pullup",
},
{
- .name = "buspirate_led",
+ .name = "led",
.usage = "<1|0>",
.handler = &buspirate_handle_led_command,
.mode = COMMAND_EXEC,
.help = "changes the state of led",
},
{
- .name = "buspirate_speed",
+ .name = "speed",
.usage = "<normal|fast>",
.handler = &buspirate_handle_speed_command,
.mode = COMMAND_CONFIG,
.help = "speed of the interface",
},
{
- .name = "buspirate_mode",
+ .name = "mode",
.usage = "<normal|open-drain>",
.handler = &buspirate_handle_mode_command,
.mode = COMMAND_CONFIG,
.help = "pin mode of the interface",
},
{
- .name = "buspirate_port",
+ .name = "port",
.usage = "/dev/ttyUSB0",
.handler = &buspirate_handle_port_command,
.mode = COMMAND_CONFIG,
COMMAND_REGISTRATION_DONE
};
+static const struct command_registration buspirate_command_handlers[] = {
+ {
+ .name = "buspirate",
+ .mode = COMMAND_ANY,
+ .help = "perform buspirate management",
+ .chain = buspirate_subcommand_handlers,
+ .usage = "",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
static const struct swd_driver buspirate_swd = {
.init = buspirate_swd_init,
.switch_seq = buspirate_swd_switch_seq,
static int buspirate_tap_execute(void)
{
- static const int CMD_TAP_SHIFT_HEADER_LEN = 3;
-
uint8_t tmp[4096];
uint8_t *in_buf;
int i;
int bit_index = tap_chain_index % 8;
uint8_t bit = 1 << bit_index;
- if (0 == bit_index) {
+ if (bit_index == 0) {
/* Let's say that the TAP shift operation wants to shift 9 bits,
so we will be sending to the Bus Pirate a bit count of 9 but still
full 16 bits (2 bytes) of shift data.
/* set the serial port parameters */
fcntl(fd, F_SETFL, 0);
- if (0 != tcgetattr(fd, &t_opt))
+ if (tcgetattr(fd, &t_opt) != 0)
return -1;
- if (0 != cfsetispeed(&t_opt, baud))
+ if (cfsetispeed(&t_opt, baud) != 0)
return -1;
- if (0 != cfsetospeed(&t_opt, baud))
+ if (cfsetospeed(&t_opt, baud) != 0)
return -1;
t_opt.c_cflag |= (CLOCAL | CREAD);
/* Note that, in the past, TCSANOW was used below instead of TCSADRAIN,
and CMD_UART_SPEED did not work properly then, at least with
the Bus Pirate v3.5 (USB). */
- if (0 != tcsetattr(fd, TCSADRAIN, &t_opt)) {
+ if (tcsetattr(fd, TCSADRAIN, &t_opt) != 0) {
/* According to the Linux documentation, this is actually not enough
to detect errors, you need to call tcgetattr() and check that
all changes have been performed successfully. */
tmp[5] = 0x07; /* write mode trn_1 */
tmp[6] = 0x07; /* write mode trn_2 */
- to_send = ((cmd & SWD_CMD_RnW) == 0) ? 7 : 5;
+ to_send = ((cmd & SWD_CMD_RNW) == 0) ? 7 : 5;
buspirate_serial_write(buspirate_fd, tmp, to_send);
/* read ack */
uint8_t tmp[16];
LOG_DEBUG("buspirate_swd_read_reg");
- assert(cmd & SWD_CMD_RnW);
+ assert(cmd & SWD_CMD_RNW);
if (queued_retval != ERROR_OK) {
LOG_DEBUG("Skip buspirate_swd_read_reg because queued_retval=%d", queued_retval);
LOG_DEBUG("%s %s %s reg %X = %08"PRIx32,
ack == SWD_ACK_OK ? "OK" : ack == SWD_ACK_WAIT ? "WAIT" : ack == SWD_ACK_FAULT ? "FAULT" : "JUNK",
- cmd & SWD_CMD_APnDP ? "AP" : "DP",
- cmd & SWD_CMD_RnW ? "read" : "write",
+ cmd & SWD_CMD_APNDP ? "AP" : "DP",
+ cmd & SWD_CMD_RNW ? "read" : "write",
(cmd & SWD_CMD_A32) >> 1,
data);
}
if (value)
*value = data;
- if (cmd & SWD_CMD_APnDP)
+ if (cmd & SWD_CMD_APNDP)
buspirate_swd_idle_clocks(ap_delay_clk);
return;
case SWD_ACK_WAIT:
uint8_t tmp[16];
LOG_DEBUG("buspirate_swd_write_reg");
- assert(!(cmd & SWD_CMD_RnW));
+ assert(!(cmd & SWD_CMD_RNW));
if (queued_retval != ERROR_OK) {
LOG_DEBUG("Skip buspirate_swd_write_reg because queued_retval=%d", queued_retval);
LOG_DEBUG("%s %s %s reg %X = %08"PRIx32,
ack == SWD_ACK_OK ? "OK" : ack == SWD_ACK_WAIT ? "WAIT" : ack == SWD_ACK_FAULT ? "FAULT" : "JUNK",
- cmd & SWD_CMD_APnDP ? "AP" : "DP",
- cmd & SWD_CMD_RnW ? "read" : "write",
+ cmd & SWD_CMD_APNDP ? "AP" : "DP",
+ cmd & SWD_CMD_RNW ? "read" : "write",
(cmd & SWD_CMD_A32) >> 1,
value);
switch (ack) {
case SWD_ACK_OK:
- if (cmd & SWD_CMD_APnDP)
+ if (cmd & SWD_CMD_APNDP)
buspirate_swd_idle_clocks(ap_delay_clk);
return;
case SWD_ACK_WAIT:
LOG_DEBUG("SWD queue return value: %02x", retval);
return retval;
}
-
-
projects / fw / openocd / blobdiff