#endif
#endif
-static int ft2232_execute_queue(void);
-static int ft2232_speed(int speed);
-static int ft2232_speed_div(int speed, int* khz);
-static int ft2232_khz(int khz, int* jtag_speed);
-static int ft2232_register_commands(struct command_context_s* cmd_ctx);
-static int ft2232_init(void);
-static int ft2232_quit(void);
-
-static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-
/**
* Send out \a num_cycles on the TCK line while the TAP(s) are in a
* stable state. Calling code must ensure that current state is stable,
clock_tms(0x4b, tms_bits, tms_count, 0);
}
-jtag_interface_t ft2232_interface =
-{
- .name = "ft2232",
- .execute_queue = ft2232_execute_queue,
- .speed = ft2232_speed,
- .speed_div = ft2232_speed_div,
- .khz = ft2232_khz,
- .register_commands = ft2232_register_commands,
- .init = ft2232_init,
- .quit = ft2232_quit,
-};
-
static int ft2232_write(uint8_t* buf, int size, uint32_t* bytes_written)
{
#if BUILD_FT2232_FTD2XX == 1
return ERROR_OK;
}
-static int ft2232_register_commands(struct command_context_s* cmd_ctx)
-{
- register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
- COMMAND_CONFIG, "the USB device description of the FTDI FT2232 device");
- register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command,
- COMMAND_CONFIG, "the serial number of the FTDI FT2232 device");
- register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,
- COMMAND_CONFIG, "the layout of the FT2232 GPIO signals used to control output-enables and reset signals");
- register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,
- COMMAND_CONFIG, "the vendor ID and product ID of the FTDI FT2232 device");
- register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command,
- COMMAND_CONFIG, "set the FT2232 latency timer to a new value");
- return ERROR_OK;
-}
-
static void ft2232_end_state(tap_state_t state)
{
if (tap_is_state_stable(state))
return retval;
}
-static int ft2232_execute_queue()
+static int ft2232_execute_queue(void)
{
jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
int retval;
int retval = ERROR_OK;
for (i = 0; i < argc; i += 2)
{
- retval = parse_u16(args[i], &ft2232_vid[i >> 1]);
- if (ERROR_OK != retval)
- break;
- retval = parse_u16(args[i + 1], &ft2232_pid[i >> 1]);
- if (ERROR_OK != retval)
- break;
+ COMMAND_PARSE_NUMBER(u16, args[i], ft2232_vid[i >> 1]);
+ COMMAND_PARSE_NUMBER(u16, args[i + 1], ft2232_pid[i >> 1]);
}
/*
char *end_of_desc;
- uint16_t read_buf[12];
+ uint16_t read_buf[12] = { 0 };
uint8_t buf[3];
uint32_t bytes_written;
*******************************************************************/
static int ktlink_init(void)
{
- uint8_t buf[3];
- uint32_t bytes_written;
- uint8_t swd_en = 0x20; //0x20 SWD disable, 0x00 SWD enable (ADBUS5)
-
- low_output = 0x08 | swd_en; // value; TMS=1,TCK=0,TDI=0,SWD=swd_en
- low_direction = 0x3B; // out=1; TCK/TDI/TMS=out,TDO=in,SWD=out,RTCK=in,SRSTIN=in
-
- // initialize low port
- buf[0] = 0x80; // command "set data bits low byte"
- buf[1] = low_output;
- buf[2] = low_direction;
- LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
-
- if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
- {
- LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x01;
- nSRST = 0x02;
- nTRSTnOE = 0x04;
- nSRSTnOE = 0x08;
-
- high_output = 0x80; // turn LED on
- high_direction = 0xFF; // all outputs
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
-
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- high_output |= nTRSTnOE;
- high_output &= ~nTRST;
- }
- else
- {
- high_output &= ~nTRSTnOE;
- high_output |= nTRST;
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- high_output &= ~nSRSTnOE;
- high_output |= nSRST;
- }
- else
- {
- high_output |= nSRSTnOE;
- high_output &= ~nSRST;
- }
-
- // initialize high port
- buf[0] = 0x82; // command "set data bits high byte"
- buf[1] = high_output; // value
- buf[2] = high_direction;
- LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
-
- if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
- {
- LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
+ uint8_t buf[3];
+ uint32_t bytes_written;
+ uint8_t swd_en = 0x20; //0x20 SWD disable, 0x00 SWD enable (ADBUS5)
+
+ low_output = 0x08 | swd_en; // value; TMS=1,TCK=0,TDI=0,SWD=swd_en
+ low_direction = 0x3B; // out=1; TCK/TDI/TMS=out,TDO=in,SWD=out,RTCK=in,SRSTIN=in
+
+ // initialize low port
+ buf[0] = 0x80; // command "set data bits low byte"
+ buf[1] = low_output;
+ buf[2] = low_direction;
+ LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+
+ if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ {
+ LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ nTRST = 0x01;
+ nSRST = 0x02;
+ nTRSTnOE = 0x04;
+ nSRSTnOE = 0x08;
+
+ high_output = 0x80; // turn LED on
+ high_direction = 0xFF; // all outputs
+
+ enum reset_types jtag_reset_config = jtag_get_reset_config();
+
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) {
+ high_output |= nTRSTnOE;
+ high_output &= ~nTRST;
+ } else {
+ high_output &= ~nTRSTnOE;
+ high_output |= nTRST;
+ }
+
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL) {
+ high_output &= ~nSRSTnOE;
+ high_output |= nSRST;
+ } else {
+ high_output |= nSRSTnOE;
+ high_output &= ~nSRST;
+ }
+
+ // initialize high port
+ buf[0] = 0x82; // command "set data bits high byte"
+ buf[1] = high_output; // value
+ buf[2] = high_direction;
+ LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+
+ if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ {
+ LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
}
static void ktlink_reset(int trst, int srst)
{
- enum reset_types jtag_reset_config = jtag_get_reset_config();
-
- if (trst == 1)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output &= ~nTRSTnOE;
- else
- high_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output |= nTRSTnOE;
- else
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output &= ~nSRST;
- else
- high_output &= ~nSRSTnOE;
- }
- else if (srst == 0)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output |= nSRST;
- else
- high_output |= nSRSTnOE;
- }
-
- buffer_write(0x82); // command "set data bits high byte"
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,high_direction);
+ enum reset_types jtag_reset_config = jtag_get_reset_config();
+
+ if (trst == 1) {
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ high_output &= ~nTRSTnOE;
+ else
+ high_output &= ~nTRST;
+ } else if (trst == 0) {
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ high_output |= nTRSTnOE;
+ else
+ high_output |= nTRST;
+ }
+
+ if (srst == 1) {
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ high_output &= ~nSRST;
+ else
+ high_output &= ~nSRSTnOE;
+ } else if (srst == 0) {
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ high_output |= nSRST;
+ else
+ high_output |= nSRSTnOE;
+ }
+
+ buffer_write(0x82); // command "set data bits high byte"
+ buffer_write(high_output);
+ buffer_write(high_direction);
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,high_direction);
}
static void ktlink_blink(void)
{
- /*LED connected to ACBUS7 */
- if (high_output & 0x80)
- high_output &= 0x7F;
- else
- high_output |= 0x80;
+ /* LED connected to ACBUS7 */
+ if (high_output & 0x80)
+ high_output &= 0x7F;
+ else
+ high_output |= 0x80;
+
+ buffer_write(0x82); // command "set data bits high byte"
+ buffer_write(high_output);
+ buffer_write(high_direction);
+}
- buffer_write(0x82); // command "set data bits high byte"
- buffer_write(high_output);
- buffer_write(high_direction);
+static int ft2232_register_commands(struct command_context_s* cmd_ctx)
+{
+ register_command(cmd_ctx, NULL, "ft2232_device_desc",
+ ft2232_handle_device_desc_command, COMMAND_CONFIG,
+ "the USB device description of the FTDI FT2232 device");
+ register_command(cmd_ctx, NULL, "ft2232_serial",
+ ft2232_handle_serial_command, COMMAND_CONFIG,
+ "the serial number of the FTDI FT2232 device");
+ register_command(cmd_ctx, NULL, "ft2232_layout",
+ ft2232_handle_layout_command, COMMAND_CONFIG,
+ "the layout of the FT2232 GPIO signals used "
+ "to control output-enables and reset signals");
+ register_command(cmd_ctx, NULL, "ft2232_vid_pid",
+ ft2232_handle_vid_pid_command, COMMAND_CONFIG,
+ "the vendor ID and product ID of the FTDI FT2232 device");
+ register_command(cmd_ctx, NULL, "ft2232_latency",
+ ft2232_handle_latency_command, COMMAND_CONFIG,
+ "set the FT2232 latency timer to a new value");
+
+ return ERROR_OK;
}
+
+jtag_interface_t ft2232_interface = {
+ .name = "ft2232",
+ .register_commands = &ft2232_register_commands,
+ .init = &ft2232_init,
+ .quit = &ft2232_quit,
+ .speed = &ft2232_speed,
+ .speed_div = &ft2232_speed_div,
+ .khz = &ft2232_khz,
+ .execute_queue = &ft2232_execute_queue,
+ };