/* vid = pid = 0 marks the end of the list */
static uint16_t cmsis_dap_vid[MAX_USB_IDS + 1] = { 0 };
static uint16_t cmsis_dap_pid[MAX_USB_IDS + 1] = { 0 };
+static wchar_t *cmsis_dap_serial;
+static bool swd_mode;
#define PACKET_SIZE (64 + 1) /* 64 bytes plus report id */
#define USB_TIMEOUT 1000
/* CMSIS-DAP Vendor Commands
* None as yet... */
-static char *info_caps_str[] = {
+static const char * const info_caps_str[] = {
"SWD Supported",
"JTAG Supported"
};
struct hid_device_info *devs, *cur_dev;
unsigned short target_vid, target_pid;
+ bool found = false;
+
target_vid = 0;
target_pid = 0;
/*
- The CMSIS-DAP specification stipulates:
- "The Product String must contain "CMSIS-DAP" somewhere in the string. This is used by the
- debuggers to idenify a CMSIS-DAP compliant Debug Unit that is connected to a host computer."
- */
+ * The CMSIS-DAP specification stipulates:
+ * "The Product String must contain "CMSIS-DAP" somewhere in the string. This is used by the
+ * debuggers to identify a CMSIS-DAP compliant Debug Unit that is connected to a host computer."
+ */
devs = hid_enumerate(0x0, 0x0);
cur_dev = devs;
while (NULL != cur_dev) {
LOG_DEBUG("Cannot read product string of device 0x%x:0x%x",
cur_dev->vendor_id, cur_dev->product_id);
} else {
- if (wcsstr(cur_dev->product_string, L"CMSIS-DAP"))
- /*
- if the user hasn't specified VID:PID *and*
- product string contains "CMSIS-DAP", pick it
- */
- break;
+ if (wcsstr(cur_dev->product_string, L"CMSIS-DAP")) {
+ /* if the user hasn't specified VID:PID *and*
+ * product string contains "CMSIS-DAP", pick it
+ */
+ found = true;
+ }
}
} else {
- /*
- otherwise, exhaustively compare against all VID:PID in list
- */
+ /* otherwise, exhaustively compare against all VID:PID in list */
for (i = 0; cmsis_dap_vid[i] || cmsis_dap_pid[i]; i++) {
if ((cmsis_dap_vid[i] == cur_dev->vendor_id) && (cmsis_dap_pid[i] == cur_dev->product_id))
- break;
+ found = true;
}
+
+ if (cmsis_dap_vid[i] || cmsis_dap_pid[i])
+ found = true;
+ }
+
+ if (found) {
+ /* we have found an adapter, so exit further checks */
+ /* check serial number matches if given */
+ if (cmsis_dap_serial != NULL) {
+ if (wcscmp(cmsis_dap_serial, cur_dev->serial_number) == 0)
+ break;
+ } else
+ break;
}
cur_dev = cur_dev->next;
hid_free_enumeration(devs);
+ if (target_vid == 0 && target_pid == 0) {
+ LOG_ERROR("unable to find CMSIS-DAP device");
+ return ERROR_FAIL;
+ }
+
if (hid_init() != 0) {
LOG_ERROR("unable to open HIDAPI");
return ERROR_FAIL;
cmsis_dap_handle = NULL;
}
+ if (cmsis_dap_serial) {
+ free(cmsis_dap_serial);
+ cmsis_dap_serial = NULL;
+ }
+
return;
}
return retval;
}
+static int cmsis_dap_swd_open(void)
+{
+ int retval;
+
+ DEBUG_IO("CMSIS-DAP: cmsis_dap_swd_open");
+
+ if (cmsis_dap_handle == NULL) {
+
+ /* SWD init */
+ retval = cmsis_dap_usb_open();
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = cmsis_dap_get_caps_info();
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
+ if (!(cmsis_dap_handle->caps & INFO_CAPS_SWD)) {
+ LOG_ERROR("CMSIS-DAP: SWD not supported");
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ retval = cmsis_dap_cmd_DAP_Connect(CONNECT_SWD);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* Add more setup here.??... */
+
+ LOG_INFO("CMSIS-DAP: Interface Initialised (SWD)");
+ return ERROR_OK;
+}
+
static int cmsis_dap_init(void)
{
int retval;
uint8_t *data;
+ if (swd_mode) {
+ retval = cmsis_dap_swd_open();
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
if (cmsis_dap_handle == NULL) {
/* JTAG init */
return ERROR_OK;
}
-static int cmsis_dap_swd_init(uint8_t trn)
+static int cmsis_dap_swd_init(void)
{
- int retval;
-
- DEBUG_IO("CMSIS-DAP: cmsis_dap_swd_init");
-
- if (cmsis_dap_handle == NULL) {
-
- /* SWD init */
- retval = cmsis_dap_usb_open();
- if (retval != ERROR_OK)
- return retval;
-
- retval = cmsis_dap_get_caps_info();
- if (retval != ERROR_OK)
- return retval;
- }
-
- if (!(cmsis_dap_handle->caps & INFO_CAPS_SWD)) {
- LOG_ERROR("CMSIS-DAP: SWD not supported");
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- retval = cmsis_dap_cmd_DAP_Connect(CONNECT_SWD);
- if (retval != ERROR_OK)
- return retval;
-
- /* Add more setup here.??... */
-
- LOG_INFO("CMSIS-DAP: Interface Initialised (SWD)");
+ swd_mode = true;
return ERROR_OK;
}
return ERROR_OK;
}
+COMMAND_HANDLER(cmsis_dap_handle_serial_command)
+{
+ if (CMD_ARGC == 1) {
+ size_t len = mbstowcs(NULL, CMD_ARGV[0], 0);
+ cmsis_dap_serial = calloc(len + 1, sizeof(wchar_t));
+ if (cmsis_dap_serial == NULL) {
+ LOG_ERROR("unable to allocate memory");
+ return ERROR_OK;
+ }
+ if (mbstowcs(cmsis_dap_serial, CMD_ARGV[0], len + 1) == (size_t)-1) {
+ free(cmsis_dap_serial);
+ cmsis_dap_serial = NULL;
+ LOG_ERROR("unable to convert serial");
+ }
+ } else {
+ LOG_ERROR("expected exactly one argument to cmsis_dap_serial <serial-number>");
+ }
+
+ return ERROR_OK;
+}
+
static const struct command_registration cmsis_dap_subcommand_handlers[] = {
{
.name = "info",
.help = "the vendor ID and product ID of the CMSIS-DAP device",
.usage = "(vid pid)* ",
},
+ {
+ .name = "cmsis_dap_serial",
+ .handler = &cmsis_dap_handle_serial_command,
+ .mode = COMMAND_CONFIG,
+ .help = "set the serial number of the adapter",
+ .usage = "serial_string",
+ },
COMMAND_REGISTRATION_DONE
};