/* project specific includes */
#include <helper/binarybuffer.h>
#include <jtag/interface.h>
-#include <jtag/stlink/stlink_layout.h>
-#include <jtag/stlink/stlink_transport.h>
-#include <jtag/stlink/stlink_interface.h>
+#include <jtag/hla/hla_layout.h>
+#include <jtag/hla/hla_transport.h>
+#include <jtag/hla/hla_interface.h>
#include <target/target.h>
#include <target/cortex_m.h>
/** */
uint8_t databuf[STLINK_DATA_SIZE];
/** */
- enum stlink_transports transport;
+ enum hl_transports transport;
/** */
struct stlink_usb_version version;
/** */
#define STLINK_DFU_COMMAND 0xF3
#define STLINK_SWIM_COMMAND 0xF4
#define STLINK_GET_CURRENT_MODE 0xF5
+#define STLINK_GET_TARGET_VOLTAGE 0xF7
#define STLINK_DEV_DFU_MODE 0x00
#define STLINK_DEV_MASS_MODE 0x01
else
h->version.jtag_api_max = STLINK_JTAG_API_V1;
- LOG_DEBUG("STLINK v%d JTAG v%d API v%d SWIM v%d VID 0x%04X PID 0x%04X",
+ LOG_INFO("STLINK v%d JTAG v%d API v%d SWIM v%d VID 0x%04X PID 0x%04X",
h->version.stlink,
h->version.jtag,
(h->version.jtag_api_max == STLINK_JTAG_API_V1) ? 1 : 2,
return ERROR_OK;
}
+static int stlink_usb_check_voltage(void *handle, float *target_voltage)
+{
+ struct stlink_usb_handle_s *h;
+ uint32_t adc_results[2];
+
+ h = (struct stlink_usb_handle_s *)handle;
+
+ /* only supported by stlink/v2 and for firmware >= 13 */
+ if (h->version.stlink == 1 || h->version.jtag < 13)
+ return ERROR_COMMAND_NOTFOUND;
+
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 8);
+
+ h->cmdbuf[h->cmdidx++] = STLINK_GET_TARGET_VOLTAGE;
+
+ int result = stlink_usb_xfer(handle, h->databuf, 8);
+
+ if (result != ERROR_OK)
+ return result;
+
+ /* convert result */
+ adc_results[0] = le_to_h_u32(h->databuf);
+ adc_results[1] = le_to_h_u32(h->databuf + 4);
+
+ *target_voltage = 0;
+
+ if (adc_results[0])
+ *target_voltage = 2 * ((float)adc_results[1]) * (float)(1.2 / adc_results[0]);
+
+ LOG_INFO("Target voltage: %f", (double)*target_voltage);
+
+ return ERROR_OK;
+}
+
/** */
static int stlink_usb_current_mode(void *handle, uint8_t *mode)
{
if (res != ERROR_OK)
return res;
+ /* we check the target voltage here as an aid to debugging connection problems.
+ * the stlink requires the target Vdd to be connected for reliable debugging.
+ * this cmd is supported in all modes except DFU
+ */
+ if (mode != STLINK_DEV_DFU_MODE) {
+
+ float target_voltage;
+
+ /* check target voltage (if supported) */
+ res = stlink_usb_check_voltage(h, &target_voltage);
+
+ if (res != ERROR_OK) {
+ if (res != ERROR_COMMAND_NOTFOUND)
+ LOG_ERROR("voltage check failed");
+ /* attempt to continue as it is not a catastrophic failure */
+ } else {
+ /* check for a sensible target voltage, operating range is 1.65-5.5v
+ * according to datasheet */
+ if (target_voltage < 1.5)
+ LOG_ERROR("target voltage may be too low for reliable debugging");
+ }
+ }
+
LOG_DEBUG("MODE: 0x%02X", mode);
/* set selected mode */
switch (h->transport) {
- case STLINK_TRANSPORT_SWD:
+ case HL_TRANSPORT_SWD:
emode = STLINK_MODE_DEBUG_SWD;
break;
- case STLINK_TRANSPORT_JTAG:
+ case HL_TRANSPORT_JTAG:
emode = STLINK_MODE_DEBUG_JTAG;
break;
- case STLINK_TRANSPORT_SWIM:
+ case HL_TRANSPORT_SWIM:
emode = STLINK_MODE_DEBUG_SWIM;
break;
default:
}
/** */
-static int stlink_usb_open(struct stlink_interface_param_s *param, void **fd)
+static int stlink_usb_close(void *fd)
+{
+ struct stlink_usb_handle_s *h;
+
+ h = (struct stlink_usb_handle_s *)fd;
+
+ if (h->fd)
+ jtag_libusb_close(h->fd);
+
+ free(fd);
+
+ return ERROR_OK;
+}
+
+/** */
+static int stlink_usb_open(struct hl_interface_param_s *param, void **fd)
{
int err;
struct stlink_usb_handle_s *h;
LOG_DEBUG("stlink_usb_open");
- h = malloc(sizeof(struct stlink_usb_handle_s));
+ h = calloc(1, sizeof(struct stlink_usb_handle_s));
if (h == 0) {
LOG_DEBUG("malloc failed");
h->transport = param->transport;
+ /* set max read/write buffer size in bytes */
+ param->max_buffer = 512;
+
const uint16_t vids[] = { param->vid, 0 };
const uint16_t pids[] = { param->pid, 0 };
if (jtag_libusb_open(vids, pids, &h->fd) != ERROR_OK) {
LOG_ERROR("open failed");
- return ERROR_FAIL;
+ goto error_open;
}
jtag_libusb_set_configuration(h->fd, 0);
if (jtag_libusb_claim_interface(h->fd, 0) != ERROR_OK) {
LOG_DEBUG("claim interface failed");
- return ERROR_FAIL;
+ goto error_open;
}
/* wrap version for first read */
if (err != ERROR_OK) {
LOG_ERROR("read version failed");
- jtag_libusb_close(h->fd);
- free(h);
- return err;
+ goto error_open;
}
/* compare usb vid/pid */
err = ERROR_OK;
switch (h->transport) {
- case STLINK_TRANSPORT_SWD:
- case STLINK_TRANSPORT_JTAG:
+ case HL_TRANSPORT_SWD:
+ case HL_TRANSPORT_JTAG:
if (h->version.jtag == 0)
err = ERROR_FAIL;
break;
- case STLINK_TRANSPORT_SWIM:
+ case HL_TRANSPORT_SWIM:
if (h->version.swim == 0)
err = ERROR_FAIL;
break;
if (err != ERROR_OK) {
LOG_ERROR("mode (transport) not supported by device");
- jtag_libusb_close(h->fd);
- free(h);
- return err;
+ goto error_open;
}
api = h->version.jtag_api_max;
if (err != ERROR_OK) {
LOG_ERROR("init mode failed");
- jtag_libusb_close(h->fd);
- free(h);
- return err;
+ goto error_open;
}
*fd = h;
return ERROR_OK;
-}
-/** */
-static int stlink_usb_close(void *fd)
-{
- return ERROR_OK;
+error_open:
+ stlink_usb_close(h);
+
+ return ERROR_FAIL;
}
/** */
-struct stlink_layout_api_s stlink_usb_layout_api = {
+struct hl_layout_api_s stlink_usb_layout_api = {
/** */
.open = stlink_usb_open,
/** */
Code Review / openocd.git / blobdiff