/***************************************************************************
- * Copyright (C) 2011 by Mathias Kuester *
+ * Copyright (C) 2011-2012 by Mathias Kuester *
* Mathias Kuester <kesmtp@freenet.de> *
* *
* This code is based on https://github.com/texane/stlink *
#define ENDPOINT_IN 0x80
#define ENDPOINT_OUT 0x00
-#define STLINK_RX_EP (1|ENDPOINT_IN)
-#define STLINK_TX_EP (2|ENDPOINT_OUT)
-#define STLINK_CMD_SIZE (16)
-#define STLINK_TX_SIZE (4*128)
-#define STLINK_RX_SIZE (4*128)
+#define STLINK_NULL_EP 0
+#define STLINK_RX_EP (1|ENDPOINT_IN)
+#define STLINK_TX_EP (2|ENDPOINT_OUT)
+#define STLINK_SG_SIZE (31)
+#define STLINK_DATA_SIZE (4*128)
+#define STLINK_CMD_SIZE_V2 (16)
+#define STLINK_CMD_SIZE_V1 (10)
+
+enum stlink_jtag_api_version {
+ STLINK_JTAG_API_V1 = 0,
+ STLINK_JTAG_API_V2,
+};
/** */
struct stlink_usb_version {
int jtag;
/** */
int swim;
+ /** highest supported jtag api version */
+ enum stlink_jtag_api_version jtag_api_max;
};
/** */
/** */
struct libusb_transfer *trans;
/** */
- uint8_t txbuf[STLINK_TX_SIZE];
+ uint8_t cmdbuf[STLINK_SG_SIZE];
+ /** */
+ uint8_t cmdidx;
+ /** */
+ uint8_t direction;
/** */
- uint8_t rxbuf[STLINK_RX_SIZE];
+ uint8_t databuf[STLINK_DATA_SIZE];
/** */
enum stlink_transports transport;
/** */
uint16_t vid;
/** */
uint16_t pid;
+ /** this is the currently used jtag api */
+ enum stlink_jtag_api_version jtag_api;
};
-#define STLINK_OK 0x80
-#define STLINK_FALSE 0x81
-#define STLINK_CORE_RUNNING 0x80
-#define STLINK_CORE_HALTED 0x81
-#define STLINK_CORE_STAT_UNKNOWN -1
-
-#define STLINK_GET_VERSION 0xF1
-#define STLINK_DEBUG_COMMAND 0xF2
-#define STLINK_DFU_COMMAND 0xF3
-#define STLINK_SWIM_COMMAND 0xF4
-#define STLINK_GET_CURRENT_MODE 0xF5
-
-#define STLINK_DEV_DFU_MODE 0x00
-#define STLINK_DEV_MASS_MODE 0x01
-#define STLINK_DEV_DEBUG_MODE 0x02
-#define STLINK_DEV_SWIM_MODE 0x03
-#define STLINK_DEV_UNKNOWN_MODE -1
-
-#define STLINK_DFU_EXIT 0x07
-
-#define STLINK_SWIM_ENTER 0x00
-#define STLINK_SWIM_EXIT 0x01
-
-#define STLINK_DEBUG_ENTER_JTAG 0x00
-#define STLINK_DEBUG_GETSTATUS 0x01
-#define STLINK_DEBUG_FORCEDEBUG 0x02
-#define STLINK_DEBUG_RESETSYS 0x03
-#define STLINK_DEBUG_READALLREGS 0x04
-#define STLINK_DEBUG_READREG 0x05
-#define STLINK_DEBUG_WRITEREG 0x06
-#define STLINK_DEBUG_READMEM_32BIT 0x07
-#define STLINK_DEBUG_WRITEMEM_32BIT 0x08
-#define STLINK_DEBUG_RUNCORE 0x09
-#define STLINK_DEBUG_STEPCORE 0x0a
-#define STLINK_DEBUG_SETFP 0x0b
-#define STLINK_DEBUG_READMEM_8BIT 0x0c
-#define STLINK_DEBUG_WRITEMEM_8BIT 0x0d
-#define STLINK_DEBUG_CLEARFP 0x0e
-#define STLINK_DEBUG_WRITEDEBUGREG 0x0f
-
-#define STLINK_DEBUG_ENTER_JTAG 0x00
-#define STLINK_DEBUG_ENTER_SWD 0xa3
-
-#define STLINK_DEBUG_ENTER 0x20
-#define STLINK_DEBUG_EXIT 0x21
-#define STLINK_DEBUG_READCOREID 0x22
+#define STLINK_DEBUG_ERR_OK 0x80
+#define STLINK_DEBUG_ERR_FAULT 0x81
+#define STLINK_CORE_RUNNING 0x80
+#define STLINK_CORE_HALTED 0x81
+#define STLINK_CORE_STAT_UNKNOWN -1
+
+#define STLINK_GET_VERSION 0xF1
+#define STLINK_DEBUG_COMMAND 0xF2
+#define STLINK_DFU_COMMAND 0xF3
+#define STLINK_SWIM_COMMAND 0xF4
+#define STLINK_GET_CURRENT_MODE 0xF5
+
+#define STLINK_DEV_DFU_MODE 0x00
+#define STLINK_DEV_MASS_MODE 0x01
+#define STLINK_DEV_DEBUG_MODE 0x02
+#define STLINK_DEV_SWIM_MODE 0x03
+#define STLINK_DEV_BOOTLOADER_MODE 0x04
+#define STLINK_DEV_UNKNOWN_MODE -1
+
+#define STLINK_DFU_EXIT 0x07
+
+#define STLINK_SWIM_ENTER 0x00
+#define STLINK_SWIM_EXIT 0x01
+
+#define STLINK_DEBUG_ENTER_JTAG 0x00
+#define STLINK_DEBUG_GETSTATUS 0x01
+#define STLINK_DEBUG_FORCEDEBUG 0x02
+#define STLINK_DEBUG_APIV1_RESETSYS 0x03
+#define STLINK_DEBUG_APIV1_READALLREGS 0x04
+#define STLINK_DEBUG_APIV1_READREG 0x05
+#define STLINK_DEBUG_APIV1_WRITEREG 0x06
+#define STLINK_DEBUG_READMEM_32BIT 0x07
+#define STLINK_DEBUG_WRITEMEM_32BIT 0x08
+#define STLINK_DEBUG_RUNCORE 0x09
+#define STLINK_DEBUG_STEPCORE 0x0a
+#define STLINK_DEBUG_APIV1_SETFP 0x0b
+#define STLINK_DEBUG_READMEM_8BIT 0x0c
+#define STLINK_DEBUG_WRITEMEM_8BIT 0x0d
+#define STLINK_DEBUG_APIV1_CLEARFP 0x0e
+#define STLINK_DEBUG_APIV1_WRITEDEBUGREG 0x0f
+#define STLINK_DEBUG_APIV1_SETWATCHPOINT 0x10
+
+#define STLINK_DEBUG_ENTER_JTAG 0x00
+#define STLINK_DEBUG_ENTER_SWD 0xa3
+
+#define STLINK_DEBUG_APIV1_ENTER 0x20
+#define STLINK_DEBUG_EXIT 0x21
+#define STLINK_DEBUG_READCOREID 0x22
+
+#define STLINK_DEBUG_APIV2_ENTER 0x30
+#define STLINK_DEBUG_APIV2_READ_IDCODES 0x31
+#define STLINK_DEBUG_APIV2_RESETSYS 0x32
+#define STLINK_DEBUG_APIV2_READREG 0x33
+#define STLINK_DEBUG_APIV2_WRITEREG 0x34
+
+#define STLINK_DEBUG_APIV2_READALLREGS 0x3A
+
+#define STLINK_DEBUG_APIV2_DRIVE_NRST 0x3C
+
+#define STLINK_DEBUG_APIV2_DRIVE_NRST_LOW 0x00
+#define STLINK_DEBUG_APIV2_DRIVE_NRST_HIGH 0x01
+#define STLINK_DEBUG_APIV2_DRIVE_NRST_PULSE 0x02
/** */
enum stlink_mode {
STLINK_MODE_DEBUG_SWIM
};
+#define REQUEST_SENSE 0x03
+#define REQUEST_SENSE_LENGTH 18
+
+static void stlink_usb_init_buffer(void *handle, uint8_t direction, uint32_t size);
+
/** */
-static int stlink_usb_recv(void *handle, const uint8_t *txbuf, int txsize, uint8_t *rxbuf,
- int rxsize)
+static int stlink_usb_xfer_v1_get_status(void *handle)
{
struct stlink_usb_handle_s *h;
h = (struct stlink_usb_handle_s *)handle;
- if (jtag_libusb_bulk_write(h->fd, STLINK_TX_EP, (char *)txbuf, txsize,
- 1000) != txsize) {
+ /* read status */
+ memset(h->cmdbuf, 0, STLINK_SG_SIZE);
+
+ if (jtag_libusb_bulk_read(h->fd, STLINK_RX_EP, (char *)h->cmdbuf,
+ 13, 1000) != 13)
+ return ERROR_FAIL;
+
+ uint32_t t1;
+
+ t1 = buf_get_u32(h->cmdbuf, 0, 32);
+
+ /* check for USBS */
+ if (t1 != 0x53425355)
+ return ERROR_FAIL;
+ /*
+ * CSW status:
+ * 0 success
+ * 1 command failure
+ * 2 phase error
+ */
+ if (h->cmdbuf[12] != 0)
+ return ERROR_FAIL;
+
+ return ERROR_OK;
+}
+
+/** */
+static int stlink_usb_xfer_rw(void *handle, int cmdsize, const uint8_t *buf, int size)
+{
+ struct stlink_usb_handle_s *h;
+
+ assert(handle != NULL);
+
+ h = (struct stlink_usb_handle_s *)handle;
+
+ if (jtag_libusb_bulk_write(h->fd, STLINK_TX_EP, (char *)h->cmdbuf, cmdsize,
+ 1000) != cmdsize) {
return ERROR_FAIL;
}
- if (rxsize && rxbuf) {
- if (jtag_libusb_bulk_read(h->fd, STLINK_RX_EP, (char *)rxbuf,
- rxsize, 1000) != rxsize) {
+
+ if (h->direction == STLINK_TX_EP && size) {
+ if (jtag_libusb_bulk_write(h->fd, STLINK_TX_EP, (char *)buf,
+ size, 1000) != size) {
+ LOG_DEBUG("bulk write failed");
+ return ERROR_FAIL;
+ }
+ } else if (h->direction == STLINK_RX_EP && size) {
+ if (jtag_libusb_bulk_read(h->fd, STLINK_RX_EP, (char *)buf,
+ size, 1000) != size) {
+ LOG_DEBUG("bulk read failed");
return ERROR_FAIL;
}
}
+
return ERROR_OK;
}
/** */
-static void stlink_usb_init_buffer(void *handle)
+static int stlink_usb_xfer_v1_get_sense(void *handle)
{
+ int res;
struct stlink_usb_handle_s *h;
assert(handle != NULL);
h = (struct stlink_usb_handle_s *)handle;
- memset(h->txbuf, 0, STLINK_CMD_SIZE);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 16);
+
+ h->cmdbuf[h->cmdidx++] = REQUEST_SENSE;
+ h->cmdbuf[h->cmdidx++] = 0;
+ h->cmdbuf[h->cmdidx++] = 0;
+ h->cmdbuf[h->cmdidx++] = 0;
+ h->cmdbuf[h->cmdidx++] = REQUEST_SENSE_LENGTH;
+
+ res = stlink_usb_xfer_rw(handle, REQUEST_SENSE_LENGTH, h->databuf, 16);
+
+ if (res != ERROR_OK)
+ return res;
+
+ if (stlink_usb_xfer_v1_get_status(handle) != ERROR_OK)
+ return ERROR_FAIL;
+
+ return ERROR_OK;
+}
+
+/** */
+static int stlink_usb_xfer(void *handle, const uint8_t *buf, int size)
+{
+ int err, cmdsize = STLINK_CMD_SIZE_V2;
+ struct stlink_usb_handle_s *h;
+
+ assert(handle != NULL);
+
+ h = (struct stlink_usb_handle_s *)handle;
+
+ if (h->version.stlink == 1)
+ cmdsize = STLINK_SG_SIZE;
+
+ err = stlink_usb_xfer_rw(handle, cmdsize, buf, size);
+
+ if (err != ERROR_OK)
+ return err;
+
+ if (h->version.stlink == 1) {
+ if (stlink_usb_xfer_v1_get_status(handle) != ERROR_OK) {
+ /* check csw status */
+ if (h->cmdbuf[12] == 1) {
+ LOG_DEBUG("get sense");
+ if (stlink_usb_xfer_v1_get_sense(handle) != ERROR_OK)
+ return ERROR_FAIL;
+ }
+ return ERROR_FAIL;
+ }
+ }
+
+ return ERROR_OK;
+}
+
+/** */
+static void stlink_usb_xfer_v1_create_cmd(void *handle, uint8_t direction, uint32_t size)
+{
+ struct stlink_usb_handle_s *h;
+
+ h = (struct stlink_usb_handle_s *)handle;
+
+ /* fill the send buffer */
+ strcpy((char *)h->cmdbuf, "USBC");
+ h->cmdidx += 4;
+ /* csw tag not used */
+ h->cmdidx += 4;
+ buf_set_u32(h->cmdbuf+h->cmdidx, 0, 32, size);
+ h->cmdidx += 4;
+ h->cmdbuf[h->cmdidx++] = (direction == STLINK_RX_EP ? ENDPOINT_IN : ENDPOINT_OUT);
+ h->cmdbuf[h->cmdidx++] = 0; /* lun */
+ h->cmdbuf[h->cmdidx++] = STLINK_CMD_SIZE_V1;
+}
+
+/** */
+static void stlink_usb_init_buffer(void *handle, uint8_t direction, uint32_t size)
+{
+ struct stlink_usb_handle_s *h;
+
+ h = (struct stlink_usb_handle_s *)handle;
+
+ h->direction = direction;
+
+ h->cmdidx = 0;
+
+ memset(h->cmdbuf, 0, STLINK_SG_SIZE);
+ memset(h->databuf, 0, STLINK_DATA_SIZE);
+
+ if (h->version.stlink == 1)
+ stlink_usb_xfer_v1_create_cmd(handle, direction, size);
+}
+
+static const char * const stlink_usb_error_msg[] = {
+ "unknown"
+};
+
+/** */
+static int stlink_usb_error_check(void *handle)
+{
+ int res;
+ const char *err_msg = 0;
+ struct stlink_usb_handle_s *h;
+
+ assert(handle != NULL);
+
+ h = (struct stlink_usb_handle_s *)handle;
+
+ /* TODO: no error checking yet on api V1 */
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->databuf[0] = STLINK_DEBUG_ERR_OK;
+
+ switch (h->databuf[0]) {
+ case STLINK_DEBUG_ERR_OK:
+ res = ERROR_OK;
+ break;
+ case STLINK_DEBUG_ERR_FAULT:
+ default:
+ err_msg = stlink_usb_error_msg[0];
+ res = ERROR_FAIL;
+ break;
+ }
+
+ if (res != ERROR_OK)
+ LOG_DEBUG("status error: %d ('%s')", h->databuf[0], err_msg);
+
+ return res;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 6);
- h->txbuf[0] = STLINK_GET_VERSION;
+ h->cmdbuf[h->cmdidx++] = STLINK_GET_VERSION;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 6);
+ res = stlink_usb_xfer(handle, h->databuf, 6);
if (res != ERROR_OK)
return res;
- v = (h->rxbuf[0] << 8) | h->rxbuf[1];
+ v = (h->databuf[0] << 8) | h->databuf[1];
h->version.stlink = (v >> 12) & 0x0f;
h->version.jtag = (v >> 6) & 0x3f;
h->version.swim = v & 0x3f;
- h->vid = buf_get_u32(h->rxbuf, 16, 16);
- h->pid = buf_get_u32(h->rxbuf, 32, 16);
-
- LOG_DEBUG("STLINK v%d JTAG v%d SWIM v%d VID %04X PID %04X",
+ h->vid = buf_get_u32(h->databuf, 16, 16);
+ h->pid = buf_get_u32(h->databuf, 32, 16);
+
+ /* set the supported jtag api version
+ * V1 doesn't support API V2 at all
+ * V2 support API V2 since JTAG V13
+ */
+ if ((h->version.stlink == 2) && (h->version.jtag > 12))
+ h->version.jtag_api_max = STLINK_JTAG_API_V2;
+ 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",
h->version.stlink,
h->version.jtag,
+ (h->version.jtag_api_max == STLINK_JTAG_API_V1) ? 1 : 2,
h->version.swim,
h->vid,
h->pid);
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
- h->txbuf[0] = STLINK_GET_CURRENT_MODE;
+ h->cmdbuf[h->cmdidx++] = STLINK_GET_CURRENT_MODE;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return res;
- *mode = h->rxbuf[0];
+ *mode = h->databuf[0];
return ERROR_OK;
}
static int stlink_usb_mode_enter(void *handle, enum stlink_mode type)
{
int res;
+ int rx_size = 0;
struct stlink_usb_handle_s *h;
assert(handle != NULL);
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ /* on api V2 we are able the read the latest command
+ * status
+ * TODO: we need the test on api V1 too
+ */
+ if (h->jtag_api == STLINK_JTAG_API_V2)
+ rx_size = 2;
+
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, rx_size);
switch (type) {
case STLINK_MODE_DEBUG_JTAG:
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_ENTER;
- h->txbuf[2] = STLINK_DEBUG_ENTER_JTAG;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV1_ENTER;
+ else
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_ENTER;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_ENTER_JTAG;
break;
case STLINK_MODE_DEBUG_SWD:
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_ENTER;
- h->txbuf[2] = STLINK_DEBUG_ENTER_SWD;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV1_ENTER;
+ else
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_ENTER;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_ENTER_SWD;
break;
case STLINK_MODE_DEBUG_SWIM:
- h->txbuf[0] = STLINK_SWIM_COMMAND;
- h->txbuf[1] = STLINK_SWIM_ENTER;
+ h->cmdbuf[h->cmdidx++] = STLINK_SWIM_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_SWIM_ENTER;
break;
case STLINK_MODE_DFU:
case STLINK_MODE_MASS:
return ERROR_FAIL;
}
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, 0, 0);
+ res = stlink_usb_xfer(handle, h->databuf, rx_size);
+
if (res != ERROR_OK)
return res;
- return ERROR_OK;
+ res = stlink_usb_error_check(h);
+
+ return res;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_NULL_EP, 0);
switch (type) {
case STLINK_MODE_DEBUG_JTAG:
case STLINK_MODE_DEBUG_SWD:
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_EXIT;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_EXIT;
break;
case STLINK_MODE_DEBUG_SWIM:
- h->txbuf[0] = STLINK_SWIM_COMMAND;
- h->txbuf[1] = STLINK_SWIM_EXIT;
+ h->cmdbuf[h->cmdidx++] = STLINK_SWIM_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_SWIM_EXIT;
break;
case STLINK_MODE_DFU:
- h->txbuf[0] = STLINK_DFU_COMMAND;
- h->txbuf[1] = STLINK_DFU_EXIT;
+ h->cmdbuf[h->cmdidx++] = STLINK_DFU_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DFU_EXIT;
break;
case STLINK_MODE_MASS:
default:
return ERROR_FAIL;
}
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, 0, 0);
+ res = stlink_usb_xfer(handle, 0, 0);
+
if (res != ERROR_OK)
return res;
if (res != ERROR_OK)
return res;
- LOG_DEBUG("MODE: %02X", mode);
+ LOG_DEBUG("MODE: 0x%02X", mode);
/* try to exit current mode */
switch (mode) {
case STLINK_DEV_SWIM_MODE:
emode = STLINK_MODE_DEBUG_SWIM;
break;
+ case STLINK_DEV_BOOTLOADER_MODE:
+ case STLINK_DEV_MASS_MODE:
default:
emode = STLINK_MODE_UNKNOWN;
break;
if (res != ERROR_OK)
return res;
- LOG_DEBUG("MODE: %02X", mode);
+ LOG_DEBUG("MODE: 0x%02X", mode);
/* set selected mode */
switch (h->transport) {
emode = STLINK_MODE_DEBUG_JTAG;
break;
case STLINK_TRANSPORT_SWIM:
+ emode = STLINK_MODE_DEBUG_SWIM;
+ break;
default:
emode = STLINK_MODE_UNKNOWN;
break;
if (res != ERROR_OK)
return res;
- LOG_DEBUG("MODE: %02X", mode);
+ LOG_DEBUG("MODE: 0x%02X", mode);
return ERROR_OK;
}
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 4);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_READCOREID;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_READCOREID;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 4);
+ res = stlink_usb_xfer(handle, h->databuf, 4);
if (res != ERROR_OK)
return res;
- *idcode = le_to_h_u32(h->rxbuf);
+ *idcode = le_to_h_u32(h->databuf);
- LOG_DEBUG("IDCODE: %08X", *idcode);
+ LOG_DEBUG("IDCODE: 0x%08X", *idcode);
return ERROR_OK;
}
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ if (h->jtag_api == STLINK_JTAG_API_V2)
+ return TARGET_UNKNOWN;
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_GETSTATUS;
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_GETSTATUS;
+
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return TARGET_UNKNOWN;
- if (h->rxbuf[0] == STLINK_CORE_RUNNING)
+ if (h->databuf[0] == STLINK_CORE_RUNNING)
return TARGET_RUNNING;
- if (h->rxbuf[0] == STLINK_CORE_HALTED)
+ if (h->databuf[0] == STLINK_CORE_HALTED)
return TARGET_HALTED;
return TARGET_UNKNOWN;
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
+
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_RESETSYS;
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV1_RESETSYS;
+ else
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_RESETSYS;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return res;
- LOG_DEBUG("RESET: %08X", h->rxbuf[0]);
+ LOG_DEBUG("RESET: 0x%08X", h->databuf[0]);
- return ERROR_OK;
+ return h->databuf[0] == STLINK_DEBUG_ERR_OK ? ERROR_OK : ERROR_FAIL;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ if (h->jtag_api == STLINK_JTAG_API_V2)
+ return ERROR_FAIL;
+
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_RUNCORE;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_RUNCORE;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return res;
- return ERROR_OK;
+ return h->databuf[0] == STLINK_DEBUG_ERR_OK ? ERROR_OK : ERROR_FAIL;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ if (h->jtag_api == STLINK_JTAG_API_V2)
+ return ERROR_FAIL;
+
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_FORCEDEBUG;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_FORCEDEBUG;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return res;
- return ERROR_OK;
+ return h->databuf[0] == STLINK_DEBUG_ERR_OK ? ERROR_OK : ERROR_FAIL;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ if (h->jtag_api == STLINK_JTAG_API_V2)
+ return ERROR_FAIL;
+
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_STEPCORE;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_STEPCORE;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return res;
- return ERROR_OK;
+ return h->databuf[0] == STLINK_DEBUG_ERR_OK ? ERROR_OK : ERROR_FAIL;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 84);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_READALLREGS;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV1_READALLREGS;
+ else
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_READALLREGS;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 84);
+ res = stlink_usb_xfer(handle, h->databuf, 84);
if (res != ERROR_OK)
return res;
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 4);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_READREG;
- h->txbuf[2] = num;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV1_READREG;
+ else
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_READREG;
+ h->cmdbuf[h->cmdidx++] = num;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 4);
+ res = stlink_usb_xfer(handle, h->databuf, 4);
if (res != ERROR_OK)
return res;
- *val = le_to_h_u32(h->rxbuf);
+ *val = le_to_h_u32(h->databuf);
return ERROR_OK;
}
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_WRITEREG;
- h->txbuf[2] = num;
- h_u32_to_le(h->txbuf + 3, val);
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ if (h->jtag_api == STLINK_JTAG_API_V1)
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV1_WRITEREG;
+ else
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_WRITEREG;
+ h->cmdbuf[h->cmdidx++] = num;
+ h_u32_to_le(h->cmdbuf+h->cmdidx, val);
+ h->cmdidx += 4;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, 2);
+ res = stlink_usb_xfer(handle, h->databuf, 2);
if (res != ERROR_OK)
return res;
- return ERROR_OK;
+ return h->databuf[0] == STLINK_DEBUG_ERR_OK ? ERROR_OK : ERROR_FAIL;
}
/** */
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, read_len);
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_READMEM_8BIT;
- h_u32_to_le(h->txbuf + 2, addr);
- h_u16_to_le(h->txbuf + 2 + 4, len);
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_READMEM_8BIT;
+ h_u32_to_le(h->cmdbuf+h->cmdidx, addr);
+ h->cmdidx += 4;
+ h_u16_to_le(h->cmdbuf+h->cmdidx, len);
+ h->cmdidx += 2;
/* we need to fix read length for single bytes */
if (read_len == 1)
read_len++;
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, read_len);
+ res = stlink_usb_xfer(handle, h->databuf, read_len);
if (res != ERROR_OK)
return res;
- memcpy(buffer, h->rxbuf, len);
+ memcpy(buffer, h->databuf, len);
return ERROR_OK;
}
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
-
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_WRITEMEM_8BIT;
- h_u32_to_le(h->txbuf + 2, addr);
- h_u16_to_le(h->txbuf + 2 + 4, len);
+ stlink_usb_init_buffer(handle, STLINK_TX_EP, len);
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, 0, 0);
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_WRITEMEM_8BIT;
+ h_u32_to_le(h->cmdbuf+h->cmdidx, addr);
+ h->cmdidx += 4;
+ h_u16_to_le(h->cmdbuf+h->cmdidx, len);
+ h->cmdidx += 2;
- if (res != ERROR_OK)
- return res;
-
- res = stlink_usb_recv(handle, (uint8_t *) buffer, len, 0, 0);
+ res = stlink_usb_xfer(handle, buffer, len);
if (res != ERROR_OK)
return res;
/** */
static int stlink_usb_read_mem32(void *handle, uint32_t addr, uint16_t len,
- uint32_t *buffer)
+ uint8_t *buffer)
{
int res;
struct stlink_usb_handle_s *h;
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
-
len *= 4;
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_READMEM_32BIT;
- h_u32_to_le(h->txbuf + 2, addr);
- h_u16_to_le(h->txbuf + 2 + 4, len);
+ stlink_usb_init_buffer(handle, STLINK_RX_EP, len);
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, h->rxbuf, len);
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_READMEM_32BIT;
+ h_u32_to_le(h->cmdbuf+h->cmdidx, addr);
+ h->cmdidx += 4;
+ h_u16_to_le(h->cmdbuf+h->cmdidx, len);
+ h->cmdidx += 2;
+
+ res = stlink_usb_xfer(handle, h->databuf, len);
if (res != ERROR_OK)
return res;
- memcpy(buffer, h->rxbuf, len);
+ memcpy(buffer, h->databuf, len);
return ERROR_OK;
}
/** */
static int stlink_usb_write_mem32(void *handle, uint32_t addr, uint16_t len,
- const uint32_t *buffer)
+ const uint8_t *buffer)
{
int res;
struct stlink_usb_handle_s *h;
h = (struct stlink_usb_handle_s *)handle;
- stlink_usb_init_buffer(handle);
-
len *= 4;
- h->txbuf[0] = STLINK_DEBUG_COMMAND;
- h->txbuf[1] = STLINK_DEBUG_WRITEMEM_32BIT;
- h_u32_to_le(h->txbuf + 2, addr);
- h_u16_to_le(h->txbuf + 2 + 4, len);
+ stlink_usb_init_buffer(handle, STLINK_TX_EP, len);
- res = stlink_usb_recv(handle, h->txbuf, STLINK_CMD_SIZE, 0, 0);
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
+ h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_WRITEMEM_32BIT;
+ h_u32_to_le(h->cmdbuf+h->cmdidx, addr);
+ h->cmdidx += 4;
+ h_u16_to_le(h->cmdbuf+h->cmdidx, len);
+ h->cmdidx += 2;
- if (res != ERROR_OK)
- return res;
-
- res = stlink_usb_recv(handle, (uint8_t *) buffer, len, 0, 0);
+ res = stlink_usb_xfer(handle, buffer, len);
if (res != ERROR_OK)
return res;
const uint16_t vids[] = { param->vid, 0 };
const uint16_t pids[] = { param->pid, 0 };
- LOG_DEBUG("vid: %04x pid: %04x", param->vid,
- param->pid);
+ LOG_DEBUG("transport: %d vid: 0x%04x pid: 0x%04x", param->transport,
+ param->vid, param->pid);
if (jtag_libusb_open(vids, pids, &h->fd) != ERROR_OK) {
LOG_ERROR("open failed");
return ERROR_FAIL;
}
+ /* wrap version for first read */
+ switch (param->pid) {
+ case 0x3744:
+ h->version.stlink = 1;
+ break;
+ default:
+ h->version.stlink = 2;
+ break;
+ }
+
/* get the device version */
err = stlink_usb_version(h);
/* compare usb vid/pid */
if ((param->vid != h->vid) || (param->pid != h->pid))
- LOG_INFO("vid/pid are not identical: %04X/%04X %04X/%04X",
+ LOG_INFO("vid/pid are not identical: 0x%04X/0x%04X 0x%04X/0x%04X",
param->vid, param->pid,
h->vid, h->pid);
return err;
}
+ /* set the used jtag api */
+ h->jtag_api = STLINK_JTAG_API_V1;
+
+ /* initialize the debug hardware */
err = stlink_usb_init_mode(h);
if (err != ERROR_OK) {
projects / fw / openocd / blobdiff