#include "interface.h"
#include "commands.h"
#include <usb.h>
+#include "usb_common.h"
#define USB_VID 0x15ba
static uint8_t usb_in_buffer[ARMJTAGEW_IN_BUFFER_SIZE];
static uint8_t usb_out_buffer[ARMJTAGEW_OUT_BUFFER_SIZE];
-/* External interface functions */
-static int armjtagew_execute_queue(void);
-static int armjtagew_speed(int speed);
-static int armjtagew_khz(int khz, int *jtag_speed);
-static int armjtagew_register_commands(struct command_context_s *cmd_ctx);
-static int armjtagew_init(void);
-static int armjtagew_quit(void);
-
-/* CLI command handler functions */
-static int armjtagew_handle_armjtagew_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
/* Queue command functions */
static void armjtagew_end_state(tap_state_t state);
static void armjtagew_state_move(void);
static void armjtagew_path_move(int num_states, tap_state_t *path);
static void armjtagew_runtest(int num_cycles);
-static void armjtagew_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size, scan_command_t *command);
+static void armjtagew_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size, struct scan_command *command);
static void armjtagew_reset(int trst, int srst);
//static void armjtagew_simple_command(uint8_t command);
static int armjtagew_get_status(void);
static int armjtagew_tap_execute(void);
static void armjtagew_tap_ensure_space(int scans, int bits);
static void armjtagew_tap_append_step(int tms, int tdi);
-static void armjtagew_tap_append_scan(int length, uint8_t *buffer, scan_command_t *command);
+static void armjtagew_tap_append_scan(int length, uint8_t *buffer, struct scan_command *command);
/* ARM-JTAG-EW lowlevel functions */
-typedef struct armjtagew_jtag
-{
+struct armjtagew {
struct usb_dev_handle* usb_handle;
-} armjtagew_jtag_t;
+};
-static armjtagew_jtag_t *armjtagew_usb_open(void);
-static void armjtagew_usb_close(armjtagew_jtag_t *armjtagew_jtag);
-static int armjtagew_usb_message(armjtagew_jtag_t *armjtagew_jtag, int out_length, int in_length);
-static int armjtagew_usb_write(armjtagew_jtag_t *armjtagew_jtag, int out_length);
-static int armjtagew_usb_read(armjtagew_jtag_t *armjtagew_jtag, int exp_in_length);
+static struct armjtagew *armjtagew_usb_open(void);
+static void armjtagew_usb_close(struct armjtagew *armjtagew);
+static int armjtagew_usb_message(struct armjtagew *armjtagew, int out_length, int in_length);
+static int armjtagew_usb_write(struct armjtagew *armjtagew, int out_length);
+static int armjtagew_usb_read(struct armjtagew *armjtagew, int exp_in_length);
/* helper functions */
static int armjtagew_get_version_info(void);
static void armjtagew_debug_buffer(uint8_t *buffer, int length);
#endif
-static armjtagew_jtag_t* armjtagew_jtag_handle;
+static struct armjtagew* armjtagew_handle;
/***************************************************************************/
/* External interface implementation */
-struct jtag_interface armjtagew_interface =
-{
- .name = "arm-jtag-ew",
- .execute_queue = armjtagew_execute_queue,
- .speed = armjtagew_speed,
- .khz = armjtagew_khz,
- .register_commands = armjtagew_register_commands,
- .init = armjtagew_init,
- .quit = armjtagew_quit
-};
-
-
static int armjtagew_execute_queue(void)
{
- jtag_command_t *cmd = jtag_command_queue;
+ struct jtag_command *cmd = jtag_command_queue;
int scan_size;
enum scan_type type;
uint8_t *buffer;
usb_out_buffer[0] = CMD_SET_TCK_FREQUENCY;
buf_set_u32(usb_out_buffer + 1, 0, 32, speed);
- result = armjtagew_usb_message(armjtagew_jtag_handle, 4, 4);
+ result = armjtagew_usb_message(armjtagew_handle, 4, 4);
if (result < 0)
{
}
usb_out_buffer[0] = CMD_GET_TCK_FREQUENCY;
- result = armjtagew_usb_message(armjtagew_jtag_handle, 1, 4);
+ result = armjtagew_usb_message(armjtagew_handle, 1, 4);
speed_real = (int)buf_get_u32(usb_in_buffer,0,32);
if (result < 0)
{
return ERROR_OK;
}
-static int armjtagew_register_commands(struct command_context_s *cmd_ctx)
-{
- register_command(cmd_ctx, NULL, "armjtagew_info", armjtagew_handle_armjtagew_info_command, COMMAND_EXEC,
- "query armjtagew info");
- return ERROR_OK;
-}
-
static int armjtagew_init(void)
{
int check_cnt;
- armjtagew_jtag_handle = armjtagew_usb_open();
+ armjtagew_handle = armjtagew_usb_open();
- if (armjtagew_jtag_handle == 0)
+ if (armjtagew_handle == 0)
{
LOG_ERROR("Cannot find ARM-JTAG-EW Interface! Please check connection and permissions.");
return ERROR_JTAG_INIT_FAILED;
static int armjtagew_quit(void)
{
- armjtagew_usb_close(armjtagew_jtag_handle);
+ armjtagew_usb_close(armjtagew_handle);
return ERROR_OK;
}
}
}
-static void armjtagew_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size, scan_command_t *command)
+static void armjtagew_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size, struct scan_command *command)
{
tap_state_t saved_end_state;
usb_out_buffer[1] = val;
usb_out_buffer[2] = outp_en;
usb_out_buffer[3] = change_mask;
- result = armjtagew_usb_write(armjtagew_jtag_handle, 4);
+ result = armjtagew_usb_write(armjtagew_handle, 4);
if (result != 4)
{
LOG_ERROR("ARM-JTAG-EW TRST/SRST pin set failed failed (%d)", result);
int result;
usb_out_buffer[0] = CMD_GET_TAPHW_STATE;
- result = armjtagew_usb_message(armjtagew_jtag_handle, 1, 12);
+ result = armjtagew_usb_message(armjtagew_handle, 1, 12);
if (result == 0)
{
/* query hardware version */
usb_out_buffer[0] = CMD_GET_VERSION;
- result = armjtagew_usb_message(armjtagew_jtag_handle, 1, 4 + 15 + 256);
+ result = armjtagew_usb_message(armjtagew_handle, 1, 4 + 15 + 256);
if (result != 0)
{
return ERROR_OK;
}
-static int armjtagew_handle_armjtagew_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(armjtagew_handle_armjtagew_info_command)
{
if (armjtagew_get_version_info() == ERROR_OK)
{
return ERROR_OK;
}
+static int armjtagew_register_commands(struct command_context *cmd_ctx)
+{
+ COMMAND_REGISTER(cmd_ctx, NULL, "armjtagew_info",
+ &armjtagew_handle_armjtagew_info_command, COMMAND_EXEC,
+ "query armjtagew info");
+ return ERROR_OK;
+}
+
+struct jtag_interface armjtagew_interface = {
+ .name = "arm-jtag-ew",
+ .execute_queue = &armjtagew_execute_queue,
+ .speed = &armjtagew_speed,
+ .khz = &armjtagew_khz,
+ .register_commands = &armjtagew_register_commands,
+ .init = &armjtagew_init,
+ .quit = &armjtagew_quit,
+ };
+
/***************************************************************************/
/* ARM-JTAG-EW tap functions */
static uint8_t tdi_buffer[ARMJTAGEW_TAP_BUFFER_SIZE];
static uint8_t tdo_buffer[ARMJTAGEW_TAP_BUFFER_SIZE];
-typedef struct
-{
+struct pending_scan_result {
int first; /* First bit position in tdo_buffer to read */
int length; /* Number of bits to read */
- scan_command_t *command; /* Corresponding scan command */
+ struct scan_command *command; /* Corresponding scan command */
uint8_t *buffer;
-} pending_scan_result_t;
+};
#define MAX_PENDING_SCAN_RESULTS 256
static int pending_scan_results_length;
-static pending_scan_result_t pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];
+static struct pending_scan_result pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];
static int last_tms;
}
}
-void armjtagew_tap_append_scan(int length, uint8_t *buffer, scan_command_t *command)
+void armjtagew_tap_append_scan(int length, uint8_t *buffer, struct scan_command *command)
{
- pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[pending_scan_results_length];
+ struct pending_scan_result *pending_scan_result = &pending_scan_results_buffer[pending_scan_results_length];
int i;
pending_scan_result->first = tap_length;
usb_out_buffer[tdi_offset + i] = flip_u32(tdi_buffer[i],8);
}
- result = armjtagew_usb_message(armjtagew_jtag_handle, 3 + 2 * byte_length, byte_length + 4);
+ result = armjtagew_usb_message(armjtagew_handle, 3 + 2 * byte_length, byte_length + 4);
if (result == 0)
{
for (i = 0; i < pending_scan_results_length; i++)
{
- pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[i];
+ struct pending_scan_result *pending_scan_result = &pending_scan_results_buffer[i];
uint8_t *buffer = pending_scan_result->buffer;
int length = pending_scan_result->length;
int first = pending_scan_result->first;
- scan_command_t *command = pending_scan_result->command;
+ struct scan_command *command = pending_scan_result->command;
/* Copy to buffer */
buf_set_buf(tdo_buffer, first, buffer, 0, length);
/*****************************************************************************/
/* JLink USB low-level functions */
-static armjtagew_jtag_t* armjtagew_usb_open()
+static struct armjtagew* armjtagew_usb_open()
{
- struct usb_bus *busses;
- struct usb_bus *bus;
- struct usb_device *dev;
-
- armjtagew_jtag_t *result;
-
- result = (armjtagew_jtag_t*) malloc(sizeof(armjtagew_jtag_t));
-
usb_init();
- usb_find_busses();
- usb_find_devices();
- busses = usb_get_busses();
+ const uint16_t vids[] = { USB_VID, 0 };
+ const uint16_t pids[] = { USB_PID, 0 };
+ struct usb_dev_handle *dev;
+ if (jtag_usb_open(vids, pids, &dev) != ERROR_OK)
+ return NULL;
- /* find armjtagew_jtag device in usb bus */
-
- for (bus = busses; bus; bus = bus->next)
- {
- for (dev = bus->devices; dev; dev = dev->next)
- {
- if ((dev->descriptor.idVendor == USB_VID) && (dev->descriptor.idProduct == USB_PID))
- {
- result->usb_handle = usb_open(dev);
+ struct armjtagew *result = malloc(sizeof(struct armjtagew));
+ result->usb_handle = dev;
#if 0
- /* usb_set_configuration required under win32 */
- usb_set_configuration(result->usb_handle, dev->config[0].bConfigurationValue);
+ /* usb_set_configuration required under win32 */
+ usb_set_configuration(dev, dev->config[0].bConfigurationValue);
#endif
- usb_claim_interface(result->usb_handle, 0);
-
+ usb_claim_interface(dev, 0);
#if 0
- /*
- * This makes problems under Mac OS X. And is not needed
- * under Windows. Hopefully this will not break a linux build
- */
- usb_set_altinterface(result->usb_handle, 0);
+ /*
+ * This makes problems under Mac OS X. And is not needed
+ * under Windows. Hopefully this will not break a linux build
+ */
+ usb_set_altinterface(dev, 0);
#endif
- return result;
- }
- }
- }
-
- free(result);
- return NULL;
+ return result;
}
-static void armjtagew_usb_close(armjtagew_jtag_t *armjtagew_jtag)
+static void armjtagew_usb_close(struct armjtagew *armjtagew)
{
- usb_close(armjtagew_jtag->usb_handle);
- free(armjtagew_jtag);
+ usb_close(armjtagew->usb_handle);
+ free(armjtagew);
}
/* Send a message and receive the reply. */
-static int armjtagew_usb_message(armjtagew_jtag_t *armjtagew_jtag, int out_length, int in_length)
+static int armjtagew_usb_message(struct armjtagew *armjtagew, int out_length, int in_length)
{
int result;
- result = armjtagew_usb_write(armjtagew_jtag, out_length);
+ result = armjtagew_usb_write(armjtagew, out_length);
if (result == out_length)
{
- result = armjtagew_usb_read(armjtagew_jtag, in_length);
+ result = armjtagew_usb_read(armjtagew, in_length);
if (result != in_length)
{
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", in_length, result);
}
/* Write data from out_buffer to USB. */
-static int armjtagew_usb_write(armjtagew_jtag_t *armjtagew_jtag, int out_length)
+static int armjtagew_usb_write(struct armjtagew *armjtagew, int out_length)
{
int result;
if (out_length > ARMJTAGEW_OUT_BUFFER_SIZE)
{
- LOG_ERROR("armjtagew_jtag_write illegal out_length=%d (max=%d)", out_length, ARMJTAGEW_OUT_BUFFER_SIZE);
+ LOG_ERROR("armjtagew_write illegal out_length=%d (max=%d)", out_length, ARMJTAGEW_OUT_BUFFER_SIZE);
return -1;
}
- result = usb_bulk_write(armjtagew_jtag->usb_handle, ARMJTAGEW_EPT_BULK_OUT, \
+ result = usb_bulk_write(armjtagew->usb_handle, ARMJTAGEW_EPT_BULK_OUT, \
(char*)usb_out_buffer, out_length, ARMJTAGEW_USB_TIMEOUT);
DEBUG_JTAG_IO("armjtagew_usb_write, out_length = %d, result = %d", out_length, result);
}
/* Read data from USB into in_buffer. */
-static int armjtagew_usb_read(armjtagew_jtag_t *armjtagew_jtag, int exp_in_length)
+static int armjtagew_usb_read(struct armjtagew *armjtagew, int exp_in_length)
{
- int result = usb_bulk_read(armjtagew_jtag->usb_handle, ARMJTAGEW_EPT_BULK_IN, \
+ int result = usb_bulk_read(armjtagew->usb_handle, ARMJTAGEW_EPT_BULK_IN, \
(char*)usb_in_buffer, exp_in_length, ARMJTAGEW_USB_TIMEOUT);
DEBUG_JTAG_IO("armjtagew_usb_read, result = %d", result);
projects / fw / openocd / blobdiff