diff options
-rw-r--r-- | src/jtag/arm-jtag-ew.c | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/src/jtag/arm-jtag-ew.c b/src/jtag/arm-jtag-ew.c index e3372606..531d6052 100644 --- a/src/jtag/arm-jtag-ew.c +++ b/src/jtag/arm-jtag-ew.c @@ -84,16 +84,15 @@ 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); /* 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); @@ -102,7 +101,7 @@ 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; @@ -209,7 +208,7 @@ static int armjtagew_speed(int speed) 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) { @@ -218,7 +217,7 @@ static int armjtagew_speed(int speed) } 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) { @@ -252,9 +251,9 @@ 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; @@ -288,7 +287,7 @@ static int armjtagew_init(void) static int armjtagew_quit(void) { - armjtagew_usb_close(armjtagew_jtag_handle); + armjtagew_usb_close(armjtagew_handle); return ERROR_OK; } @@ -452,7 +451,7 @@ static void armjtagew_reset(int trst, int srst) 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); @@ -465,7 +464,7 @@ static int armjtagew_get_status(void) 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) { @@ -500,7 +499,7 @@ static int armjtagew_get_version_info(void) /* 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) { @@ -665,7 +664,7 @@ static int armjtagew_tap_execute(void) 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) { @@ -726,15 +725,15 @@ static int armjtagew_tap_execute(void) /*****************************************************************************/ /* 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; + struct armjtagew *result; - result = (armjtagew_jtag_t*) malloc(sizeof(armjtagew_jtag_t)); + result = (struct armjtagew*) malloc(sizeof(struct armjtagew)); usb_init(); usb_find_busses(); @@ -742,7 +741,7 @@ static armjtagew_jtag_t* armjtagew_usb_open() busses = usb_get_busses(); - /* find armjtagew_jtag device in usb bus */ + /* find armjtagew device in usb bus */ for (bus = busses; bus; bus = bus->next) { @@ -774,21 +773,21 @@ static armjtagew_jtag_t* armjtagew_usb_open() return NULL; } -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); @@ -804,17 +803,17 @@ static int armjtagew_usb_message(armjtagew_jtag_t *armjtagew_jtag, int out_lengt } /* 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); @@ -826,9 +825,9 @@ static int armjtagew_usb_write(armjtagew_jtag_t *armjtagew_jtag, int out_length) } /* 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); |