X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fpresto.c;h=49caa679f9022036ff7e357aa7b105b63529f709;hp=0a18dc9c4c0c1ab676138c5bbf68aa2a5b743d2a;hb=bcaf775fc10d88d2c63c06bafada141895318b34;hpb=d0e763ac7ef6aa17b17bd00ccdfbccfb4eacda69 diff --git a/src/jtag/drivers/presto.c b/src/jtag/drivers/presto.c index 0a18dc9c4c..49caa679f9 100644 --- a/src/jtag/drivers/presto.c +++ b/src/jtag/drivers/presto.c @@ -34,14 +34,7 @@ #include "bitq.h" /* PRESTO access library includes */ -#if BUILD_PRESTO_FTD2XX == 1 -#include -#include "ftd2xx_common.h" -#elif BUILD_PRESTO_LIBFTDI == 1 #include -#else -#error "BUG: either FTD2XX and LIBFTDI has to be used" -#endif /* -------------------------------------------------------------------------- */ @@ -55,13 +48,8 @@ #define BUFFER_SIZE (64*62) struct presto { -#if BUILD_PRESTO_FTD2XX == 1 - FT_HANDLE handle; - FT_STATUS status; -#elif BUILD_PRESTO_LIBFTDI == 1 struct ftdi_context ftdic; int retval; -#endif char serial[FT_DEVICE_SERNUM_LEN]; @@ -95,15 +83,6 @@ static uint8_t presto_init_seq[] = { static int presto_write(uint8_t *buf, uint32_t size) { -#if BUILD_PRESTO_FTD2XX == 1 - DWORD ftbytes; - presto->status = FT_Write(presto->handle, buf, size, &ftbytes); - if (presto->status != FT_OK) { - LOG_ERROR("FT_Write returned: %s", ftd2xx_status_string(presto->status)); - return ERROR_JTAG_DEVICE_ERROR; - } - -#elif BUILD_PRESTO_LIBFTDI == 1 uint32_t ftbytes; presto->retval = ftdi_write_data(&presto->ftdic, buf, size); if (presto->retval < 0) { @@ -111,7 +90,6 @@ static int presto_write(uint8_t *buf, uint32_t size) return ERROR_JTAG_DEVICE_ERROR; } ftbytes = presto->retval; -#endif if (ftbytes != size) { LOG_ERROR("couldn't write the requested number of bytes to PRESTO (%u < %u)", @@ -124,15 +102,6 @@ static int presto_write(uint8_t *buf, uint32_t size) static int presto_read(uint8_t *buf, uint32_t size) { -#if BUILD_PRESTO_FTD2XX == 1 - DWORD ftbytes; - presto->status = FT_Read(presto->handle, buf, size, &ftbytes); - if (presto->status != FT_OK) { - LOG_ERROR("FT_Read returned: %s", ftd2xx_status_string(presto->status)); - return ERROR_JTAG_DEVICE_ERROR; - } - -#elif BUILD_PRESTO_LIBFTDI == 1 uint32_t ftbytes = 0; struct timeval timeout, now; @@ -152,7 +121,6 @@ static int presto_read(uint8_t *buf, uint32_t size) ((now.tv_sec == timeout.tv_sec) && (now.tv_usec > timeout.tv_usec))) break; } -#endif if (ftbytes != size) { /* this is just a warning, there might have been timeout when detecting PRESTO, @@ -165,150 +133,6 @@ static int presto_read(uint8_t *buf, uint32_t size) return ERROR_OK; } -#if BUILD_PRESTO_FTD2XX == 1 -static int presto_open_ftd2xx(char *req_serial) -{ - uint32_t i; - DWORD numdevs; - DWORD vidpid; - char devname[FT_DEVICE_NAME_LEN]; - FT_DEVICE device; - - BYTE presto_data; - DWORD ftbytes; - - presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; - -#if IS_WIN32 == 0 - /* Add non-standard Vid/Pid to the linux driver */ - presto->status = FT_SetVIDPID(PRESTO_VID, PRESTO_PID); - if (presto->status != FT_OK) { - LOG_ERROR("couldn't add PRESTO VID/PID"); - exit(-1); - } -#endif - - presto->status = FT_ListDevices(&numdevs, NULL, FT_LIST_NUMBER_ONLY); - if (presto->status != FT_OK) { - LOG_ERROR("FT_ListDevices failed: %s", ftd2xx_status_string(presto->status)); - return ERROR_JTAG_DEVICE_ERROR; - } - - LOG_DEBUG("FTDI devices available: %" PRIu32, (uint32_t)numdevs); - for (i = 0; i < numdevs; i++) { - presto->status = FT_Open(i, &(presto->handle)); - if (presto->status != FT_OK) { - /* this is not fatal, the device may be legitimately open by other process, - *hence debug message only */ - LOG_DEBUG("FT_Open failed: %s", ftd2xx_status_string(presto->status)); - continue; - } - LOG_DEBUG("FTDI device %i open", (int)i); - - presto->status = FT_GetDeviceInfo(presto->handle, &device, - &vidpid, presto->serial, devname, NULL); - if (presto->status == FT_OK) { - if (vidpid == PRESTO_VID_PID && (req_serial == NULL || - !strcmp(presto->serial, req_serial))) - break; - } else - LOG_DEBUG("FT_GetDeviceInfo failed: %s", ftd2xx_status_string( - presto->status)); - - LOG_DEBUG("FTDI device %i does not match, closing", (int)i); - FT_Close(presto->handle); - presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; - } - - if (presto->handle == (FT_HANDLE)INVALID_HANDLE_VALUE) - return ERROR_JTAG_DEVICE_ERROR; /* presto not open, return */ - - presto->status = FT_SetLatencyTimer(presto->handle, 1); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_SetTimeouts(presto->handle, 100, 0); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto_data = 0xD0; - presto->status = FT_Write(presto->handle, &presto_data, 1, &ftbytes); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - /* delay between first write/read turnaround (after purge?) necessary - * under Linux for unknown reason, - * probably a bug in library threading */ - usleep(100000); - presto->status = FT_Read(presto->handle, &presto_data, 1, &ftbytes); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - if (ftbytes != 1) { - LOG_DEBUG("PRESTO reset"); - - presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - presto->status = FT_SetBitMode(presto->handle, 0x80, 1); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - presto->status = FT_SetBaudRate(presto->handle, 9600); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto_data = 0; - for (i = 0; i < 4 * 62; i++) { - presto->status = FT_Write(presto->handle, &presto_data, 1, &ftbytes); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - } - usleep(100000); - - presto->status = FT_SetBitMode(presto->handle, 0x00, 0); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto_data = 0xD0; - presto->status = FT_Write(presto->handle, &presto_data, 1, &ftbytes); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - /* delay between first write/read turnaround (after purge?) necessary under Linux for unknown reason, - probably a bug in library threading */ - usleep(100000); - presto->status = FT_Read(presto->handle, &presto_data, 1, &ftbytes); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - if (ftbytes != 1) { - LOG_DEBUG("PRESTO not responding"); - return ERROR_JTAG_DEVICE_ERROR; - } - } - - presto->status = FT_SetTimeouts(presto->handle, 0, 0); - if (presto->status != FT_OK) - return ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_Write(presto->handle, &presto_init_seq, - sizeof(presto_init_seq), &ftbytes); - - if (presto->status != FT_OK || ftbytes != sizeof(presto_init_seq)) - return ERROR_JTAG_DEVICE_ERROR; - - return ERROR_OK; -} - -#elif BUILD_PRESTO_LIBFTDI == 1 static int presto_open_libftdi(char *req_serial) { uint8_t presto_data; @@ -371,7 +195,6 @@ static int presto_open_libftdi(char *req_serial) return ERROR_OK; } -#endif /* BUILD_PRESTO_LIBFTDI == 1 */ static int presto_open(char *req_serial) { @@ -391,11 +214,7 @@ static int presto_open(char *req_serial) presto->jtag_speed = 0; -#if BUILD_PRESTO_FTD2XX == 1 - return presto_open_ftd2xx(req_serial); -#elif BUILD_PRESTO_LIBFTDI == 1 return presto_open_libftdi(req_serial); -#endif } static int presto_close(void) @@ -403,35 +222,6 @@ static int presto_close(void) int result = ERROR_OK; -#if BUILD_PRESTO_FTD2XX == 1 - DWORD ftbytes; - - if (presto->handle == (FT_HANDLE)INVALID_HANDLE_VALUE) - return result; - - presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX); - if (presto->status != FT_OK) - result = ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_Write(presto->handle, - &presto_init_seq, - sizeof(presto_init_seq), - &ftbytes); - if (presto->status != FT_OK || ftbytes != sizeof(presto_init_seq)) - result = ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_SetLatencyTimer(presto->handle, 16); - if (presto->status != FT_OK) - result = ERROR_JTAG_DEVICE_ERROR; - - presto->status = FT_Close(presto->handle); - if (presto->status != FT_OK) - result = ERROR_JTAG_DEVICE_ERROR; - else - presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; - -#elif BUILD_PRESTO_LIBFTDI == 1 - presto->retval = ftdi_write_data(&presto->ftdic, presto_init_seq, sizeof(presto_init_seq)); if (presto->retval != sizeof(presto_init_seq)) result = ERROR_JTAG_DEVICE_ERROR; @@ -445,7 +235,6 @@ static int presto_close(void) result = ERROR_JTAG_DEVICE_ERROR; else ftdi_deinit(&presto->ftdic); -#endif return result; } @@ -455,11 +244,7 @@ static int presto_flush(void) if (presto->buff_out_pos == 0) return ERROR_OK; -#if BUILD_PRESTO_FTD2XX == 1 - if (presto->status != FT_OK) { -#elif BUILD_PRESTO_LIBFTDI == 1 if (presto->retval < 0) { -#endif LOG_DEBUG("error in previous communication, canceling I/O operation"); return ERROR_JTAG_DEVICE_ERROR; } @@ -502,13 +287,9 @@ static int presto_sendbyte(int data) } else return ERROR_JTAG_DEVICE_ERROR; -#if BUILD_PRESTO_FTD2XX == 1 - if (presto->buff_out_pos >= BUFFER_SIZE) -#elif BUILD_PRESTO_LIBFTDI == 1 /* libftdi does not do background read, be sure that USB IN buffer does not overflow (128 *bytes only!) */ if (presto->buff_out_pos >= BUFFER_SIZE || presto->buff_in_exp == 128) -#endif return presto_flush(); return ERROR_OK;