-#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
Code Review / openocd.git / commitdiff