From 29000b204d039bc1123027eba755329ab36a3dde Mon Sep 17 00:00:00 2001 From: drath Date: Tue, 14 Aug 2007 09:48:54 +0000 Subject: - reworked presto.c to allow use of either FTD2XX or libftdi (libftdi not functional yet). Configure option changed from --enable-presto to --enable-presto_ftd2xx and --enable-presto_libftdi - completed trace point support for use with ARM7/9 DCC - completed debug message output with support for HEX dumps (1, 2 or 4 byte quantities) - fixed bug in delete_debug_msg_receiver (thanks to Pavel Chromy) - fixed bug in image_add_section (thanks to Pavel Chromy) - at91sam7 sector erase reworked (thanks to Pavel Chromy) - merge consecutive sections during flash image write to work around possible section alignment issues with LPC2000 targets git-svn-id: svn://svn.berlios.de/openocd/trunk@194 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/jtag/Makefile.am | 5 +- src/jtag/jtag.c | 4 +- src/jtag/presto.c | 502 +++++++++++++++++++++++++++++++++++++-------------- 3 files changed, 370 insertions(+), 141 deletions(-) (limited to 'src/jtag') diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am index 64159e58..b993b1ce 100644 --- a/src/jtag/Makefile.am +++ b/src/jtag/Makefile.am @@ -65,9 +65,12 @@ else BITQFILES = endif -if PRESTO +if PRESTO_LIBFTDI PRESTOFILES = presto.c else +if PRESTO_FTD2XX +PRESTOFILES = presto.c +endif PRESTOFILES = endif diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index bac1b39e..5a390070 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -162,7 +162,7 @@ jtag_event_callback_t *jtag_event_callbacks; extern jtag_interface_t gw16012_interface; #endif -#if BUILD_PRESTO == 1 +#if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1 extern jtag_interface_t presto_interface; #endif @@ -192,7 +192,7 @@ jtag_interface_t *jtag_interfaces[] = { #if BUILD_GW16012 == 1 &gw16012_interface, #endif -#if BUILD_PRESTO == 1 +#if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1 &presto_interface, #endif #if BUILD_USBPROG == 1 diff --git a/src/jtag/presto.c b/src/jtag/presto.c index 95c59303..084ae917 100644 --- a/src/jtag/presto.c +++ b/src/jtag/presto.c @@ -44,7 +44,12 @@ #include #include -#include "ftd2xx.h" +/* PRESTO access library includes */ +#if BUILD_PRESTO_FTD2XX == 1 +#include +#elif BUILD_PRESTO_LIBFTDI == 1 +#include +#endif int presto_jtag_speed(int speed); @@ -67,7 +72,7 @@ jtag_interface_t presto_interface = int presto_bitq_out(int tms, int tdi, int tdo_req); int presto_bitq_flush(void); int presto_bitq_sleep(unsigned long us); -int presto_bitq_reset(int rst, int en); +int presto_bitq_reset(int trst, int srst); int presto_bitq_in_rdy(void); int presto_bitq_in(void); @@ -89,25 +94,27 @@ bitq_interface_t presto_bitq = #define FT_DEVICE_SERNUM_LEN 64 #define PRESTO_VID_PID 0x0403f1a0 - -#define PRST_OK 0 -#define PRST_ERR 1 -#define PRST_TIMEOUT 2 +#define PRESTO_VID (0x0403) +#define PRESTO_PID (0xf1a0) #define BUFFER_SIZE (64*62) - typedef struct presto_s { +#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]; - BYTE buff_out[BUFFER_SIZE]; + u8 buff_out[BUFFER_SIZE]; int buff_out_pos; - BYTE buff_in[BUFFER_SIZE]; + u8 buff_in[BUFFER_SIZE]; int buff_in_exp; /* expected in buffer length */ int buff_in_len; /* length of data received */ int buff_in_pos; @@ -124,15 +131,88 @@ typedef struct presto_s } presto_t; presto_t presto_state; -presto_t *presto=&presto_state; +presto_t *presto = &presto_state; -BYTE presto_init_seq[] = +u8 presto_init_seq[] = { - 0x80, 0xA0, 0xA8, 0xB0, 0xC0, 0xE0 + 0x80, 0xA0, 0xA8, 0xB0, 0xC0, 0xE0 }; +int presto_write(u8 *buf, int size, u32* bytes_written) +{ +#if BUILD_PRESTO_FTD2XX == 1 + DWORD dw_bytes_written; + if ((presto->status = FT_Write(presto->handle, buf, size, &dw_bytes_written)) != FT_OK) + { + *bytes_written = dw_bytes_written; + ERROR("FT_Write returned: %lu", presto->status); + return ERROR_JTAG_DEVICE_ERROR; + } + else + { + *bytes_written = dw_bytes_written; + return ERROR_OK; + } +#elif BUILD_PRESTO_LIBFTDI == 1 + if ((presto->retval = ftdi_write_data(&presto->ftdic, buf, size)) < 0) + { + *bytes_written = 0; + ERROR("ftdi_write_data: %s", ftdi_get_error_string(&presto->ftdic)); + return ERROR_JTAG_DEVICE_ERROR; + } + else + { + *bytes_written = retval; + return ERROR_OK; + } +#endif +} -int presto_open(char *req_serial) +int presto_read(u8* buf, int size, u32* bytes_read) +{ +#if BUILD_PRESTO_FTD2XX == 1 + DWORD dw_bytes_read; + int timeout = 5; + *bytes_read = 0; + + while ((*bytes_read < size) && timeout--) + { + if ((presto->status = FT_Read(presto->handle, buf + *bytes_read, size - + *bytes_read, &dw_bytes_read)) != FT_OK) + { + *bytes_read = 0; + ERROR("FT_Read returned: %lu", presto->status); + return ERROR_JTAG_DEVICE_ERROR; + } + *bytes_read += dw_bytes_read; + } +#elif BUILD_PRESTO_LIBFTDI == 1 + int timeout = 100; + *bytes_read = 0; + + while ((*bytes_read < size) && timeout--) + { + if ((presto->retval = ftdi_read_data(&presto->ftdic, buf + *bytes_read, size - *bytes_read)) < 0) + { + *bytes_read = 0; + ERROR("ftdi_read_data: %s", ftdi_get_error_string(&presto->ftdic)); + return ERROR_JTAG_DEVICE_ERROR; + } + *bytes_read += retval; + } +#endif + + if (*bytes_read < size) + { + ERROR("couldn't read the requested number of bytes from PRESTO (%i < %i)", *bytes_read, size); + return ERROR_JTAG_DEVICE_ERROR; + } + + return ERROR_OK; +} + +#if BUILD_PRESTO_FTD2XX == 1 +int presto_open_ftd2xx(char *req_serial) { int i; DWORD numdevs; @@ -144,90 +224,204 @@ int presto_open(char *req_serial) unsigned long ftbytes; presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; + +#if IS_WIN32 == 0 + /* Add non-standard Vid/Pid to the linux driver */ + if ((presto->status = FT_SetVIDPID(PRESTO_VID, PRESTO_PID)) != FT_OK) + { + ERROR("couldn't add PRESTO VID/PID"); + exit(-1); + } +#endif - presto->buff_out_pos=0; - presto->buff_in_pos=0; - presto->buff_in_len=0; - presto->buff_in_exp=0; - - presto->total_out=0; - presto->total_in=0; - - presto->jtag_tms=0; - presto->jtag_tck=0; - presto->jtag_tdi_data=0; - presto->jtag_tdi_count=0; - - if (FT_ListDevices(&numdevs, NULL, FT_LIST_NUMBER_ONLY)!=FT_OK) return PRST_ERR; - for (i=0; istatus = FT_ListDevices(&numdevs, NULL, FT_LIST_NUMBER_ONLY)) != FT_OK) { - if (FT_Open(i, &(presto->handle))!=FT_OK) continue; - if (FT_GetDeviceInfo(presto->handle,&device,&vidpid,presto->serial,devname,NULL)==FT_OK) + ERROR("FT_ListDevices failed: %i", (int)presto->status); + return ERROR_JTAG_INIT_FAILED; + } + + for (i = 0; i < numdevs; i++) + { + if (FT_Open(i, &(presto->handle)) != FT_OK) { - if (vidpid==PRESTO_VID_PID && (req_serial==NULL || !strcmp(presto->serial,req_serial))) + ERROR("FT_Open failed: %i", (int)presto->status); + continue; + } + + if (FT_GetDeviceInfo(presto->handle, &device, &vidpid, + presto->serial, devname, NULL) == FT_OK) + { + if (vidpid == PRESTO_VID_PID + && (req_serial == NULL || !strcmp(presto->serial, req_serial))) break; } + FT_Close(presto->handle); presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; } - if (presto->handle == (FT_HANDLE)INVALID_HANDLE_VALUE) return PRST_ERR; - - if ((presto->status=FT_SetLatencyTimer(presto->handle,1))!=FT_OK) return PRST_ERR; - if ((presto->status=FT_SetTimeouts(presto->handle,100,0))!=FT_OK) return PRST_ERR; - if ((presto->status=FT_Purge(presto->handle, FT_PURGE_TX|FT_PURGE_RX))!=FT_OK) return PRST_ERR; + if (presto->handle == (FT_HANDLE)INVALID_HANDLE_VALUE) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_SetLatencyTimer(presto->handle, 1)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_SetTimeouts(presto->handle, 100, 0)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; - presto_data=0xD0; - if ((presto->status=FT_Write(presto->handle,&presto_data,1,&ftbytes))!=FT_OK) return PRST_ERR; - if ((presto->status=FT_Read(presto->handle,&presto_data,1,&ftbytes))!=FT_OK) return PRST_ERR; + presto_data = 0xD0; + if ((presto->status = FT_Write(presto->handle, &presto_data, 1, &ftbytes)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_Read(presto->handle, &presto_data, 1, &ftbytes)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; if (ftbytes!=1) { - if ((presto->status=FT_SetBitMode(presto->handle,0x80,1))!=FT_OK) return PRST_ERR; - if ((presto->status=FT_Purge(presto->handle, FT_PURGE_TX|FT_PURGE_RX))!=FT_OK) return PRST_ERR ; - if ((presto->status=FT_SetBaudRate(presto->handle,9600))!=FT_OK) return PRST_ERR; - - presto_data=0; - for (i=0; i<4*62; i++) - if ((presto->status=FT_Write(presto->handle,&presto_data,1,&ftbytes))!=FT_OK) return PRST_ERR; + if ((presto->status = FT_SetBitMode(presto->handle, 0x80, 1)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX)) != FT_OK) + return ERROR_JTAG_INIT_FAILED ; + if ((presto->status = FT_SetBaudRate(presto->handle, 9600)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + + presto_data = 0; + for (i = 0; i < 4 * 62; i++) + if ((presto->status=FT_Write(presto->handle, &presto_data, 1, &ftbytes)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; usleep(100000); - if ((presto->status=FT_SetBitMode(presto->handle,0x00,0))!=FT_OK) return PRST_ERR; - if ((presto->status=FT_Purge(presto->handle, FT_PURGE_TX|FT_PURGE_RX))!=FT_OK) return PRST_ERR; - - presto_data=0xD0; - if ((presto->status=FT_Write(presto->handle,&presto_data,1,&ftbytes))!=FT_OK) return PRST_ERR; - if ((presto->status=FT_Read(presto->handle,&presto_data,1,&ftbytes))!=FT_OK) return PRST_ERR; - if (ftbytes!=1) return PRST_ERR; + if ((presto->status = FT_SetBitMode(presto->handle, 0x00, 0)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_Purge(presto->handle, FT_PURGE_TX | FT_PURGE_RX)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + + presto_data = 0xD0; + if ((presto->status = FT_Write(presto->handle, &presto_data, 1, &ftbytes)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->status = FT_Read(presto->handle, &presto_data, 1, &ftbytes)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if (ftbytes!=1) + return ERROR_JTAG_INIT_FAILED; } - if ((presto->status=FT_SetTimeouts(presto->handle,0,0))!=FT_OK) return PRST_ERR; + if ((presto->status = FT_SetTimeouts(presto->handle, 0, 0)) != FT_OK) + return ERROR_JTAG_INIT_FAILED; - presto->status=FT_Write(presto->handle,&presto_init_seq,sizeof(presto_init_seq),&ftbytes); - if (presto->status!=FT_OK) return PRST_ERR; - if (ftbytes!=sizeof(presto_init_seq)) return PRST_TIMEOUT; + presto->status = FT_Write(presto->handle, &presto_init_seq, sizeof(presto_init_seq), &ftbytes); + if (presto->status != FT_OK) + return ERROR_JTAG_INIT_FAILED; + if (ftbytes != sizeof(presto_init_seq)) + return ERROR_JTAG_INIT_FAILED; - return PRST_OK; + return ERROR_OK; } +#elif BUILD_PRESTO_LIBFTDI == 1 +int presto_open_libftdi(char *req_serial) +{ + u8 presto_data; + u32 ftbytes; + + DEBUG("searching for presto JTAG interface using libftdi"); + + /* context, vendor id, product id */ + if (ftdi_usb_open_desc(&presto->ftdic, PRESTO_VID, PRESTO_PID, NULL, req_serial) < 0) + { + ERROR("unable to open presto: %s", presto->ftdic.error_str); + return ERROR_JTAG_INIT_FAILED; + } + + if (ftdi_usb_reset(&presto->ftdic) < 0) + { + ERROR("unable to reset presto device"); + return ERROR_JTAG_INIT_FAILED; + } + + if (ftdi_set_latency_timer(&presto->ftdic, 1) < 0) + { + ERROR("unable to set latency timer"); + return ERROR_JTAG_INIT_FAILED; + } + + if (ftdi_usb_purge_buffers(&presto->ftdic) < 0) + { + ERROR("unable to purge presto buffer"); + return ERROR_JTAG_INIT_FAILED; + } + + presto_data = 0xD0; + if ((presto->retval = presto_write(&presto_data, 1, &ftbytes)) != ERROR_OK) + return ERROR_JTAG_INIT_FAILED; + if ((presto->retval = presto_read(&presto_data, 1, &ftbytes)) != ERROR_OK) + return ERROR_JTAG_INIT_FAILED; + + return ERROR_OK; +} +#endif /* BUILD_PRESTO_LIBFTDI == 1 */ + +int presto_open(char *req_serial) +{ + presto->buff_out_pos=0; + presto->buff_in_pos=0; + presto->buff_in_len=0; + presto->buff_in_exp=0; + + presto->total_out=0; + presto->total_in=0; + + presto->jtag_tms=0; + presto->jtag_tck=0; + presto->jtag_tdi_data=0; + presto->jtag_tdi_count=0; + +#if BUILD_PRESTO_FTD2XX == 1 + return presto_open_ftd2xx(req_serial); +#elif BUILD_PRESTO_LIBFTDI == 1 + return presto_open_libftdi(req_serial); +#endif +} int presto_close(void) { - unsigned long ftbytes; - int result=PRST_OK; + int result = ERROR_OK; - if (presto->handle == (FT_HANDLE)INVALID_HANDLE_VALUE) return result; +#if BUID_PRESTO_FTD2XX == 1 + unsigned long ftbytes; - presto->status=FT_Write(presto->handle,&presto_init_seq,sizeof(presto_init_seq),&ftbytes); - if (presto->status!=FT_OK) result=PRST_ERR; - if (ftbytes!=sizeof(presto_init_seq)) result=PRST_TIMEOUT; + if (presto->handle == (FT_HANDLE)INVALID_HANDLE_VALUE) + return result; - if ((presto->status=FT_SetLatencyTimer(presto->handle,16))!=FT_OK) result=PRST_ERR; + presto->status = FT_Write(presto->handle, &presto_init_seq, sizeof(presto_init_seq), &ftbytes); + if (presto->status != FT_OK) + result = PRST_ERR; + if (ftbytes != sizeof(presto_init_seq)) + result = PRST_TIMEOUT; - if ((presto->status=FT_Close(presto->handle))!=FT_OK) result=PRST_ERR; - else presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; + if ((presto->status = FT_SetLatencyTimer(presto->handle, 16)) != FT_OK) + result = PRST_ERR; + + if ((presto->status = FT_Close(presto->handle)) != FT_OK) + result = PRST_ERR; + else + presto->handle = (FT_HANDLE)INVALID_HANDLE_VALUE; + +#elif BUILD_PRESTO_LIBFTDI == 1 + + if ((presto->retval = ftdi_write_data(&presto->ftdic, presto_init_seq, sizeof(presto_init_seq))) < 0) + { + result = ERROR_JTAG_DEVICE_ERROR; + } + + if ((presto->retval = ftdi_set_latency_timer(&presto->ftdic, 16)) < 0) + { + result = ERROR_JTAG_DEVICE_ERROR; + } + + ftdi_deinit(&presto->ftdic); + +#endif return result; } @@ -235,77 +429,92 @@ int presto_close(void) int presto_flush(void) { - unsigned long ftbytes; + u32 ftbytes; + + if (presto->buff_out_pos == 0) + return ERROR_OK; - if (presto->buff_out_pos==0) return PRST_OK; - if (presto->status!=FT_OK) return PRST_ERR; +#if BUILD_PRESTO_FTD2XX == 1 + if (presto->status != FT_OK) +#elif BUILD_PRESTO_LIBFTDI == 1 + if (presto->retval != ERROR_OK) +#endif + return ERROR_JTAG_DEVICE_ERROR; - if ((presto->status=FT_Write(presto->handle, presto->buff_out, presto->buff_out_pos, &ftbytes))!=FT_OK) + + if (presto_write(presto->buff_out, presto->buff_out_pos, &ftbytes) != ERROR_OK) { - presto->buff_out_pos=0; - return PRST_ERR; + presto->buff_out_pos = 0; + return ERROR_JTAG_DEVICE_ERROR; } - presto->total_out+=ftbytes; + presto->total_out += ftbytes; - if (presto->buff_out_pos!=ftbytes) + if (presto->buff_out_pos != ftbytes) { - presto->buff_out_pos=0; - return PRST_TIMEOUT; + presto->buff_out_pos = 0; + return ERROR_JTAG_DEVICE_ERROR; } - presto->buff_out_pos=0; + presto->buff_out_pos = 0; - if (presto->buff_in_exp==0) return PRST_OK; + if (presto->buff_in_exp == 0) + return ERROR_OK; - presto->buff_in_pos=0; - presto->buff_in_len=0; + presto->buff_in_pos = 0; + presto->buff_in_len = 0; - if ((presto->status=FT_Read(presto->handle, presto->buff_in, presto->buff_in_exp, &ftbytes))!=FT_OK) + if (presto_read(presto->buff_in, presto->buff_in_exp, &ftbytes) != ERROR_OK) { - presto->buff_in_exp=0; - return PRST_ERR; + presto->buff_in_exp = 0; + return ERROR_JTAG_DEVICE_ERROR; } - presto->total_in+=ftbytes; + presto->total_in += ftbytes; - if (ftbytes!=presto->buff_in_exp) + if (ftbytes != presto->buff_in_exp) { - presto->buff_in_exp=0; - return PRST_TIMEOUT; + presto->buff_in_exp = 0; + return ERROR_JTAG_DEVICE_ERROR; } - presto->buff_in_len=presto->buff_in_exp; - presto->buff_in_exp=0; + presto->buff_in_len = presto->buff_in_exp; + presto->buff_in_exp = 0; - return PRST_OK; + return ERROR_OK; } int presto_sendbyte(int data) { - if (data==EOF) return presto_flush(); + if (data == EOF) return presto_flush(); if (presto->buff_out_pos < BUFFER_SIZE) { - presto->buff_out[presto->buff_out_pos++]=(BYTE)data; - if (((data&0xC0)==0x40) || ((data&0xD0)==0xD0)) + presto->buff_out[presto->buff_out_pos++] = (u8)data; + if (((data & 0xC0) == 0x40) || ((data & 0xD0)== 0xD0)) presto->buff_in_exp++; } - else return PRST_ERR; + else + return ERROR_JTAG_DEVICE_ERROR; - if (presto->buff_out_pos >= BUFFER_SIZE) return presto_flush(); - return PRST_OK; + if (presto->buff_out_pos >= BUFFER_SIZE) + return presto_flush(); + + return ERROR_OK; } int presto_getbyte(void) { - if (presto->buff_in_posbuff_in_len) + if (presto->buff_in_pos < presto->buff_in_len) return presto->buff_in[presto->buff_in_pos++]; - if (presto->buff_in_exp==0) return -1; - if (presto_flush()!=PRST_OK) return -1; + if (presto->buff_in_exp == 0) + return -1; + + if (presto_flush() != ERROR_OK) + return -1; if (presto->buff_in_posbuff_in_len) return presto->buff_in[presto->buff_in_pos++]; @@ -321,46 +530,55 @@ int presto_bitq_out(int tms, int tdi, int tdo_req) { unsigned char cmdparam; - if (presto->jtag_tck==0) + if (presto->jtag_tck == 0) { presto_sendbyte(0xA4); - presto->jtag_tck=1; + presto->jtag_tck = 1; } - else if (!tdo_req && tms==presto->jtag_tms) + else if (!tdo_req && tms == presto->jtag_tms) { - if (presto->jtag_tdi_count==0) presto->jtag_tdi_data=(tdi!=0); - else presto->jtag_tdi_data|=(tdi!=0)<jtag_tdi_count; - if (++presto->jtag_tdi_count==4) + if (presto->jtag_tdi_count == 0) + presto->jtag_tdi_data = (tdi != 0); + else + presto->jtag_tdi_data |= (tdi != 0) << presto->jtag_tdi_count; + + if (++presto->jtag_tdi_count == 4) { - presto->jtag_tdi_data|=(presto->jtag_tdi_count-1)<<4; + presto->jtag_tdi_data |= (presto->jtag_tdi_count - 1) << 4; presto_sendbyte(presto->jtag_tdi_data); - presto->jtag_tdi_count=0; + presto->jtag_tdi_count = 0; } return 0; } if (presto->jtag_tdi_count) { - presto->jtag_tdi_data|=(presto->jtag_tdi_count-1)<<4; + presto->jtag_tdi_data |= (presto->jtag_tdi_count - 1) << 4; presto_sendbyte(presto->jtag_tdi_data); - presto->jtag_tdi_count=0; + presto->jtag_tdi_count = 0; } - if (tdi) cmdparam=0x0B; - else cmdparam=0x0A; + if (tdi) + cmdparam = 0x0B; + else + cmdparam = 0x0A; - presto_sendbyte(0xC0|cmdparam); + presto_sendbyte( 0xC0 | cmdparam); - if (tms!=presto->jtag_tms) + if (tms != presto->jtag_tms) { - if (tms) presto_sendbyte(0xEC); - else presto_sendbyte(0xE8); - presto->jtag_tms=tms; + if (tms) + presto_sendbyte(0xEC); + else + presto_sendbyte(0xE8); + presto->jtag_tms = tms; } - if (tdo_req) presto_sendbyte(0xD4|cmdparam); - else presto_sendbyte(0xC4|cmdparam); + if (tdo_req) + presto_sendbyte(0xD4 | cmdparam); + else + presto_sendbyte(0xC4|cmdparam); return 0; } @@ -370,13 +588,13 @@ int presto_bitq_flush(void) { if (presto->jtag_tdi_count) { - presto->jtag_tdi_data|=(presto->jtag_tdi_count-1)<<4; + presto->jtag_tdi_data |= (presto->jtag_tdi_count - 1) << 4; presto_sendbyte(presto->jtag_tdi_data); - presto->jtag_tdi_count=0; + presto->jtag_tdi_count = 0; } presto_sendbyte(0xCA); - presto->jtag_tck=0; + presto->jtag_tck = 0; presto_sendbyte(0xA0); @@ -386,14 +604,16 @@ int presto_bitq_flush(void) int presto_bitq_in_rdy(void) { - if (presto->buff_in_pos>=presto->buff_in_len) return 0; + if (presto->buff_in_pos>=presto->buff_in_len) + return 0; return presto->buff_in_len-presto->buff_in_pos; } int presto_bitq_in(void) { - if (presto->buff_in_pos>=presto->buff_in_len) return -1; + if (presto->buff_in_pos>=presto->buff_in_len) + return -1; if (presto->buff_in[presto->buff_in_pos++]&0x08) return 1; return 0; } @@ -403,15 +623,16 @@ int presto_bitq_sleep(unsigned long us) { long waits; - if (us>100000) + if (us > 100000) { presto_bitq_flush(); jtag_sleep(us); return 0; } - waits=us/170+2; - while (waits--) presto_sendbyte(0x80); + waits = us / 170 + 2; + while (waits--) + presto_sendbyte(0x80); return 0; } @@ -421,10 +642,12 @@ int presto_bitq_reset(int trst, int srst) { unsigned char cmd; - cmd=0xE8; - if (presto->jtag_tms) cmd|=0x04; + cmd = 0xE8; + if (presto->jtag_tms) + cmd |= 0x04; - if (trst || srst) cmd|=0x02; + if (trst || srst) + cmd |= 0x02; presto_sendbyte(cmd); return 0; @@ -436,7 +659,7 @@ int presto_bitq_reset(int trst, int srst) int presto_jtag_speed(int speed) { - jtag_speed=speed; + jtag_speed = speed; return ERROR_OK; } @@ -447,7 +670,8 @@ int presto_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, c { if (argc == 1) { - if (presto_serial) free(presto_serial); + if (presto_serial) + free(presto_serial); presto_serial = strdup(args[0]); } else @@ -469,16 +693,18 @@ int presto_jtag_register_commands(struct command_context_s *cmd_ctx) int presto_jtag_init(void) { - if (presto_open(presto_serial)!=0) + if (presto_open(presto_serial) != ERROR_OK) { presto_close(); - if (presto_serial!=NULL) ERROR("Cannot open PRESTO, serial number %s", presto_serial); - else ERROR("Cannot open PRESTO"); + if (presto_serial != NULL) + ERROR("Cannot open PRESTO, serial number '%s'", presto_serial); + else + ERROR("Cannot open PRESTO"); return ERROR_JTAG_INIT_FAILED; } - INFO("PRESTO open, serial number %s", presto->serial); + INFO("PRESTO open, serial number '%s'", presto->serial); - bitq_interface=&presto_bitq; + bitq_interface = &presto_bitq; return ERROR_OK; } @@ -492,7 +718,7 @@ int presto_jtag_quit(void) if (presto_serial) { free(presto_serial); - presto_serial=NULL; + presto_serial = NULL; } return ERROR_OK; -- cgit v1.2.3