diff options
Diffstat (limited to 'STM32_bootloader/Core/Src/cpldwriter.c')
| -rw-r--r-- | STM32_bootloader/Core/Src/cpldwriter.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/STM32_bootloader/Core/Src/cpldwriter.c b/STM32_bootloader/Core/Src/cpldwriter.c deleted file mode 100644 index 3613931..0000000 --- a/STM32_bootloader/Core/Src/cpldwriter.c +++ /dev/null @@ -1,192 +0,0 @@ -#include "bootloader.h"
-#include "main.h"
-#include "cpldwriter.h"
-#include "libxsvf.h"
-#include "fatfs.h"
-#include <inttypes.h>
-#include <string.h>
-#include <stdlib.h>
-
-static int svf_setup(struct libxsvf_host *h)
-{
- GPIO_InitTypeDef GPIO_InitStruct = {0};
-
- /* Configure GPIO pin : TDO_Pin */
- GPIO_InitStruct.Pin = TDO_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(TDO_GPIO_Port, &GPIO_InitStruct);
-
- /* Configure GPIO pins : TCK_Pin TDI_Pin TMS_Pin */
- GPIO_InitStruct.Pin = TCK_Pin|TDI_Pin|TMS_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- HAL_GPIO_WritePin(TCK_GPIO_Port, TCK_Pin, GPIO_PIN_SET);
- HAL_GPIO_WritePin(TDI_GPIO_Port, TDI_Pin, GPIO_PIN_SET);
- HAL_GPIO_WritePin(TMS_GPIO_Port, TMS_Pin, GPIO_PIN_SET);
-
- return 0;
-}
-
-static int svf_shutdown(struct libxsvf_host *h)
-{
- GPIO_InitTypeDef GPIO_InitStruct = {0};
-
- /* Configure GPIO pin : TDO_Pin TCK_Pin TDI_Pin TMS_Pin */
- GPIO_InitStruct.Pin = TDO_Pin|TCK_Pin|TDI_Pin|TMS_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- return 0;
-}
-
-static void svf_udelay(struct libxsvf_host *h, long usecs, int tms, long num_tck)
-{
- if (usecs > 50000) usecs = 50000; // limit
- TIM1->CNT = 0;
- if (num_tck)
- {
- HAL_GPIO_WritePin(TMS_GPIO_Port, TMS_Pin, tms ? GPIO_PIN_SET : GPIO_PIN_RESET);
- while (num_tck-- > 0)
- {
- HAL_GPIO_WritePin(TCK_GPIO_Port, TCK_Pin, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(TCK_GPIO_Port, TCK_Pin, GPIO_PIN_SET);
- }
- while (TIM1->CNT < usecs) ;
- }
-}
-
-static int svf_getbyte(struct libxsvf_host *h)
-{
- FRESULT fr;
- struct udata_s *u = (struct udata_s *)h->user_data;
-
- if (u->pos >= u->size)
- {
- // need to read data
- fr = f_read(u->fil, &u->buff, SVF_BUFFER_SIZE, &u->size);
- if (fr) return -1;
- if (!u->size) return -1;
- u->pos = 0;
- }
- return u->buff[u->pos++];
-}
-
-static int svf_pulse_tck(struct libxsvf_host *h, int tms, int tdi, int tdo, int rmask, int sync)
-{
- HAL_GPIO_WritePin(TMS_GPIO_Port, TMS_Pin, tms ? GPIO_PIN_SET : GPIO_PIN_RESET);
- if (tdi >= 0) HAL_GPIO_WritePin(TDI_GPIO_Port, TDI_Pin, tdi ? GPIO_PIN_SET : GPIO_PIN_RESET);
- HAL_GPIO_WritePin(TCK_GPIO_Port, TCK_Pin, GPIO_PIN_RESET);
- HAL_GPIO_WritePin(TCK_GPIO_Port, TCK_Pin, GPIO_PIN_SET);
- GPIO_PinState line_tdo = HAL_GPIO_ReadPin(TDO_GPIO_Port, TDO_Pin);
- return tdo < 0 || line_tdo == tdo ? line_tdo : -1;
-}
-
-int svf_set_frequency(struct libxsvf_host *h, int v)
-{
- struct udata_s *u = (struct udata_s *)h->user_data;
- u->freq = v;
- return 0;
-}
-
-static void svf_report_error(struct libxsvf_host *h, const char *file, int line, const char *message)
-{
- error();
-}
-
-static void *svf_realloc(struct libxsvf_host *h, void *ptr, int size, enum libxsvf_mem which)
-{
- return realloc(ptr, size);
-}
-
-void write_cpld(FILINFO *svf_file)
-{
- FATFS FatFs;
- FIL fil;
- FRESULT fr;
- struct udata_s u;
- u.fil = &fil;
- u.pos = 0;
- u.size = 0;
- struct libxsvf_host h = {
- .setup = svf_setup,
- .shutdown = svf_shutdown,
- .udelay = svf_udelay,
- .getbyte = svf_getbyte,
- .sync = 0,
- .pulse_tck = svf_pulse_tck,
- .pulse_sck = 0,
- .set_trst = 0,
- .set_frequency = svf_set_frequency,
- .report_tapstate = 0,
- .report_device = 0,
- .report_status = 0,
- .report_error = svf_report_error,
- .realloc = svf_realloc,
- .user_data = &u
- };
-
- // Mount FAT file system
- fr = f_mount(&FatFs, "", 1);
- if (fr)
- error();
- // Open firmware file
- fr = f_open(u.fil, svf_file->fname, FA_READ);
- if (fr)
- error();
-
- if (libxsvf_play(&h, LIBXSVF_MODE_SVF) < 0) {
- error();
- }
-
- // Close file
- fr = f_close(u.fil);
- if (fr)
- error();
- // Delete file
- fr = f_unlink(svf_file->fname);
- // Unmount
- fr = f_mount(NULL, "", 1);
- if (fr)
- error();
-}
-
-int find_svf_file(FILINFO *svf_file)
-{
- // Find first .svf file if any
- int len, r = 0;
- FATFS fs;
- FRESULT res;
- DIR dir;
- FILINFO fno;
-
- f_mount(&fs, "", 1);
- res = f_opendir(&dir, "/");
- if (res == FR_OK)
- {
- while (1)
- {
- res = f_readdir(&dir, &fno);
- if (res != FR_OK || fno.fname[0] == 0)
- break;
- if (!(fno.fattrib & AM_DIR) && (fno.fsize != 0))
- {
- len = strlen(fno.fname);
- if ((len > 4) && (fno.fname[len - 4] == '.') && (fno.fname[len - 3] == 'S') && (fno.fname[len - 2] == 'V') && (fno.fname[len - 1] == 'F'))
- {
- memcpy(svf_file, &fno, sizeof(FILINFO));
- r = 1;
- break;
- }
- }
- }
- }
- f_closedir(&dir);
- f_mount(NULL, "", 1);
-
- return r;
-}
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