void cmd_sdchalt(BaseSequentialStream *chp, int argc, char *argv[]){
(void)argv;
(void)argc;
(void)chp;
sdc_haltnow() ;
SHELLDBG("SDC card system halted. Remove card and restart system before inserting again.\r\n");
}
/*
* Wrapper around fatfs f_write function.
* Try to write twice before failing
* Track the sdc_fp_index
* Do periodic f_sync to sd card
*/
SDC_ERRORCode sdc_f_write(FIL* fp, void* buff, unsigned int btw, unsigned int* bytes_written) {
static int8_t sync_wait = SDC_F_SYNC_COUNT;
FRESULT f_ret;
f_ret = f_write(fp, buff, btw, bytes_written);
if (f_ret) {
/*
* const char* sdc_testdata_file = "LOGSMALL.bin";
* FILINFO DATAFil_info;
*f_ret = f_stat(sdc_testdata_file, &DATAFil_info);
*if(f_ret) {
* SDCDEBUG("fail stat on file\r\n");
*}
*SDCDEBUG("file size of %s is: %d\r\n", sdc_testdata_file, DATAFil_info.fsize);
*/
SDCDEBUG("\r\n%s: f_write error: %d\tbtw: %d\tbw: %d\r\n",__func__, f_ret, btw, *bytes_written) ;
SDCDEBUG("sdc_fp_index is: %lu\r\n", sdc_fp_index);
SDCDEBUG("f_size returns: %lu\r\n", f_size(fp));
sdc_haltnow() ;
// SDCDEBUG("f_eof returns: %lu\r\n", f_eof(fp));
f_ret = f_write(fp, buff, btw, bytes_written);
if (f_ret) {
SDCDEBUG("%s: f_write error: %d\tbtw: %d\tbw: %d\r\n",__func__, f_ret, btw, *bytes_written) ;
return SDC_FWRITE_ERROR;
}
}
sdc_fp_index += *bytes_written;
if(sync_wait-- <= 0) {
f_ret = f_sync(fp);
if (f_ret) {
f_ret = f_sync(fp);
if (f_ret) {
SDCDEBUG("f_sync error: %d\r\n", f_ret);
return SDC_SYNC_ERROR;
}
}
sync_wait = SDC_F_SYNC_COUNT;
}
return SDC_OK;
}
