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/*
* File: chipid.c
*
* Chip-ID parametres
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stm32.h>
#include <stlink.h>
#include "chipid.h"
#include "logging.h"
// #include <ctype.h> // TODO: Check use
// #include <errno.h> // TODO: Check use
static struct stlink_chipid_params *devicelist;
void dump_a_chip(struct stlink_chipid_params *dev) {
DLOG("# Device Type: %s\n", dev->dev_type);
DLOG("# Reference Manual: RM%s\n", dev->ref_manual_id);
DLOG("#\n");
DLOG("chip_id 0x%x\n", dev->chip_id);
DLOG("flash_type %d\n", dev->flash_type);
DLOG("flash_size_reg 0x%x\n", dev->flash_size_reg);
DLOG("flash_pagesize 0x%x\n", dev->flash_pagesize);
DLOG("sram_size 0x%x\n", dev->sram_size);
DLOG("bootrom_base 0x%x\n", dev->bootrom_base);
DLOG("bootrom_size 0x%x\n", dev->bootrom_size);
DLOG("option_base 0x%x\n", dev->option_base);
DLOG("option_size 0x%x\n", dev->option_size);
DLOG("flags %d\n\n", dev->flags);
DLOG("otp_base %d\n\n", dev->otp_base);
DLOG("otp_size %d\n\n", dev->otp_size);
}
struct stlink_chipid_params *stlink_chipid_get_params(uint32_t chip_id) {
struct stlink_chipid_params *params = NULL;
for (params = devicelist; params != NULL; params = params->next)
if (params->chip_id == chip_id) {
DLOG("detected chip_id parameters\n\n");
dump_a_chip(params);
break;
}
return (params);
}
void process_chipfile(char *fname) {
FILE *fp;
char *p, buf[256];
char word[64], value[64];
struct stlink_chipid_params *ts;
int32_t nc;
// fprintf (stderr, "processing chip-id file %s.\n", fname);
fp = fopen(fname, "r");
if (!fp) {
perror(fname);
return;
}
ts = calloc(sizeof(struct stlink_chipid_params), 1);
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (strncmp(buf, "#", strlen("#")) == 0)
continue; // ignore comments
if ((strncmp(buf, "\n", strlen("\n")) == 0) ||
(strncmp(buf, " ", strlen(" ")) == 0))
continue; // ignore empty lines
if (sscanf(buf, "%63s %63s", word, value) != 2) {
fprintf(stderr, "Failed to read keyword or value\n");
continue;
}
if (strcmp(word, "dev_type") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
ts->dev_type = strdup(buf + nc);
} else if (strcmp(word, "ref_manual_id") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
ts->ref_manual_id = strdup(buf + nc);
} else if (strcmp(word, "chip_id") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->chip_id) < 1) {
fprintf(stderr, "Failed to parse chip-id\n");
}
} else if (strcmp(word, "flash_type") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
// Match human readable flash_type with enum stm32_flash_type { }.
if(strcmp(value, "C0") == 0) {
ts->flash_type = STM32_FLASH_TYPE_C0;
} else if (strcmp(value, "F0_F1_F3") == 0) {
ts->flash_type = STM32_FLASH_TYPE_F0_F1_F3;
} else if (strcmp(value, "F1_XL") == 0) {
ts->flash_type = STM32_FLASH_TYPE_F1_XL;
} else if (strcmp(value, "F2_F4") == 0) {
ts->flash_type = STM32_FLASH_TYPE_F2_F4;
} else if (strcmp(value, "F7") == 0) {
ts->flash_type = STM32_FLASH_TYPE_F7;
} else if (strcmp(value, "G0") == 0) {
ts->flash_type = STM32_FLASH_TYPE_G0;
} else if (strcmp(value, "G4") == 0) {
ts->flash_type = STM32_FLASH_TYPE_G4;
} else if (strcmp(value, "H7") == 0) {
ts->flash_type = STM32_FLASH_TYPE_H7;
} else if (strcmp(value, "L0_L1") == 0) {
ts->flash_type = STM32_FLASH_TYPE_L0_L1;
} else if (strcmp(value, "L4") == 0) {
ts->flash_type = STM32_FLASH_TYPE_L4;
} else if (strcmp(value, "L5_U5_H5") == 0) {
ts->flash_type = STM32_FLASH_TYPE_L5_U5_H5;
} else if (strcmp(value, "WB_WL") == 0) {
ts->flash_type = STM32_FLASH_TYPE_WB_WL;
} else {
ts->flash_type = STM32_FLASH_TYPE_UNKNOWN;
}
} else if (strcmp(word, "flash_size_reg") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->flash_size_reg) < 1) {
fprintf(stderr, "Failed to parse flash size reg\n");
}
} else if (strcmp(word, "flash_pagesize") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->flash_pagesize) < 1) {
fprintf(stderr, "Failed to parse flash page size\n");
}
} else if (strcmp(word, "sram_size") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->sram_size) < 1) {
fprintf(stderr, "Failed to parse SRAM size\n");
}
} else if (strcmp(word, "bootrom_base") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->bootrom_base) < 1) {
fprintf(stderr, "Failed to parse BootROM base\n");
}
} else if (strcmp(word, "bootrom_size") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->bootrom_size) < 1) {
fprintf(stderr, "Failed to parse BootROM size\n");
}
} else if (strcmp(word, "option_base") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->option_base) < 1) {
fprintf(stderr, "Failed to parse option base\n");
}
} else if (strcmp(word, "option_size") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->option_size) < 1) {
fprintf(stderr, "Failed to parse option size\n");
}
} else if (strcmp(word, "flags") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
p = strtok(buf, " \t\n");
while ((p = strtok(NULL, " \t\n"))) {
if (strcmp(p, "none") == 0) {
// NOP
} else if (strcmp(p, "dualbank") == 0) {
ts->flags |= CHIP_F_HAS_DUAL_BANK;
} else if (strcmp(p, "swo") == 0) {
ts->flags |= CHIP_F_HAS_SWO_TRACING;
} else {
fprintf(stderr, "Unknown flags word in %s: '%s'\n", fname, p);
}
}
sscanf(value, "%x", &ts->flags);
} else if (strcmp(word, "otp_base") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->otp_base) < 1) {
fprintf(stderr, "Failed to parse option size\n");
}
} else if (strcmp(word, "otp_size") == 0) {
buf[strlen(buf) - 1] = 0; // chomp newline
sscanf(buf, "%*s %n", &nc);
if (sscanf(value, "%i", &ts->otp_size) < 1) {
fprintf(stderr, "Failed to parse option size\n");
}
} else {
fprintf(stderr, "Unknown keyword in %s: %s\n", fname, word);
}
}
fclose(fp);
ts->next = devicelist;
devicelist = ts;
}
#if defined(STLINK_HAVE_DIRENT_H)
#include <dirent.h>
void init_chipids(char *dir_to_scan) {
DIR *d;
uint32_t nl; // namelen
struct dirent *dir;
if (!dir_to_scan) {
dir_to_scan = "./";
}
devicelist = NULL;
d = opendir(dir_to_scan);
if (d) {
while ((dir = readdir(d)) != NULL) {
nl = strlen(dir->d_name);
if (strcmp(dir->d_name + nl - 5, ".chip") == 0) {
char buf[1024];
sprintf(buf, "%s/%s", dir_to_scan, dir->d_name);
process_chipfile(buf);
}
}
closedir(d);
} else {
perror(dir_to_scan);
return;
}
}
#endif // STLINK_HAVE_DIRENT_H
#if defined(_WIN32) && !defined(STLINK_HAVE_DIRENT_H)
#include <fileapi.h>
#include <strsafe.h>
void init_chipids(char *dir_to_scan) {
HANDLE hFind = INVALID_HANDLE_VALUE;
WIN32_FIND_DATAA ffd;
char filepath[MAX_PATH] = {0};
StringCchCopyA(filepath, STLINK_ARRAY_SIZE(filepath), dir_to_scan);
if (FAILED(
StringCchCatA(filepath, STLINK_ARRAY_SIZE(filepath), "\\*.chip"))) {
ELOG("Path to chips's dir too long.\n");
return;
}
hFind = FindFirstFileA(filepath, &ffd);
if (INVALID_HANDLE_VALUE == hFind) {
ELOG("Can't find any chip description file in %s.\n", filepath);
return;
}
do {
memset(filepath, 0, STLINK_ARRAY_SIZE(filepath));
StringCchCopyA(filepath, STLINK_ARRAY_SIZE(filepath), dir_to_scan);
StringCchCatA(filepath, STLINK_ARRAY_SIZE(filepath), "\\");
StringCchCatA(filepath, STLINK_ARRAY_SIZE(filepath), ffd.cFileName);
process_chipfile(filepath);
} while (FindNextFileA(hFind, &ffd) != 0);
FindClose(hFind);
}
#endif // defined(_WIN32) && !defined(STLINK_HAVE_DIRENT_H)
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