1 /* simple wrapper around the stlink_flash_write function */
3 // TODO - this should be done as just a simple flag to the st-util command line...
10 #include "stlink-common.h"
12 enum st_cmds {DO_WRITE = 0, DO_READ = 1, DO_ERASE = 2};
23 static void usage(void)
25 puts("stlinkv1 command line: ./flash [--reset] {read|write} /dev/sgX path addr <size>");
26 puts("stlinkv1 command line: ./flash /dev/sgX erase");
27 puts("stlinkv2 command line: ./flash [--reset] {read|write} path addr <size>");
28 puts("stlinkv2 command line: ./flash erase");
29 puts(" use hex format for addr and <size>");
32 static int get_opts(struct opts* o, int ac, char** av)
34 /* stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size> */
35 /* stlinkv2 command line: ./flash {read|write} path addr <size> */
39 if (ac < 1) return -1;
41 if (strcmp(av[0], "--reset") == 0)
52 if (ac < 1) return -1;
57 if (strcmp(av[0], "erase") == 0)
69 if (ac < 3) return -1;
70 if (strcmp(av[0], "read") == 0)
81 o->size = strtoul(av[i + 3], NULL, 16);
83 else if (strcmp(av[0], "write") == 0)
100 o->filename = av[i + 1];
101 o->addr = strtoul(av[i + 2], NULL, 16);
107 int main(int ac, char** av)
114 if (get_opts(&o, ac - 1, av + 1) == -1)
116 printf("invalid command line\n");
121 if (o.devname != NULL) /* stlinkv1 */
123 sl = stlink_v1_open(50, 1);
124 if (sl == NULL) goto on_error;
129 sl = stlink_open_usb(50, 1);
130 if (sl == NULL) goto on_error;
134 if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE)
135 stlink_exit_dfu_mode(sl);
137 if (stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
138 stlink_enter_swd_mode(sl);
143 // Disable DMA - Set All DMA CCR Registers to zero. - AKS 1/7/2013
144 if (sl->chip_id == STM32_CHIPID_F4)
146 memset(sl->q_buf,0,4);
147 for (int i=0;i<8;i++) {
148 stlink_write_mem32(sl,0x40026000+0x10+0x18*i,4);
149 stlink_write_mem32(sl,0x40026400+0x10+0x18*i,4);
150 stlink_write_mem32(sl,0x40026000+0x24+0x18*i,4);
151 stlink_write_mem32(sl,0x40026400+0x24+0x18*i,4);
154 if (o.cmd == DO_WRITE) /* write */
156 if ((o.addr >= sl->flash_base) &&
157 (o.addr < sl->flash_base + sl->flash_size)) {
158 err = stlink_fwrite_flash(sl, o.filename, o.addr);
161 printf("stlink_fwrite_flash() == -1\n");
165 else if ((o.addr >= sl->sram_base) &&
166 (o.addr < sl->sram_base + sl->sram_size)) {
167 err = stlink_fwrite_sram(sl, o.filename, o.addr);
170 printf("stlink_sram_flash() == -1\n");
174 } else if (o.cmd == DO_ERASE)
176 err = stlink_erase_flash_mass(sl);
179 printf("stlink_fwrite_flash() == -1\n");
185 if ((o.addr >= sl->flash_base) && (o.size == 0) &&
186 (o.addr < sl->flash_base + sl->flash_size))
187 o.size = sl->flash_size;
188 else if ((o.addr >= sl->sram_base) && (o.size == 0) &&
189 (o.addr < sl->sram_base + sl->sram_size))
190 o.size = sl->sram_size;
191 err = stlink_fread(sl, o.filename, o.addr, o.size);
194 printf("stlink_fread() == -1\n");
208 stlink_exit_debug_mode(sl);