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};
22 static void usage(void)
24 puts("stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size>");
25 puts("stlinkv1 command line: ./flash /dev/sgX erase");
26 puts("stlinkv2 command line: ./flash {read|write} path addr <size>");
27 puts("stlinkv2 command line: ./flash erase");
28 puts(" use hex format for addr and <size>");
31 static int get_opts(struct opts* o, int ac, char** av)
33 /* stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size> */
34 /* stlinkv2 command line: ./flash {read|write} path addr <size> */
38 if (ac < 1) return -1;
43 if (strcmp(av[0], "erase") == 0)
55 if (ac < 3) return -1;
56 if (strcmp(av[0], "read") == 0)
67 o->size = strtoul(av[i + 3], NULL, 16);
69 else if (strcmp(av[0], "write") == 0)
86 o->filename = av[i + 1];
87 o->addr = strtoul(av[i + 2], NULL, 16);
93 int main(int ac, char** av)
100 if (get_opts(&o, ac - 1, av + 1) == -1)
102 printf("invalid command line\n");
107 if (o.devname != NULL) /* stlinkv1 */
109 sl = stlink_v1_open(50);
110 if (sl == NULL) goto on_error;
115 sl = stlink_open_usb(50);
116 if (sl == NULL) goto on_error;
120 if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE)
121 stlink_exit_dfu_mode(sl);
123 if (stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
124 stlink_enter_swd_mode(sl);
126 // Disable DMA - Set All DMA CCR Registers to zero. - AKS 1/7/2013
127 memset(sl->q_buf,0,4);
128 for (int i=0;i<8;i++) {
129 stlink_write_mem32(sl,0x40026000+0x10+0x18*i,4);
130 stlink_write_mem32(sl,0x40026400+0x10+0x18*i,4);
131 stlink_write_mem32(sl,0x40026000+0x24+0x18*i,4);
132 stlink_write_mem32(sl,0x40026400+0x24+0x18*i,4);
134 if (o.cmd == DO_WRITE) /* write */
136 if ((o.addr >= sl->flash_base) &&
137 (o.addr < sl->flash_base + sl->flash_size)) {
138 err = stlink_fwrite_flash(sl, o.filename, o.addr);
141 printf("stlink_fwrite_flash() == -1\n");
145 else if ((o.addr >= sl->sram_base) &&
146 (o.addr < sl->sram_base + sl->sram_size))
147 err = stlink_fwrite_sram(sl, o.filename, o.addr);
150 printf("stlink_sram_flash() == -1\n");
154 else if (o.cmd == DO_ERASE)
156 err = stlink_erase_flash_mass(sl);
159 printf("stlink_fwrite_flash() == -1\n");
165 if ((o.addr >= sl->flash_base) && (o.size == 0) &&
166 (o.addr < sl->flash_base + sl->flash_size))
167 o.size = sl->flash_size;
168 else if ((o.addr >= sl->sram_base) && (o.size == 0) &&
169 (o.addr < sl->sram_base + sl->sram_size))
170 o.size = sl->sram_size;
171 err = stlink_fread(sl, o.filename, o.addr, o.size);
174 printf("stlink_fread() == -1\n");
185 stlink_exit_debug_mode(sl);