#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include "stlink-common.h"
+#include "uglylogging.h"
+
+static void __attribute__((unused)) mark_buf(stlink_t *sl) {
+ memset(sl->q_buf, 0, sizeof(sl->q_buf));
+ sl->q_buf[0] = 0xaa;
+ sl->q_buf[1] = 0xbb;
+ sl->q_buf[2] = 0xcc;
+ sl->q_buf[3] = 0xdd;
+ sl->q_buf[4] = 0x11;
+ sl->q_buf[15] = 0x22;
+ sl->q_buf[16] = 0x33;
+ sl->q_buf[63] = 0x44;
+ sl->q_buf[64] = 0x69;
+ sl->q_buf[1024 * 6 - 1] = 0x42; //6kB
+ sl->q_buf[1024 * 8 - 1] = 0x42; //8kB
+}
+
int main(int argc, char *argv[]) {
- // set scpi lib debug level: 0 for no debug info, 10 for lots
- char *dev_name;
-
- switch (argc) {
- case 1:
- fputs(
- "\nUsage: stlink-access-test /dev/sg0, sg1, ...\n"
- "\n*** Notice: The stlink firmware violates the USB standard.\n"
- "*** If you plug-in the discovery's stlink, wait a several\n"
- "*** minutes to let the kernel driver swallow the broken device.\n"
- "*** Watch:\ntail -f /var/log/messages\n"
- "*** This command sequence can shorten the waiting time and fix some issues.\n"
- "*** Unplug the stlink and execute once as root:\n"
- "modprobe -r usb-storage && modprobe usb-storage quirks=483:3744:lrwsro\n\n",
- stderr);
- return EXIT_FAILURE;
- case 2:
- dev_name = argv[1];
- break;
- default:
- fprintf(stderr, "bzzt\n");
- return EXIT_FAILURE;
- }
-
- stlink_t *sl = stlink_v1_open(dev_name, 99);
- if (sl == NULL)
- return EXIT_FAILURE;
-
- // we are in mass mode, go to swd
- stlink_enter_swd_mode(sl);
- stlink_current_mode(sl);
- stlink_core_id(sl);
- //----------------------------------------------------------------------
-
- stlink_status(sl);
- //stlink_force_debug(sl);
- stlink_reset(sl);
- stlink_status(sl);
+ /* Avoid unused parameter warning */
+ (void)argv;
+ // set scpi lib debug level: 0 for no debug info, 10 for lots
+
+ switch (argc) {
+ case 1:
+ fputs(
+ "\nUsage: stlink-access-test [anything at all] ...\n"
+ "\n*** Notice: The stlink firmware violates the USB standard.\n"
+ "*** Because we just use libusb, we can just tell the kernel's\n"
+ "*** driver to simply ignore the device...\n"
+ "*** Unplug the stlink and execute once as root:\n"
+ "modprobe -r usb-storage && modprobe usb-storage quirks=483:3744:i\n\n",
+ stderr);
+ return EXIT_FAILURE;
+ default:
+ break;
+ }
+
+ stlink_t *sl = stlink_v1_open(99, 1);
+ if (sl == NULL)
+ return EXIT_FAILURE;
+
+ // we are in mass mode, go to swd
+ stlink_enter_swd_mode(sl);
+ stlink_current_mode(sl);
+ stlink_core_id(sl);
+ //----------------------------------------------------------------------
+
+ stlink_status(sl);
+ //stlink_force_debug(sl);
+ stlink_reset(sl);
+ stlink_status(sl);
+ // core system control block
+ stlink_read_mem32(sl, 0xe000ed00, 4);
+ DLOG("cpu id base register: SCB_CPUID = got 0x%08x expect 0x411fc231\n", read_uint32(sl->q_buf, 0));
+ // no MPU
+ stlink_read_mem32(sl, 0xe000ed90, 4);
+ DLOG("mpu type register: MPU_TYPER = got 0x%08x expect 0x0\n", read_uint32(sl->q_buf, 0));
+
#if 0
- // core system control block
- stlink_read_mem32(sl, 0xe000ed00, 4);
- DD(sl, "cpu id base register: SCB_CPUID = got 0x%08x expect 0x411fc231", read_uint32(sl->q_buf, 0));
- // no MPU
- stlink_read_mem32(sl, 0xe000ed90, 4);
- DD(sl, "mpu type register: MPU_TYPER = got 0x%08x expect 0x0", read_uint32(sl->q_buf, 0));
-
- stlink_read_mem32(sl, 0xe000edf0, 4);
- DD(sl, "DHCSR = 0x%08x", read_uint32(sl->q_buf, 0));
-
- stlink_read_mem32(sl, 0x4001100c, 4);
- DD(sl, "GPIOC_ODR = 0x%08x", read_uint32(sl->q_buf, 0));
+ stlink_read_mem32(sl, 0xe000edf0, 4);
+ DD(sl, "DHCSR = 0x%08x", read_uint32(sl->q_buf, 0));
+
+ stlink_read_mem32(sl, 0x4001100c, 4);
+ DD(sl, "GPIOC_ODR = 0x%08x", read_uint32(sl->q_buf, 0));
#endif
#if 0
- // happy new year 2011: let blink all the leds
- // see "RM0041 Reference manual - STM32F100xx advanced ARM-based 32-bit MCUs"
+ // happy new year 2011: let blink all the leds
+ // see "RM0041 Reference manual - STM32F100xx advanced ARM-based 32-bit MCUs"
#define GPIOC 0x40011000 // port C
#define GPIOC_CRH (GPIOC + 0x04) // port configuration register high
#define GPIOC_ODR (GPIOC + 0x0c) // port output data register
#define LED_BLUE (1<<8) // pin 8
#define LED_GREEN (1<<9) // pin 9
- stlink_read_mem32(sl, GPIOC_CRH, 4);
- uint32_t io_conf = read_uint32(sl->q_buf, 0);
- DD(sl, "GPIOC_CRH = 0x%08x", io_conf);
-
- // set: general purpose output push-pull, output mode, max speed 10 MHz.
- write_uint32(sl->q_buf, 0x44444411);
- stlink_write_mem32(sl, GPIOC_CRH, 4);
-
- clear_buf(sl);
- for (int i = 0; i < 100; i++) {
- write_uint32(sl->q_buf, LED_BLUE | LED_GREEN);
- stlink_write_mem32(sl, GPIOC_ODR, 4);
- /* stlink_read_mem32(sl, 0x4001100c, 4); */
- /* DD(sl, "GPIOC_ODR = 0x%08x", read_uint32(sl->q_buf, 0)); */
- delay(100);
-
- clear_buf(sl);
- stlink_write_mem32(sl, GPIOC_ODR, 4); // PC lo
- delay(100);
- }
- write_uint32(sl->q_buf, io_conf); // set old state
+ stlink_read_mem32(sl, GPIOC_CRH, 4);
+ uint32_t io_conf = read_uint32(sl->q_buf, 0);
+ DLOG("GPIOC_CRH = 0x%08x\n", io_conf);
+
+ // set: general purpose output push-pull, output mode, max speed 10 MHz.
+ write_uint32(sl->q_buf, 0x44444411);
+ stlink_write_mem32(sl, GPIOC_CRH, 4);
+
+ memset(sl->q_buf, 0, sizeof(sl->q_buf));
+ for (int i = 0; i < 100; i++) {
+ write_uint32(sl->q_buf, LED_BLUE | LED_GREEN);
+ stlink_write_mem32(sl, GPIOC_ODR, 4);
+ /* stlink_read_mem32(sl, 0x4001100c, 4); */
+ /* DD(sl, "GPIOC_ODR = 0x%08x", read_uint32(sl->q_buf, 0)); */
+ usleep(100 * 1000);
+
+ memset(sl->q_buf, 0, sizeof(sl->q_buf));
+ stlink_write_mem32(sl, GPIOC_ODR, 4); // PC lo
+ usleep(100 * 1000);
+ }
+ write_uint32(sl->q_buf, io_conf); // set old state
#endif
#if 0
- // TODO rtfm: stlink doesn't have flash write routines
- // writing to the flash area confuses the fw for the next read access
-
- //stlink_read_mem32(sl, 0, 1024*6);
- // flash 0x08000000 128kB
- fputs("++++++++++ read a flash at 0x0800 0000\n", stderr);
- stlink_read_mem32(sl, 0x08000000, 1024 * 6); //max 6kB
- clear_buf(sl);
- stlink_read_mem32(sl, 0x08000c00, 5);
- stlink_read_mem32(sl, 0x08000c00, 4);
- mark_buf(sl);
- stlink_write_mem32(sl, 0x08000c00, 4);
- stlink_read_mem32(sl, 0x08000c00, 256);
- stlink_read_mem32(sl, 0x08000c00, 256);
+ // TODO rtfm: stlink doesn't have flash write routines
+ // writing to the flash area confuses the fw for the next read access
+
+ //stlink_read_mem32(sl, 0, 1024*6);
+ // flash 0x08000000 128kB
+ fputs("++++++++++ read a flash at 0x0800 0000\n", stderr);
+ stlink_read_mem32(sl, 0x08000000, 1024 * 6); //max 6kB
+ clear_buf(sl);
+ stlink_read_mem32(sl, 0x08000c00, 5);
+ stlink_read_mem32(sl, 0x08000c00, 4);
+ mark_buf(sl);
+ stlink_write_mem32(sl, 0x08000c00, 4);
+ stlink_read_mem32(sl, 0x08000c00, 256);
+ stlink_read_mem32(sl, 0x08000c00, 256);
#endif
#if 0
- // sram 0x20000000 8kB
- fputs("\n++++++++++ read/write 8bit, sram at 0x2000 0000 ++++++++++++++++\n\n", stderr);
- clear_buf(sl);
- stlink_write_mem8(sl, 0x20000000, 16);
-
- mark_buf(sl);
- stlink_write_mem8(sl, 0x20000000, 1);
- stlink_write_mem8(sl, 0x20000001, 1);
- stlink_write_mem8(sl, 0x2000000b, 3);
- stlink_read_mem32(sl, 0x20000000, 16);
+ // sram 0x20000000 8kB
+ fputs("\n++++++++++ read/write 8bit, sram at 0x2000 0000 ++++++++++++++++\n\n", stderr);
+ memset(sl->q_buf, 0, sizeof(sl->q_buf));
+ mark_buf(sl);
+ //stlink_write_mem8(sl, 0x20000000, 16);
+
+ //stlink_write_mem8(sl, 0x20000000, 1);
+ //stlink_write_mem8(sl, 0x20000001, 1);
+ stlink_write_mem8(sl, 0x2000000b, 3);
+ stlink_read_mem32(sl, 0x20000000, 16);
#endif
#if 0
- // a not aligned mem32 access doesn't work indeed
- fputs("\n++++++++++ read/write 32bit, sram at 0x2000 0000 ++++++++++++++++\n\n", stderr);
- clear_buf(sl);
- stlink_write_mem8(sl, 0x20000000, 32);
-
- mark_buf(sl);
- stlink_write_mem32(sl, 0x20000000, 1);
- stlink_read_mem32(sl, 0x20000000, 16);
- mark_buf(sl);
- stlink_write_mem32(sl, 0x20000001, 1);
- stlink_read_mem32(sl, 0x20000000, 16);
- mark_buf(sl);
- stlink_write_mem32(sl, 0x2000000b, 3);
- stlink_read_mem32(sl, 0x20000000, 16);
-
- mark_buf(sl);
- stlink_write_mem32(sl, 0x20000000, 17);
- stlink_read_mem32(sl, 0x20000000, 32);
+ // a not aligned mem32 access doesn't work indeed
+ fputs("\n++++++++++ read/write 32bit, sram at 0x2000 0000 ++++++++++++++++\n\n", stderr);
+ memset(sl->q_buf, 0, sizeof(sl->q_buf));
+ mark_buf(sl);
+ stlink_write_mem32(sl, 0x20000000, 1);
+ stlink_read_mem32(sl, 0x20000000, 16);
+ mark_buf(sl);
+ stlink_write_mem32(sl, 0x20000001, 1);
+ stlink_read_mem32(sl, 0x20000000, 16);
+ mark_buf(sl);
+ stlink_write_mem32(sl, 0x2000000b, 3);
+ stlink_read_mem32(sl, 0x20000000, 16);
+
+ mark_buf(sl);
+ stlink_write_mem32(sl, 0x20000000, 17);
+ stlink_read_mem32(sl, 0x20000000, 32);
#endif
#if 0
- // sram 0x20000000 8kB
- fputs("++++++++++ read/write 32bit, sram at 0x2000 0000 ++++++++++++\n", stderr);
- mark_buf(sl);
- stlink_write_mem8(sl, 0x20000000, 64);
- stlink_read_mem32(sl, 0x20000000, 64);
-
- mark_buf(sl);
- stlink_write_mem32(sl, 0x20000000, 1024 * 8); //8kB
- stlink_read_mem32(sl, 0x20000000, 1024 * 6);
- stlink_read_mem32(sl, 0x20000000 + 1024 * 6, 1024 * 2);
+ // sram 0x20000000 8kB
+ fputs("++++++++++ read/write 32bit, sram at 0x2000 0000 ++++++++++++\n", stderr);
+ memset(sl->q_buf, 0, sizeof(sl->q_buf));
+ mark_buf(sl);
+ stlink_write_mem8(sl, 0x20000000, 64);
+ stlink_read_mem32(sl, 0x20000000, 64);
+
+ mark_buf(sl);
+ stlink_write_mem32(sl, 0x20000000, 1024 * 8); //8kB
+ stlink_read_mem32(sl, 0x20000000, 1024 * 6);
+ stlink_read_mem32(sl, 0x20000000 + 1024 * 6, 1024 * 2);
#endif
-#if 0
- stlink_read_all_regs(sl);
- stlink_step(sl);
- fputs("++++++++++ write r0 = 0x12345678\n", stderr);
- stlink_write_reg(sl, 0x12345678, 0);
- stlink_read_reg(sl, 0);
- stlink_read_all_regs(sl);
+#if 1
+ reg regs;
+ stlink_read_all_regs(sl, ®s);
+ stlink_step(sl);
+ fputs("++++++++++ write r0 = 0x12345678\n", stderr);
+ stlink_write_reg(sl, 0x12345678, 0);
+ stlink_read_reg(sl, 0, ®s);
+ stlink_read_all_regs(sl, ®s);
#endif
#if 0
- stlink_run(sl);
- stlink_status(sl);
+ stlink_run(sl);
+ stlink_status(sl);
- stlink_force_debug(sl);
- stlink_status(sl);
+ stlink_force_debug(sl);
+ stlink_status(sl);
#endif
#if 0 /* read the system bootloader */
- fputs("\n++++++++++ reading bootloader ++++++++++++++++\n\n", stderr);
- stlink_fread(sl, "/tmp/barfoo", sl->sys_base, sl->sys_size);
+ fputs("\n++++++++++ reading bootloader ++++++++++++++++\n\n", stderr);
+ stlink_fread(sl, "/tmp/barfoo", sl->sys_base, sl->sys_size);
#endif
#if 0 /* read the flash memory */
- fputs("\n+++++++ read flash memory\n\n", stderr);
- /* mark_buf(sl); */
- stlink_read_mem32(sl, 0x08000000, 4);
+ fputs("\n+++++++ read flash memory\n\n", stderr);
+ /* mark_buf(sl); */
+ stlink_read_mem32(sl, 0x08000000, 4);
#endif
#if 0 /* flash programming */
- fputs("\n+++++++ program flash memory\n\n", stderr);
- stlink_fwrite_flash(sl, "/tmp/foobar", 0x08000000);
+ fputs("\n+++++++ program flash memory\n\n", stderr);
+ stlink_fwrite_flash(sl, "/tmp/foobar", 0x08000000);
#endif
#if 0 /* check file contents */
- fputs("\n+++++++ check flash memory\n\n", stderr);
- {
- const int res = stlink_fcheck_flash(sl, "/tmp/foobar", 0x08000000);
- printf("_____ stlink_fcheck_flash() == %d\n", res);
- }
+ fputs("\n+++++++ check flash memory\n\n", stderr);
+ {
+ const int res = stlink_fcheck_flash(sl, "/tmp/foobar", 0x08000000);
+ printf("_____ stlink_fcheck_flash() == %d\n", res);
+ }
#endif
#if 0
- fputs("\n+++++++ sram write and execute\n\n", stderr);
- stlink_fwrite_sram(sl, "/tmp/foobar", sl->sram_base);
- stlink_run_at(sl, sl->sram_base);
+ fputs("\n+++++++ sram write and execute\n\n", stderr);
+ stlink_fwrite_sram(sl, "/tmp/foobar", sl->sram_base);
+ stlink_run_at(sl, sl->sram_base);
#endif
#if 0
- stlink_run(sl);
- stlink_status(sl);
- //----------------------------------------------------------------------
- // back to mass mode, just in case ...
- stlink_exit_debug_mode(sl);
- stlink_current_mode(sl);
- stlink_close(sl);
+ stlink_run(sl);
+ stlink_status(sl);
+ //----------------------------------------------------------------------
+ // back to mass mode, just in case ...
+ stlink_exit_debug_mode(sl);
+ stlink_current_mode(sl);
+ stlink_close(sl);
#endif
- //fflush(stderr); fflush(stdout);
- return EXIT_SUCCESS;
+ //fflush(stderr); fflush(stdout);
+ return EXIT_SUCCESS;
}
projects / fw / stlink / blobdiff