void stlink_close(stlink_t *sl) {
D(sl, "\n*** stlink_close ***\n");
sl->backend->close(sl);
-
free(sl);
}
sl->backend->enter_swd_mode(sl);
}
+// Force the core into the debug mode -> halted state.
+void stlink_force_debug(stlink_t *sl) {
+ D(sl, "\n*** stlink_force_debug_mode ***\n");
+ sl->backend->force_debug(sl);
+}
+
void stlink_exit_dfu_mode(stlink_t *sl) {
D(sl, "\n*** stlink_exit_dfu_mode ***\n");
sl->backend->exit_dfu_mode(sl);
}
-void stlink_core_id(stlink_t *sl) {
+uint32_t stlink_core_id(stlink_t *sl) {
D(sl, "\n*** stlink_core_id ***\n");
sl->backend->core_id(sl);
+ if (sl->verbose > 2)
+ stlink_print_data(sl);
DD(sl, "core_id = 0x%08x\n", sl->core_id);
+ return sl->core_id;
+}
+
+uint16_t stlink_chip_id(stlink_t *sl) {
+ stlink_read_mem32(sl, 0xE0042000, 4);
+ uint32_t chip_id = sl->q_buf[0] | (sl->q_buf[1] << 8) | (sl->q_buf[2] << 16) |
+ (sl->q_buf[3] << 24);
+ return chip_id;
+}
+
+/**
+ * Cortex m3 tech ref manual, CPUID register description
+ * @param sl stlink context
+ * @param cpuid pointer to the result object
+ */
+void stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid) {
+ stlink_read_mem32(sl, CM3_REG_CPUID, 4);
+ uint32_t raw = read_uint32(sl->q_buf, 0);
+ cpuid->implementer_id = (raw >> 24) & 0x7f;
+ cpuid->variant = (raw >> 20) & 0xf;
+ cpuid->part = (raw >> 4) & 0xfff;
+ cpuid->revision = raw & 0xf;
+ return;
}
void stlink_reset(stlink_t *sl) {
D(sl, "\n*** stlink_reset ***\n");
sl->backend->reset(sl);
-
}
void stlink_run(stlink_t *sl) {
stlink_core_stat(sl);
}
+/**
+ * Decode the version bits, originally from -sg, verified with usb
+ * @param sl stlink context, assumed to contain valid data in the buffer
+ * @param slv output parsed version object
+ */
+void _parse_version(stlink_t *sl, stlink_version_t *slv) {
+ uint32_t b0 = sl->q_buf[0]; //lsb
+ uint32_t b1 = sl->q_buf[1];
+ uint32_t b2 = sl->q_buf[2];
+ uint32_t b3 = sl->q_buf[3];
+ uint32_t b4 = sl->q_buf[4];
+ uint32_t b5 = sl->q_buf[5]; //msb
+
+ // b0 b1 || b2 b3 | b4 b5
+ // 4b | 6b | 6b || 2B | 2B
+ // stlink_v | jtag_v | swim_v || st_vid | stlink_pid
+
+ slv->stlink_v = (b0 & 0xf0) >> 4;
+ slv->jtag_v = ((b0 & 0x0f) << 2) | ((b1 & 0xc0) >> 6);
+ slv->swim_v = b1 & 0x3f;
+ slv->st_vid = (b3 << 8) | b2;
+ slv->stlink_pid = (b5 << 8) | b4;
+ return;
+}
+
void stlink_version(stlink_t *sl) {
D(sl, "*** looking up stlink version\n");
+ stlink_version_t slv;
sl->backend->version(sl);
+ _parse_version(sl, &slv);
+
+ DD(sl, "st vid = 0x%04x (expect 0x%04x)\n", slv.st_vid, USB_ST_VID);
+ DD(sl, "stlink pid = 0x%04x\n", slv.stlink_pid);
+ DD(sl, "stlink version = 0x%x\n", slv.stlink_v);
+ DD(sl, "jtag version = 0x%x\n", slv.jtag_v);
+ DD(sl, "swim version = 0x%x\n", slv.swim_v);
+ if (slv.jtag_v == 0) {
+ DD(sl, " notice: the firmware doesn't support a jtag/swd interface\n");
+ }
+ if (slv.swim_v == 0) {
+ DD(sl, " notice: the firmware doesn't support a swim interface\n");
+ }
}
void stlink_write_mem32(stlink_t *sl, uint32_t addr, uint16_t len) {
sl->backend->write_mem8(sl, addr, len);
}
-void stlink_read_all_reg(stlink_t *sl) {
- D(sl, "\n*** stlink_read_all_reg ***\n");
- sl->backend->read_all_reg(sl);
+void stlink_read_all_regs(stlink_t *sl, reg *regp) {
+ D(sl, "\n*** stlink_read_all_regs ***\n");
+ sl->backend->read_all_regs(sl, regp);
}
void stlink_write_reg(stlink_t *sl, uint32_t reg, int idx) {
}
int stlink_current_mode(stlink_t *sl) {
- D(sl, "\n*** stlink_current_mode ***\n");
int mode = sl->backend->current_mode(sl);
- stlink_print_data(sl);
switch (mode) {
case STLINK_DEV_DFU_MODE:
- DD(sl, "stlink mode: dfu\n");
+ DD(sl, "stlink current mode: dfu\n");
return mode;
case STLINK_DEV_DEBUG_MODE:
- DD(sl, "stlink mode: debug (jtag or swd)\n");
+ DD(sl, "stlink current mode: debug (jtag or swd)\n");
return mode;
case STLINK_DEV_MASS_MODE:
- DD(sl, "stlink mode: mass\n");
+ DD(sl, "stlink current mode: mass\n");
return mode;
}
DD(sl, "stlink mode: unknown!\n");