to your /etc/modprobe.conf or /etc/modprobe.d/local.conf (or add the "quirks=..."
part to an existing options line for usb-storage).
+
+ https://wiki.kubuntu.org/Kernel/Debugging/USB explains the protocoll and
+ would allow to replace the sg access to pure libusb access
*/
// TODO thinking, cleanup
-void stlink_parse_version(stlink_t *stl) {
- struct stlink_libsg *sl = stl->backend_data;
- sl->st_vid = 0;
- sl->stlink_pid = 0;
- if (stl->q_len <= 0) {
- fprintf(stderr, "Error: could not parse the stlink version");
- return;
- }
- stlink_print_data(stl);
- uint32_t b0 = stl->q_buf[0]; //lsb
- uint32_t b1 = stl->q_buf[1];
- uint32_t b2 = stl->q_buf[2];
- uint32_t b3 = stl->q_buf[3];
- uint32_t b4 = stl->q_buf[4];
- uint32_t b5 = stl->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
-
- sl->stlink_v = (b0 & 0xf0) >> 4;
- sl->jtag_v = ((b0 & 0x0f) << 2) | ((b1 & 0xc0) >> 6);
- sl->swim_v = b1 & 0x3f;
- sl->st_vid = (b3 << 8) | b2;
- sl->stlink_pid = (b5 << 8) | b4;
-
- if (stl->verbose < 2)
- return;
-
- DD(stl, "st vid = 0x%04x (expect 0x%04x)\n",
- sl->st_vid, USB_ST_VID);
- DD(stl, "stlink pid = 0x%04x (expect 0x%04x)\n",
- sl->stlink_pid, USB_STLINK_PID);
- DD(stl, "stlink version = 0x%x\n", sl->stlink_v);
- DD(stl, "jtag version = 0x%x\n", sl->jtag_v);
- DD(stl, "swim version = 0x%x\n", sl->swim_v);
- if (sl->jtag_v == 0)
- DD(stl,
- " notice: the firmware doesn't support a jtag/swd interface\n");
- if (sl->swim_v == 0)
- DD(stl,
- " notice: the firmware doesn't support a swim interface\n");
-
-}
-
void stlink_stat(stlink_t *stl, char *txt) {
if (stl->q_len <= 0)
return;
stl->q_len = 6;
sl->q_addr = 0;
stlink_q(stl);
- stlink_parse_version(stl);
}
// Get stlink mode:
// Force the core into the debug mode -> halted state.
-void stlink_force_debug(stlink_t *sl) {
+void _stlink_sg_force_debug(stlink_t *sl) {
struct stlink_libsg *sg = sl->backend_data;
D(sl, "\n*** stlink_force_debug ***\n");
clear_cdb(sg);
_stlink_sg_read_reg,
_stlink_sg_write_reg,
_stlink_sg_step,
- _stlink_sg_current_mode
+ _stlink_sg_current_mode,
+ _stlink_sg_force_debug
};
stlink_t* stlink_open(const char *dev_name, const int verbose) {