#include <sys/stat.h>
#include <sys/mman.h>
+#include "stlink-common.h"
+
+#if CONFIG_USE_LIBSG
// sgutils2 (apt-get install libsgutils2-dev)
#include <scsi/sg_lib.h>
#include <scsi/sg_pt.h>
-
-#include "stlink-common.h"
#include "stlink-sg.h"
+#endif
// Suspends execution of the calling process for
if (sl) {
struct stlink_libsg *slsg = sl->backend_data;
scsi_pt_close_device(slsg->sg_fd);
- // CAUTION!? s this right?
free(slsg);
- free(sl);
}
}
}
}
+
+static void 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;
+ }
+
+ 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;
+}
+
void _stlink_sg_version(stlink_t *stl) {
struct stlink_libsg *sl = stl->backend_data;
D(stl, "\n*** stlink_version ***\n");
stl->q_len = 6;
sl->q_addr = 0;
stlink_q(stl);
+ parse_version(stl);
}
// Get stlink mode:
stlink_version(sl);
struct stlink_libsg *sg = sl->backend_data;
- if (sg->st_vid != USB_ST_VID || sg->stlink_pid != USB_STLINK_PID) {
+ if ((sg->st_vid != USB_ST_VID) || (sg->stlink_pid != USB_STLINK_PID)) {
fprintf(stderr, "Error: the device %s is not a stlink\n",
dev_name);
fprintf(stderr, " VID: got %04x expect %04x \n",