stlink: replace odr register for the isol variant

blackmagic-debug · Jan 25, 2024 · c0bf9e4 · c0bf9e4
1 parent 74e14c3
commit c0bf9e4
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/src/platforms/stlink/platform.h b/src/platforms/stlink/platform.h
@@ -82,19 +82,20 @@ extern bool debug_bmp;
 #define SWD_CR GPIO_CRH(SWDIO_PORT)
 #define SWD_CR_MULT (1U << ((14U - 8U) << 2U))
 
-#define SWDIODIR_ODR GPIO_ODR(GPIOA)
+#define SWDIODIR_BSRR GPIO_BSRR(GPIOA)
+#define SWDIODIR_BRR GPIO_BRR(GPIOA)
 
 #define TMS_SET_MODE() gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN);
 
 #ifdef STLINK_V2_ISOL
 /* The ISOL variant floats SWDIO with GPIO A1 */
-#define SWDIO_MODE_FLOAT()  \
- do {  \
- SWDIODIR_ODR |= (GPIO1); \
+#define SWDIO_MODE_FLOAT() \
+ do { \
+ SWDIODIR_BSRR = GPIO1; \
  } while (0)
-#define SWDIO_MODE_DRIVE()  \
- do {  \
- SWDIODIR_ODR &= ~(GPIO1); \
+#define SWDIO_MODE_DRIVE() \
+ do { \
+ SWDIODIR_BRR = GPIO1; \
  } while (0)
 #else
 /* All other variants just set SWDIO_PIN to floating */