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stlink: replace odr register for the isol variant #1746

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dragonmux merged 1 commit into from
Jan 25, 2024
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stlink: replace odr register for the isol variant #1746

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15 changes: 8 additions & 7 deletions src/platforms/stlink/platform.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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 */
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