diff options
| author | iabdalkader | 2018-02-24 01:11:50 +0200 |
|---|---|---|
| committer | Damien George | 2018-03-09 15:12:34 +1100 |
| commit | 6d3f42f7139b702660ea41ef3994c05323e70307 (patch) | |
| tree | d4ec5300f208fd2629b391978014730f0e668f7f /ports/stm32/extint.c | |
| parent | 711f817c2a6e9ac0321c93b44042d32482e7fdf3 (diff) | |
stm32/extint: Add EXTI support for H7 MCUs.
Diffstat (limited to 'ports/stm32/extint.c')
| -rw-r--r-- | ports/stm32/extint.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/ports/stm32/extint.c b/ports/stm32/extint.c index 423af2ac3..be4d20bb4 100644 --- a/ports/stm32/extint.c +++ b/ports/stm32/extint.c @@ -97,6 +97,11 @@ #define EXTI_Mode_Event offsetof(EXTI_TypeDef, EMR1) #define EXTI_RTSR EXTI->RTSR1 #define EXTI_FTSR EXTI->FTSR1 +#elif defined(STM32H7) +#define EXTI_Mode_Interrupt offsetof(EXTI_Core_TypeDef, IMR1) +#define EXTI_Mode_Event offsetof(EXTI_Core_TypeDef, EMR1) +#define EXTI_RTSR EXTI->RTSR1 +#define EXTI_FTSR EXTI->FTSR1 #else #define EXTI_Mode_Interrupt offsetof(EXTI_TypeDef, IMR) #define EXTI_Mode_Event offsetof(EXTI_TypeDef, EMR) @@ -277,13 +282,21 @@ void extint_enable(uint line) { if (line >= EXTI_NUM_VECTORS) { return; } - #if defined(MCU_SERIES_F7) + #if defined(MCU_SERIES_F7) || defined(STM32H7) // The Cortex-M7 doesn't have bitband support. mp_uint_t irq_state = disable_irq(); if (pyb_extint_mode[line] == EXTI_Mode_Interrupt) { + #if defined(STM32H7) + EXTI_D1->IMR1 |= (1 << line); + #else EXTI->IMR |= (1 << line); + #endif } else { + #if defined(STM32H7) + EXTI_D1->EMR1 |= (1 << line); + #else EXTI->EMR |= (1 << line); + #endif } enable_irq(irq_state); #else @@ -299,11 +312,16 @@ void extint_disable(uint line) { return; } - #if defined(MCU_SERIES_F7) + #if defined(MCU_SERIES_F7) || defined(STM32H7) // The Cortex-M7 doesn't have bitband support. mp_uint_t irq_state = disable_irq(); + #if defined(STM32H7) + EXTI_D1->IMR1 &= ~(1 << line); + EXTI_D1->EMR1 &= ~(1 << line); + #else EXTI->IMR &= ~(1 << line); EXTI->EMR &= ~(1 << line); + #endif enable_irq(irq_state); #else // Since manipulating IMR/EMR is a read-modify-write, and we want this to @@ -319,7 +337,7 @@ void extint_swint(uint line) { return; } // we need 0 to 1 transition to trigger the interrupt -#if defined(MCU_SERIES_L4) +#if defined(MCU_SERIES_L4) || defined(STM32H7) EXTI->SWIER1 &= ~(1 << line); EXTI->SWIER1 |= (1 << line); #else @@ -381,6 +399,25 @@ STATIC mp_obj_t extint_regs(void) { printf("EXTI_SWIER2 %08lx\n", EXTI->SWIER2); printf("EXTI_PR1 %08lx\n", EXTI->PR1); printf("EXTI_PR2 %08lx\n", EXTI->PR2); + #elif defined(STM32H7) + printf("EXTI_IMR1 %08lx\n", EXTI_D1->IMR1); + printf("EXTI_IMR2 %08lx\n", EXTI_D1->IMR2); + printf("EXTI_IMR3 %08lx\n", EXTI_D1->IMR3); + printf("EXTI_EMR1 %08lx\n", EXTI_D1->EMR1); + printf("EXTI_EMR2 %08lx\n", EXTI_D1->EMR2); + printf("EXTI_EMR3 %08lx\n", EXTI_D1->EMR3); + printf("EXTI_RTSR1 %08lx\n", EXTI->RTSR1); + printf("EXTI_RTSR2 %08lx\n", EXTI->RTSR2); + printf("EXTI_RTSR3 %08lx\n", EXTI->RTSR3); + printf("EXTI_FTSR1 %08lx\n", EXTI->FTSR1); + printf("EXTI_FTSR2 %08lx\n", EXTI->FTSR2); + printf("EXTI_FTSR3 %08lx\n", EXTI->FTSR3); + printf("EXTI_SWIER1 %08lx\n", EXTI->SWIER1); + printf("EXTI_SWIER2 %08lx\n", EXTI->SWIER2); + printf("EXTI_SWIER3 %08lx\n", EXTI->SWIER3); + printf("EXTI_PR1 %08lx\n", EXTI_D1->PR1); + printf("EXTI_PR2 %08lx\n", EXTI_D1->PR2); + printf("EXTI_PR3 %08lx\n", EXTI_D1->PR3); #else printf("EXTI_IMR %08lx\n", EXTI->IMR); printf("EXTI_EMR %08lx\n", EXTI->EMR); |