diff options
Diffstat (limited to 'ports/esp8266/machine_pin.c')
| -rw-r--r-- | ports/esp8266/machine_pin.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/ports/esp8266/machine_pin.c b/ports/esp8266/machine_pin.c index 4e74ad652..419ee87a7 100644 --- a/ports/esp8266/machine_pin.c +++ b/ports/esp8266/machine_pin.c @@ -59,6 +59,9 @@ typedef struct _pin_irq_obj_t { uint16_t phys_port; } pin_irq_obj_t; +STATIC void pin_intr_handler_part1(void *arg); +STATIC void pin_intr_handler_part2(uint32_t status); + const pyb_pin_obj_t pyb_pin_obj[16 + 1] = { {{&pyb_pin_type}, 0, FUNC_GPIO0, PERIPHS_IO_MUX_GPIO0_U}, {{&pyb_pin_type}, 1, FUNC_GPIO1, PERIPHS_IO_MUX_U0TXD_U}, @@ -88,7 +91,7 @@ STATIC const pin_irq_obj_t pin_irq_obj[16]; void pin_init0(void) { ETS_GPIO_INTR_DISABLE(); - ETS_GPIO_INTR_ATTACH(pin_intr_handler_iram, NULL); + ETS_GPIO_INTR_ATTACH(pin_intr_handler_part1, NULL); // disable all interrupts memset(&MP_STATE_PORT(pin_irq_handler)[0], 0, 16 * sizeof(mp_obj_t)); for (int p = 0; p < 16; ++p) { @@ -98,7 +101,13 @@ void pin_init0(void) { ETS_GPIO_INTR_ENABLE(); } -void MP_FASTCODE(pin_intr_handler)(uint32_t status) { +void MP_FASTCODE(pin_intr_handler_part1)(void *arg) { + uint32_t status = GPIO_REG_READ(GPIO_STATUS_ADDRESS); + GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, status); + pin_intr_handler_part2(status); +} + +void MP_FASTCODE(pin_intr_handler_part2)(uint32_t status) { status &= 0xffff; for (int p = 0; status; ++p, status >>= 1) { if (status & 1) { @@ -478,7 +487,7 @@ STATIC const pin_irq_obj_t pin_irq_obj[16] = { STATIC mp_obj_t pin_irq_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) { pin_irq_obj_t *self = self_in; mp_arg_check_num(n_args, n_kw, 0, 0, false); - pin_intr_handler(1 << self->phys_port); + pin_intr_handler_part2(1 << self->phys_port); return mp_const_none; } |