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| author | Scott Shawcroft <scott@adafruit.com> | 2021-03-03 08:43:57 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-03 08:43:57 -0800 |
| commit | 1d8933dd0587124e9243e4edca0117c6ff3e5dfc (patch) | |
| tree | 386226c9714b268b6eb6957f428dcb6d0f31451b | |
| parent | 55e41d43eb5490e0687d177b72ab9a313b204bdb (diff) | |
| parent | 8bf5dd93c1f54b0afb70d3ff529e45f373a2298a (diff) | |
Merge pull request #4265 from DavePutz/pio_soft_reset
Clear out PIOs and State Machines on RP2040 soft reset
| -rw-r--r-- | ports/raspberrypi/common-hal/rp2pio/StateMachine.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ports/raspberrypi/common-hal/rp2pio/StateMachine.c b/ports/raspberrypi/common-hal/rp2pio/StateMachine.c index 54c5220e7..e81d721c6 100644 --- a/ports/raspberrypi/common-hal/rp2pio/StateMachine.c +++ b/ports/raspberrypi/common-hal/rp2pio/StateMachine.c @@ -34,6 +34,7 @@ #include "src/rp2_common/hardware_dma/include/hardware/dma.h" #include "src/rp2_common/hardware_pio/include/hardware/pio_instructions.h" #include "src/rp2040/hardware_structs/include/hardware/structs/iobank0.h" +#include "src/rp2_common/hardware_irq/include/hardware/irq.h" #include "lib/utils/interrupt_char.h" #include "py/obj.h" @@ -101,6 +102,13 @@ void reset_rp2pio_statemachine(void) { _reset_statemachine(pio, j, false); } } + for (uint8_t irq=PIO0_IRQ_0; irq <= PIO1_IRQ_1; irq++) { + irq_handler_t int_handler = irq_get_exclusive_handler(irq); + if (int_handler > 0) { + irq_set_enabled (irq, false); + irq_remove_handler(irq,int_handler); + } + } } STATIC uint32_t _check_pins_free(const mcu_pin_obj_t * first_pin, uint8_t pin_count, bool exclusive_pin_use) { |