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rp2/machine_i2s: Deinit all active I2S instances on soft reset.

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Add `machine_i2s_deinit_all` to teardown any active I2S instances on soft
reset.  Prior to this fix, code using I2S required a try/finally in order
to avoid a hard fault on soft reset.

Fixes issue #14339.

Signed-off-by: Phil Howard <phil@gadgetoid.com>
This commit is contained in:
Phil Howard
2024-08-02 14:16:57 +01:00
committed by Damien George
parent ad3552ae2c
commit d2e33fe309
3 changed files with 11 additions and 0 deletions
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9
ports/rp2/machine_i2s.c
View File

@@ -171,6 +171,15 @@ void machine_i2s_init0(void) {
}
}
void machine_i2s_deinit_all(void) {
for (uint8_t i = 0; i < MAX_I2S_RP2; i++) {
machine_i2s_obj_t *i2s = MP_STATE_PORT(machine_i2s_obj[i]);
if (i2s) {
mp_machine_i2s_deinit(i2s);
}
}
}
static int8_t get_frame_mapping_index(int8_t bits, format_t format) {
if (format == MONO) {
if (bits == 16) {

1
ports/rp2/main.c
View File

@@ -214,6 +214,7 @@ int main(int argc, char **argv) {
#if MICROPY_PY_NETWORK
mod_network_deinit();
#endif
machine_i2s_deinit_all();
rp2_dma_deinit();
rp2_pio_deinit();
#if MICROPY_PY_BLUETOOTH

1
ports/rp2/modmachine.h
View File

@@ -6,6 +6,7 @@
void machine_pin_init(void);
void machine_pin_deinit(void);
void machine_i2s_init0(void);
void machine_i2s_deinit_all(void);
void machine_pwm_deinit_all(void);
struct _machine_spi_obj_t *spi_from_mp_obj(mp_obj_t o);