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feat(rmt_tx): allow to switch gpio in tx channal

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This commit is contained in:
Chen Jichang
2025-04-09 12:03:22 +08:00
parent 486dfdeddb
commit d8058158ea
5 changed files with 140 additions and 19 deletions
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8
components/driver/rmt/rmt_rx.c
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@@ -379,7 +379,7 @@ esp_err_t rmt_receive(rmt_channel_handle_t channel, void *buffer, size_t buffer_
// check if we're in a proper state to start the receiver
rmt_fsm_t expected_fsm = RMT_FSM_ENABLE;
ESP_RETURN_ON_FALSE_ISR(atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_RUN_WAIT),
ESP_RETURN_ON_FALSE_ISR(atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_WAIT),
ESP_ERR_INVALID_STATE, TAG, "channel not in enable state");
// fill in the transaction descriptor
@@ -460,7 +460,7 @@ static esp_err_t rmt_rx_enable(rmt_channel_handle_t channel)
{
// can only enable the channel when it's in "init" state
rmt_fsm_t expected_fsm = RMT_FSM_INIT;
ESP_RETURN_ON_FALSE(atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_ENABLE_WAIT),
ESP_RETURN_ON_FALSE(atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_WAIT),
ESP_ERR_INVALID_STATE, TAG, "channel not in init state");
rmt_group_t *group = channel->group;
@@ -496,11 +496,11 @@ static esp_err_t rmt_rx_disable(rmt_channel_handle_t channel)
// can disable the channel when it's in `enable` or `run` state
bool valid_state = false;
rmt_fsm_t expected_fsm = RMT_FSM_ENABLE;
if (atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_INIT_WAIT)) {
if (atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_WAIT)) {
valid_state = true;
}
expected_fsm = RMT_FSM_RUN;
if (atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_INIT_WAIT)) {
if (atomic_compare_exchange_strong(&channel->fsm, &expected_fsm, RMT_FSM_WAIT)) {
valid_state = true;
}
ESP_RETURN_ON_FALSE(valid_state, ESP_ERR_INVALID_STATE, TAG, "channel not in enable or run state");