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i2s: fix tx incomplete auto clear

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Closes: https://github.com/espressif/esp-idf/issues/9882
This commit is contained in:
laokaiyao
2022-10-12 19:53:52 +08:00
parent 9269a536ac
commit 4853d6319e
1 changed files with 9 additions and 9 deletions
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18
components/driver/i2s.c
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@ -399,9 +399,6 @@ static bool IRAM_ATTR i2s_dma_tx_callback(gdma_channel_handle_t dma_chan, gdma_e
if (xQueueIsQueueFullFromISR(p_i2s->tx->queue)) { if (xQueueIsQueueFullFromISR(p_i2s->tx->queue)) {
xQueueReceiveFromISR(p_i2s->tx->queue, &dummy, &tmp); xQueueReceiveFromISR(p_i2s->tx->queue, &dummy, &tmp);
need_awoke |= tmp; need_awoke |= tmp;
if (p_i2s->tx_desc_auto_clear) {
memset((void *) dummy, 0, p_i2s->tx->buf_size);
}
if (p_i2s->i2s_queue) { if (p_i2s->i2s_queue) {
i2s_event.type = I2S_EVENT_TX_Q_OVF; i2s_event.type = I2S_EVENT_TX_Q_OVF;
i2s_event.size = p_i2s->tx->buf_size; i2s_event.size = p_i2s->tx->buf_size;
@ -409,6 +406,9 @@ static bool IRAM_ATTR i2s_dma_tx_callback(gdma_channel_handle_t dma_chan, gdma_e
need_awoke |= tmp; need_awoke |= tmp;
} }
} }
if (p_i2s->tx_desc_auto_clear) {
memset((void *) (((lldesc_t *)finish_desc)->buf), 0, p_i2s->tx->buf_size);
}
xQueueSendFromISR(p_i2s->tx->queue, &(((lldesc_t *)finish_desc)->buf), &tmp); xQueueSendFromISR(p_i2s->tx->queue, &(((lldesc_t *)finish_desc)->buf), &tmp);
need_awoke |= tmp; need_awoke |= tmp;
if (p_i2s->i2s_queue) { if (p_i2s->i2s_queue) {
@ -462,18 +462,18 @@ static void IRAM_ATTR i2s_intr_handler_default(void *arg)
if (xQueueIsQueueFullFromISR(p_i2s->tx->queue)) { if (xQueueIsQueueFullFromISR(p_i2s->tx->queue)) {
xQueueReceiveFromISR(p_i2s->tx->queue, &dummy, &tmp); xQueueReceiveFromISR(p_i2s->tx->queue, &dummy, &tmp);
need_awoke |= tmp; need_awoke |= tmp;
// See if tx descriptor needs to be auto cleared:
// This will avoid any kind of noise that may get introduced due to transmission
// of previous data from tx descriptor on I2S line.
if (p_i2s->tx_desc_auto_clear == true) {
memset((void *) dummy, 0, p_i2s->tx->buf_size);
}
if (p_i2s->i2s_queue) { if (p_i2s->i2s_queue) {
i2s_event.type = I2S_EVENT_TX_Q_OVF; i2s_event.type = I2S_EVENT_TX_Q_OVF;
xQueueSendFromISR(p_i2s->i2s_queue, (void * )&i2s_event, &tmp); xQueueSendFromISR(p_i2s->i2s_queue, (void * )&i2s_event, &tmp);
need_awoke |= tmp; need_awoke |= tmp;
} }
} }
// See if tx descriptor needs to be auto cleared:
// This will avoid any kind of noise that may get introduced due to transmission
// of previous data from tx descriptor on I2S line.
if (p_i2s->tx_desc_auto_clear) {
memset((void *) (((lldesc_t *)finish_desc)->buf), 0, p_i2s->tx->buf_size);
}
xQueueSendFromISR(p_i2s->tx->queue, &(((lldesc_t *)finish_desc)->buf), &tmp); xQueueSendFromISR(p_i2s->tx->queue, &(((lldesc_t *)finish_desc)->buf), &tmp);
need_awoke |= tmp; need_awoke |= tmp;
if (p_i2s->i2s_queue) { if (p_i2s->i2s_queue) {