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gdma: implement descriptor error callback

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Merges https://github.com/espressif/esp-idf/pull/11499
This commit is contained in:
Niklas Gürtler 2023-05-25 10:08:50 +02:00 committed by morris
parent 8c2b709817
commit be8a0d08f2
3 changed files with 31 additions and 8 deletions
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25
components/esp_hw_support/dma/gdma.c
View File

@ -391,6 +391,9 @@ esp_err_t gdma_register_tx_event_callbacks(gdma_channel_handle_t dma_chan, gdma_
if (cbs->on_trans_eof) {
ESP_GOTO_ON_FALSE(esp_ptr_in_iram(cbs->on_trans_eof), ESP_ERR_INVALID_ARG, err, TAG, "on_trans_eof not in IRAM");
}
if (cbs->on_descr_err) {
ESP_GOTO_ON_FALSE(esp_ptr_in_iram(cbs->on_descr_err), ESP_ERR_INVALID_ARG, err, TAG, "on_descr_err not in IRAM");
}
if (user_data) {
ESP_GOTO_ON_FALSE(esp_ptr_internal(user_data), ESP_ERR_INVALID_ARG, err, TAG, "user context not in internal RAM");
}
@ -402,9 +405,11 @@ esp_err_t gdma_register_tx_event_callbacks(gdma_channel_handle_t dma_chan, gdma_
// enable/disable GDMA interrupt events for TX channel
portENTER_CRITICAL(&pair->spinlock);
gdma_ll_tx_enable_interrupt(group->hal.dev, pair->pair_id, GDMA_LL_EVENT_TX_EOF, cbs->on_trans_eof != NULL);
gdma_ll_tx_enable_interrupt(group->hal.dev, pair->pair_id, GDMA_LL_EVENT_TX_DESC_ERROR, cbs->on_descr_err != NULL);
portEXIT_CRITICAL(&pair->spinlock);
tx_chan->on_trans_eof = cbs->on_trans_eof;
tx_chan->on_descr_err = cbs->on_descr_err;
tx_chan->user_data = user_data;
ESP_GOTO_ON_ERROR(esp_intr_enable(dma_chan->intr), err, TAG, "enable interrupt failed");
@ -427,6 +432,9 @@ esp_err_t gdma_register_rx_event_callbacks(gdma_channel_handle_t dma_chan, gdma_
if (cbs->on_recv_eof) {
ESP_GOTO_ON_FALSE(esp_ptr_in_iram(cbs->on_recv_eof), ESP_ERR_INVALID_ARG, err, TAG, "on_recv_eof not in IRAM");
}
if (cbs->on_descr_err) {
ESP_GOTO_ON_FALSE(esp_ptr_in_iram(cbs->on_descr_err), ESP_ERR_INVALID_ARG, err, TAG, "on_descr_err not in IRAM");
}
if (user_data) {
ESP_GOTO_ON_FALSE(esp_ptr_internal(user_data), ESP_ERR_INVALID_ARG, err, TAG, "user context not in internal RAM");
}
@ -438,9 +446,11 @@ esp_err_t gdma_register_rx_event_callbacks(gdma_channel_handle_t dma_chan, gdma_
// enable/disable GDMA interrupt events for RX channel
portENTER_CRITICAL(&pair->spinlock);
gdma_ll_rx_enable_interrupt(group->hal.dev, pair->pair_id, GDMA_LL_EVENT_RX_SUC_EOF, cbs->on_recv_eof != NULL);
gdma_ll_rx_enable_interrupt(group->hal.dev, pair->pair_id, GDMA_LL_EVENT_RX_DESC_ERROR, cbs->on_descr_err != NULL);
portEXIT_CRITICAL(&pair->spinlock);
rx_chan->on_recv_eof = cbs->on_recv_eof;
rx_chan->on_descr_err = cbs->on_descr_err;
rx_chan->user_data = user_data;
ESP_GOTO_ON_ERROR(esp_intr_enable(dma_chan->intr), err, TAG, "enable interrupt failed");
@ -726,6 +736,13 @@ static void IRAM_ATTR gdma_default_rx_isr(void *args)
}
}
}
if (intr_status & GDMA_LL_EVENT_RX_DESC_ERROR) {
if (rx_chan && rx_chan->on_descr_err) {
if (rx_chan->on_descr_err(&rx_chan->base, NULL, rx_chan->user_data)) {
need_yield = true;
}
}
}
if (need_yield) {
portYIELD_FROM_ISR();
@ -753,7 +770,13 @@ static void IRAM_ATTR gdma_default_tx_isr(void *args)
}
}
}
if (intr_status & GDMA_LL_EVENT_TX_DESC_ERROR) {
if (tx_chan && tx_chan->on_descr_err) {
if (tx_chan->on_descr_err(&tx_chan->base, NULL, tx_chan->user_data)) {
need_yield = true;
}
}
}
if (need_yield) {
portYIELD_FROM_ISR();
}

4
components/esp_hw_support/dma/gdma_priv.h
View File

@ -76,12 +76,14 @@ struct gdma_tx_channel_t {
gdma_channel_t base; // GDMA channel, base class
void *user_data; // user registered DMA event data
gdma_event_callback_t on_trans_eof; // TX EOF callback
gdma_event_callback_t on_descr_err; // Descriptor error callback
};
struct gdma_rx_channel_t {
gdma_channel_t base; // GDMA channel, base class
void *user_data; // user registered DMA event data
gdma_event_callback_t on_recv_eof; // RX EOF callback
gdma_event_callback_t on_recv_eof; // RX EOF callback
gdma_event_callback_t on_descr_err; // Descriptor error callback
};
#ifdef __cplusplus

10
components/esp_hw_support/include/esp_private/gdma.h
View File

@ -52,7 +52,6 @@ typedef struct {
/**
* @brief Type of GDMA event data
*
*/
typedef struct {
union {
@ -64,31 +63,30 @@ typedef struct {
/**
* @brief Type of GDMA event callback
* @param dma_chan GDMA channel handle, created from `gdma_new_channel`
* @param event_data GDMA event data
* @param event_data GDMA event data. Different event share the same data structure, but the caller may only use a few or none of the data members.
* @param user_data User registered data from `gdma_register_tx_event_callbacks` or `gdma_register_rx_event_callbacks`
*
* @return Whether a task switch is needed after the callback function returns,
* this is usually due to the callback wakes up some high priority task.
*
*/
typedef bool (*gdma_event_callback_t)(gdma_channel_handle_t dma_chan, gdma_event_data_t *event_data, void *user_data);
/**
* @brief Group of supported GDMA TX callbacks
* @note The callbacks are all running under ISR environment
*
*/
typedef struct {
gdma_event_callback_t on_trans_eof; /*!< Invoked when TX engine meets EOF descriptor */
gdma_event_callback_t on_descr_err; /*!< Invoked when DMA encounters a descriptor error */
} gdma_tx_event_callbacks_t;
/**
* @brief Group of supported GDMA RX callbacks
* @note The callbacks are all running under ISR environment
*
*/
typedef struct {
gdma_event_callback_t on_recv_eof; /*!< Invoked when RX engine meets EOF descriptor */
gdma_event_callback_t on_recv_eof; /*!< Invoked when RX engine meets EOF descriptor */
gdma_event_callback_t on_descr_err; /*!< Invoked when DMA encounters a descriptor error */
} gdma_rx_event_callbacks_t;
/**