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spi_slave_hd: add callback after data is loaded to the DMA for segment mode

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This commit is contained in:
Armando 2021-04-16 21:31:55 +08:00
parent f8addc5b3d
commit 85e29dace7
3 changed files with 31 additions and 8 deletions
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2
components/driver/include/driver/spi_slave_hd.h
View File

@ -58,7 +58,9 @@ typedef enum {
typedef struct {
slave_cb_t cb_buffer_tx; ///< Callback when master reads from shared buffer
slave_cb_t cb_buffer_rx; ///< Callback when master writes to shared buffer
slave_cb_t cb_send_dma_ready; ///< Callback when TX data buffer is loaded to the hardware (DMA)
slave_cb_t cb_sent; ///< Callback when data are sent
slave_cb_t cb_recv_dma_ready; ///< Callback when RX data buffer is loaded to the hardware (DMA)
slave_cb_t cb_recv; ///< Callback when data are received
slave_cb_t cb_cmd9; ///< Callback when CMD9 received
slave_cb_t cb_cmdA; ///< Callback when CMDA received

19
components/driver/spi_slave_hd.c
View File

@ -350,6 +350,15 @@ static IRAM_ATTR void spi_slave_hd_intr_segment(void *arg)
if (ret == pdTRUE) {
spi_slave_hd_hal_txdma(hal, host->tx_desc->data, host->tx_desc->len);
tx_sent = true;
if (callback->cb_send_dma_ready) {
spi_slave_hd_event_t ev = {
.event = SPI_EV_SEND_DMA_READY,
.trans = host->tx_desc,
};
BaseType_t cb_awoken = pdFALSE;
callback->cb_send_dma_ready(callback->arg, &ev, &cb_awoken);
awoken |= cb_awoken;
}
}
}
if (!host->rx_desc) {
@ -357,6 +366,15 @@ static IRAM_ATTR void spi_slave_hd_intr_segment(void *arg)
if (ret == pdTRUE) {
spi_slave_hd_hal_rxdma(hal, host->rx_desc->data, host->rx_desc->len);
rx_sent = true;
if (callback->cb_recv_dma_ready) {
spi_slave_hd_event_t ev = {
.event = SPI_EV_RECV_DMA_READY,
.trans = host->rx_desc,
};
BaseType_t cb_awoken = pdFALSE;
callback->cb_recv_dma_ready(callback->arg, &ev, &cb_awoken);
awoken |= cb_awoken;
}
}
}
@ -483,7 +501,6 @@ esp_err_t spi_slave_hd_queue_trans(spi_host_device_t host_id, spi_slave_chan_t c
{
spi_slave_hd_slot_t* host = spihost[host_id];
SPIHD_CHECK(trans->len <= SPI_MAX_DMA_LEN, "Currently we only support transaction with data length within 4092 bytes", ESP_ERR_INVALID_ARG);
SPIHD_CHECK(host->append_mode == 0, "This API should be used for SPI Slave HD Segment Mode", ESP_ERR_INVALID_STATE);
SPIHD_CHECK(esp_ptr_dma_capable(trans->data), "The buffer should be DMA capable.", ESP_ERR_INVALID_ARG);
SPIHD_CHECK(trans->len <= host->max_transfer_sz && trans->len > 0, "Invalid buffer size", ESP_ERR_INVALID_ARG);

18
components/hal/include/hal/spi_types.h
View File

@ -31,13 +31,17 @@ typedef enum {
/// SPI Events
typedef enum {
SPI_EV_BUF_TX = BIT(0), ///< The buffer has sent data to master, Slave HD only
SPI_EV_BUF_RX = BIT(1), ///< The buffer has received data from master, Slave HD only
SPI_EV_SEND = BIT(2), ///< Slave has loaded some data to DMA, and master has received certain number of the data, the number is determined by master. Slave HD only
SPI_EV_RECV = BIT(3), ///< Slave has received certain number of data from master, the number is determined by master. Slave HD only.
SPI_EV_CMD9 = BIT(4), ///< Received CMD9 from master, Slave HD only
SPI_EV_CMDA = BIT(5), ///< Received CMDA from master, Slave HD only
SPI_EV_TRANS = BIT(6), ///< A transaction has done
/* Slave HD Only */
SPI_EV_BUF_TX = BIT(0), ///< The buffer has sent data to master.
SPI_EV_BUF_RX = BIT(1), ///< The buffer has received data from master.
SPI_EV_SEND_DMA_READY = BIT(2), ///< Slave has loaded its TX data buffer to the hardware (DMA).
SPI_EV_SEND = BIT(3), ///< Master has received certain number of the data, the number is determined by Master.
SPI_EV_RECV_DMA_READY = BIT(4), ///< Slave has loaded its RX data buffer to the hardware (DMA).
SPI_EV_RECV = BIT(5), ///< Slave has received certain number of data from master, the number is determined by Master.
SPI_EV_CMD9 = BIT(6), ///< Received CMD9 from master.
SPI_EV_CMDA = BIT(7), ///< Received CMDA from master.
/* Common Event */
SPI_EV_TRANS = BIT(8), ///< A transaction has done
} spi_event_t;
FLAG_ATTR(spi_event_t)