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spi_slave: add api 'queue_trans_isr' and add a test case

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wanlei
2023-01-04 11:25:46 +08:00
parent 971eaa0c08
commit 6ae852f8b0
4 changed files with 127 additions and 18 deletions
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24
components/driver/spi_slave.c
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@@ -27,6 +27,7 @@
#include "driver/spi_slave.h"
#include "hal/gpio_hal.h"
#include "hal/spi_slave_hal.h"
#include "esp_private/spi_slave_internal.h"
#include "esp_private/spi_common_internal.h"
@@ -337,6 +338,29 @@ esp_err_t SPI_SLAVE_ATTR spi_slave_queue_trans(spi_host_device_t host, const spi
return ESP_OK;
}
esp_err_t SPI_SLAVE_ISR_ATTR spi_slave_queue_trans_isr(spi_host_device_t host, const spi_slave_transaction_t *trans_desc)
{
BaseType_t r;
BaseType_t do_yield = pdFALSE;
ESP_RETURN_ON_FALSE_ISR(is_valid_host(host), ESP_ERR_INVALID_ARG, SPI_TAG, "invalid host");
ESP_RETURN_ON_FALSE_ISR(spihost[host], ESP_ERR_INVALID_ARG, SPI_TAG, "host not slave");
ESP_RETURN_ON_FALSE_ISR(spihost[host]->dma_enabled == 0 || trans_desc->tx_buffer==NULL || esp_ptr_dma_capable(trans_desc->tx_buffer),
ESP_ERR_INVALID_ARG, SPI_TAG, "txdata not in DMA-capable memory");
ESP_RETURN_ON_FALSE_ISR(spihost[host]->dma_enabled == 0 || trans_desc->rx_buffer==NULL ||
(esp_ptr_dma_capable(trans_desc->rx_buffer) && esp_ptr_word_aligned(trans_desc->rx_buffer) &&
(trans_desc->length%4==0)),
ESP_ERR_INVALID_ARG, SPI_TAG, "rxdata not in DMA-capable memory or not WORD aligned");
ESP_RETURN_ON_FALSE_ISR(trans_desc->length <= spihost[host]->max_transfer_sz * 8, ESP_ERR_INVALID_ARG, SPI_TAG, "data transfer > host maximum");
r = xQueueSendFromISR(spihost[host]->trans_queue, (void *)&trans_desc, &do_yield);
if (!r) {
return ESP_ERR_NO_MEM;
}
if (do_yield) {
portYIELD_FROM_ISR();
}
return ESP_OK;
}
esp_err_t SPI_SLAVE_ATTR spi_slave_get_trans_result(spi_host_device_t host, spi_slave_transaction_t **trans_desc, TickType_t ticks_to_wait)
{