Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-02 03:00:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

fix(driver_spi): fixed slave example error on esp32p4

Browse Source
This commit is contained in:
wanckl
2025-01-15 16:03:12 +08:00
parent 273f2be226
commit 86741aebd4
4 changed files with 14 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/peripherals/spi_slave_hd/segment_mode/seg_slave/main/app_main.c
+7 -5
View File
@@ -198,7 +198,9 @@ void sender(void *arg)
data_ready = get_tx_data(send_buf[descriptor_id], send_buf_size, &ready_data_size);
if (data_ready) {
slave_trans[descriptor_id].data = send_buf[descriptor_id];
slave_trans[descriptor_id].len = ready_data_size;
slave_trans[descriptor_id].len = send_buf_size;
//To use dma, data buffer address and trans_len should byte align to hardware requirement, or using following flag for auto deal by driver.
slave_trans[descriptor_id].flags |= SPI_SLAVE_HD_TRANS_DMA_BUFFER_ALIGN_AUTO;
//Due to the `queue_sent_cnt` and `queue_recv_cnt` logic above, we are sure there is space to send data, this will return ESP_OK immediately
ESP_ERROR_CHECK(spi_slave_hd_queue_trans(SLAVE_HOST, SPI_SLAVE_CHAN_TX, &slave_trans[descriptor_id], portMAX_DELAY));
descriptor_id = (descriptor_id + 1) % QUEUE_SIZE; //descriptor_id will be: 0, 1, 2, ..., QUEUE_SIZE, 0, 1, ....
@@ -234,7 +236,7 @@ void receiver(void *arg)
uint8_t *recv_buf[QUEUE_SIZE];
spi_slave_hd_data_t slave_trans[QUEUE_SIZE];
for (int i = 0; i < QUEUE_SIZE; i++) {
recv_buf[i] = heap_caps_calloc(1, recv_buf_size, MALLOC_CAP_DMA);
recv_buf[i] = spi_bus_dma_memory_alloc(SLAVE_HOST, recv_buf_size, MALLOC_CAP_8BIT);
if (!recv_buf[i]) {
ESP_LOGE(TAG, "No enough memory!");
abort();
@@ -249,6 +251,7 @@ void receiver(void *arg)
for (int i = 0; i < QUEUE_SIZE; i++) {
slave_trans[descriptor_id].data = recv_buf[descriptor_id];
slave_trans[descriptor_id].len = recv_buf_size;
slave_trans[descriptor_id].flags |= SPI_SLAVE_HD_TRANS_DMA_BUFFER_ALIGN_AUTO;
ESP_ERROR_CHECK(spi_slave_hd_queue_trans(SLAVE_HOST, SPI_SLAVE_CHAN_RX, &slave_trans[descriptor_id], portMAX_DELAY));
descriptor_id = (descriptor_id + 1) % QUEUE_SIZE; //descriptor_id will be: 0, 1, 2, ..., QUEUE_SIZE, 0, 1, ....
}
@@ -266,7 +269,6 @@ void receiver(void *arg)
*/
ESP_ERROR_CHECK(spi_slave_hd_get_trans_res(SLAVE_HOST, SPI_SLAVE_CHAN_RX, &ret_trans, portMAX_DELAY));
//Process the received data in your own code. Here we just print it out.
printf("%d bytes are received: \n%s\n", ret_trans->trans_len, ret_trans->data);
memset(ret_trans->data, 0x0, recv_buf_size);
/**
@@ -288,10 +290,10 @@ void app_main(void)
uint8_t init_value[SOC_SPI_MAXIMUM_BUFFER_SIZE] = {0x0};
spi_slave_hd_write_buffer(SLAVE_HOST, 0, init_value, SOC_SPI_MAXIMUM_BUFFER_SIZE);
static uint32_t send_buf_size = 5000;
static uint32_t send_buf_size = 4800;
spi_slave_hd_write_buffer(SLAVE_HOST, SLAVE_MAX_TX_BUF_LEN_REG, (uint8_t *)&send_buf_size, sizeof(send_buf_size));
static uint32_t recv_buf_size = 120;
static uint32_t recv_buf_size = 128;
spi_slave_hd_write_buffer(SLAVE_HOST, SLAVE_MAX_RX_BUF_LEN_REG, (uint8_t *)&recv_buf_size, sizeof(recv_buf_size));
uint32_t slave_ready_flag = SLAVE_READY_FLAG;