fix(driver_spi): fixed slave example error on esp32p4

This commit is contained in:
wanckl 2024-11-28 11:21:19 +08:00
parent fcdc5d02d4
commit 0610fa3460
4 changed files with 14 additions and 13 deletions

View File

@ -96,11 +96,10 @@ void app_main(void)
ret = spi_slave_initialize(RCV_HOST, &buscfg, &slvcfg, SPI_DMA_CH_AUTO);
assert(ret == ESP_OK);
WORD_ALIGNED_ATTR char sendbuf[129] = "";
WORD_ALIGNED_ATTR char recvbuf[129] = "";
memset(recvbuf, 0, 33);
spi_slave_transaction_t t;
memset(&t, 0, sizeof(t));
char *sendbuf = spi_bus_dma_memory_alloc(RCV_HOST, 129, 0);
char *recvbuf = spi_bus_dma_memory_alloc(RCV_HOST, 129, 0);
assert(sendbuf && recvbuf);
spi_slave_transaction_t t = {0};
while (1) {
//Clear receive buffer, set send buffer to something sane

View File

@ -24,7 +24,7 @@
#define GPIO_CS 10
#define HOST_ID SPI2_HOST
#define TRANSACTION_LEN 16
#define TRANSACTION_LEN 64
//The SPI transaction cycles in this example. You may change the cycle. e.g., use the ``sender`` and change it to a infinite loop
#define EXAMPLE_CYCLES 10

View File

@ -25,7 +25,7 @@
#define HOST_ID SPI2_HOST
#define QUEUE_SIZE 6
#define TRANSACTION_LEN 16
#define TRANSACTION_LEN 64
#define SYNC_REG_FROM_HOST (14 * 4)
#define SYNC_REG_TO_HOST (15 * 4)
@ -72,7 +72,7 @@ static esp_err_t create_transaction_pool(uint8_t **data_buf, trans_link_t *trans
{
for (int i = 0; i < times; i++) {
//malloc data buffers for transaction
data_buf[i] = heap_caps_calloc(1, TRANSACTION_LEN, MALLOC_CAP_DMA);
data_buf[i] = spi_bus_dma_memory_alloc(HOST_ID, TRANSACTION_LEN, 0);
if (!data_buf[i]) {
ESP_LOGI("Create pool:", "No enough memory");
return ESP_ERR_NO_MEM;

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;