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feat(gdma): add descriptor empty callback for GDMA RX events

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morris
2026-03-09 15:19:57 +08:00
parent 596827eafd
commit a3ef29eb49
3 changed files with 106 additions and 0 deletions
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components/esp_driver_dma/test_apps/dma/main/test_gdma.c
+92
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@@ -456,6 +456,98 @@ static bool test_gdma_m2m_unaligned_rx_eof_callback(gdma_channel_handle_t dma_ch
return task_woken == pdTRUE;
}
static bool test_gdma_m2m_desc_empty_callback(gdma_channel_handle_t dma_chan, gdma_event_data_t *event_data, void *user_data)
{
BaseType_t task_woken = pdFALSE;
SemaphoreHandle_t desc_empty_sem = (SemaphoreHandle_t)user_data;
xSemaphoreGiveFromISR(desc_empty_sem, &task_woken);
return task_woken == pdTRUE;
}
static void test_gdma_m2m_desc_empty_event(gdma_channel_handle_t tx_chan, gdma_channel_handle_t rx_chan)
{
gdma_link_list_handle_t tx_link_list = NULL;
gdma_link_list_handle_t rx_link_list = NULL;
test_gdma_config_link_list(tx_chan, rx_chan, &tx_link_list, &rx_link_list, 16, false);
uint8_t *src_data = heap_caps_aligned_calloc(16, 1, 128, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
uint8_t *dst_data = heap_caps_aligned_calloc(16, 1, 64, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
TEST_ASSERT_NOT_NULL(src_data);
TEST_ASSERT_NOT_NULL(dst_data);
for (int i = 0; i < 128; i++) {
src_data[i] = i;
}
gdma_buffer_mount_config_t tx_buf_mount_config = {
.buffer = src_data,
.buffer_alignment = 16,
.length = 128,
.flags = {
.mark_eof = true,
.mark_final = GDMA_FINAL_LINK_TO_NULL,
},
};
TEST_ESP_OK(gdma_link_mount_buffers(tx_link_list, 0, &tx_buf_mount_config, 1, NULL));
gdma_buffer_mount_config_t rx_buf_mount_config = {
.buffer = dst_data,
.buffer_alignment = 16,
.length = 64,
.flags = {
.mark_final = GDMA_FINAL_LINK_TO_NULL,
},
};
TEST_ESP_OK(gdma_link_mount_buffers(rx_link_list, 0, &rx_buf_mount_config, 1, NULL));
SemaphoreHandle_t desc_empty_sem = xSemaphoreCreateBinary();
TEST_ASSERT_NOT_NULL(desc_empty_sem);
gdma_rx_event_callbacks_t rx_cbs = {
.on_descr_empty = test_gdma_m2m_desc_empty_callback,
};
TEST_ESP_OK(gdma_register_rx_event_callbacks(rx_chan, &rx_cbs, desc_empty_sem));
TEST_ESP_OK(gdma_start(rx_chan, gdma_link_get_head_addr(rx_link_list)));
TEST_ESP_OK(gdma_start(tx_chan, gdma_link_get_head_addr(tx_link_list)));
TEST_ASSERT_EQUAL(pdTRUE, xSemaphoreTake(desc_empty_sem, pdMS_TO_TICKS(1000)));
TEST_ESP_OK(gdma_stop(tx_chan));
TEST_ESP_OK(gdma_stop(rx_chan));
TEST_ESP_OK(gdma_del_link_list(tx_link_list));
TEST_ESP_OK(gdma_del_link_list(rx_link_list));
vSemaphoreDelete(desc_empty_sem);
free(src_data);
free(dst_data);
}
TEST_CASE("GDMA M2M RX desc empty callback", "[GDMA][M2M]")
{
gdma_channel_handle_t tx_chan = NULL;
gdma_channel_handle_t rx_chan = NULL;
gdma_channel_alloc_config_t chan_alloc_config = {};
#if SOC_HAS(AHB_GDMA)
TEST_ESP_OK(gdma_new_ahb_channel(&chan_alloc_config, &tx_chan, &rx_chan));
test_gdma_m2m_desc_empty_event(tx_chan, rx_chan);
TEST_ESP_OK(gdma_del_channel(tx_chan));
TEST_ESP_OK(gdma_del_channel(rx_chan));
#endif // SOC_HAS(AHB_GDMA)
#if SOC_HAS(AXI_GDMA)
TEST_ESP_OK(gdma_new_axi_channel(&chan_alloc_config, &tx_chan, &rx_chan));
test_gdma_m2m_desc_empty_event(tx_chan, rx_chan);
TEST_ESP_OK(gdma_del_channel(tx_chan));
TEST_ESP_OK(gdma_del_channel(rx_chan));
#endif // SOC_HAS(AXI_GDMA)
#if SOC_HAS(LP_AHB_GDMA)
TEST_ESP_OK(gdma_new_lp_ahb_channel(&chan_alloc_config, &tx_chan, &rx_chan));
test_gdma_m2m_desc_empty_event(tx_chan, rx_chan);
TEST_ESP_OK(gdma_del_channel(tx_chan));
TEST_ESP_OK(gdma_del_channel(rx_chan));
#endif // SOC_HAS(LP_AHB_GDMA)
}
static void test_gdma_m2m_unaligned_buffer_test(uint8_t *dst_data, uint8_t *src_data, size_t data_length, size_t offset_len)
{
TEST_ASSERT_NOT_NULL(src_data);