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Merge branch 'feature/i2s_support_asynch_read_write_via_callback' into 'master'

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feat(i2s): support asynchronous read write via callback

See merge request espressif/esp-idf!29870
This commit is contained in:
Kevin (Lao Kaiyao)
2024-03-28 11:50:13 +08:00
parent e84c7f00a5 fd27cef045
commit 2a121e92e8
4 changed files with 117 additions and 16 deletions
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79
components/esp_driver_i2s/test_apps/i2s/main/test_i2s.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -907,3 +907,80 @@ finish:
// Test failed if package lost within 96000
TEST_ASSERT(i == test_num);
}
#define TEST_I2S_BUF_DATA_OFFSET 100
static IRAM_ATTR bool i2s_tx_on_sent_callback(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx)
{
uint32_t *data = (uint32_t *)(event->data);
size_t len = event->size / sizeof(uint32_t);
for (int i = 0; i < len; i++) {
data[i] = i + TEST_I2S_BUF_DATA_OFFSET;
}
return false;
}
static IRAM_ATTR bool i2s_rx_on_recv_callback(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx)
{
bool *received = (bool *)user_ctx;
uint32_t *data = (uint32_t *)(event->data);
size_t len = event->size / sizeof(uint32_t);
for (int i = 0; i < len; i++) {
if (data[i] == TEST_I2S_BUF_DATA_OFFSET) {
for (int j = 0; i < len && data[i] == (j + TEST_I2S_BUF_DATA_OFFSET); i++, j++);
if (i == len) {
*received = true;
break;
}
}
}
return false;
}
TEST_CASE("I2S_asynchronous_read_write", "[i2s]")
{
i2s_chan_handle_t tx_handle;
i2s_chan_handle_t rx_handle;
i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER);
// Only clear the data before callback, so that won't clear the user given data in the callback
chan_cfg.auto_clear_before_cb = true;
i2s_std_config_t std_cfg = {
.clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE),
.slot_cfg = I2S_STD_PHILIPS_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO),
.gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN,
};
std_cfg.gpio_cfg.din = std_cfg.gpio_cfg.dout; // GPIO loopback
TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle));
TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg));
TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg));
i2s_event_callbacks_t cbs = {
.on_sent = i2s_tx_on_sent_callback,
.on_recv = i2s_rx_on_recv_callback,
};
bool received = false;
TEST_ESP_OK(i2s_channel_register_event_callback(rx_handle, &cbs, &received));
TEST_ESP_OK(i2s_channel_register_event_callback(tx_handle, &cbs, NULL));
TEST_ESP_OK(i2s_channel_enable(rx_handle));
TEST_ESP_OK(i2s_channel_enable(tx_handle));
/* Wait until receive correct data */
uint32_t timeout_ms = 3000;
while (!received) {
vTaskDelay(pdMS_TO_TICKS(10));
timeout_ms -= 10;
if (timeout_ms <= 0) {
break;
}
}
TEST_ESP_OK(i2s_channel_disable(tx_handle));
TEST_ESP_OK(i2s_channel_disable(rx_handle));
TEST_ESP_OK(i2s_del_channel(tx_handle));
TEST_ESP_OK(i2s_del_channel(rx_handle));
TEST_ASSERT(received);
}