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esp-idf/components/driver/test/test_gdma.c

74 wiersze
3.0 KiB
C
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driver: update copyright notice
2021-05-23 23:06:17 +00:00
/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
gdma: dynamic alloc DMA channels
2020-12-09 12:29:26 +00:00
#include "unity.h"
#include "esp_private/gdma.h"
#include "soc/soc_caps.h"
#if SOC_GDMA_SUPPORTED
TEST_CASE("GDMA channel allocation", "[gdma]")
{
gdma_channel_alloc_config_t channel_config = {};
gdma_channel_handle_t tx_channels[SOC_GDMA_PAIRS_PER_GROUP] = {};
gdma_channel_handle_t rx_channels[SOC_GDMA_PAIRS_PER_GROUP] = {};
channel_config.direction = GDMA_CHANNEL_DIRECTION_TX;
gdma: fix potential cocurrency issue Alloc handle memory first then hook, we can benifit: 1. Don't have to do malloc in a critical section 2. Don't have to do esp_intr_free in a critical section
2021-01-14 12:34:30 +00:00
gdma_tx_event_callbacks_t tx_cbs = {};
gdma_rx_event_callbacks_t rx_cbs = {};
gdma: dynamic alloc DMA channels
2020-12-09 12:29:26 +00:00
// install TX channels for different peripherals
for (int i = 0; i < SOC_GDMA_PAIRS_PER_GROUP; i++) {
TEST_ESP_OK(gdma_new_channel(&channel_config, &tx_channels[i]));
TEST_ESP_OK(gdma_connect(tx_channels[i], GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_M2M, 0)));
gdma: fix potential cocurrency issue Alloc handle memory first then hook, we can benifit: 1. Don't have to do malloc in a critical section 2. Don't have to do esp_intr_free in a critical section
2021-01-14 12:34:30 +00:00
TEST_ESP_OK(gdma_register_tx_event_callbacks(tx_channels[i], &tx_cbs, NULL));
gdma: dynamic alloc DMA channels
2020-12-09 12:29:26 +00:00
};
TEST_ASSERT_EQUAL(ESP_ERR_NOT_FOUND, gdma_new_channel(&channel_config, &tx_channels[0]));
CI: minor testcases fixes and disable some cases that cant run on S3
2021-06-09 08:38:22 +00:00
// Free interrupts before installing RX interrupts to ensure enough free interrupts
for (int i = 0; i < SOC_GDMA_PAIRS_PER_GROUP; i++) {
TEST_ESP_OK(gdma_disconnect(tx_channels[i]));
TEST_ESP_OK(gdma_del_channel(tx_channels[i]));
}
gdma: dynamic alloc DMA channels
2020-12-09 12:29:26 +00:00
// install RX channels for different peripherals
channel_config.direction = GDMA_CHANNEL_DIRECTION_RX;
for (int i = 0; i < SOC_GDMA_PAIRS_PER_GROUP; i++) {
TEST_ESP_OK(gdma_new_channel(&channel_config, &rx_channels[i]));
TEST_ESP_OK(gdma_connect(rx_channels[i], GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_M2M, 0)));
gdma: fix potential cocurrency issue Alloc handle memory first then hook, we can benifit: 1. Don't have to do malloc in a critical section 2. Don't have to do esp_intr_free in a critical section
2021-01-14 12:34:30 +00:00
TEST_ESP_OK(gdma_register_rx_event_callbacks(rx_channels[i], &rx_cbs, NULL));
gdma: dynamic alloc DMA channels
2020-12-09 12:29:26 +00:00
}
TEST_ASSERT_EQUAL(ESP_ERR_NOT_FOUND, gdma_new_channel(&channel_config, &rx_channels[0]));
for (int i = 0; i < SOC_GDMA_PAIRS_PER_GROUP; i++) {
TEST_ESP_OK(gdma_disconnect(rx_channels[i]));
TEST_ESP_OK(gdma_del_channel(rx_channels[i]));
}
// install single and paired TX/RX channels
#if SOC_GDMA_PAIRS_PER_GROUP >= 2
// single tx channel
channel_config.direction = GDMA_CHANNEL_DIRECTION_TX;
TEST_ESP_OK(gdma_new_channel(&channel_config, &tx_channels[0]));
// create tx channel and reserve sibling
channel_config.direction = GDMA_CHANNEL_DIRECTION_TX;
channel_config.flags.reserve_sibling = 1;
TEST_ESP_OK(gdma_new_channel(&channel_config, &tx_channels[1]));
// create rx channel and specify sibling channel
channel_config.flags.reserve_sibling = 0;
channel_config.sibling_chan = tx_channels[1]; // specify sibling channel
channel_config.direction = GDMA_CHANNEL_DIRECTION_RX;
TEST_ESP_OK(gdma_new_channel(&channel_config, &rx_channels[1]));
channel_config.sibling_chan = NULL;
TEST_ESP_OK(gdma_new_channel(&channel_config, &rx_channels[0]));
for (int i = 0; i < 2; i++) {
TEST_ESP_OK(gdma_del_channel(tx_channels[i]));
TEST_ESP_OK(gdma_del_channel(rx_channels[i]));
}
#endif
}
#endif