kopia lustrzana https://github.com/espressif/esp-idf
203 wiersze
8.1 KiB
C
203 wiersze
8.1 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "sdkconfig.h"
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#include "unity.h"
|
|
#include "driver/rmt_tx.h"
|
|
#include "driver/rmt_rx.h"
|
|
#include "soc/soc_caps.h"
|
|
#include "test_util_rmt_encoders.h"
|
|
|
|
#if CONFIG_RMT_ISR_IRAM_SAFE
|
|
#define TEST_RMT_CALLBACK_ATTR IRAM_ATTR
|
|
#else
|
|
#define TEST_RMT_CALLBACK_ATTR
|
|
#endif
|
|
|
|
typedef struct {
|
|
TaskHandle_t task_to_notify;
|
|
size_t received_symbol_num;
|
|
} test_nec_rx_user_data_t;
|
|
|
|
TEST_RMT_CALLBACK_ATTR
|
|
static bool test_rmt_rx_done_callback(rmt_channel_handle_t channel, const rmt_rx_done_event_data_t *edata, void *user_data)
|
|
{
|
|
BaseType_t high_task_wakeup = pdFALSE;
|
|
test_nec_rx_user_data_t *test_user_data = (test_nec_rx_user_data_t *)user_data;
|
|
rmt_symbol_word_t *remote_codes = edata->received_symbols;
|
|
esp_rom_printf("%u symbols decoded:\r\n", edata->num_symbols);
|
|
for (size_t i = 0; i < edata->num_symbols; i++) {
|
|
esp_rom_printf("{%d:%d},{%d:%d}\r\n", remote_codes[i].level0, remote_codes[i].duration0, remote_codes[i].level1, remote_codes[i].duration1);
|
|
}
|
|
test_user_data->received_symbol_num = edata->num_symbols;
|
|
vTaskNotifyGiveFromISR(test_user_data->task_to_notify, &high_task_wakeup);
|
|
return high_task_wakeup == pdTRUE;
|
|
}
|
|
|
|
static void test_rmt_rx_nec_carrier(size_t mem_block_symbols, bool with_dma, rmt_clock_source_t clk_src)
|
|
{
|
|
rmt_rx_channel_config_t rx_channel_cfg = {
|
|
.clk_src = clk_src,
|
|
.resolution_hz = 1000000, // 1MHz, 1 tick = 1us
|
|
.mem_block_symbols = mem_block_symbols,
|
|
.gpio_num = 0,
|
|
.flags.with_dma = with_dma,
|
|
.flags.io_loop_back = true, // the GPIO will act like a loopback
|
|
};
|
|
printf("install rx channel\r\n");
|
|
rmt_channel_handle_t rx_channel = NULL;
|
|
TEST_ESP_OK(rmt_new_rx_channel(&rx_channel_cfg, &rx_channel));
|
|
printf("register rx event callbacks\r\n");
|
|
rmt_rx_event_callbacks_t cbs = {
|
|
.on_recv_done = test_rmt_rx_done_callback,
|
|
};
|
|
test_nec_rx_user_data_t test_user_data = {
|
|
.task_to_notify = xTaskGetCurrentTaskHandle(),
|
|
};
|
|
TEST_ESP_OK(rmt_rx_register_event_callbacks(rx_channel, &cbs, &test_user_data));
|
|
|
|
rmt_tx_channel_config_t tx_channel_cfg = {
|
|
.clk_src = clk_src,
|
|
.resolution_hz = 1000000, // 1MHz, 1 tick = 1us
|
|
.mem_block_symbols = SOC_RMT_MEM_WORDS_PER_CHANNEL,
|
|
.trans_queue_depth = 4,
|
|
.gpio_num = 0,
|
|
.flags.io_loop_back = true, // TX channel and RX channel will bounded to the same GPIO
|
|
};
|
|
printf("install tx channel\r\n");
|
|
rmt_channel_handle_t tx_channel = NULL;
|
|
TEST_ESP_OK(rmt_new_tx_channel(&tx_channel_cfg, &tx_channel));
|
|
|
|
printf("install nec protocol encoder\r\n");
|
|
rmt_encoder_handle_t nec_encoder = NULL;
|
|
TEST_ESP_OK(test_rmt_new_nec_protocol_encoder(&nec_encoder));
|
|
rmt_transmit_config_t transmit_config = {
|
|
.loop_count = 0, // no loop
|
|
};
|
|
|
|
printf("enable tx channel\r\n");
|
|
TEST_ESP_OK(rmt_enable(tx_channel));
|
|
printf("enable rx channel\r\n");
|
|
TEST_ESP_OK(rmt_enable(rx_channel));
|
|
|
|
rmt_symbol_word_t remote_codes[128];
|
|
|
|
rmt_receive_config_t receive_config = {
|
|
.signal_range_min_ns = 1250,
|
|
.signal_range_max_ns = 12000000,
|
|
};
|
|
|
|
// ready to receive
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send NEC frame without carrier\r\n");
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0x0440, 0x3003 // address, command
|
|
}, 4, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(34, test_user_data.received_symbol_num);
|
|
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send NEC frame without carrier\r\n");
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0x0440, 0x3003 // address, command
|
|
}, 4, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(34, test_user_data.received_symbol_num);
|
|
|
|
#if SOC_RMT_SUPPORT_RX_PINGPONG
|
|
// ready to receive
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send customized NEC frame without carrier\r\n");
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0xFF00, 0xFF00, 0xFF00, 0xFF00
|
|
}, 8, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(66, test_user_data.received_symbol_num);
|
|
#else
|
|
// ready to receive
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send customized NEC frame without carrier\r\n");
|
|
// the maximum symbols can receive is its memory block capacity
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0xFF00, 0xFF00, 0xFF00, 0xFF00, 0xFF00
|
|
}, 10, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(test_user_data.received_symbol_num, mem_block_symbols);
|
|
#endif // SOC_RMT_SUPPORT_RX_PINGPONG
|
|
|
|
#if SOC_RMT_SUPPORT_RX_DEMODULATION
|
|
rmt_carrier_config_t carrier_cfg = {
|
|
.duty_cycle = 0.33,
|
|
.frequency_hz = 38000,
|
|
};
|
|
printf("enable modulation for tx channel\r\n");
|
|
TEST_ESP_OK(rmt_apply_carrier(tx_channel, &carrier_cfg));
|
|
printf("enable demodulation for rx channel\r\n");
|
|
// need to leave a tolerance for the carrier demodulation, can't set the carrier frequency exactly to 38KHz
|
|
// should reduce frequency to some extend
|
|
carrier_cfg.frequency_hz = 25000;
|
|
TEST_ESP_OK(rmt_apply_carrier(rx_channel, &carrier_cfg));
|
|
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send NEC frame with carrier\r\n");
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0x0440, 0x3003 // address, command
|
|
}, 4, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(34, test_user_data.received_symbol_num);
|
|
|
|
#if SOC_RMT_SUPPORT_RX_PINGPONG
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send customized frame with carrier\r\n");
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0xFF00, 0xFF00, 0xFF00, 0xFF00
|
|
}, 8, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(66, test_user_data.received_symbol_num);
|
|
#endif // SOC_RMT_SUPPORT_RX_PINGPONG
|
|
|
|
printf("disable modulation and demodulation for tx and rx channels\r\n");
|
|
TEST_ESP_OK(rmt_apply_carrier(tx_channel, NULL));
|
|
TEST_ESP_OK(rmt_apply_carrier(rx_channel, NULL));
|
|
#endif // SOC_RMT_SUPPORT_RX_DEMODULATION
|
|
|
|
TEST_ESP_OK(rmt_receive(rx_channel, remote_codes, sizeof(remote_codes), &receive_config));
|
|
printf("send NEC frame without carrier\r\n");
|
|
TEST_ESP_OK(rmt_transmit(tx_channel, nec_encoder, (uint16_t[]) {
|
|
0x0440, 0x3003 // address, command
|
|
}, 4, &transmit_config));
|
|
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
|
|
TEST_ASSERT_EQUAL(34, test_user_data.received_symbol_num);
|
|
|
|
TEST_ESP_OK(rmt_tx_wait_all_done(tx_channel, -1));
|
|
printf("disable tx and rx channels\r\n");
|
|
TEST_ESP_OK(rmt_disable(tx_channel));
|
|
TEST_ESP_OK(rmt_disable(rx_channel));
|
|
printf("delete channels and encoder\r\n");
|
|
TEST_ESP_OK(rmt_del_channel(rx_channel));
|
|
TEST_ESP_OK(rmt_del_channel(tx_channel));
|
|
TEST_ESP_OK(rmt_del_encoder(nec_encoder));
|
|
}
|
|
|
|
TEST_CASE("rmt_rx_nec_carrier_no_dma", "[rmt]")
|
|
{
|
|
// test width different clock sources
|
|
rmt_clock_source_t clk_srcs[] = SOC_RMT_CLKS;
|
|
for (size_t i = 0; i < sizeof(clk_srcs) / sizeof(clk_srcs[0]); i++) {
|
|
test_rmt_rx_nec_carrier(SOC_RMT_MEM_WORDS_PER_CHANNEL, false, clk_srcs[i]);
|
|
}
|
|
}
|
|
|
|
#if SOC_RMT_SUPPORT_DMA
|
|
TEST_CASE("rmt_rx_nec_carrier_with_dma", "[rmt]")
|
|
{
|
|
test_rmt_rx_nec_carrier(128, true, RMT_CLK_SRC_DEFAULT);
|
|
}
|
|
#endif
|