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feat(rmt): support calling rmt_receive in ISR callback

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This commit is contained in:
morris
2023-11-02 11:39:29 +08:00
parent 83aeb7bbb2
commit 2e8cc61af7
17 changed files with 112 additions and 38 deletions
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47
components/driver/test_apps/rmt/main/test_rmt_iram.c
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@@ -87,21 +87,27 @@ TEST_CASE("rmt tx iram safe", "[rmt]")
#endif
}
#define TEST_RMT_SYMBOLS 2
static void IRAM_ATTR test_simulate_input_post_cache_disable(void *args)
{
int gpio_num = (int)args;
// simulate input signal, should only be recognized as one RMT symbol
gpio_set_level(gpio_num, 0);
esp_rom_delay_us(50);
gpio_set_level(gpio_num, 1);
esp_rom_delay_us(50);
gpio_set_level(gpio_num, 0);
esp_rom_delay_us(20000);
// simulate input signal, should only be recognized as two RMT symbols
for (int i = 0; i < TEST_RMT_SYMBOLS; i++) {
gpio_set_level(gpio_num, 0);
esp_rom_delay_us(50);
gpio_set_level(gpio_num, 1);
esp_rom_delay_us(50);
gpio_set_level(gpio_num, 0);
esp_rom_delay_us(20000);
}
}
typedef struct {
TaskHandle_t task_to_notify;
size_t received_symbol_num;
rmt_receive_config_t rx_config;
rmt_symbol_word_t remote_codes[128];
} test_nec_rx_user_data_t;
IRAM_ATTR
@@ -109,8 +115,15 @@ static bool test_rmt_rx_done_callback(rmt_channel_handle_t channel, const rmt_rx
{
BaseType_t high_task_wakeup = pdFALSE;
test_nec_rx_user_data_t *test_user_data = (test_nec_rx_user_data_t *)user_data;
test_user_data->received_symbol_num = edata->num_symbols;
vTaskNotifyGiveFromISR(test_user_data->task_to_notify, &high_task_wakeup);
test_user_data->received_symbol_num += edata->num_symbols;
// should receive one RMT symbol at a time
if (edata->num_symbols == 1) {
if (test_user_data->received_symbol_num == TEST_RMT_SYMBOLS) {
vTaskNotifyGiveFromISR(test_user_data->task_to_notify, &high_task_wakeup);
} else {
rmt_receive(channel, test_user_data->remote_codes, sizeof(test_user_data->remote_codes), &test_user_data->rx_config);
}
}
return high_task_wakeup == pdTRUE;
}
@@ -137,27 +150,25 @@ static void test_rmt_rx_iram_safe(size_t mem_block_symbols, bool with_dma, rmt_c
};
test_nec_rx_user_data_t test_user_data = {
.task_to_notify = xTaskGetCurrentTaskHandle(),
.received_symbol_num = 0,
.rx_config = {
.signal_range_min_ns = 1250,
.signal_range_max_ns = 12000000,
},
};
TEST_ESP_OK(rmt_rx_register_event_callbacks(rx_channel, &cbs, &test_user_data));
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));
TEST_ESP_OK(rmt_receive(rx_channel, test_user_data.remote_codes, sizeof(test_user_data.remote_codes), &test_user_data.rx_config));
// disable the flash cache, and simulate input signal by GPIO
unity_utils_run_cache_disable_stub(test_simulate_input_post_cache_disable, 0);
TEST_ASSERT_NOT_EQUAL(0, ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(1000)));
TEST_ASSERT_EQUAL(1, test_user_data.received_symbol_num);
TEST_ASSERT_EQUAL(TEST_RMT_SYMBOLS, test_user_data.received_symbol_num);
printf("disable rx channels\r\n");
TEST_ESP_OK(rmt_disable(rx_channel));