esp-idf/components/driver/test/test_adc2.c
2017-10-26 14:35:30 +08:00

116 lines
4.0 KiB
C

/*
Tests for the adc2 device driver
*/
#include "esp_system.h"
#include "driver/adc.h"
#include "driver/dac.h"
#include "unity.h"
#include "esp_system.h"
#include "esp_event_loop.h"
#include "esp_wifi.h"
#include "esp_log.h"
#include "nvs_flash.h"
static const char* TAG = "test_adc2";
#define DEFAULT_SSID "TEST_SSID"
#define DEFAULT_PWD "TEST_PASS"
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
printf("ev_handle_called.\n");
switch(event->event_id) {
case SYSTEM_EVENT_STA_START:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
//do not actually connect in test case
//;
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
ESP_LOGI(TAG, "got ip:%s\n",
ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
TEST_ESP_OK(esp_wifi_connect());
break;
default:
break;
}
return ESP_OK;
}
TEST_CASE("adc2 work with wifi","[adc]")
{
int read_raw;
int target_value;
//adc and dac init
TEST_ESP_OK( dac_output_enable( DAC_CHANNEL_1 ));
TEST_ESP_OK( dac_output_enable( DAC_CHANNEL_2 ));
TEST_ESP_OK( dac_output_voltage( DAC_CHANNEL_1, 30 ));
TEST_ESP_OK( dac_output_voltage( DAC_CHANNEL_2, 60 ));
TEST_ESP_OK( adc2_config_channel_atten( ADC2_CHANNEL_8, ADC_ATTEN_0db ));
TEST_ESP_OK( adc2_config_channel_atten( ADC2_CHANNEL_9, ADC_ATTEN_0db ));
//init wifi
printf("nvs init\n");
esp_err_t r = nvs_flash_init();
if (r == ESP_ERR_NVS_NO_FREE_PAGES) {
printf("no free pages, erase..\n");
TEST_ESP_OK(nvs_flash_erase());
r = nvs_flash_init();
}
TEST_ESP_OK( r);
tcpip_adapter_init();
TEST_ESP_OK(esp_event_loop_init(event_handler, NULL));
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
TEST_ESP_OK(esp_wifi_init(&cfg));
wifi_config_t wifi_config = {
.sta = {
.ssid = DEFAULT_SSID,
.password = DEFAULT_PWD
},
};
TEST_ESP_OK(esp_wifi_set_mode(WIFI_MODE_STA));
TEST_ESP_OK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config));
//test read value
TEST_ESP_OK( adc2_get_raw( ADC2_CHANNEL_8, ADC_WIDTH_12Bit, &read_raw ));
target_value = 30*4096*3/256; //3 = 3.3/1.1
printf("dac set: %d, adc read: %d (target_value: %d)\n", 30, read_raw, target_value );
TEST_ASSERT_INT_WITHIN( 600, target_value, read_raw );
TEST_ESP_OK( adc2_get_raw( ADC2_CHANNEL_9, ADC_WIDTH_12Bit, &read_raw ));
target_value = 60*4096*3/256;
printf("dac set: %d, adc read: %d (target_value: %d)\n", 60, read_raw, target_value );
TEST_ASSERT_INT_WITHIN( 600, target_value, read_raw );
//now start wifi
printf("wifi start...\n");
TEST_ESP_OK(esp_wifi_start());
//test reading during wifi on
TEST_ASSERT_EQUAL( adc2_get_raw( ADC2_CHANNEL_8, ADC_WIDTH_12Bit, &read_raw ), ESP_ERR_TIMEOUT );
TEST_ASSERT_EQUAL( adc2_get_raw( ADC2_CHANNEL_9, ADC_WIDTH_12Bit, &read_raw ), ESP_ERR_TIMEOUT );
//wifi stop again
printf("wifi stop...\n");
TEST_ESP_OK( esp_wifi_stop() );
TEST_ESP_OK(esp_wifi_deinit());
nvs_flash_deinit();
//test read value
TEST_ESP_OK( adc2_get_raw( ADC2_CHANNEL_8, ADC_WIDTH_12Bit, &read_raw ));
target_value = 30*4096*3/256; //3 = 3.3/1.1
printf("dac set: %d, adc read: %d (target_value: %d)\n", 30, read_raw, target_value );
TEST_ASSERT_INT_WITHIN( 600, target_value, read_raw );
TEST_ESP_OK( adc2_get_raw( ADC2_CHANNEL_9, ADC_WIDTH_12Bit, &read_raw ));
target_value = 60*4096*3/256;
printf("dac set: %d, adc read: %d (target_value: %d)\n", 60, read_raw, target_value );
TEST_ASSERT_INT_WITHIN( 600, target_value, read_raw );
printf("test passed...\n");
TEST_IGNORE_MESSAGE("this test case is ignored due to the critical memory leak of tcpip_adapter and event_loop.");
}