esp-idf/components/esp_hw_support/test/test_tsens.c

/*
 * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#include "sdkconfig.h"

#if CONFIG_IDF_TARGET_ESP32

#include <stdio.h>
#include "unity.h"
#include "esp_rom_sys.h"
#include "soc/rtc_periph.h"
#include "soc/sens_periph.h"

TEST_CASE("can control TSENS using registers", "[rtc][ignore]")
{
    SET_PERI_REG_BITS(SENS_SAR_MEAS_WAIT2_REG, SENS_FORCE_XPD_SAR, 3, SENS_FORCE_XPD_SAR_S);
    SET_PERI_REG_BITS(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_CLK_DIV, 10, SENS_TSENS_CLK_DIV_S);
    CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP);
    CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_DUMP_OUT);
    SET_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP_FORCE);
    SET_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP);
    esp_rom_delay_us(100);
    SET_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_DUMP_OUT);
    esp_rom_delay_us(5);
    int res = GET_PERI_REG_BITS2(SENS_SAR_SLAVE_ADDR3_REG, SENS_TSENS_OUT, SENS_TSENS_OUT_S);
    printf("res=%d\n", res);
}


#endif // CONFIG_IDF_TARGET_ESP32