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https://github.com/espressif/esp-idf.git
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Merge branch 'bugfix/tempsensor_wifi_conflict_v4.3' into 'release/v4.3'
temperature_sensor: Fix issue that have conflict with phy / Fix phy pwdet and tsens power cannot be set twice issue (backport v4.3) See merge request espressif/esp-idf!24968
This commit is contained in:
commit
f57d0fcc5e
@ -31,6 +31,24 @@ typedef enum {
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TSENS_DAC_DEFAULT = TSENS_DAC_L2,
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} temp_sensor_dac_offset_t;
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/**
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* @brief tsens dac offset, internal use only
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*/
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typedef struct {
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int index; /*!< temperature dac offset index */
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int offset; /*!< temperature dac offset */
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int set_val; /*!< temperature dac set value */
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int range_min; /*!< temperature current range minimum */
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int range_max; /*!< temperature current range maximum */
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int error_max; /*!< temperature current range error */
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} tsens_dac_offset_t;
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extern const tsens_dac_offset_t dac_offset[TSENS_DAC_MAX];
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#define TSENS_ADC_FACTOR (0.4386)
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#define TSENS_DAC_FACTOR (27.88)
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#define TSENS_SYS_OFFSET (20.52)
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/**
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* @brief Configuration for temperature sensor reading
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*/
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@ -28,6 +28,7 @@
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#include "regi2c_ctrl.h"
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#include "esp32c3/rom/ets_sys.h"
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#include "esp32c3/esp_efuse_rtc_calib.h"
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#include "esp_private/sar_periph_ctrl.h"
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static const char *TAG = "tsens";
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@ -38,20 +39,10 @@ static const char *TAG = "tsens";
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} \
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})
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#define TSENS_XPD_WAIT_DEFAULT 0xFF /* Set wait cycle time(8MHz) from power up to reset enable. */
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#define TSENS_ADC_FACTOR (0.4386)
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#define TSENS_DAC_FACTOR (27.88)
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#define TSENS_SYS_OFFSET (20.52)
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#define TEMPERATURE_SENSOR_MEASURE_MAX (125)
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#define TEMPERATURE_SENSOR_MEASURE_MIN (-40)
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typedef struct {
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int index;
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int offset;
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int set_val;
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int range_min;
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int range_max;
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int error_max;
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} tsens_dac_offset_t;
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static const tsens_dac_offset_t dac_offset[TSENS_DAC_MAX] = {
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const tsens_dac_offset_t dac_offset[TSENS_DAC_MAX] = {
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/* DAC Offset reg_val min max error */
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{TSENS_DAC_L0, -2, 5, 50, 125, 3},
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{TSENS_DAC_L1, -1, 7, 20, 100, 2},
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@ -70,7 +61,7 @@ esp_err_t temp_sensor_set_config(temp_sensor_config_t tsens)
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REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SARADC_TSENS_DAC, dac_offset[tsens.dac_offset].set_val);
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APB_SARADC.apb_tsens_ctrl.tsens_clk_div = tsens.clk_div;
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APB_SARADC.apb_tsens_ctrl2.tsens_xpd_wait = TSENS_XPD_WAIT_DEFAULT;
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APB_SARADC.apb_tsens_ctrl2.tsens_xpd_force = 1;
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temp_sensor_sync_tsens_idx(tsens.dac_offset);
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ESP_LOGD(TAG, "Config temperature range [%d°C ~ %d°C], error < %d°C",
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dac_offset[tsens.dac_offset].range_min,
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dac_offset[tsens.dac_offset].range_max,
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@ -98,13 +89,13 @@ esp_err_t temp_sensor_start(void)
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{
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REG_SET_BIT(SYSTEM_PERIP_CLK_EN1_REG, SYSTEM_TSENS_CLK_EN);
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APB_SARADC.apb_tsens_ctrl2.tsens_clk_sel = 1;
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APB_SARADC.apb_tsens_ctrl.tsens_pu = 1;
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temperature_sensor_power_acquire();
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return ESP_OK;
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}
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esp_err_t temp_sensor_stop(void)
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{
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APB_SARADC.apb_tsens_ctrl.tsens_pu = 0;
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temperature_sensor_power_release();
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APB_SARADC.apb_tsens_ctrl2.tsens_clk_sel = 0;
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return ESP_OK;
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}
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@ -129,12 +120,12 @@ static void read_delta_t_from_efuse(void)
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ESP_LOGD(TAG, "s_deltaT = %f", s_deltaT);
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}
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static float parse_temp_sensor_raw_value(uint32_t tsens_raw, const int dac_offset)
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static float parse_temp_sensor_raw_value(uint32_t tsens_raw)
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{
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if (isnan(s_deltaT)) { //suggests that the value is not initialized
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read_delta_t_from_efuse();
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}
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float result = (TSENS_ADC_FACTOR * (float)tsens_raw - TSENS_DAC_FACTOR * dac_offset - TSENS_SYS_OFFSET) - s_deltaT / 10.0;
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float result = tsens_raw - s_deltaT / 10.0;
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return result;
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}
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@ -142,18 +133,16 @@ esp_err_t temp_sensor_read_celsius(float *celsius)
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{
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TSENS_CHECK(celsius != NULL, ESP_ERR_INVALID_ARG);
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temp_sensor_config_t tsens;
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uint32_t tsens_out = 0;
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esp_err_t ret = temp_sensor_get_config(&tsens);
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if (ret == ESP_OK) {
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ret = temp_sensor_read_raw(&tsens_out);
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printf("tsens_out %d\r\n", tsens_out);
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TSENS_CHECK(ret == ESP_OK, ret);
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const tsens_dac_offset_t *dac = &dac_offset[tsens.dac_offset];
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*celsius = parse_temp_sensor_raw_value(tsens_out, dac->offset);
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if (*celsius < dac->range_min || *celsius > dac->range_max) {
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ESP_LOGW(TAG, "Exceeding the temperature range!");
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ret = ESP_ERR_INVALID_STATE;
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}
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temp_sensor_get_config(&tsens);
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bool range_changed;
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uint16_t tsens_out = temp_sensor_get_raw_value(&range_changed);
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*celsius = parse_temp_sensor_raw_value(tsens_out);
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if (*celsius < TEMPERATURE_SENSOR_MEASURE_MIN || *celsius > TEMPERATURE_SENSOR_MEASURE_MAX) {
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ESP_LOGE(TAG, "Exceeding temperature measure range.");
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return ESP_ERR_INVALID_STATE;
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}
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return ret;
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if (range_changed) {
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temp_sensor_get_config(&tsens);
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}
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return ESP_OK;
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}
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@ -42,6 +42,24 @@ typedef struct {
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uint8_t clk_div; /*!< Default: 6 */
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} temp_sensor_config_t;
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/**
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* @brief tsens dac offset, internal use only
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*/
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typedef struct {
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int index; /*!< temperature dac offset index */
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int offset; /*!< temperature dac offset */
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int set_val; /*!< temperature dac set value */
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int range_min; /*!< temperature current range minimum */
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int range_max; /*!< temperature current range maximum */
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int error_max; /*!< temperature current range error */
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} tsens_dac_offset_t;
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extern const tsens_dac_offset_t dac_offset[TSENS_DAC_MAX];
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#define TSENS_ADC_FACTOR (0.4386)
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#define TSENS_DAC_FACTOR (27.88)
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#define TSENS_SYS_OFFSET (20.52)
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/**
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* @brief temperature sensor default setting.
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*/
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@ -28,6 +28,7 @@
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#include "regi2c_ctrl.h"
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#include "esp_log.h"
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#include "esp32s2/esp_efuse_rtc_table.h"
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#include "esp_private/sar_periph_ctrl.h"
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static const char *TAG = "tsens";
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@ -38,20 +39,11 @@ static const char *TAG = "tsens";
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} \
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})
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#define TSENS_XPD_WAIT_DEFAULT 0xFF /* Set wait cycle time(8MHz) from power up to reset enable. */
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#define TSENS_ADC_FACTOR (0.4386)
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#define TSENS_DAC_FACTOR (27.88)
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#define TSENS_SYS_OFFSET (20.52)
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#define TEMPERATURE_SENSOR_MEASURE_MAX (125)
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#define TEMPERATURE_SENSOR_MEASURE_MIN (-40)
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typedef struct {
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int index;
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int offset;
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int set_val;
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int range_min;
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int range_max;
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int error_max;
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} tsens_dac_offset_t;
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static const tsens_dac_offset_t dac_offset[TSENS_DAC_MAX] = {
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const tsens_dac_offset_t dac_offset[TSENS_DAC_MAX] = {
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/* DAC Offset reg_val min max error */
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{TSENS_DAC_L0, -2, 5, 50, 125, 3},
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{TSENS_DAC_L1, -1, 7, 20, 100, 2},
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@ -72,11 +64,10 @@ esp_err_t temp_sensor_set_config(temp_sensor_config_t tsens)
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SET_PERI_REG_MASK(ANA_CONFIG2_REG, ANA_SAR_CFG2_M);
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REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SARADC_TSENS_DAC, dac_offset[tsens.dac_offset].set_val);
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SENS.sar_tctrl.tsens_clk_div = tsens.clk_div;
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SENS.sar_tctrl.tsens_power_up_force = 1;
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SENS.sar_tctrl2.tsens_xpd_wait = TSENS_XPD_WAIT_DEFAULT;
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SENS.sar_tctrl2.tsens_xpd_force = 1;
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SENS.sar_tctrl2.tsens_reset = 1;// Reset the temp sensor.
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SENS.sar_tctrl2.tsens_reset = 0;// Clear the reset status.
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temp_sensor_sync_tsens_idx(tsens.dac_offset);
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ESP_LOGI(TAG, "Config temperature range [%d°C ~ %d°C], error < %d°C",
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dac_offset[tsens.dac_offset].range_min,
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dac_offset[tsens.dac_offset].range_max,
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@ -108,15 +99,15 @@ esp_err_t temp_sensor_start(void)
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rtc_tsens_mux = xSemaphoreCreateMutex();
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}
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TSENS_CHECK(rtc_tsens_mux != NULL, ESP_ERR_NO_MEM);
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temperature_sensor_power_acquire();
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SENS.sar_tctrl.tsens_dump_out = 0;
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SENS.sar_tctrl2.tsens_clkgate_en = 1;
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SENS.sar_tctrl.tsens_power_up = 1;
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return ESP_OK;
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}
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esp_err_t temp_sensor_stop(void)
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{
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SENS.sar_tctrl.tsens_power_up = 0;
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temperature_sensor_power_release();
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SENS.sar_tctrl2.tsens_clkgate_en = 0;
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if (rtc_tsens_mux != NULL) {
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vSemaphoreDelete(rtc_tsens_mux);
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@ -151,12 +142,12 @@ static void read_delta_t_from_efuse(void)
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ESP_LOGD(TAG, "s_deltaT = %f\n", s_deltaT);
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}
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static float parse_temp_sensor_raw_value(uint32_t tsens_raw, const int dac_offset)
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static float parse_temp_sensor_raw_value(uint32_t tsens_raw)
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{
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if (isnan(s_deltaT)) { //suggests that the value is not initialized
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read_delta_t_from_efuse();
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}
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float result = (TSENS_ADC_FACTOR * (float)tsens_raw - TSENS_DAC_FACTOR * dac_offset - TSENS_SYS_OFFSET) - s_deltaT;
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float result = tsens_raw - s_deltaT / 10.0;
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return result;
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}
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@ -164,17 +155,17 @@ esp_err_t temp_sensor_read_celsius(float *celsius)
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{
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TSENS_CHECK(celsius != NULL, ESP_ERR_INVALID_ARG);
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temp_sensor_config_t tsens;
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uint32_t tsens_out = 0;
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esp_err_t ret = temp_sensor_get_config(&tsens);
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if (ret == ESP_OK) {
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ret = temp_sensor_read_raw(&tsens_out);
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TSENS_CHECK(ret == ESP_OK, ret);
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const tsens_dac_offset_t *dac = &dac_offset[tsens.dac_offset];
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*celsius = parse_temp_sensor_raw_value(tsens_out, dac->offset);
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if (*celsius < dac->range_min || *celsius > dac->range_max) {
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ESP_LOGW(TAG, "Exceeding the temperature range!");
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ret = ESP_ERR_INVALID_STATE;
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}
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temp_sensor_get_config(&tsens);
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bool range_changed;
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uint16_t tsens_out = temp_sensor_get_raw_value(&range_changed);
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*celsius = parse_temp_sensor_raw_value(tsens_out);
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if (*celsius < TEMPERATURE_SENSOR_MEASURE_MIN || *celsius > TEMPERATURE_SENSOR_MEASURE_MAX) {
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ESP_LOGE(TAG, "Exceeding temperature measure range.");
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return ESP_ERR_INVALID_STATE;
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}
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return ret;
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if (range_changed) {
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temp_sensor_get_config(&tsens);
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}
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return ESP_OK;
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}
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@ -0,0 +1,54 @@
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/*
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* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* SAR related peripherals are interdependent. This file
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* provides a united control to these registers, as multiple
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* components require these controls.
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*
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* See target/sar_periph_ctrl.c to know involved peripherals
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Acquire the temperature sensor power
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*/
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void temperature_sensor_power_acquire(void);
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/**
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* @brief Release the temperature sensor power
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*/
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void temperature_sensor_power_release(void);
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/**
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* @brief Get the temperature value and choose the temperature sensor range. Will be both used in phy and peripheral.
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*
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* @param range_changed Pointer to whether range has been changed here. If you don't need this param, you can
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* set NULL directly.
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*
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* @return temperature sensor value.
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*/
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int16_t temp_sensor_get_raw_value(bool *range_changed);
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/**
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* @brief Synchronize the tsens_idx between sar_periph and driver
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*
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* @param tsens_idx index value of temperature sensor attribute
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*/
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void temp_sensor_sync_tsens_idx(int tsens_idx);
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#ifdef __cplusplus
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}
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#endif
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@ -7,6 +7,10 @@ set(srcs "cpu_util_esp32c3.c"
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"rtc_time.c"
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)
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if(NOT BOOTLOADER_BUILD)
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list(APPEND srcs "sar_periph_ctrl.c")
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endif()
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add_prefix(srcs "${CMAKE_CURRENT_LIST_DIR}/" "${srcs}")
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target_sources(${COMPONENT_LIB} PRIVATE "${srcs}")
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|
116
components/esp_hw_support/port/esp32c3/sar_periph_ctrl.c
Normal file
116
components/esp_hw_support/port/esp32c3/sar_periph_ctrl.c
Normal file
@ -0,0 +1,116 @@
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/*
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* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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*
|
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* SPDX-License-Identifier: Apache-2.0
|
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*/
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|
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|
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#include "soc/soc_caps.h"
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#include "freertos/FreeRTOS.h"
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#include "esp_private/sar_periph_ctrl.h"
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#include "esp_log.h"
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#include "soc/apb_saradc_struct.h"
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#include "private_include/regi2c_saradc.h"
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#include "driver/temp_sensor.h"
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#include "regi2c_ctrl.h"
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extern __attribute__((unused)) portMUX_TYPE rtc_spinlock;
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/*------------------------------------------------------------------------------------------------------------
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-----------------------------------------Temperature Sensor---------------------------------------------------
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------------------------------------------------------------------------------------------------------------*/
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static const char *TAG_TSENS = "temperature_sensor";
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#define INT_NOT_USED 999999
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static int s_record_min = INT_NOT_USED;
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static int s_record_max = INT_NOT_USED;
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static int s_temperature_sensor_power_cnt;
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static uint8_t s_tsens_idx = 2; // Index for temperature attribute, set 2(middle) as default value
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void temperature_sensor_power_acquire(void)
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{
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portENTER_CRITICAL(&rtc_spinlock);
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s_temperature_sensor_power_cnt++;
|
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if (s_temperature_sensor_power_cnt == 1) {
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APB_SARADC.apb_tsens_ctrl.tsens_pu = true;
|
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}
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portEXIT_CRITICAL(&rtc_spinlock);
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}
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|
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void temperature_sensor_power_release(void)
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{
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portENTER_CRITICAL(&rtc_spinlock);
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s_temperature_sensor_power_cnt--;
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/* Sanity check */
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if (s_temperature_sensor_power_cnt < 0) {
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portEXIT_CRITICAL(&rtc_spinlock);
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ESP_LOGE(TAG_TSENS, "%s called, but s_temperature_sensor_power_cnt == 0", __func__);
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abort();
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} else if (s_temperature_sensor_power_cnt == 0) {
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APB_SARADC.apb_tsens_ctrl.tsens_pu = false;
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}
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portEXIT_CRITICAL(&rtc_spinlock);
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}
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static int temperature_sensor_get_raw_value(void)
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{
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int raw_value = APB_SARADC.apb_tsens_ctrl.tsens_out;
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return (TSENS_ADC_FACTOR * raw_value - TSENS_DAC_FACTOR * dac_offset[s_tsens_idx].offset - TSENS_SYS_OFFSET);
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}
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void temp_sensor_sync_tsens_idx(int tsens_idx)
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{
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s_tsens_idx = tsens_idx;
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}
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int16_t temp_sensor_get_raw_value(bool *range_changed)
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{
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portENTER_CRITICAL(&rtc_spinlock);
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int degree = temperature_sensor_get_raw_value();
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uint8_t temperature_dac;
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// 1. Check whether temperature value is in range
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if (s_record_min != INT_NOT_USED && degree >= s_record_min && degree <= s_record_max) {
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// If degree is in range, not needed to do any check to save time. Otherwise, choose proper range and record.
|
||||
if (range_changed != NULL) {
|
||||
*range_changed = false;
|
||||
}
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
return degree;
|
||||
}
|
||||
|
||||
// 2. If temperature value is not in range, adjust to proper range
|
||||
if (degree >= dac_offset[1].range_max) {
|
||||
s_tsens_idx = 0;
|
||||
} else if (degree >= dac_offset[2].range_max && degree < dac_offset[1].range_max) {
|
||||
s_tsens_idx = 1;
|
||||
} else if (degree <= dac_offset[2].range_min && degree > dac_offset[3].range_min) {
|
||||
s_tsens_idx = 3;
|
||||
} else if (degree <= dac_offset[3].range_min) {
|
||||
s_tsens_idx = 4;
|
||||
} else {
|
||||
s_tsens_idx = 2;
|
||||
}
|
||||
ESP_EARLY_LOGD(TAG_TSENS, "range changed, change to index %d", s_tsens_idx);
|
||||
temperature_dac = dac_offset[s_tsens_idx].set_val;
|
||||
s_record_min = dac_offset[s_tsens_idx].range_min;
|
||||
s_record_max = dac_offset[s_tsens_idx].range_max;
|
||||
|
||||
REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SARADC_TSENS_DAC, temperature_dac);
|
||||
|
||||
// 3. Then, read value again
|
||||
// Before reading the temperature value, ticks need to be delayed, otherwise a wrong value will be returned.
|
||||
// As what has been recommended and tested, 300us is a good interval to get the correct value after adjust range.
|
||||
esp_rom_delay_us(300);
|
||||
degree = temperature_sensor_get_raw_value();
|
||||
if (range_changed != NULL) {
|
||||
*range_changed = true;
|
||||
}
|
||||
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
return degree;
|
||||
}
|
@ -11,6 +11,10 @@ set(srcs
|
||||
"rtc_wdt.c"
|
||||
"regi2c_ctrl.c")
|
||||
|
||||
if(NOT BOOTLOADER_BUILD)
|
||||
list(APPEND srcs "sar_periph_ctrl.c")
|
||||
endif()
|
||||
|
||||
add_prefix(srcs "${CMAKE_CURRENT_LIST_DIR}/" "${srcs}")
|
||||
target_sources(${COMPONENT_LIB} PRIVATE "${srcs}")
|
||||
|
||||
|
126
components/esp_hw_support/port/esp32s2/sar_periph_ctrl.c
Normal file
126
components/esp_hw_support/port/esp32s2/sar_periph_ctrl.c
Normal file
@ -0,0 +1,126 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
|
||||
#include "soc/soc_caps.h"
|
||||
#include "freertos/FreeRTOS.h"
|
||||
#include "esp_private/sar_periph_ctrl.h"
|
||||
#include "esp_log.h"
|
||||
#include "soc/apb_saradc_struct.h"
|
||||
#include "soc/sens_struct.h"
|
||||
#include "private_include/regi2c_saradc.h"
|
||||
#include "driver/temp_sensor.h"
|
||||
#include "regi2c_ctrl.h"
|
||||
|
||||
|
||||
extern __attribute__((unused)) portMUX_TYPE rtc_spinlock;
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------------------------------------------
|
||||
-----------------------------------------Temperature Sensor---------------------------------------------------
|
||||
------------------------------------------------------------------------------------------------------------*/
|
||||
static const char *TAG_TSENS = "temperature_sensor";
|
||||
|
||||
#define INT_NOT_USED 999999
|
||||
|
||||
static int s_record_min = INT_NOT_USED;
|
||||
static int s_record_max = INT_NOT_USED;
|
||||
static int s_temperature_sensor_power_cnt;
|
||||
|
||||
static uint8_t s_tsens_idx = 2; // Index for temperature attribute, set 2(middle) as default value
|
||||
|
||||
void temperature_sensor_power_acquire(void)
|
||||
{
|
||||
portENTER_CRITICAL(&rtc_spinlock);
|
||||
s_temperature_sensor_power_cnt++;
|
||||
if (s_temperature_sensor_power_cnt == 1) {
|
||||
SENS.sar_tctrl.tsens_power_up_force = true;
|
||||
SENS.sar_tctrl2.tsens_xpd_force = true;
|
||||
SENS.sar_tctrl.tsens_power_up = true;
|
||||
}
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
}
|
||||
|
||||
void temperature_sensor_power_release(void)
|
||||
{
|
||||
portENTER_CRITICAL(&rtc_spinlock);
|
||||
s_temperature_sensor_power_cnt--;
|
||||
/* Sanity check */
|
||||
if (s_temperature_sensor_power_cnt < 0) {
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
ESP_LOGE(TAG_TSENS, "%s called, but s_temperature_sensor_power_cnt == 0", __func__);
|
||||
abort();
|
||||
} else if (s_temperature_sensor_power_cnt == 0) {
|
||||
SENS.sar_tctrl.tsens_power_up_force = false;
|
||||
SENS.sar_tctrl2.tsens_xpd_force = false;
|
||||
SENS.sar_tctrl.tsens_power_up = false;
|
||||
}
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
}
|
||||
|
||||
static int temperature_sensor_get_raw_value(void)
|
||||
{
|
||||
SENS.sar_tctrl.tsens_dump_out = 1;
|
||||
while (!SENS.sar_tctrl.tsens_ready) {
|
||||
}
|
||||
SENS.sar_tctrl.tsens_dump_out = 0;
|
||||
int raw_value = SENS.sar_tctrl.tsens_out;
|
||||
return (TSENS_ADC_FACTOR * raw_value - TSENS_DAC_FACTOR * dac_offset[s_tsens_idx].offset - TSENS_SYS_OFFSET);
|
||||
}
|
||||
|
||||
void temp_sensor_sync_tsens_idx(int tsens_idx)
|
||||
{
|
||||
s_tsens_idx = tsens_idx;
|
||||
}
|
||||
|
||||
int16_t temp_sensor_get_raw_value(bool *range_changed)
|
||||
{
|
||||
portENTER_CRITICAL(&rtc_spinlock);
|
||||
|
||||
int degree = temperature_sensor_get_raw_value();
|
||||
uint8_t temperature_dac;
|
||||
|
||||
// 1. Check whether temperature value is in range
|
||||
if (s_record_min != INT_NOT_USED && degree >= s_record_min && degree <= s_record_max) {
|
||||
// If degree is in range, not needed to do any check to save time. Otherwise, choose proper range and record.
|
||||
if (range_changed != NULL) {
|
||||
*range_changed = false;
|
||||
}
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
return degree;
|
||||
}
|
||||
|
||||
// 2. If temperature value is not in range, adjust to proper range
|
||||
if (degree >= dac_offset[1].range_max) {
|
||||
s_tsens_idx = 0;
|
||||
} else if (degree >= dac_offset[2].range_max && degree < dac_offset[1].range_max) {
|
||||
s_tsens_idx = 1;
|
||||
} else if (degree <= dac_offset[2].range_min && degree > dac_offset[3].range_min) {
|
||||
s_tsens_idx = 3;
|
||||
} else if (degree <= dac_offset[3].range_min) {
|
||||
s_tsens_idx = 4;
|
||||
} else {
|
||||
s_tsens_idx = 2;
|
||||
}
|
||||
ESP_EARLY_LOGD(TAG_TSENS, "range changed, change to index %d", s_tsens_idx);
|
||||
temperature_dac = dac_offset[s_tsens_idx].set_val;
|
||||
s_record_min = dac_offset[s_tsens_idx].range_min;
|
||||
s_record_max = dac_offset[s_tsens_idx].range_max;
|
||||
|
||||
REGI2C_WRITE_MASK(I2C_SAR_ADC, I2C_SARADC_TSENS_DAC, temperature_dac);
|
||||
|
||||
// 3. Then, read value again
|
||||
// Before reading the temperature value, ticks need to be delayed, otherwise a wrong value will be returned.
|
||||
// As what has been recommended and tested, 300us is a good interval to get the correct value after adjust range.
|
||||
esp_rom_delay_us(300);
|
||||
degree = temperature_sensor_get_raw_value();
|
||||
if (range_changed != NULL) {
|
||||
*range_changed = true;
|
||||
}
|
||||
|
||||
portEXIT_CRITICAL(&rtc_spinlock);
|
||||
return degree;
|
||||
}
|
@ -7,6 +7,8 @@
|
||||
#include <stdbool.h>
|
||||
#include "esp_attr.h"
|
||||
#include "driver/adc.h"
|
||||
#include "esp_private/sar_periph_ctrl.h"
|
||||
|
||||
|
||||
/*
|
||||
* This file is used to override the hooks provided by the PHY lib for some system features.
|
||||
@ -14,6 +16,7 @@
|
||||
*/
|
||||
|
||||
static bool s_wifi_adc_xpd_flag;
|
||||
static bool s_wifi_tsens_xpd_flag;
|
||||
|
||||
void include_esp_phy_override(void)
|
||||
{
|
||||
@ -51,3 +54,24 @@ IRAM_ATTR void phy_i2c_exit_critical(void)
|
||||
{
|
||||
regi2c_exit_critical();
|
||||
}
|
||||
|
||||
void phy_set_tsens_power(bool en)
|
||||
{
|
||||
if (s_wifi_tsens_xpd_flag == en) {
|
||||
/* ignore repeated calls to phy_set_tsens_power when the state is already correct */
|
||||
return;
|
||||
}
|
||||
|
||||
s_wifi_tsens_xpd_flag = en;
|
||||
|
||||
if (en) {
|
||||
temperature_sensor_power_acquire();
|
||||
} else {
|
||||
temperature_sensor_power_release();
|
||||
}
|
||||
}
|
||||
|
||||
int16_t phy_get_tsens_value(void)
|
||||
{
|
||||
return temp_sensor_get_raw_value(NULL);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user