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14e38f0469
* Upgrade clang-format to v13 * Apply clang-format-13 formatting changes * Format * Format bme_680 --------- Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
398 lines
17 KiB
C++
398 lines
17 KiB
C++
#include "qmp6988.h"
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#include <cmath>
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namespace esphome {
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namespace qmp6988 {
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static const uint8_t QMP6988_CHIP_ID = 0x5C;
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static const uint8_t QMP6988_CHIP_ID_REG = 0xD1; /* Chip ID confirmation Register */
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static const uint8_t QMP6988_RESET_REG = 0xE0; /* Device reset register */
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static const uint8_t QMP6988_DEVICE_STAT_REG = 0xF3; /* Device state register */
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static const uint8_t QMP6988_CTRLMEAS_REG = 0xF4; /* Measurement Condition Control Register */
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/* data */
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static const uint8_t QMP6988_PRESSURE_MSB_REG = 0xF7; /* Pressure MSB Register */
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static const uint8_t QMP6988_TEMPERATURE_MSB_REG = 0xFA; /* Temperature MSB Reg */
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/* compensation calculation */
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static const uint8_t QMP6988_CALIBRATION_DATA_START = 0xA0; /* QMP6988 compensation coefficients */
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static const uint8_t QMP6988_CALIBRATION_DATA_LENGTH = 25;
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static const uint8_t SHIFT_RIGHT_4_POSITION = 4;
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static const uint8_t SHIFT_LEFT_2_POSITION = 2;
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static const uint8_t SHIFT_LEFT_4_POSITION = 4;
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static const uint8_t SHIFT_LEFT_5_POSITION = 5;
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static const uint8_t SHIFT_LEFT_8_POSITION = 8;
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static const uint8_t SHIFT_LEFT_12_POSITION = 12;
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static const uint8_t SHIFT_LEFT_16_POSITION = 16;
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/* power mode */
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static const uint8_t QMP6988_SLEEP_MODE = 0x00;
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static const uint8_t QMP6988_FORCED_MODE = 0x01;
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static const uint8_t QMP6988_NORMAL_MODE = 0x03;
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static const uint8_t QMP6988_CTRLMEAS_REG_MODE_POS = 0;
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static const uint8_t QMP6988_CTRLMEAS_REG_MODE_MSK = 0x03;
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static const uint8_t QMP6988_CTRLMEAS_REG_MODE_LEN = 2;
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static const uint8_t QMP6988_CTRLMEAS_REG_OSRST_POS = 5;
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static const uint8_t QMP6988_CTRLMEAS_REG_OSRST_MSK = 0xE0;
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static const uint8_t QMP6988_CTRLMEAS_REG_OSRST_LEN = 3;
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static const uint8_t QMP6988_CTRLMEAS_REG_OSRSP_POS = 2;
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static const uint8_t QMP6988_CTRLMEAS_REG_OSRSP_MSK = 0x1C;
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static const uint8_t QMP6988_CTRLMEAS_REG_OSRSP_LEN = 3;
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static const uint8_t QMP6988_CONFIG_REG = 0xF1; /*IIR filter co-efficient setting Register*/
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static const uint8_t QMP6988_CONFIG_REG_FILTER_POS = 0;
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static const uint8_t QMP6988_CONFIG_REG_FILTER_MSK = 0x07;
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static const uint8_t QMP6988_CONFIG_REG_FILTER_LEN = 3;
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static const uint32_t SUBTRACTOR = 8388608;
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static const char *const TAG = "qmp6988";
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static const char *oversampling_to_str(QMP6988Oversampling oversampling) {
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switch (oversampling) {
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case QMP6988_OVERSAMPLING_SKIPPED:
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return "None";
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case QMP6988_OVERSAMPLING_1X:
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return "1x";
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case QMP6988_OVERSAMPLING_2X:
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return "2x";
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case QMP6988_OVERSAMPLING_4X:
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return "4x";
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case QMP6988_OVERSAMPLING_8X:
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return "8x";
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case QMP6988_OVERSAMPLING_16X:
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return "16x";
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case QMP6988_OVERSAMPLING_32X:
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return "32x";
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case QMP6988_OVERSAMPLING_64X:
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return "64x";
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default:
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return "UNKNOWN";
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}
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}
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static const char *iir_filter_to_str(QMP6988IIRFilter filter) {
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switch (filter) {
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case QMP6988_IIR_FILTER_OFF:
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return "OFF";
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case QMP6988_IIR_FILTER_2X:
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return "2x";
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case QMP6988_IIR_FILTER_4X:
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return "4x";
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case QMP6988_IIR_FILTER_8X:
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return "8x";
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case QMP6988_IIR_FILTER_16X:
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return "16x";
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case QMP6988_IIR_FILTER_32X:
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return "32x";
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default:
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return "UNKNOWN";
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}
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}
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bool QMP6988Component::device_check_() {
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uint8_t ret = 0;
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ret = this->read_register(QMP6988_CHIP_ID_REG, &(qmp6988_data_.chip_id), 1);
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if (ret != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "%s: read chip ID (0xD1) failed", __func__);
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}
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ESP_LOGD(TAG, "qmp6988 read chip id = 0x%x", qmp6988_data_.chip_id);
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return qmp6988_data_.chip_id == QMP6988_CHIP_ID;
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}
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bool QMP6988Component::get_calibration_data_() {
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uint8_t status = 0;
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// BITFIELDS temp_COE;
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uint8_t a_data_uint8_tr[QMP6988_CALIBRATION_DATA_LENGTH] = {0};
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int len;
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for (len = 0; len < QMP6988_CALIBRATION_DATA_LENGTH; len += 1) {
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status = this->read_register(QMP6988_CALIBRATION_DATA_START + len, &a_data_uint8_tr[len], 1);
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if (status != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "qmp6988 read calibration data (0xA0) error!");
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return false;
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}
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}
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qmp6988_data_.qmp6988_cali.COE_a0 =
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(QMP6988_S32_t) (((a_data_uint8_tr[18] << SHIFT_LEFT_12_POSITION) |
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(a_data_uint8_tr[19] << SHIFT_LEFT_4_POSITION) | (a_data_uint8_tr[24] & 0x0f))
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<< 12);
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qmp6988_data_.qmp6988_cali.COE_a0 = qmp6988_data_.qmp6988_cali.COE_a0 >> 12;
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qmp6988_data_.qmp6988_cali.COE_a1 =
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(QMP6988_S16_t) (((a_data_uint8_tr[20]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[21]);
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qmp6988_data_.qmp6988_cali.COE_a2 =
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(QMP6988_S16_t) (((a_data_uint8_tr[22]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[23]);
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qmp6988_data_.qmp6988_cali.COE_b00 =
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(QMP6988_S32_t) (((a_data_uint8_tr[0] << SHIFT_LEFT_12_POSITION) | (a_data_uint8_tr[1] << SHIFT_LEFT_4_POSITION) |
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((a_data_uint8_tr[24] & 0xf0) >> SHIFT_RIGHT_4_POSITION))
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<< 12);
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qmp6988_data_.qmp6988_cali.COE_b00 = qmp6988_data_.qmp6988_cali.COE_b00 >> 12;
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qmp6988_data_.qmp6988_cali.COE_bt1 =
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(QMP6988_S16_t) (((a_data_uint8_tr[2]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[3]);
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qmp6988_data_.qmp6988_cali.COE_bt2 =
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(QMP6988_S16_t) (((a_data_uint8_tr[4]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[5]);
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qmp6988_data_.qmp6988_cali.COE_bp1 =
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(QMP6988_S16_t) (((a_data_uint8_tr[6]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[7]);
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qmp6988_data_.qmp6988_cali.COE_b11 =
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(QMP6988_S16_t) (((a_data_uint8_tr[8]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[9]);
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qmp6988_data_.qmp6988_cali.COE_bp2 =
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(QMP6988_S16_t) (((a_data_uint8_tr[10]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[11]);
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qmp6988_data_.qmp6988_cali.COE_b12 =
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(QMP6988_S16_t) (((a_data_uint8_tr[12]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[13]);
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qmp6988_data_.qmp6988_cali.COE_b21 =
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(QMP6988_S16_t) (((a_data_uint8_tr[14]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[15]);
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qmp6988_data_.qmp6988_cali.COE_bp3 =
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(QMP6988_S16_t) (((a_data_uint8_tr[16]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[17]);
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ESP_LOGV(TAG, "<-----------calibration data-------------->\r\n");
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ESP_LOGV(TAG, "COE_a0[%d] COE_a1[%d] COE_a2[%d] COE_b00[%d]\r\n", qmp6988_data_.qmp6988_cali.COE_a0,
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qmp6988_data_.qmp6988_cali.COE_a1, qmp6988_data_.qmp6988_cali.COE_a2, qmp6988_data_.qmp6988_cali.COE_b00);
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ESP_LOGV(TAG, "COE_bt1[%d] COE_bt2[%d] COE_bp1[%d] COE_b11[%d]\r\n", qmp6988_data_.qmp6988_cali.COE_bt1,
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qmp6988_data_.qmp6988_cali.COE_bt2, qmp6988_data_.qmp6988_cali.COE_bp1, qmp6988_data_.qmp6988_cali.COE_b11);
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ESP_LOGV(TAG, "COE_bp2[%d] COE_b12[%d] COE_b21[%d] COE_bp3[%d]\r\n", qmp6988_data_.qmp6988_cali.COE_bp2,
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qmp6988_data_.qmp6988_cali.COE_b12, qmp6988_data_.qmp6988_cali.COE_b21, qmp6988_data_.qmp6988_cali.COE_bp3);
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ESP_LOGV(TAG, "<-----------calibration data-------------->\r\n");
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qmp6988_data_.ik.a0 = qmp6988_data_.qmp6988_cali.COE_a0; // 20Q4
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qmp6988_data_.ik.b00 = qmp6988_data_.qmp6988_cali.COE_b00; // 20Q4
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qmp6988_data_.ik.a1 = 3608L * (QMP6988_S32_t) qmp6988_data_.qmp6988_cali.COE_a1 - 1731677965L; // 31Q23
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qmp6988_data_.ik.a2 = 16889L * (QMP6988_S32_t) qmp6988_data_.qmp6988_cali.COE_a2 - 87619360L; // 30Q47
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qmp6988_data_.ik.bt1 = 2982L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bt1 + 107370906L; // 28Q15
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qmp6988_data_.ik.bt2 = 329854L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bt2 + 108083093L; // 34Q38
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qmp6988_data_.ik.bp1 = 19923L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bp1 + 1133836764L; // 31Q20
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qmp6988_data_.ik.b11 = 2406L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_b11 + 118215883L; // 28Q34
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qmp6988_data_.ik.bp2 = 3079L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bp2 - 181579595L; // 29Q43
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qmp6988_data_.ik.b12 = 6846L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_b12 + 85590281L; // 29Q53
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qmp6988_data_.ik.b21 = 13836L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_b21 + 79333336L; // 29Q60
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qmp6988_data_.ik.bp3 = 2915L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bp3 + 157155561L; // 28Q65
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ESP_LOGV(TAG, "<----------- int calibration data -------------->\r\n");
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ESP_LOGV(TAG, "a0[%d] a1[%d] a2[%d] b00[%d]\r\n", qmp6988_data_.ik.a0, qmp6988_data_.ik.a1, qmp6988_data_.ik.a2,
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qmp6988_data_.ik.b00);
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ESP_LOGV(TAG, "bt1[%lld] bt2[%lld] bp1[%lld] b11[%lld]\r\n", qmp6988_data_.ik.bt1, qmp6988_data_.ik.bt2,
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qmp6988_data_.ik.bp1, qmp6988_data_.ik.b11);
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ESP_LOGV(TAG, "bp2[%lld] b12[%lld] b21[%lld] bp3[%lld]\r\n", qmp6988_data_.ik.bp2, qmp6988_data_.ik.b12,
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qmp6988_data_.ik.b21, qmp6988_data_.ik.bp3);
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ESP_LOGV(TAG, "<----------- int calibration data -------------->\r\n");
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return true;
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}
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QMP6988_S16_t QMP6988Component::get_compensated_temperature_(qmp6988_ik_data_t *ik, QMP6988_S32_t dt) {
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QMP6988_S16_t ret;
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QMP6988_S64_t wk1, wk2;
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// wk1: 60Q4 // bit size
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wk1 = ((QMP6988_S64_t) ik->a1 * (QMP6988_S64_t) dt); // 31Q23+24-1=54 (54Q23)
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wk2 = ((QMP6988_S64_t) ik->a2 * (QMP6988_S64_t) dt) >> 14; // 30Q47+24-1=53 (39Q33)
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wk2 = (wk2 * (QMP6988_S64_t) dt) >> 10; // 39Q33+24-1=62 (52Q23)
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wk2 = ((wk1 + wk2) / 32767) >> 19; // 54,52->55Q23 (20Q04)
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ret = (QMP6988_S16_t) ((ik->a0 + wk2) >> 4); // 21Q4 -> 17Q0
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return ret;
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}
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QMP6988_S32_t QMP6988Component::get_compensated_pressure_(qmp6988_ik_data_t *ik, QMP6988_S32_t dp, QMP6988_S16_t tx) {
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QMP6988_S32_t ret;
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QMP6988_S64_t wk1, wk2, wk3;
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// wk1 = 48Q16 // bit size
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wk1 = ((QMP6988_S64_t) ik->bt1 * (QMP6988_S64_t) tx); // 28Q15+16-1=43 (43Q15)
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wk2 = ((QMP6988_S64_t) ik->bp1 * (QMP6988_S64_t) dp) >> 5; // 31Q20+24-1=54 (49Q15)
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wk1 += wk2; // 43,49->50Q15
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wk2 = ((QMP6988_S64_t) ik->bt2 * (QMP6988_S64_t) tx) >> 1; // 34Q38+16-1=49 (48Q37)
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wk2 = (wk2 * (QMP6988_S64_t) tx) >> 8; // 48Q37+16-1=63 (55Q29)
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wk3 = wk2; // 55Q29
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wk2 = ((QMP6988_S64_t) ik->b11 * (QMP6988_S64_t) tx) >> 4; // 28Q34+16-1=43 (39Q30)
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wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1; // 39Q30+24-1=62 (61Q29)
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wk3 += wk2; // 55,61->62Q29
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wk2 = ((QMP6988_S64_t) ik->bp2 * (QMP6988_S64_t) dp) >> 13; // 29Q43+24-1=52 (39Q30)
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wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1; // 39Q30+24-1=62 (61Q29)
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wk3 += wk2; // 62,61->63Q29
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wk1 += wk3 >> 14; // Q29 >> 14 -> Q15
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wk2 = ((QMP6988_S64_t) ik->b12 * (QMP6988_S64_t) tx); // 29Q53+16-1=45 (45Q53)
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wk2 = (wk2 * (QMP6988_S64_t) tx) >> 22; // 45Q53+16-1=61 (39Q31)
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wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1; // 39Q31+24-1=62 (61Q30)
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wk3 = wk2; // 61Q30
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wk2 = ((QMP6988_S64_t) ik->b21 * (QMP6988_S64_t) tx) >> 6; // 29Q60+16-1=45 (39Q54)
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wk2 = (wk2 * (QMP6988_S64_t) dp) >> 23; // 39Q54+24-1=62 (39Q31)
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wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1; // 39Q31+24-1=62 (61Q20)
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wk3 += wk2; // 61,61->62Q30
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wk2 = ((QMP6988_S64_t) ik->bp3 * (QMP6988_S64_t) dp) >> 12; // 28Q65+24-1=51 (39Q53)
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wk2 = (wk2 * (QMP6988_S64_t) dp) >> 23; // 39Q53+24-1=62 (39Q30)
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wk2 = (wk2 * (QMP6988_S64_t) dp); // 39Q30+24-1=62 (62Q30)
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wk3 += wk2; // 62,62->63Q30
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wk1 += wk3 >> 15; // Q30 >> 15 = Q15
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wk1 /= 32767L;
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wk1 >>= 11; // Q15 >> 7 = Q4
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wk1 += ik->b00; // Q4 + 20Q4
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// wk1 >>= 4; // 28Q4 -> 24Q0
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ret = (QMP6988_S32_t) wk1;
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return ret;
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}
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void QMP6988Component::software_reset_() {
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uint8_t ret = 0;
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ret = this->write_byte(QMP6988_RESET_REG, 0xe6);
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if (ret != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "Software Reset (0xe6) failed");
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}
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delay(10);
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this->write_byte(QMP6988_RESET_REG, 0x00);
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}
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void QMP6988Component::set_power_mode_(uint8_t power_mode) {
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uint8_t data;
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ESP_LOGD(TAG, "Setting Power mode to: %d", power_mode);
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qmp6988_data_.power_mode = power_mode;
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this->read_register(QMP6988_CTRLMEAS_REG, &data, 1);
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data = data & 0xfc;
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if (power_mode == QMP6988_SLEEP_MODE) {
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data |= 0x00;
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} else if (power_mode == QMP6988_FORCED_MODE) {
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data |= 0x01;
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} else if (power_mode == QMP6988_NORMAL_MODE) {
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data |= 0x03;
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}
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this->write_byte(QMP6988_CTRLMEAS_REG, data);
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ESP_LOGD(TAG, "Set Power mode 0xf4=0x%x \r\n", data);
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delay(10);
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}
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void QMP6988Component::write_filter_(unsigned char filter) {
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uint8_t data;
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data = (filter & 0x03);
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this->write_byte(QMP6988_CONFIG_REG, data);
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delay(10);
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}
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void QMP6988Component::write_oversampling_pressure_(unsigned char oversampling_p) {
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uint8_t data;
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this->read_register(QMP6988_CTRLMEAS_REG, &data, 1);
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data &= 0xe3;
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data |= (oversampling_p << 2);
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this->write_byte(QMP6988_CTRLMEAS_REG, data);
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delay(10);
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}
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void QMP6988Component::write_oversampling_temperature_(unsigned char oversampling_t) {
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uint8_t data;
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this->read_register(QMP6988_CTRLMEAS_REG, &data, 1);
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data &= 0x1f;
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data |= (oversampling_t << 5);
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this->write_byte(QMP6988_CTRLMEAS_REG, data);
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delay(10);
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}
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void QMP6988Component::set_temperature_oversampling(QMP6988Oversampling oversampling_t) {
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this->temperature_oversampling_ = oversampling_t;
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}
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void QMP6988Component::set_pressure_oversampling(QMP6988Oversampling oversampling_p) {
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this->pressure_oversampling_ = oversampling_p;
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}
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void QMP6988Component::set_iir_filter(QMP6988IIRFilter iirfilter) { this->iir_filter_ = iirfilter; }
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void QMP6988Component::calculate_altitude_(float pressure, float temp) {
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float altitude;
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altitude = (pow((101325 / pressure), 1 / 5.257) - 1) * (temp + 273.15) / 0.0065;
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this->qmp6988_data_.altitude = altitude;
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}
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void QMP6988Component::calculate_pressure_() {
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uint8_t err = 0;
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QMP6988_U32_t p_read, t_read;
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QMP6988_S32_t p_raw, t_raw;
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uint8_t a_data_uint8_tr[6] = {0};
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QMP6988_S32_t t_int, p_int;
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this->qmp6988_data_.temperature = 0;
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this->qmp6988_data_.pressure = 0;
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err = this->read_register(QMP6988_PRESSURE_MSB_REG, a_data_uint8_tr, 6);
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if (err != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "Error reading raw pressure/temp values");
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return;
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}
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p_read = (QMP6988_U32_t) ((((QMP6988_U32_t) (a_data_uint8_tr[0])) << SHIFT_LEFT_16_POSITION) |
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(((QMP6988_U16_t) (a_data_uint8_tr[1])) << SHIFT_LEFT_8_POSITION) | (a_data_uint8_tr[2]));
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p_raw = (QMP6988_S32_t) (p_read - SUBTRACTOR);
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t_read = (QMP6988_U32_t) ((((QMP6988_U32_t) (a_data_uint8_tr[3])) << SHIFT_LEFT_16_POSITION) |
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(((QMP6988_U16_t) (a_data_uint8_tr[4])) << SHIFT_LEFT_8_POSITION) | (a_data_uint8_tr[5]));
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t_raw = (QMP6988_S32_t) (t_read - SUBTRACTOR);
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t_int = this->get_compensated_temperature_(&(qmp6988_data_.ik), t_raw);
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p_int = this->get_compensated_pressure_(&(qmp6988_data_.ik), p_raw, t_int);
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this->qmp6988_data_.temperature = (float) t_int / 256.0f;
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this->qmp6988_data_.pressure = (float) p_int / 16.0f;
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}
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void QMP6988Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up QMP6988");
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bool ret;
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ret = this->device_check_();
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if (!ret) {
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ESP_LOGCONFIG(TAG, "Setup failed - device not found");
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}
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this->software_reset_();
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this->get_calibration_data_();
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this->set_power_mode_(QMP6988_NORMAL_MODE);
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this->write_filter_(iir_filter_);
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this->write_oversampling_pressure_(this->pressure_oversampling_);
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this->write_oversampling_temperature_(this->temperature_oversampling_);
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}
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void QMP6988Component::dump_config() {
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ESP_LOGCONFIG(TAG, "QMP6988:");
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with QMP6988 failed!");
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}
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LOG_UPDATE_INTERVAL(this);
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LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
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ESP_LOGCONFIG(TAG, " Temperature Oversampling: %s", oversampling_to_str(this->temperature_oversampling_));
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LOG_SENSOR(" ", "Pressure", this->pressure_sensor_);
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ESP_LOGCONFIG(TAG, " Pressure Oversampling: %s", oversampling_to_str(this->pressure_oversampling_));
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ESP_LOGCONFIG(TAG, " IIR Filter: %s", iir_filter_to_str(this->iir_filter_));
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}
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float QMP6988Component::get_setup_priority() const { return setup_priority::DATA; }
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void QMP6988Component::update() {
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this->calculate_pressure_();
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float pressurehectopascals = this->qmp6988_data_.pressure / 100;
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float temperature = this->qmp6988_data_.temperature;
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ESP_LOGD(TAG, "Temperature=%.2f°C, Pressure=%.2fhPa", temperature, pressurehectopascals);
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if (this->temperature_sensor_ != nullptr)
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this->temperature_sensor_->publish_state(temperature);
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if (this->pressure_sensor_ != nullptr)
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this->pressure_sensor_->publish_state(pressurehectopascals);
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}
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} // namespace qmp6988
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} // namespace esphome
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