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svm40_i2c.c
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svm40_i2c.c
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/*
* THIS FILE IS AUTOMATICALLY GENERATED
*
* I2C-Generator: 0.2.0
* Yaml Version: 0.3.0
* Template Version: 0.7.0
*/
/*
* Copyright (c) 2021, Sensirion AG
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Sensirion AG nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "svm40_i2c.h"
#include "sensirion_common.h"
#include "sensirion_i2c.h"
#include "sensirion_i2c_hal.h"
#define SVM40_I2C_ADDRESS 0x6A
int16_t svm40_start_continuous_measurement(void) {
int16_t error;
uint8_t buffer[2];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x10);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
return NO_ERROR;
}
int16_t svm40_stop_measurement(void) {
int16_t error;
uint8_t buffer[2];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x104);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(50000);
return NO_ERROR;
}
int16_t svm40_read_measured_values_as_integers(int16_t* voc_index,
int16_t* humidity,
int16_t* temperature) {
int16_t error;
uint8_t buffer[9];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x3A6);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 6);
if (error) {
return error;
}
*voc_index = sensirion_common_bytes_to_int16_t(&buffer[0]);
*humidity = sensirion_common_bytes_to_int16_t(&buffer[2]);
*temperature = sensirion_common_bytes_to_int16_t(&buffer[4]);
return NO_ERROR;
}
int16_t svm40_read_measured_values(float* voc_index, float* humidity,
float* temperature) {
int16_t error;
int16_t voc_ticks;
int16_t humidity_ticks;
int16_t temperature_ticks;
error = svm40_read_measured_values_as_integers(&voc_ticks, &humidity_ticks,
&temperature_ticks);
if (error) {
return error;
}
*voc_index = voc_ticks / 10.0f;
*humidity = humidity_ticks / 100.0f;
*temperature = temperature_ticks / 200.0f;
return NO_ERROR;
}
int16_t svm40_read_measured_values_as_integers_with_raw_parameters(
int16_t* voc_index, int16_t* humidity, int16_t* temperature,
uint16_t* raw_voc_ticks, int16_t* raw_humidity, int16_t* raw_temperature) {
int16_t error;
uint8_t buffer[18];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x3B0);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 12);
if (error) {
return error;
}
*voc_index = sensirion_common_bytes_to_int16_t(&buffer[0]);
*humidity = sensirion_common_bytes_to_int16_t(&buffer[2]);
*temperature = sensirion_common_bytes_to_int16_t(&buffer[4]);
*raw_voc_ticks = sensirion_common_bytes_to_uint16_t(&buffer[6]);
*raw_humidity = sensirion_common_bytes_to_int16_t(&buffer[8]);
*raw_temperature = sensirion_common_bytes_to_int16_t(&buffer[10]);
return NO_ERROR;
}
int16_t
svm40_set_temperature_offset_for_rht_measurements_raw(int16_t t_offset) {
uint8_t buffer[5];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6014);
offset = sensirion_i2c_add_int16_t_to_buffer(&buffer[0], offset, t_offset);
return sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
}
int16_t svm40_set_temperature_offset_for_rht_measurements(float t_offset) {
int16_t t_offset_raw = (int16_t)(t_offset * 200.0f + 0.5f);
return svm40_set_temperature_offset_for_rht_measurements_raw(t_offset_raw);
}
int16_t
svm40_get_temperature_offset_for_rht_measurements_raw(int16_t* t_offset) {
int16_t error;
uint8_t buffer[3];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6014);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 2);
if (error) {
return error;
}
*t_offset = sensirion_common_bytes_to_int16_t(&buffer[0]);
return NO_ERROR;
}
int16_t svm40_get_temperature_offset_for_rht_measurements(float* t_offset) {
int16_t error;
int16_t t_offset_raw;
error =
svm40_get_temperature_offset_for_rht_measurements_raw(&t_offset_raw);
if (error) {
return error;
}
*t_offset = (float)t_offset_raw / 200.0f;
return NO_ERROR;
}
int16_t svm40_set_voc_algorithm_tuning_parameters(
int16_t voc_index_offset, int16_t learning_time_hours,
int16_t gating_max_duration_minutes, int16_t std_initial) {
uint8_t buffer[14];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6083);
offset = sensirion_i2c_add_int16_t_to_buffer(&buffer[0], offset,
voc_index_offset);
offset = sensirion_i2c_add_int16_t_to_buffer(&buffer[0], offset,
learning_time_hours);
offset = sensirion_i2c_add_int16_t_to_buffer(&buffer[0], offset,
gating_max_duration_minutes);
offset =
sensirion_i2c_add_int16_t_to_buffer(&buffer[0], offset, std_initial);
return sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
}
int16_t svm40_get_voc_algorithm_tuning_parameters(
int16_t* voc_index_offset, int16_t* learning_time_hours,
int16_t* gating_max_duration_minutes, int16_t* std_initial) {
int16_t error;
uint8_t buffer[12];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6083);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 8);
if (error) {
return error;
}
*voc_index_offset = sensirion_common_bytes_to_int16_t(&buffer[0]);
*learning_time_hours = sensirion_common_bytes_to_int16_t(&buffer[2]);
*gating_max_duration_minutes =
sensirion_common_bytes_to_int16_t(&buffer[4]);
*std_initial = sensirion_common_bytes_to_int16_t(&buffer[6]);
return NO_ERROR;
}
int16_t svm40_store_nv_data(void) {
int16_t error;
uint8_t buffer[2];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6002);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(500000);
return NO_ERROR;
}
int16_t svm40_set_voc_algorithm_state(const uint8_t* state,
uint8_t state_size) {
uint8_t buffer[14];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6181);
offset = sensirion_i2c_add_bytes_to_buffer(&buffer[0], offset, state,
state_size);
return sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
}
int16_t svm40_get_voc_algorithm_state(uint8_t* state, uint8_t state_size) {
int16_t error;
uint8_t buffer[12];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0x6181);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 8);
if (error) {
return error;
}
sensirion_common_copy_bytes(&buffer[0], state, state_size);
return NO_ERROR;
}
int16_t svm40_get_version(uint8_t* firmware_major, uint8_t* firmware_minor,
bool* firmware_debug, uint8_t* hardware_major,
uint8_t* hardware_minor, uint8_t* protocol_major,
uint8_t* protocol_minor) {
int16_t error;
uint8_t buffer[12];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0xD100);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 8);
if (error) {
return error;
}
*firmware_major = buffer[0];
*firmware_minor = buffer[1];
*firmware_debug = buffer[2];
*hardware_major = buffer[3];
*hardware_minor = buffer[4];
*protocol_major = buffer[5];
*protocol_minor = buffer[6];
return NO_ERROR;
}
int16_t svm40_get_serial_number(unsigned char* serial_number,
uint8_t serial_number_size) {
int16_t error;
uint8_t buffer[39];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0xD033);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(1000);
error = sensirion_i2c_read_data_inplace(SVM40_I2C_ADDRESS, &buffer[0], 26);
if (error) {
return error;
}
sensirion_common_copy_bytes(&buffer[0], serial_number, serial_number_size);
return NO_ERROR;
}
int16_t svm40_device_reset(void) {
int16_t error;
uint8_t buffer[2];
uint16_t offset = 0;
offset = sensirion_i2c_add_command_to_buffer(&buffer[0], offset, 0xD304);
error = sensirion_i2c_write_data(SVM40_I2C_ADDRESS, &buffer[0], offset);
if (error) {
return error;
}
sensirion_i2c_hal_sleep_usec(100000);
return NO_ERROR;
}