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968df6cb3f
Co-authored-by: Djordje Mandic <6750655+DjordjeMandic@users.noreply.github.com> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com> Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com> Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
#include "gp8403.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace gp8403 {
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static const char *const TAG = "gp8403";
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static const uint8_t RANGE_REGISTER = 0x01;
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static const uint8_t OUTPUT_REGISTER = 0x02;
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const LogString *model_to_string(GP8403Model model) {
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switch (model) {
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case GP8403Model::GP8403:
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return LOG_STR("GP8403");
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case GP8403Model::GP8413:
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return LOG_STR("GP8413");
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}
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return LOG_STR("Unknown");
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};
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void GP8403Component::setup() { this->write_register(RANGE_REGISTER, (uint8_t *) (&this->voltage_), 1); }
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void GP8403Component::dump_config() {
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ESP_LOGCONFIG(TAG,
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"GP8403:\n"
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" Voltage: %dV\n"
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" Model: %s",
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this->voltage_ == GP8403_VOLTAGE_5V ? 5 : 10, LOG_STR_ARG(model_to_string(this->model_)));
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LOG_I2C_DEVICE(this);
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}
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void GP8403Component::write_state(float state, uint8_t channel) {
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uint16_t val = 0;
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switch (this->model_) {
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case GP8403Model::GP8403:
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val = ((uint16_t) (4095 * state)) << 4;
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break;
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case GP8403Model::GP8413:
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val = ((uint16_t) (32767 * state)) << 1;
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break;
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default:
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ESP_LOGE(TAG, "Unknown model %s", LOG_STR_ARG(model_to_string(this->model_)));
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return;
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}
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ESP_LOGV(TAG, "Calculated DAC value: %" PRIu16, val);
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i2c::ErrorCode err = this->write_register(OUTPUT_REGISTER + (2 * channel), (uint8_t *) &val, 2);
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if (err != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "Error writing to %s, code %d", LOG_STR_ARG(model_to_string(this->model_)), err);
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}
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}
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} // namespace gp8403
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} // namespace esphome
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