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BD5758D - Add delays and ACKs (#5524)

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Cossid 2023-10-12 14:09:07 -05:00 committed by GitHub
parent 04b708c336
commit 7c890d8ebc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 24 additions and 6 deletions
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30
esphome/components/bp5758d/bp5758d.cpp
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@ -17,12 +17,16 @@ static const uint8_t BP5758D_ADDR_START_2CH = 0b00100000;
static const uint8_t BP5758D_ADDR_START_5CH = 0b00110000;
static const uint8_t BP5758D_ALL_DATA_CHANNEL_ENABLEMENT = 0b00011111;
static const uint8_t BP5758D_DELAY = 2;
void BP5758D::setup() {
ESP_LOGCONFIG(TAG, "Setting up BP5758D Output Component...");
this->data_pin_->setup();
this->data_pin_->digital_write(false);
delayMicroseconds(BP5758D_DELAY);
this->clock_pin_->setup();
this->clock_pin_->digital_write(false);
delayMicroseconds(BP5758D_DELAY);
this->channel_current_.resize(5, 0);
this->pwm_amounts_.resize(5, 0);
}
@ -39,11 +43,11 @@ void BP5758D::loop() {
uint8_t data[17];
if (this->pwm_amounts_[0] == 0 && this->pwm_amounts_[1] == 0 && this->pwm_amounts_[2] == 0 &&
this->pwm_amounts_[3] == 0 && this->pwm_amounts_[4] == 0) {
for (int i = 1; i < 16; i++)
for (int i = 1; i < 17; i++)
data[i] = 0;
// First turn all channels off
data[0] = BP5758D_MODEL_ID + BP5758D_ADDR_START_3CH;
data[0] = BP5758D_MODEL_ID + BP5758D_ADDR_START_5CH;
this->write_buffer_(data, 17);
// Then sleep
data[0] = BP5758D_MODEL_ID + BP5758D_ADDR_STANDBY;
@ -123,28 +127,42 @@ void BP5758D::set_channel_value_(uint8_t channel, uint16_t value) {
void BP5758D::set_channel_current_(uint8_t channel, uint8_t current) { this->channel_current_[channel] = current; }
void BP5758D::write_bit_(bool value) {
this->clock_pin_->digital_write(false);
this->data_pin_->digital_write(value);
delayMicroseconds(BP5758D_DELAY);
this->clock_pin_->digital_write(true);
delayMicroseconds(BP5758D_DELAY);
this->clock_pin_->digital_write(false);
delayMicroseconds(BP5758D_DELAY);
}
void BP5758D::write_byte_(uint8_t data) {
for (uint8_t mask = 0x80; mask; mask >>= 1) {
this->write_bit_(data & mask);
}
this->clock_pin_->digital_write(false);
this->data_pin_->digital_write(true);
// ack bit
this->data_pin_->pin_mode(gpio::FLAG_INPUT);
this->clock_pin_->digital_write(true);
delayMicroseconds(BP5758D_DELAY);
this->clock_pin_->digital_write(false);
delayMicroseconds(BP5758D_DELAY);
this->data_pin_->pin_mode(gpio::FLAG_OUTPUT);
}
void BP5758D::write_buffer_(uint8_t *buffer, uint8_t size) {
this->data_pin_->digital_write(false);
delayMicroseconds(BP5758D_DELAY);
this->clock_pin_->digital_write(false);
delayMicroseconds(BP5758D_DELAY);
for (uint32_t i = 0; i < size; i++) {
this->write_byte_(buffer[i]);
}
this->clock_pin_->digital_write(false);
this->clock_pin_->digital_write(true);
delayMicroseconds(BP5758D_DELAY);
this->data_pin_->digital_write(true);
delayMicroseconds(BP5758D_DELAY);
}
} // namespace bp5758d