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9e23987db8
* Added I2CMultiplexer in generel and the TCA9548A in special * cleanup * tidy * tidy * tidy * tidy * Update CODEOWNERS * Update CODEOWNERS * added CODEOWNERS * Fix CODEOWNERS * protected function * fixed scan * fixed style * added to test1.yaml * Update esphome/components/tca9548a/__init__.py * Update esphome/components/i2c/__init__.py Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com> * Update esphome/components/i2c/i2c.cpp Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com> * Update esphome/components/i2c/__init__.py * Update esphome/components/i2c/__init__.py Co-authored-by: Guillermo Ruffino <glm.net@gmail.com> * Update esphome/components/i2c/i2c.cpp Co-authored-by: Guillermo Ruffino <glm.net@gmail.com> * added define statements for I2C Multiplexer * fix * try to tidy * bug fix * tidy * override fix * only change channel if different * tidy * added test * testfix * added defines * tidy * fix dep * like recommended Co-authored-by: Andreas Hergert <andreas.hergert@otrs.com> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com> Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#include "tca9548a.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace tca9548a {
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static const char *TAG = "tca9548a";
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void TCA9548AComponent::setup() {
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ESP_LOGCONFIG(TAG, "Setting up TCA9548A...");
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uint8_t status = 0;
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if (!this->read_byte(0x00, &status)) {
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ESP_LOGI(TAG, "TCA9548A failed");
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return;
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}
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// out of range to make sure on first set_channel a new one will be set
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this->current_channelno_ = 8;
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ESP_LOGCONFIG(TAG, "Channels currently open: %d", status);
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}
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void TCA9548AComponent::dump_config() {
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ESP_LOGCONFIG(TAG, "TCA9548A:");
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LOG_I2C_DEVICE(this);
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if (this->scan_) {
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for (uint8_t i = 0; i < 8; i++) {
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ESP_LOGCONFIG(TAG, "Activating channel: %d", i);
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this->set_channel(i);
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this->parent_->dump_config();
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}
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}
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}
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void TCA9548AComponent::set_channel(uint8_t channelno) {
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if (this->current_channelno_ != channelno) {
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this->current_channelno_ = channelno;
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uint8_t channelbyte = 1 << channelno;
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this->write_byte(0x70, channelbyte);
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}
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}
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} // namespace tca9548a
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} // namespace esphome
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