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Code Issues Releases Wiki Activity

I2c raw cmds with multiplexer (#1817)

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Co-authored-by: Maurice Makaay <mmakaay1@xs4all.net>
This commit is contained in:
Maurice Makaay
2021-06-01 00:36:25 +02:00
committed by GitHub
parent 9a2cd71571
commit 56974153f1
5 changed files with 41 additions and 15 deletions
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30
esphome/components/i2c/i2c.cpp
View File

@@ -193,12 +193,36 @@ void I2CDevice::check_multiplexer_() {
}
#endif
void I2CDevice::raw_begin_transmission() { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
#endif
this->parent_->raw_begin_transmission(this->address_);
}
bool I2CDevice::raw_end_transmission(bool send_stop) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
#endif
return this->parent_->raw_end_transmission(this->address_, send_stop);
}
void I2CDevice::raw_write(const uint8_t *data, uint8_t len) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
#endif
this->parent_->raw_write(this->address_, data, len);
}
bool I2CDevice::read_bytes(uint8_t a_register, uint8_t *data, uint8_t len, uint32_t conversion) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
#endif
return this->parent_->read_bytes(this->address_, a_register, data, len, conversion);
}
bool I2CDevice::read_bytes_raw(uint8_t *data, uint8_t len) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
#endif
return this->parent_->read_bytes_raw(this->address_, data, len);
}
bool I2CDevice::read_byte(uint8_t a_register, uint8_t *data, uint32_t conversion) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
@@ -211,6 +235,12 @@ bool I2CDevice::write_bytes(uint8_t a_register, const uint8_t *data, uint8_t len
#endif
return this->parent_->write_bytes(this->address_, a_register, data, len);
}
bool I2CDevice::write_bytes_raw(const uint8_t *data, uint8_t len) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();
#endif
return this->parent_->write_bytes_raw(this->address_, data, len);
}
bool I2CDevice::write_byte(uint8_t a_register, uint8_t data) { // NOLINT
#ifdef USE_I2C_MULTIPLEXER
this->check_multiplexer_();

14
esphome/components/i2c/i2c.h
View File

@@ -178,15 +178,13 @@ class I2CDevice {
I2CRegister reg(uint8_t a_register) { return {this, a_register}; }
/// Begin a write transmission.
void raw_begin_transmission() { this->parent_->raw_begin_transmission(this->address_); };
void raw_begin_transmission();
/// End a write transmission, return true if successful.
bool raw_end_transmission(bool send_stop = true) {
return this->parent_->raw_end_transmission(this->address_, send_stop);
};
bool raw_end_transmission(bool send_stop = true);
/// Write len amount of bytes from data. begin_transmission_ must be called before this.
void raw_write(const uint8_t *data, uint8_t len) { this->parent_->raw_write(this->address_, data, len); };
void raw_write(const uint8_t *data, uint8_t len);
/** Read len amount of bytes from a register into data. Optionally with a conversion time after
* writing the register value to the bus.
@@ -198,7 +196,7 @@ class I2CDevice {
* @return If the operation was successful.
*/
bool read_bytes(uint8_t a_register, uint8_t *data, uint8_t len, uint32_t conversion = 0);
bool read_bytes_raw(uint8_t *data, uint8_t len) { return this->parent_->read_bytes_raw(this->address_, data, len); }
bool read_bytes_raw(uint8_t *data, uint8_t len);
template<size_t N> optional<std::array<uint8_t, N>> read_bytes(uint8_t a_register) {
std::array<uint8_t, N> res;
@@ -246,9 +244,7 @@ class I2CDevice {
* @return If the operation was successful.
*/
bool write_bytes(uint8_t a_register, const uint8_t *data, uint8_t len);
bool write_bytes_raw(const uint8_t *data, uint8_t len) {
return this->parent_->write_bytes_raw(this->address_, data, len);
}
bool write_bytes_raw(const uint8_t *data, uint8_t len);
/** Write a vector of data to a register.
*