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Update mcp4461.h

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Oliver Kleinecke 2025-02-20 14:52:53 +01:00 committed by GitHub
parent 28f2609eef
commit e03df410cd
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1 changed files with 14 additions and 0 deletions
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esphome/components/mcp4461/mcp4461.h
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@ -120,16 +120,22 @@ class Mcp4461Component : public Component, public i2c::I2CDevice {
void update_write_protection_status_(); void update_write_protection_status_();
/// @brief fetch wiper address for given wiper /// @brief fetch wiper address for given wiper
/// @param[wiper] wiper to fetch address for, int in range 0-7 /// @param[wiper] wiper to fetch address for, int in range 0-7
/// @return wiper address from Mcp4461Addresses
uint8_t get_wiper_address_(uint8_t wiper); uint8_t get_wiper_address_(uint8_t wiper);
/// @brief internal i2c function to read given wiper value /// @brief internal i2c function to read given wiper value
/// @return uint16_t value in range 0-256 representing current wiper state/level
uint16_t read_wiper_level_(uint8_t wiper); uint16_t read_wiper_level_(uint8_t wiper);
/// @brief fetch device status register values /// @brief fetch device status register values
/// @return uint8_t status register value - see datasheet for bit values
uint8_t get_status_register_(); uint8_t get_status_register_();
/// @brief read current level/state of given wiper with validation checks /// @brief read current level/state of given wiper with validation checks
/// @return uint16_t value in range 0-256 representing current wiper state/level
uint16_t get_wiper_level_(Mcp4461WiperIdx wiper); uint16_t get_wiper_level_(Mcp4461WiperIdx wiper);
/// @brief set level/state of given wiper /// @brief set level/state of given wiper
/// @return bool - true on success, false on error/warning
bool set_wiper_level_(Mcp4461WiperIdx wiper, uint16_t value); bool set_wiper_level_(Mcp4461WiperIdx wiper, uint16_t value);
/// @brief update current level/state of given wiper /// @brief update current level/state of given wiper
/// @return bool - true on success, false on error/warning
bool update_wiper_level_(Mcp4461WiperIdx wiper); bool update_wiper_level_(Mcp4461WiperIdx wiper);
/// @brief enable given wiper /// @brief enable given wiper
/// @param[wiper] wiper to enable /// @param[wiper] wiper to enable
@ -139,9 +145,11 @@ class Mcp4461Component : public Component, public i2c::I2CDevice {
void disable_wiper_(Mcp4461WiperIdx wiper); void disable_wiper_(Mcp4461WiperIdx wiper);
/// @brief increase given wiper /// @brief increase given wiper
/// @param[wiper] wiper to increase /// @param[wiper] wiper to increase
/// @return bool - true on success, false on error/warning
bool increase_wiper_(Mcp4461WiperIdx wiper); bool increase_wiper_(Mcp4461WiperIdx wiper);
/// @brief increase given wiper /// @brief increase given wiper
/// @param[wiper] wiper to increase /// @param[wiper] wiper to increase
/// @return bool - true on success, false on error/warning
bool decrease_wiper_(Mcp4461WiperIdx wiper); bool decrease_wiper_(Mcp4461WiperIdx wiper);
/// @brief enable terminal of wiper /// @brief enable terminal of wiper
/// @param[wiper] desired wiper for which the terminal shall be enabled /// @param[wiper] desired wiper for which the terminal shall be enabled
@ -150,23 +158,29 @@ class Mcp4461Component : public Component, public i2c::I2CDevice {
/// @param[wiper] desired wiper for which the terminal shall be disabled /// @param[wiper] desired wiper for which the terminal shall be disabled
void disable_terminal_(Mcp4461WiperIdx, char terminal); void disable_terminal_(Mcp4461WiperIdx, char terminal);
/// @brief check if device is still busy writing to eeprom /// @brief check if device is still busy writing to eeprom
/// @return bool - true if device is currently writing to eeprom
bool is_writing_(); bool is_writing_();
/// @brief wait until timeout if device is busy /// @brief wait until timeout if device is busy
/// @param[wait_if_not_ready] set to true to wait until timeout again, if previous write timed out already /// @param[wait_if_not_ready] set to true to wait until timeout again, if previous write timed out already
/// @return bool - true if device eeprom still busy, false if rdy for write to nonvolatile wiper/eeprom
bool is_eeprom_ready_for_writing_(bool wait_if_not_ready); bool is_eeprom_ready_for_writing_(bool wait_if_not_ready);
/// @brief set wiper level /// @brief set wiper level
/// @param[wiper] wiper for which the new state shall be set /// @param[wiper] wiper for which the new state shall be set
/// @param[value] the int value in range 0-256 the wiper shall be set to /// @param[value] the int value in range 0-256 the wiper shall be set to
void write_wiper_level_(uint8_t wiper, uint16_t value); void write_wiper_level_(uint8_t wiper, uint16_t value);
/// @brief internal i2c write function /// @brief internal i2c write function
/// @return bool - true write successful, false if not
bool mcp4461_write_(uint8_t addr, uint16_t data, bool nonvolatile = false); bool mcp4461_write_(uint8_t addr, uint16_t data, bool nonvolatile = false);
/// @brief calculate correct terminal register values /// @brief calculate correct terminal register values
/// @return uint8_t - calculated terminal register value for current internal terminal states
uint8_t calc_terminal_connector_byte_(Mcp4461TerminalIdx terminal_connector); uint8_t calc_terminal_connector_byte_(Mcp4461TerminalIdx terminal_connector);
/// @brief internal function to update terminal registers /// @brief internal function to update terminal registers
void update_terminal_register_(Mcp4461TerminalIdx terminal_connector); void update_terminal_register_(Mcp4461TerminalIdx terminal_connector);
/// @brief internal function to get terminal register values /// @brief internal function to get terminal register values
/// /// @return uint8_t - get terminal register value of specified terminal
uint8_t get_terminal_register_(Mcp4461TerminalIdx terminal_connector); uint8_t get_terminal_register_(Mcp4461TerminalIdx terminal_connector);
/// @brief internal function to set terminal registers /// @brief internal function to set terminal registers
/// @return bool - true if write successful, false if not
bool set_terminal_register_(Mcp4461TerminalIdx terminal_connector, uint8_t data); bool set_terminal_register_(Mcp4461TerminalIdx terminal_connector, uint8_t data);
WiperState reg_[8]; WiperState reg_[8];