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Format code according to conventions (#16686)
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@ -33,34 +33,34 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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* Table 6 (p24)
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* Table 6 (p24)
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*/
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*/
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// Clear display
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// Clear display
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#define HD44780_CMD_CLEAR_DISPLAY 0x01
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#define HD44780_CMD_CLEAR_DISPLAY 0x01
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// Return home
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// Return home
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#define HD44780_CMD_RETURN_HOME 0x02
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#define HD44780_CMD_RETURN_HOME 0x02
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// Entry mode set
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// Entry mode set
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#define HD44780_CMD_ENTRY_MODE 0x04
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#define HD44780_CMD_ENTRY_MODE 0x04
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#define HD44780_ENTRY_MODE_INC 0x02 // I/D
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#define HD44780_ENTRY_MODE_INC 0x02 // I/D
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#define HD44780_ENTRY_MODE_SHIFT 0x01 // S
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#define HD44780_ENTRY_MODE_SHIFT 0x01 // S
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// Display on/off control
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// Display on/off control
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#define HD44780_CMD_DISPLAY 0x08
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#define HD44780_CMD_DISPLAY 0x08
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#define HD44780_DISPLAY_ON 0x04 // D
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#define HD44780_DISPLAY_ON 0x04 // D
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#define HD44780_DISPLAY_CURSOR 0x02 // C
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#define HD44780_DISPLAY_CURSOR 0x02 // C
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#define HD44780_DISPLAY_BLINK 0x01 // B
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#define HD44780_DISPLAY_BLINK 0x01 // B
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// Cursor or display shift
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// Cursor or display shift
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#define HD44780_CMD_MOVE 0x10
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#define HD44780_CMD_MOVE 0x10
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#define HD44780_MOVE_DISPLAY 0x08 // S/C
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#define HD44780_MOVE_DISPLAY 0x08 // S/C
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#define HD44780_MOVE_RIGHT 0x04 // R/L
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#define HD44780_MOVE_RIGHT 0x04 // R/L
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// Function set
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// Function set
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#define HD44780_CMD_FUNCTION 0x20
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#define HD44780_CMD_FUNCTION 0x20
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#define HD44780_FUNCTION_8_BIT 0x10 // DL
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#define HD44780_FUNCTION_8_BIT 0x10 // DL
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#define HD44780_FUNCTION_2_LINES 0x08 // N
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#define HD44780_FUNCTION_2_LINES 0x08 // N
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#define HD44780_FUNCTION_5X10_DOTS 0x04 // F
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#define HD44780_FUNCTION_5X10_DOTS 0x04 // F
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// Set CGRAM address
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// Set CGRAM address
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#define HD44780_CMD_SET_CGRAM_ADDRESS 0x40
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#define HD44780_CMD_SET_CGRAM_ADDRESS 0x40
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// Set DDRAM address
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// Set DDRAM address
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#define HD44780_CMD_SET_DDRAM_ADDRESS 0x80
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#define HD44780_CMD_SET_DDRAM_ADDRESS 0x80
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// Bitmask for busy flag when reading
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// Bitmask for busy flag when reading
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#define HD44780_BUSY_FLAG 0x80
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#define HD44780_BUSY_FLAG 0x80
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/**
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/**
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* \brief Write a byte to the display.
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* \brief Write a byte to the display.
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@ -72,7 +72,7 @@ void hd44780_write(uint8_t data, bool isData);
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/**
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/**
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* \brief Read a byte from the display.
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* \brief Read a byte from the display.
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*
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*
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* \param isData Whether to read the current cursor position, or the character at the cursor.
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* \param isData Whether to read the current cursor position, or the character at the cursor.
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*
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*
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* \return If `isData` is `true`, the returned byte will be the character at the current DDRAM address. Otherwise, it will be the current DDRAM address and the busy flag.
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* \return If `isData` is `true`, the returned byte will be the character at the current DDRAM address. Otherwise, it will be the current DDRAM address and the busy flag.
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@ -90,7 +90,7 @@ bool hd44780_busy(void);
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* \brief Send a command to the display. Refer to the datasheet for the valid commands.
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* \brief Send a command to the display. Refer to the datasheet for the valid commands.
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*
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*
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* This function waits for the display to clear the busy flag before sending the command.
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* This function waits for the display to clear the busy flag before sending the command.
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*
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*
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* \param command The command to send.
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* \param command The command to send.
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*/
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*/
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void hd44780_command(uint8_t command);
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void hd44780_command(uint8_t command);
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@ -163,7 +163,7 @@ void hd44780_init(bool cursor, bool blink);
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/**
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/**
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* \brief Move the cursor to the specified position on the display.
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* \brief Move the cursor to the specified position on the display.
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*
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*
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* \param col The column number to move to, from 0 to 15 on 16x2 displays.
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* \param col The column number to move to, from 0 to 15 on 16x2 displays.
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* \param line The line number to move to, either 0 or 1 on 16x2 displays.
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* \param line The line number to move to, either 0 or 1 on 16x2 displays.
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*/
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*/
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@ -179,7 +179,7 @@ void hd44780_define_char(uint8_t index, uint8_t *data);
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/**
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/**
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* \brief Print a character to the display. The newline character will move the cursor to the start of the next line.
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* \brief Print a character to the display. The newline character will move the cursor to the start of the next line.
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*
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*
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* The exact character shown may depend on the ROM code of your particular display - refer to the datasheet for the full character set.
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* The exact character shown may depend on the ROM code of your particular display - refer to the datasheet for the full character set.
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*
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*
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* \param c The character to print.
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* \param c The character to print.
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