rbxii3/firmware
1
0
Fork 0
mirror of https://github.com/meshtastic/firmware.git synced 2026-01-04 00:52:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

Revert "TCA8418 initial config + basic 3x4 keypad config (#6320)" (#6410)

Browse Source 
This reverts commit 13101c1bab.
This commit is contained in:
Ben Meadors
2025-03-27 08:31:57 -05:00
committed by GitHub
parent 769f0623be
commit 4590ef2e7b
10 changed files with 18 additions and 749 deletions
Download Patch File Download Diff File Expand all files Collapse all files

83
src/input/TCA8418Keyboard.h
View File

@@ -1,83 +0,0 @@
// Based on the MPR121 Keyboard and Adafruit TCA8418 library
#include "configuration.h"
#include <Wire.h>
#define _TCA8418_NONE 0x00
#define _TCA8418_REBOOT 0x90
#define _TCA8418_LEFT 0xb4
#define _TCA8418_UP 0xb5
#define _TCA8418_DOWN 0xb6
#define _TCA8418_RIGHT 0xb7
#define _TCA8418_ESC 0x1b
#define _TCA8418_BSP 0x08
#define _TCA8418_SELECT 0x0d
class TCA8418Keyboard
{
public:
typedef uint8_t (*i2c_com_fptr_t)(uint8_t dev_addr, uint8_t reg_addr, uint8_t *data, uint8_t len);
enum KeyState { Init = 0, Idle, Held, Busy };
KeyState state;
int8_t last_key;
int8_t next_key;
bool should_backspace;
uint32_t last_tap;
uint8_t char_idx;
int32_t tap_interval;
bool backlight_on;
String queue;
TCA8418Keyboard();
void begin(uint8_t addr = XPOWERS_AXP192_AXP2101_ADDRESS, TwoWire *wire = &Wire);
void begin(i2c_com_fptr_t r, i2c_com_fptr_t w, uint8_t addr = XPOWERS_AXP192_AXP2101_ADDRESS);
void reset(void);
// Configure the size of the keypad.
// All other rows and columns are set as inputs.
bool matrix(uint8_t rows, uint8_t columns);
// Flush all events in the FIFO buffer + GPIO events.
uint8_t flush(void);
// Key events available in the internal FIFO buffer.
uint8_t keyCount(void) const;
void trigger(void);
void pressed(uint8_t key);
void released(void);
bool hasEvent(void);
char dequeueEvent(void);
void queueEvent(char);
uint8_t digitalRead(uint8_t pinnum) const;
bool digitalWrite(uint8_t pinnum, uint8_t level);
bool pinMode(uint8_t pinnum, uint8_t mode);
bool pinIRQMode(uint8_t pinnum, uint8_t mode); // MODE FALLING or RISING
// enable / disable interrupts for matrix and GPI pins
void enableInterrupts();
void disableInterrupts();
// ignore key events when FIFO buffer is full or not.
void enableMatrixOverflow();
void disableMatrixOverflow();
// debounce keys.
void enableDebounce();
void disableDebounce();
void setBacklight(bool on);
uint8_t readRegister(uint8_t reg) const;
void writeRegister(uint8_t reg, uint8_t value);
private:
TwoWire *m_wire;
uint8_t m_addr;
i2c_com_fptr_t readCallback;
i2c_com_fptr_t writeCallback;
};