mirror of
https://github.com/meshtastic/firmware.git
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5ff8c904c8
Implements an input driver utilising the MPR121 Touch IC and is compatible with common MPR121 keypad PCB's. - Implements a "candybar" phone style 12-key keypad - multiple taps to rotate through the character set - longpress for navigation keys - keymap to allow arbitrary routing of MPR121 pin to button configuration - extendable to other key functions - Integrates with the existing kbI2cBase implementation - Works with CannedMessageModule Freetext mode - Can be used with common MPR121 boards, such as https://www.amazon.com/MPR121-Capacitive-Keyboard-Buttons-Sensitive/dp/B083R89CHB/ref=sr_1_6 - Of use for PCB based radios, where some form of low surface area low component freetext input is required, but also without consuming too many IO pins. - Tested on a T3S3 connected to Wire1 (Second) interface. - Demonstration of functionality: https://youtu.be/UI6QP6nGvhY
129 lines
2.6 KiB
C++
129 lines
2.6 KiB
C++
#pragma once
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#include <stddef.h>
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#include <stdint.h>
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class ScanI2C
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{
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public:
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typedef enum DeviceType {
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NONE,
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SCREEN_SSD1306,
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SCREEN_SH1106,
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SCREEN_UNKNOWN, // has the same address as the two above but does not respond to the same commands
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SCREEN_ST7567,
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ATECC608B,
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RTC_RV3028,
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RTC_PCF8563,
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CARDKB,
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TDECKKB,
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BBQ10KB,
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RAK14004,
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PMU_AXP192_AXP2101,
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BME_680,
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BME_280,
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BMP_280,
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BMP_085,
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BMP_3XX,
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INA260,
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INA219,
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INA3221,
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MAX17048,
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MCP9808,
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SHT31,
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SHT4X,
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SHTC3,
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LPS22HB,
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QMC6310,
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QMI8658,
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QMC5883L,
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HMC5883L,
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PMSA0031,
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MPU6050,
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LIS3DH,
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BMA423,
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BQ24295,
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LSM6DS3,
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TCA9535,
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TCA9555,
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VEML7700,
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RCWL9620,
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NCP5623,
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TSL2591,
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OPT3001,
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MLX90632,
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MLX90614,
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AHT10,
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BMX160,
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DFROBOT_LARK,
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NAU7802,
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FT6336U,
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STK8BAXX,
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ICM20948,
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MAX30102,
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TPS65233,
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MPR121KB
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} DeviceType;
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// typedef uint8_t DeviceAddress;
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typedef enum I2CPort {
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NO_I2C,
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WIRE,
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WIRE1,
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} I2CPort;
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typedef struct DeviceAddress {
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// set default values for ADDRESS_NONE
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I2CPort port = I2CPort::NO_I2C;
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uint8_t address = 0;
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explicit DeviceAddress(I2CPort port, uint8_t address);
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DeviceAddress();
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bool operator<(const DeviceAddress &other) const;
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} DeviceAddress;
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static const DeviceAddress ADDRESS_NONE;
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typedef uint8_t RegisterAddress;
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typedef struct FoundDevice {
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DeviceType type;
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DeviceAddress address;
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explicit FoundDevice(DeviceType = DeviceType::NONE, DeviceAddress = ADDRESS_NONE);
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} FoundDevice;
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static const FoundDevice DEVICE_NONE;
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public:
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ScanI2C();
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virtual void scanPort(ScanI2C::I2CPort);
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virtual void scanPort(ScanI2C::I2CPort, uint8_t *, uint8_t);
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/*
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* A bit of a hack, this tells the scanner not to tell later systems there is a screen to avoid enabling it.
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*/
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void setSuppressScreen();
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FoundDevice firstScreen() const;
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FoundDevice firstRTC() const;
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FoundDevice firstKeyboard() const;
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FoundDevice firstAccelerometer() const;
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virtual FoundDevice find(DeviceType) const;
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virtual bool exists(DeviceType) const;
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virtual size_t countDevices() const;
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protected:
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virtual FoundDevice firstOfOrNONE(size_t, DeviceType[]) const;
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private:
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bool shouldSuppressScreen = false;
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}; |