48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <nrfx_twi.h>
|
||
|
|
|
||
|
|
namespace Pinetime {
|
||
|
|
namespace Drivers {
|
||
|
|
class Cst816S {
|
||
|
|
public :
|
||
|
|
struct TouchInfos {
|
||
|
|
uint16_t x;
|
||
|
|
uint16_t y;
|
||
|
|
uint8_t action;
|
||
|
|
uint8_t finger;
|
||
|
|
uint8_t pressure;
|
||
|
|
uint8_t area;
|
||
|
|
bool isTouch = false;
|
||
|
|
};
|
||
|
|
|
||
|
|
void Init();
|
||
|
|
void Probe();
|
||
|
|
TouchInfos GetTouchInfo();
|
||
|
|
private:
|
||
|
|
static constexpr uint8_t pinIrq = 28;
|
||
|
|
static constexpr uint8_t pinReset = 10;
|
||
|
|
static constexpr uint8_t address = 0x15;
|
||
|
|
static constexpr uint8_t lastTouchId = 0x0f;
|
||
|
|
static constexpr uint8_t touchPointNumIndex = 2;
|
||
|
|
static constexpr uint8_t touchMiscIndex = 8;
|
||
|
|
static constexpr uint8_t touchXYIndex = 7;
|
||
|
|
static constexpr uint8_t touchEventIndex = 3;
|
||
|
|
static constexpr uint8_t touchXHighIndex = 3;
|
||
|
|
static constexpr uint8_t touchXLowIndex = 4;
|
||
|
|
static constexpr uint8_t touchYHighIndex = 5;
|
||
|
|
static constexpr uint8_t touchYLowIndex = 6;
|
||
|
|
static constexpr uint8_t touchIdIndex = 5;
|
||
|
|
static constexpr uint8_t touchStep = 6;
|
||
|
|
|
||
|
|
uint8_t touchData[63];
|
||
|
|
|
||
|
|
// TODO TWI (i²C) should be created outside and injected into this class
|
||
|
|
// It will be needed when implementing other I²C devices
|
||
|
|
// (0x15 = touch, 0x18 = accelerometer, 0x44 = HR sensor)
|
||
|
|
nrfx_twi_t twi = NRFX_TWI_INSTANCE(1); // Use instance 1, because instance 0 is already used by SPI
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|