gpio.h

#ifndef _gpio_h_
#define _gpio_h_

#include "types.h"
#include "wiring_constants.h"

#ifdef __cplusplus
extern "C"{
#endif // __cplusplus



#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
#define bitSet(value, bit) ((value) |= (1UL << (bit)))
#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))

void digitalWrite(uint8_t pin, LogicValue val);

static inline uint8_t digitalRead(uint8_t pin) __attribute__((always_inline, unused));
static inline uint8_t digitalRead(uint8_t pin) {
  return GPIO_ReadInputDataBit(PIN_MAP[pin].port, 1<<PIN_MAP[pin].pin);
}

typedef enum DigitalPolarity {
  ACTIVE_HIGH, ACTIVE_LOW
} DigitalPolarity;

typedef enum LEDOutputMode {
  LED_DIGITAL, LED_PWM
} LEDOutputMode;

void ledInit(uint8_t name, DigitalPolarity polarity, LEDOutputMode mode);
// If it was inited as digital, then cast to 0 or 1. If it was inited as PWM, then this is interpreted as a "brightness" value in [0,1]
void ledWrite(uint8_t name, float val);

// Use Red,Yellow,Green LEDs as a bargraph with three thresholds
void ledConfigBarGraph(uint8_t green, uint8_t yellow, uint8_t red);
void ledBarGraph(float val, float tgreen, float tyellow, float tred);


#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus

#endif