#ifndef MCU_HAL_H_
#define MCU_HAL_H_

/**** Includes ****/
#include <stdint.h>

/**** Public definitions ****/
/*
GPIO0	Down
GPIO1	Up
GPIO2	Mode
GPIO3	Handbrake
GPIO4	Brakes
GPIO5	Dimm
GPIO6	LED0
GPIO7	LED1
GPIO8	LED2
GPIO9	LED3
GPIO10	LED4
GPIO11	LED5
GPIO12	DCCD Enable
GPIO13	Handbrake pull
GPIO14	Speed pull
GPIO15	DCCD PWM
GPIO16	LED PWM

ADC0	Output current
ADC1	Output voltage
ADC2	Battery current
ADC3	Battery voltage
ADC4	Potentiometer
ADC5	Mode
ADC8	MCU temperature
ADC14	MCU internal reference
ADC15	MCU ground
*/

#define MCU_GPIO0	0	//Mode
#define MCU_GPIO1	1	//Pot
#define MCU_GPIO2	2	//Down
#define MCU_GPIO3	3	//Up
#define MCU_GPIO4	4	//Dimm
#define MCU_GPIO5	5	//Brakes
#define MCU_GPIO6	6	//Handbrake
#define MCU_GPIO7	7	//Handbrake pull
#define MCU_GPIO8	8	//Speed pull
#define MCU_GPIO9	9	//LED0
#define MCU_GPIO10	10	//LED1
#define MCU_GPIO11	11	//LED2
#define MCU_GPIO12	12	//LED3
#define MCU_GPIO13	13	//LED4
#define MCU_GPIO14	14	//LED5
#define MCU_GPIO15	15	//DCCD Enable
#define MCU_GPIO16	16	//DCCD PWM
#define MCU_GPIO17	17	//LED PWM

#define MCU_GPIO_LOW	0
#define MCU_GPIO_HIGH	1
#define MCU_GPIO_HIZ	-1

#define MCU_ADC0	0	//Output current
#define MCU_ADC1	1	//Output voltage
#define MCU_ADC2	2	//Battery voltage
#define MCU_ADC3	3	//Battery current
#define MCU_ADC4	4	//Potentiometer
#define MCU_ADC5	5	//Mode
#define MCU_ADC8	8	//MCU temperature
#define MCU_ADC14	14	//MCU internal reference
#define MCU_ADC15	15	//MCU ground

#define MCU_PWM0	0	//DCCD
#define MCU_PWM1	1	//LED

//ADC definitions
typedef enum {
	MCU_ADC_DIV2 = 0x01,
	MCU_ADC_DIV4 = 0x02,
	MCU_ADC_DIV8 = 0x03,
	MCU_ADC_DIV16 = 0x04,
	MCU_ADC_DIV32 = 0x05,
	MCU_ADC_DIV64 = 0x06,
	MCU_ADC_DIV128 = 0x07
} adcClkDiv_t;

//Timer definitions
typedef enum {
	MCU_TIM_DIV1 = 0x01,
	MCU_TIM_DIV8 = 0x02,
	MCU_TIM_DIV64 = 0x03,
	MCU_TIM_DIV256 = 0x04,
	MCU_TIM_DIV1024 = 0x05
} timerClkDiv_t;

typedef struct {
	adcClkDiv_t adc_clk;
	timerClkDiv_t pwm_clk;
	uint16_t pwm_top;
	uint8_t pwm_chb_en;
} startupCfg_t;

/**** Public function declarations ****/
void mcu_startup(startupCfg_t* hwCfg);

uint8_t mcu_gpio_read(uint8_t ch);
void mcu_gpio_write(uint8_t ch, int8_t lvl);

uint16_t mcu_adc_read(uint8_t ch);

void mcu_pwm_write(uint8_t ch, uint16_t dc);
uint16_t mcu_pwm_read(uint8_t ch);

uint8_t mcu_ee_read8b(uint16_t address);
uint16_t mcu_ee_read16b(uint16_t address);
uint32_t mcu_ee_read32b(uint16_t address);

void mcu_ee_write8b(uint16_t address, uint8_t value);
void mcu_ee_write16b(uint16_t address, uint16_t value);
void mcu_ee_write32b(uint16_t address, uint32_t value);

#endif /* MCU_HAL_H_ */