board abstraction

firmware/src/board/mcu/mcu_hal.h

@@ -0,0 +1,125 @@
+#ifndef MCU_HAL_H_
+#define MCU_HAL_H_
+
+/**** Includes ****/
+#include <stdint.h>
+
+namespace mcu {
+
+/**** 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
+*/
+
+const uint8_t GPIO0 = 0;	//PC5 Mode
+const uint8_t GPIO1 = 1;	//PC4 Pot  
+const uint8_t GPIO2 = 2;	//PE1 Down
+const uint8_t GPIO3 = 3;	//PE3 Up
+const uint8_t GPIO4 = 4;	//PD7 Dimm
+const uint8_t GPIO5 = 5;	//PB7 Brakes
+const uint8_t GPIO6 = 6;	//PB6 Handbrake
+const uint8_t GPIO7 = 7;	//PB5 Handbrake pull
+const uint8_t GPIO8 = 8;	//PD6 Speed pull
+const uint8_t GPIO9 = 9;	//PD0 LED0
+const uint8_t GPIO10 = 10;	//PD1 LED1
+const uint8_t GPIO11 = 11;	//PD2 LED2
+const uint8_t GPIO12 = 12;	//PD3 LED3
+const uint8_t GPIO13 = 13;	//PD4 LED4
+const uint8_t GPIO14 = 14;	//PD5 LED5
+const uint8_t GPIO15 = 15;	//PB0 DCCD Enable
+const uint8_t GPIO16 = 16;	//PB1 DCCD PWM
+const uint8_t GPIO17 = 17;	//PB2 LED PWM
+
+const uint8_t LEVEL_LOW  = 0;
+const uint8_t LEVEL_HIGH = 1;
+const int8_t LEVEL_HIZ   = -1;
+
+const uint8_t ADC0 = 0;	//Output current
+const uint8_t ADC1 = 1;	//Output voltage
+const uint8_t ADC2 = 2;	//Battery voltage
+const uint8_t ADC3 = 3;	//Battery current
+const uint8_t ADC4 = 4;	//Potentiometer
+const uint8_t ADC5 = 5;	//Mode
+const uint8_t ADC8 = 8;	//MCU temperature
+const uint8_t ADC14 = 14;	//MCU internal reference
+const uint8_t ADC15 = 15;	//MCU ground
+
+const uint8_t PWM0 = 0;	//DCCD
+const uint8_t PWM1 = 1;	//LED
+
+//ADC definitions
+typedef enum {
+	ADC_DIV2 = 0x01,
+	ADC_DIV4 = 0x02,
+	ADC_DIV8 = 0x03,
+	ADC_DIV16 = 0x04,
+	ADC_DIV32 = 0x05,
+	ADC_DIV64 = 0x06,
+	ADC_DIV128 = 0x07
+} adcClkDiv_t;
+
+//Timer definitions
+typedef enum {
+	TIM_DIV1 = 0x01,
+	TIM_DIV8 = 0x02,
+	TIM_DIV64 = 0x03,
+	TIM_DIV256 = 0x04,
+	TIM_DIV1024 = 0x05
+} timerClkDiv_t;
+
+typedef struct {
+	adcClkDiv_t adc_clk;
+	timerClkDiv_t pwm_clk;
+	uint16_t pwm_top;
+	uint8_t pwm_ch1_en;
+} startupCfg_t;
+
+/**** Public function declarations ****/
+void startup(startupCfg_t* hwCfg);
+
+uint8_t gpio_read(uint8_t ch);
+void gpio_write(uint8_t ch, int8_t lvl);
+void gpio_write_pull(uint8_t ch, int8_t lvl);
+
+uint16_t adc_read(uint8_t ch);
+
+void pwm_write(uint8_t ch, uint16_t dc);
+uint16_t pwm_read(uint8_t ch);
+
+uint8_t eeprom_read8b(uint16_t address);
+uint16_t eeprom_read16b(uint16_t address);
+uint32_t eeprom_read32b(uint16_t address);
+
+void eeprom_write8b(uint16_t address, uint8_t value);
+void eeprom_write16b(uint16_t address, uint16_t value);
+void eeprom_write32b(uint16_t address, uint32_t value);
+
+} //namespace
+
+#endif /* MCU_HAL_H_ */