Created mcu hal

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2024-04-28 20:53:28 +03:00
parent 5271553ac6
commit ed469cb213
2 changed files with 536 additions and 0 deletions

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/**** Includes ****/
#include <avr/io.h>
#include <avr/eeprom.h>
#include "mcu_hal.h"
using namespace mcu;
/**** Private definitions ****/
/**** Private constants ****/
/**** Private variables ****/
/**** Private function declarations ****/
static uint8_t gpio_read_level(uint8_t pin_reg, uint8_t mask);
/**** Public function definitions ****/
void mcu::startup(startupCfg_t* hwCfg)
{
// Fail-safe GPIO init
PORTB = 0x00; // Reset PORTB pull-ups
DDRB = 0x00; // Set all as inputs
PORTC = 0x40; // Reset PORTC pull-ups, except reset
DDRC = 0x00; // Set all as inputs
PORTD = 0x00; // Reset PORTD pull-ups
DDRD = 0x00; // Set all as inputs
PORTE = 0x00; // Reset PORTE pull-ups
DDRE = 0x00; // Set all as inputs
// Pull-x set all HiZ
PORTB &= ~0xFF; // Reset pull-ups
DDRB &= ~0xFF; // Set all as inputs
// Inputs set all as HiZ inputs
PORTC &= ~0x3F; // Reset pull-ups
DDRC &= ~0x3F; // Set all as inputs
PORTE &= ~0x0C; // Reset pull-ups
DDRE &= ~0x0C; // Set all as inputs
// Outputs set all low
PORTD &= ~0xFF; // Reset all low
DDRD |= 0xFF; // Set all as outputs
// Ignition input
PORTE |= 0x01; // Set pull-up
DDRE &= ~0x01; // Set all as input
// 5V switched control
PORTE &= ~0x02; // Set low
DDRE |= 0x02; // Set all as output
//ADC configuration
PRR0 &= ~0x01; //Enable ADC power
DIDR0 &= ~0x00; //Enable digital inputs
ADMUX = 0x40; //Set AVCC reference, Right adjust
ADCSRA = 0x00; //ADC Disabled, Single conversion, no IT
ADCSRA |= (uint8_t)hwCfg->adc_clk;
ADCSRB = 0x00; //no trigger input
ADCSRA |= 0x80; //Enable ADC
}
// ADC Interface functions
uint16_t mcu::adc_read(uint8_t ch)
{
//check if ADC is enabled
if(!(ADCSRA&0x80)) return 0xFFFF;
//Safe guard mux
if(ch > 15) return 0xFFFF;
// Not available channels
if((ch > 8) && (ch<14)) return 0xFFFF;
ADMUX &= ~0x0F;
ADMUX |= ch;
ADCSRA |= 0x40;
while(ADCSRA&0x40); //wait to finish
return ADC;
}
// GPIO functions
uint8_t mcu::gpio_read(uint8_t ch)
{
switch(ch)
{
case PIN_PB0:
return gpio_read_level(PINB,0x01);
case PIN_PB1:
return gpio_read_level(PINB,0x02);
case PIN_PB2:
return gpio_read_level(PINB,0x04);
case PIN_PB3:
return gpio_read_level(PINB,0x08);
case PIN_PB4:
return gpio_read_level(PINB,0x10);
case PIN_PB5:
return gpio_read_level(PINB,0x20);
case PIN_PB6:
return gpio_read_level(PINB,0x40);
case PIN_PB7:
return gpio_read_level(PINB,0x80);
case PIN_PC0:
return gpio_read_level(PINC,0x01);
case PIN_PC1:
return gpio_read_level(PINC,0x02);
case PIN_PC2:
return gpio_read_level(PINC,0x04);
case PIN_PC3:
return gpio_read_level(PINC,0x08);
case PIN_PC4:
return gpio_read_level(PINC,0x10);
case PIN_PC5:
return gpio_read_level(PINC,0x20);
case PIN_PD0:
return gpio_read_level(PIND,0x01);
case PIN_PD1:
return gpio_read_level(PIND,0x02);
case PIN_PD2:
return gpio_read_level(PIND,0x04);
case PIN_PD3:
return gpio_read_level(PIND,0x08);
case PIN_PD4:
return gpio_read_level(PIND,0x10);
case PIN_PD5:
return gpio_read_level(PIND,0x20);
case PIN_PD6:
return gpio_read_level(PIND,0x40);
case PIN_PD7:
return gpio_read_level(PIND,0x80);
case PIN_PE0:
return gpio_read_level(PINE,0x01);
case PIN_PE1:
return gpio_read_level(PINE,0x02);
case PIN_PE2:
return gpio_read_level(PINE,0x04);
case PIN_PE3:
return gpio_read_level(PINE,0x08);
default:
return LEVEL_LOW;
}
}
void mcu::gpio_write(uint8_t ch, int8_t lvl)
{
switch(ch)
{
case PIN_PB0:
if(lvl>0){
PORTB |= 0x01;
DDRB |= 0x01;
}
else if(lvl<0){
DDRB &= ~0x01;
PORTB &= ~0x01;
}
else{
PORTB &= ~0x01;
DDRB |= 0x01;
}
return;
case PIN_PB1:
if(lvl>0){
PORTB |= 0x02;
DDRB |= 0x02;
}
else if(lvl<0){
DDRB &= ~0x02;
PORTB &= ~0x02;
}
else{
PORTB &= ~0x02;
DDRB |= 0x02;
}
return;
case PIN_PB2:
if(lvl>0){
PORTB |= 0x04;
DDRB |= 0x04;
}
else if(lvl<0){
DDRB &= ~0x04;
PORTB &= ~0x04;
}
else{
PORTB &= ~0x04;
DDRB |= 0x04;
}
return;
case PIN_PB3:
if(lvl>0){
PORTB |= 0x08;
DDRB |= 0x08;
}
else if(lvl<0){
DDRB &= ~0x08;
PORTB &= ~0x08;
}
else{
PORTB &= ~0x08;
DDRB |= 0x08;
}
return;
case PIN_PB4:
if(lvl>0){
PORTB |= 0x10;
DDRB |= 0x10;
}
else if(lvl<0){
DDRB &= ~0x10;
PORTB &= ~0x10;
}
else{
PORTB &= ~0x10;
DDRB |= 0x10;
}
return;
case PIN_PB5:
if(lvl>0){
PORTB |= 0x20;
DDRB |= 0x20;
}
else if(lvl<0){
DDRB &= ~0x20;
PORTB &= ~0x20;
}
else{
PORTB &= ~0x20;
DDRB |= 0x20;
}
return;
case PIN_PB6:
if(lvl>0){
PORTB |= 0x40;
DDRB |= 0x40;
}
else if(lvl<0){
DDRB &= ~0x40;
PORTB &= ~0x40;
}
else{
PORTB &= ~0x40;
DDRB |= 0x40;
}
return;
case PIN_PB7:
if(lvl>0){
PORTB |= 0x80;
DDRB |= 0x80;
}
else if(lvl<0){
DDRB &= ~0x80;
PORTB &= ~0x80;
}
else{
PORTB &= ~0x80;
DDRB |= 0x80;
}
return;
case PIN_PD0:
if(lvl>0){
PORTD |= 0x01;
DDRD |= 0x01;
}
else{
PORTD &= ~0x01;
DDRD |= 0x01;
}
return;
case PIN_PD1:
if(lvl>0){
PORTD |= 0x02;
DDRD |= 0x02;
}
else{
PORTD &= ~0x02;
DDRD |= 0x02;
}
return;
case PIN_PD2:
if(lvl>0){
PORTD |= 0x04;
DDRD |= 0x04;
}
else{
PORTD &= ~0x04;
DDRD |= 0x04;
}
return;
case PIN_PD3:
if(lvl>0){
PORTD |= 0x08;
DDRD |= 0x08;
}
else{
PORTD &= ~0x08;
DDRD |= 0x08;
}
return;
case PIN_PD4:
if(lvl>0){
PORTD |= 0x10;
DDRD |= 0x10;
}
else{
PORTD &= ~0x10;
DDRD |= 0x10;
}
return;
case PIN_PD5:
if(lvl>0){
PORTD |= 0x20;
DDRD |= 0x20;
}
else{
PORTD &= ~0x20;
DDRD |= 0x20;
}
return;
case PIN_PD6:
if(lvl>0){
PORTD |= 0x40;
DDRD |= 0x40;
}
else{
PORTD &= ~0x40;
DDRD |= 0x40;
}
return;
case PIN_PD7:
if(lvl>0){
PORTD |= 0x80;
DDRD |= 0x80;
}
else{
PORTD &= ~0x80;
DDRD |= 0x80;
}
return;
case PIN_PE1:
if(lvl>0){
PORTE |= 0x02;
DDRE |= 0x02;
}
else{
PORTE &= ~0x02;
DDRE |= 0x02;
}
return;
default:
return;
}
}
uint8_t mcu::eeprom_read8b(uint16_t address)
{
return eeprom_read_byte((uint8_t*)address);
}
uint16_t mcu::eeprom_read16b(uint16_t address)
{
return eeprom_read_word((uint16_t*)address);
}
uint32_t mcu::eeprom_read32b(uint16_t address)
{
return eeprom_read_dword((uint32_t*)address);
}
void mcu::eeprom_write8b(uint16_t address, uint8_t value)
{
eeprom_write_byte((uint8_t*)address, value);
}
void mcu::eeprom_write16b(uint16_t address, uint16_t value)
{
eeprom_write_word((uint16_t*)address, value);
}
void mcu::eeprom_write32b(uint16_t address, uint32_t value)
{
eeprom_write_dword((uint32_t*)address, value);
}
/**** Private function definitions ****/
static uint8_t gpio_read_level(uint8_t pin_reg, uint8_t mask)
{
if(pin_reg&mask) return LEVEL_HIGH;
else return LEVEL_LOW;
}

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#ifndef MCU_HAL_H_
#define MCU_HAL_H_
/**** Includes ****/
#include <stdint.h>
namespace mcu {
/**** Public definitions ****/
/*
*/
const uint8_t PIN_PB0 = 1; // Pull-x 2
const uint8_t PIN_PB1 = 2; // Pull-x 7
const uint8_t PIN_PB2 = 3; // Pull-x 3
const uint8_t PIN_PB3 = 4; // Pull-x 8
const uint8_t PIN_PB4 = 5; // Pull-x 4
const uint8_t PIN_PB5 = 6; // Pull-x 5
const uint8_t PIN_PB6 = 7; // Pull-x 1
const uint8_t PIN_PB7 = 8; // Pull-x 6
const uint8_t PIN_PC0 = 9; // Input 2
const uint8_t PIN_PC1 = 10; // Input 7
const uint8_t PIN_PC2 = 11; // Input 3
const uint8_t PIN_PC3 = 12; // Input 8
const uint8_t PIN_PC4 = 13; // Input 4
const uint8_t PIN_PC5 = 14; // Input 5
const uint8_t PIN_PD0 = 15; // Output 5
const uint8_t PIN_PD1 = 16; // Output 4
const uint8_t PIN_PD2 = 17; // Output 6
const uint8_t PIN_PD3 = 18; // Output 1
const uint8_t PIN_PD4 = 19; // Output 7
const uint8_t PIN_PD5 = 20; // Output 2
const uint8_t PIN_PD6 = 21; // Output 8
const uint8_t PIN_PD7 = 22; // Output 3
const uint8_t PIN_PE0 = 23; // Ignition input
const uint8_t PIN_PE1 = 24; // 5V control
const uint8_t PIN_PE2 = 25; // Input 1
const uint8_t PIN_PE3 = 26; // Input 6
const uint8_t LEVEL_LOW = 0;
const uint8_t LEVEL_HIGH = 1;
const int8_t LEVEL_HIZ = -1;
const uint8_t ADC0 = 0; // Input 1
const uint8_t ADC1 = 1; // Input 2
const uint8_t ADC2 = 2; // Input 3
const uint8_t ADC3 = 3; // Input 4
const uint8_t ADC4 = 4; // Input 5
const uint8_t ADC5 = 5; // Input 6
const uint8_t ADC6 = 6; // Input 7
const uint8_t ADC7 = 7; // Input 8
const uint8_t ADC8 = 8; // MCU temperature
const uint8_t ADC14 = 14; // MCU internal reference
const uint8_t ADC15 = 15; // MCU ground
//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;
} 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);
uint16_t adc_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_ */