hwdef

#ifndef HWDEF_TF_BOOST_HDR_H
#define HWDEF_TF_BOOST_HDR_H



#define LAYOUT_DEFINED

#ifdef ATTINY
#undef ATTINY
#endif
#define ATTINY 1616
#include <avr/io.h>

#define PWM_CHANNELS 1


#ifndef SWITCH_PIN
#define SWITCH_PIN     PIN5_bp
#define SWITCH_PORT    VPORTB.IN
#define SWITCH_ISC_REG PORTB.PIN5CTRL
#define SWITCH_VECT    PORTB_PORT_vect
#define SWITCH_INTFLG  VPORTB.INTFLAGS
#endif

#ifndef PWM1_PIN
#define PWM1_PIN PB0               //
#define PWM1_LVL TCA0.SINGLE.CMP0  // CMP0 is the output compare register for PB0
#endif

//boost enable
#define LED_ENABLE_PIN   PIN5_bp
#define LED_ENABLE_PORT  PORTA_OUT


#define USE_VOLTAGE_DIVIDER       // use a dedicated pin, not VCC, because VCC input is flattened
#define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN7_gc  // which ADC channel to read, AIN7 for PA7

// Raw ADC readings at 4.4V and 2.2V
// calibrate the voltage readout here
// estimated / calculated values are:
// [(Vbatt)*(R2/(R2+R1)) / 1.1] * 1023
// R1 = R2 = 100kR
#ifndef ADC_44
#define ADC_44 804
#endif
#ifndef ADC_22
#define ADC_22 402
#endif


// this driver allows for aux LEDs under the optic
#ifndef AUXLED_R_PIN
#define AUXLED_R_PIN  PIN1_bp
#endif
#ifndef AUXLED_G_PIN
#define AUXLED_G_PIN  PIN2_bp
#endif
#ifndef AUXLED_B_PIN
#define AUXLED_B_PIN  PIN3_bp
#endif

#define AUXLED_RGB_PORT PORTA  // PORTA or PORTB or PORTC



// with so many pins, doing this all with #ifdefs gets awkward...
// ... so just hardcode it in each hwdef file instead
inline void hwdef_setup() {

    // set up the system clock to run at 5 MHz instead of the default 3.33 MHz
    _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm );

    VPORTA.DIR = PIN5_bm;  //enable
    VPORTB.DIR = PIN0_bm;   // PWM
    VPORTA.DIR = PIN1_bm; //R
    VPORTA.DIR = PIN2_bm; //G
    VPORTA.DIR = PIN3_bm; //B

    //VPORTC.DIR = PIN0_bm | PIN1_bm;  // PWM pins as output
    //VPORTA.DIR = PIN6_bm; // current range pin


    // enable pullups on the input pins to reduce power
    PORTA.PIN0CTRL = PORT_PULLUPEN_bm;
    //PORTA.PIN1CTRL = PORT_PULLUPEN_bm;R
    //PORTA.PIN2CTRL = PORT_PULLUPEN_bm;G
    //PORTA.PIN3CTRL = PORT_PULLUPEN_bm;B
    PORTA.PIN4CTRL = PORT_PULLUPEN_bm;
    //PORTA.PIN5CTRL = PORT_PULLUPEN_bm; enable
    PORTA.PIN6CTRL = PORT_PULLUPEN_bm; //
    //PORTA.PIN7CTRL = PORT_PULLUPEN_bm; // Vbat

    //PORTB.PIN0CTRL = PORT_PULLUPEN_bm; //  PWM
    PORTB.PIN1CTRL = PORT_PULLUPEN_bm; //
    PORTB.PIN2CTRL = PORT_PULLUPEN_bm; //
    PORTB.PIN3CTRL = PORT_PULLUPEN_bm;  //
    PORTB.PIN4CTRL = PORT_PULLUPEN_bm; //
    PORTB.PIN5CTRL = PORT_PULLUPEN_bm | PORT_ISC_BOTHEDGES_gc;   // e-switch

    PORTC.PIN0CTRL = PORT_PULLUPEN_bm; //
    PORTC.PIN1CTRL = PORT_PULLUPEN_bm; //
    PORTC.PIN2CTRL = PORT_PULLUPEN_bm;
    PORTC.PIN3CTRL = PORT_PULLUPEN_bm;


     //set up PWM TCA
    TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_WGMODE_SINGLESLOPE_gc;
    TCA0.SINGLE.PER = 255;
    TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm;

}


#endif