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// Wurkkos TS25 driver layout
// Copyright (C) 2022-2023 (FIXME)
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
/*
* Driver pinout:
* eSwitch: PA5
* PWM FET: PB0 (TCA0 WO0)
* PWM 1x7135: PB1 (TCA0 WO1)
* Voltage: VCC
* Aux Blue: PC1
* Aux Red: PC2
* Aux Green: PC3
*/
#define LAYOUT_DEFINED
#ifdef ATTINY
#undef ATTINY
#endif
#define ATTINY 1616
#include <avr/io.h>
#define PWM_CHANNELS 2
#define PWM_BITS 16
#define PWM_TOP 255
#define USE_DYN_PWM
#ifndef SWITCH_PIN
#define SWITCH_PIN PIN5_bp
#define SWITCH_PORT VPORTA.IN
#define SWITCH_ISC_REG PORTA.PIN2CTRL
#define SWITCH_VECT PORTA_PORT_vect
#define SWITCH_INTFLG VPORTA.INTFLAGS
#endif
// 7135 channel
#ifndef PWM1_PIN
#define PWM1_PIN PB1 //
#define PWM1_LVL TCA0.SINGLE.CMP1BUF // CMP1 is the output compare register for PB1
#endif
// FET channel
#ifndef PWM2_PIN
#define PWM2_PIN PB0 //
#define PWM2_LVL TCA0.SINGLE.CMP0BUF // CMP0 is the output compare register for PB0
#endif
// PWM parameters of both channels are tied together because they share a counter
#define PWM1_TOP TCA0.SINGLE.PERBUF // holds the TOP value for for variable-resolution PWM
// not necessary when double-buffered "BUF" registers are used
#define PWM1_CNT TCA0.SINGLE.CNT // for resetting phase after each TOP adjustment
#define PWM1_PHASE_RESET_OFF // force reset while shutting off
#define PWM1_PHASE_RESET_ON // force reset while turning on
// average drop across diode on this hardware
#ifndef VOLTAGE_FUDGE_FACTOR
#define VOLTAGE_FUDGE_FACTOR 7 // add 0.35V
#endif
// this driver allows for aux LEDs under the optic
#define AUXLED_B_PIN PIN1_bp // pin 1
#define AUXLED_R_PIN PIN2_bp // pin 2
#define AUXLED_G_PIN PIN3_bp // pin 3
#define AUXLED_RGB_PORT PORTC // 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 10 MHz instead of the default 3.33 MHz
_PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm );
//VPORTA.DIR = ...;
VPORTB.DIR = PIN0_bm | PIN1_bm; // Outputs: PWMs
VPORTC.DIR = PIN1_bm | PIN2_bm | PIN3_bm;
// enable pullups on the unused pins to reduce power
PORTA.PIN0CTRL = PORT_PULLUPEN_bm;
PORTA.PIN1CTRL = PORT_PULLUPEN_bm;
PORTA.PIN2CTRL = PORT_PULLUPEN_bm;
PORTA.PIN3CTRL = PORT_PULLUPEN_bm;
PORTA.PIN4CTRL = PORT_PULLUPEN_bm;
PORTA.PIN5CTRL = PORT_PULLUPEN_bm | PORT_ISC_BOTHEDGES_gc; // eSwitch
PORTA.PIN6CTRL = PORT_PULLUPEN_bm;
PORTA.PIN7CTRL = PORT_PULLUPEN_bm;
//PORTB.PIN0CTRL = PORT_PULLUPEN_bm; // FET channel
//PORTB.PIN1CTRL = PORT_PULLUPEN_bm; // 7135 channel
PORTB.PIN2CTRL = PORT_PULLUPEN_bm;
PORTB.PIN3CTRL = PORT_PULLUPEN_bm;
PORTB.PIN4CTRL = PORT_PULLUPEN_bm;
PORTB.PIN5CTRL = PORT_PULLUPEN_bm;
PORTC.PIN0CTRL = PORT_PULLUPEN_bm;
//PORTC.PIN1CTRL = PORT_PULLUPEN_bm; // RGB Aux
//PORTC.PIN2CTRL = PORT_PULLUPEN_bm; // RGB Aux
//PORTC.PIN3CTRL = PORT_PULLUPEN_bm; // RGB Aux
// set up the PWM
// https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny1614-16-17-DataSheet-DS40002204A.pdf
// PB0 is TCA0:WO0, use TCA_SINGLE_CMP0EN_bm
// PB1 is TCA0:WO1, use TCA_SINGLE_CMP1EN_bm
// PB2 is TCA0:WO2, use TCA_SINGLE_CMP2EN_bm
// For Fast (Single Slope) PWM use TCA_SINGLE_WGMODE_SINGLESLOPE_gc
// For Phase Correct (Dual Slope) PWM use TCA_SINGLE_WGMODE_DSBOTTOM_gc
// See the manual for other pins, clocks, configs, portmux, etc
TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | TCA_SINGLE_CMP1EN_bm | TCA_SINGLE_WGMODE_DSBOTTOM_gc;
PWM1_TOP = PWM_TOP;
TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm;
}
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