diff options
Diffstat (limited to 'hwdef-gchart-fet1-t1616.h')
| -rw-r--r-- | hwdef-gchart-fet1-t1616.h | 120 |
1 files changed, 74 insertions, 46 deletions
diff --git a/hwdef-gchart-fet1-t1616.h b/hwdef-gchart-fet1-t1616.h index 2435b99..2d2b7a6 100644 --- a/hwdef-gchart-fet1-t1616.h +++ b/hwdef-gchart-fet1-t1616.h @@ -1,70 +1,92 @@ -#ifndef HWDEF_GCH_FET1_T1616_H -#define HWDEF_GCH_FET1_T1616_H +// gChart's custom FET+1 driver layout +// Copyright (C) 2020-2023 gchart, Selene ToyKeeper +// SPDX-License-Identifier: GPL-3.0-or-later +#pragma once + +/* + * PB0 - PWM for FET (TCA - WO0) + * PB1 - PWM for 7135 (TCA - WO1) + * PB2 - Switch pin, internal pullup + * PB3 - Aux LED with 4700 Ohm series resistor + * Read voltage from VCC pin, has diode with ~0.4v drop +*/ -/* gChart's custom FET+1 driver layout +#define ATTINY 1616 +#include <avr/io.h> -PB0 - PWM for FET (TCA - WO0) -PB1 - PWM for 7135 (TCA - WO1) -PB2 - Switch pin, internal pullup -PB3 - Aux LED with 4700 Ohm series resistor -Read voltage from VCC pin, has diode with ~0.4v drop +// nearly all t1616-based FET+1 drivers work pretty much the same +// (this one has single-color aux like the TS10) +#define HWDEF_C_FILE hwdef-wurkkos-ts10.c -*/ +// allow using aux LEDs as extra channel modes +#include "chan-aux.h" +// channel modes: +// * 0. FET+7135 stacked +// * 1. aux LEDs +#define NUM_CHANNEL_MODES 2 +enum CHANNEL_MODES { + CM_MAIN = 0, + CM_AUX +}; -#define LAYOUT_DEFINED +#define DEFAULT_CHANNEL_MODE CM_MAIN -#ifdef ATTINY -#undef ATTINY -#endif -#define ATTINY 1616 -#include <avr/io.h> +// right-most bit first, modes are in fedcba9876543210 order +#define CHANNEL_MODES_ENABLED 0b00000001 -#define PWM_CHANNELS 2 -#ifndef SWITCH_PIN -#define SWITCH_PIN PIN2_bp -#define SWITCH_PORT VPORTB.IN -#define SWITCH_ISC_REG PORTB.PIN2CTRL -#define SWITCH_VECT PORTB_PORT_vect -#define SWITCH_INTFLG VPORTB.INTFLAGS -#endif +#define PWM_CHANNELS 2 // old, remove this +#define PWM_BITS 16 // dynamic 16-bit, but never goes over 255 +#define PWM_GET PWM_GET8 +#define PWM_DATATYPE uint16_t // is used for PWM_TOPS (which goes way over 255) +#define PWM_DATATYPE2 uint16_t // only needs 32-bit if ramp values go over 255 +#define PWM1_DATATYPE uint8_t // 1x7135 ramp +#define PWM2_DATATYPE uint8_t // DD FET ramp -// 7135 channel -#ifndef PWM1_PIN -#define PWM1_PIN PB1 // -#define PWM1_LVL TCA0.SINGLE.CMP1 // CMP1 is the output compare register for PB1 -#endif +// PWM parameters of both channels are tied together because they share a counter +#define PWM_TOP TCA0.SINGLE.PERBUF // holds the TOP value for for variable-resolution PWM +#define PWM_TOP_INIT 255 // highest value used in top half of ramp +// not necessary when double-buffered "BUF" registers are used +#define PWM_CNT TCA0.SINGLE.CNT // for resetting phase after each TOP adjustment -// FET channel -#ifndef PWM2_PIN -#define PWM2_PIN PB0 // -#define PWM2_LVL TCA0.SINGLE.CMP0 // CMP0 is the output compare register for PB0 -#endif +// 1x7135 channel +#define CH1_PIN PB1 +#define CH1_PWM TCA0.SINGLE.CMP1BUF // CMP1 is the output compare register for PB1 + +// DD FET channel +#define CH2_PIN PB0 +#define CH2_PWM TCA0.SINGLE.CMP0BUF // CMP0 is the output compare register for PB0 + +// e-switch +#define SWITCH_PIN PIN2_bp +#define SWITCH_PORT VPORTB.IN +#define SWITCH_ISC_REG PORTB.PIN2CTRL +#define SWITCH_VECT PORTB_PORT_vect +#define SWITCH_INTFLG VPORTB.INTFLAGS // average drop across diode on this hardware #ifndef VOLTAGE_FUDGE_FACTOR #define VOLTAGE_FUDGE_FACTOR 8 // 4 = add 0.20V #endif - // lighted button -#ifndef AUXLED_PIN -#define AUXLED_PIN PIN3_bp -#define AUXLED_PORT PORTB -#endif +#define AUXLED_PIN PIN3_bp +#define AUXLED_PORT PORTB -// 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 ); + _PROTECTED_WRITE( CLKCTRL.MCLKCTRLB, + CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm ); //VPORTA.DIR = 0b00000010; - VPORTB.DIR = PIN0_bm | PIN1_bm | PIN3_bm; + // Outputs + VPORTB.DIR = PIN0_bm // DD FET + | PIN1_bm // 7135 + | PIN3_bm; // Aux LED //VPORTC.DIR = 0b00000000; // enable pullups on the input pins to reduce power @@ -97,10 +119,16 @@ inline void hwdef_setup() { // 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; - TCA0.SINGLE.PER = 255; - TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm; + TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm + | TCA_SINGLE_CMP1EN_bm + | TCA_SINGLE_WGMODE_DSBOTTOM_gc; + TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc + | TCA_SINGLE_ENABLE_bm; + + PWM_TOP = PWM_TOP_INIT; + } -#endif +#define LAYOUT_DEFINED + |