diff options
Diffstat (limited to 'hw/gchart/fet1-t1616/hwdef.h')
| -rw-r--r-- | hw/gchart/fet1-t1616/hwdef.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/hw/gchart/fet1-t1616/hwdef.h b/hw/gchart/fet1-t1616/hwdef.h new file mode 100644 index 0000000..2d2b7a6 --- /dev/null +++ b/hw/gchart/fet1-t1616/hwdef.h @@ -0,0 +1,134 @@ +// 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 +*/ + +#define ATTINY 1616 +#include <avr/io.h> + +// 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 DEFAULT_CHANNEL_MODE CM_MAIN + +// right-most bit first, modes are in fedcba9876543210 order +#define CHANNEL_MODES_ENABLED 0b00000001 + + +#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 + +// 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 + +// 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 +#define AUXLED_PIN PIN3_bp +#define AUXLED_PORT PORTB + + +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 = 0b00000010; + // 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 + 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; + 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 | PORT_ISC_BOTHEDGES_gc; // switch + //PORTB.PIN3CTRL = PORT_PULLUPEN_bm; // Aux LED + PORTB.PIN4CTRL = PORT_PULLUPEN_bm; + PORTB.PIN5CTRL = PORT_PULLUPEN_bm; + + PORTC.PIN0CTRL = PORT_PULLUPEN_bm; + PORTC.PIN1CTRL = PORT_PULLUPEN_bm; + PORTC.PIN2CTRL = PORT_PULLUPEN_bm; + PORTC.PIN3CTRL = PORT_PULLUPEN_bm; + + // 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; + TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc + | TCA_SINGLE_ENABLE_bm; + + PWM_TOP = PWM_TOP_INIT; + +} + + +#define LAYOUT_DEFINED + |