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Diffstat (limited to 'hw/sofirn/sp10-pro/hwdef.h')
| -rw-r--r-- | hw/sofirn/sp10-pro/hwdef.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/hw/sofirn/sp10-pro/hwdef.h b/hw/sofirn/sp10-pro/hwdef.h new file mode 100644 index 0000000..5cef6a7 --- /dev/null +++ b/hw/sofirn/sp10-pro/hwdef.h @@ -0,0 +1,157 @@ +// Sofirn SP10 Pro pinout +// Copyright (C) 2022-2023 (original author TBD), Selene ToyKeeper +// SPDX-License-Identifier: GPL-3.0-or-later +#pragma once + +/* + * ATTINY1616 Mapping: + * PB5 : PWM small channel (TCA0 - WO2 Alternate MUX) + * PB3 : eSwitch + * PB0 : PWM big channel (TCA0 - WO0) + * PB4 : Voltage divider (ADC0 - AIN9) + * PA1 : Boost Enable + */ + +#define ATTINY 1616 +#include <avr/io.h> + +#define HWDEF_C_FILE hwdef-sofirn-sp10-pro.c + +// channel modes: +// * 0. low+high PWM stacked +#define NUM_CHANNEL_MODES 1 +enum CHANNEL_MODES { + CM_MAIN = 0, +}; + +#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 // data type needs 16 bits, not 8 +#define PWM_GET PWM_GET16 +#define PWM_DATATYPE uint16_t // is used for PWM_TOPS (which goes way over 255) +#define PWM_DATATYPE2 uint32_t // only needs 32-bit if ramp values go over 255 +#define PWM1_DATATYPE uint16_t // low PWM ramp +#define PWM2_DATATYPE uint16_t // high PWM 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_CNT TCA0.SINGLE.CNT // for resetting phase after each TOP adjustment +#define PWM_TOP_INIT 255 // highest value used in top half of ramp (unused?) + +// Small channel +#define CH1_PIN PB5 +#define CH1_PWM TCA0.SINGLE.CMP2BUF // PB5 is Alternate MUX for TCA Compare 2 + +// Big channel +#define CH2_PIN PB0 +#define CH2_PWM TCA0.SINGLE.CMP0BUF // PB0 is TCA Compare 0 + +// boost enable +#define BST_ENABLE_PIN PIN1_bp +#define BST_ENABLE_PORT PORTA_OUT + +// e-switch +#define SWITCH_PIN 3 +#define SWITCH_PORT VPORTB.IN +#define SWITCH_ISC_REG PORTB.PIN3CTRL +#define SWITCH_VECT PORTB_PORT_vect +#define SWITCH_INTFLG VPORTB.INTFLAGS +#define SWITCH_PCINT PCINT0 +#define PCINT_vect PCINT0_vect // ISR for PCINT[7:0] + +// Voltage divider battLVL +#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated +#define DUAL_VOLTAGE_FLOOR 21 // for AA/14500 boost drivers, don't indicate low voltage if below this level +#define DUAL_VOLTAGE_LOW_LOW 7 // the lower voltage range's danger zone 0.7 volts (NiMH) +#define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN9_gc // which ADC channel to read + +// Raw ADC readings at 4.4V and 2.2V +// calibrate the voltage readout here +// estimated / calculated values are: +// (voltage - D1) * (R2/(R2+R1) * 1024 / 1.1) +// Resistors are 300,000 and 100,000 +#ifndef ADC_44 +#define ADC_44 1023 // raw value at 4.40V +#endif +#ifndef ADC_22 +#define ADC_22 512 // raw value at 2.20V +#endif + + + +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 = PIN1_bm; // Boost enable pin + VPORTB.DIR = PIN0_bm // big PWM channel + | PIN5_bm; // small PWM channel + //VPORTC.DIR = ...; + + // enable pullups on the input pins to reduce power + PORTA.PIN0CTRL = PORT_PULLUPEN_bm; + //PORTA.PIN1CTRL = PORT_PULLUPEN_bm; // Boost enable pin + 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; // Big PWM channel + PORTB.PIN1CTRL = PORT_PULLUPEN_bm; + PORTB.PIN2CTRL = PORT_PULLUPEN_bm; + PORTB.PIN3CTRL = PORT_PULLUPEN_bm + | PORT_ISC_BOTHEDGES_gc; // e-switch + //PORTB.PIN4CTRL = PORT_PULLUPEN_bm; // Voltage divider + //PORTB.PIN5CTRL = PORT_PULLUPEN_bm; // Small PWM channel + + 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 + PORTMUX.CTRLC = PORTMUX_TCA02_ALTERNATE_gc; // Use alternate pin for TCA0:WO2 + TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm + | TCA_SINGLE_CMP2EN_bm + | TCA_SINGLE_WGMODE_DSBOTTOM_gc; + PWM_TOP = PWM_TOP_INIT; + TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc + | TCA_SINGLE_ENABLE_bm; +} + + +// set fuses, these carry over to the ELF file +// we need this for enabling BOD in Active Mode from the factory. +// settings can be verified / dumped from the ELF file using this +// command: avr-objdump -d -S -j .fuse anduril.elf +FUSES = { + .WDTCFG = FUSE_WDTCFG_DEFAULT, // Watchdog Configuration + .BODCFG = FUSE_ACTIVE0, // BOD Configuration + .OSCCFG = FUSE_OSCCFG_DEFAULT, // Oscillator Configuration + .TCD0CFG = FUSE_TCD0CFG_DEFAULT, // TCD0 Configuration + .SYSCFG0 = FUSE_SYSCFG0_DEFAULT, // System Configuration 0 + .SYSCFG1 = FUSE_SYSCFG1_DEFAULT, // System Configuration 1 + .APPEND = FUSE_APPEND_DEFAULT, // Application Code Section End + .BOOTEND = FUSE_BOOTEND_DEFAULT, // Boot Section End +}; + + +#define LAYOUT_DEFINED + |