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// 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 HWDEF_C sofirn/sp10-pro/hwdef.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
// Voltage divider battLVL
#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated
#define DUAL_VOLTAGE_FLOOR (4*21) // for AA/14500 boost drivers, don't indicate low voltage if below this level
#define DUAL_VOLTAGE_LOW_LOW (4*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
#undef voltage_raw2cooked
#define voltage_raw2cooked mcu_vdivider_raw2cooked
// 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 (4*1023) // raw value at 4.40V
#endif
#ifndef ADC_22
#define ADC_22 (4*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
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