diff options
Diffstat (limited to 'tk-voltage.h')
| -rw-r--r-- | tk-voltage.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/tk-voltage.h b/tk-voltage.h deleted file mode 100644 index 36ce9c8..0000000 --- a/tk-voltage.h +++ /dev/null @@ -1,178 +0,0 @@ -// tk-voltage.h: Voltage / battcheck functions. -// Copyright (C) 2015-2023 Selene ToyKeeper -// SPDX-License-Identifier: GPL-3.0-or-later -#pragma once - -#include "tk-attiny.h" -#include "tk-calibration.h" - -#if defined(TEMPERATURE_MON) || defined(THERMAL_REGULATION) -#ifdef TEMP_10bit -#define NEED_ADC_10bit -#define get_temperature read_adc_10bit -#else -#define get_temperature read_adc_8bit -#endif - -inline void ADC_on_temperature() { - // TODO: (?) enable ADC Noise Reduction Mode, Section 17.7 on page 128 - // (apparently can only read while the CPU is in idle mode though) - // select ADC4 by writing 0b00001111 to ADMUX - // 1.1v reference, left-adjust, ADC4 - #ifdef TEMP_10bit - ADMUX = (1 << V_REF) | (0 << ADLAR) | TEMP_CHANNEL; - #else - ADMUX = (1 << V_REF) | (1 << ADLAR) | TEMP_CHANNEL; - #endif - // disable digital input on ADC pin to reduce power consumption - //DIDR0 |= (1 << TEMP_DIDR); - // enable, start, prescale - ADCSRA = (1 << ADEN ) | (1 << ADSC ) | ADC_PRSCL; -} -#endif // TEMPERATURE_MON - -#ifdef VOLTAGE_MON -#define NEED_ADC_8bit -inline void ADC_on() { - // disable digital input on ADC pin to reduce power consumption - DIDR0 |= (1 << ADC_DIDR); - // 1.1v reference, left-adjust, ADC1/PB2 - ADMUX = (1 << V_REF) | (1 << ADLAR) | ADC_CHANNEL; - // enable, start, prescale - ADCSRA = (1 << ADEN ) | (1 << ADSC ) | ADC_PRSCL; -} - -#define get_voltage read_adc_8bit -#else -inline void ADC_off() { - ADCSRA &= ~(1<<7); //ADC off -} -#endif - -#ifdef NEED_ADC_8bit -uint8_t read_adc_8bit() { - // Start conversion - ADCSRA |= (1 << ADSC); - // Wait for completion - while (ADCSRA & (1 << ADSC)); - // Send back the result - return ADCH; -} -#endif - -#ifdef NEED_ADC_10bit -uint16_t read_adc_10bit() { - // Start conversion - ADCSRA |= (1 << ADSC); - // Wait for completion - while (ADCSRA & (1 << ADSC)); - // Send back the result - //return (ADCH<<8) | (ADCL); // ADLAR=0 - //return (ADCH<<2) | (ADCL>>6); // ADLAR=1 - ADCSRA |= 0x10; // clear ADIF flag, else only first reading works - return ADC; // ADLAR=0 -} -#endif - -#ifdef USE_BATTCHECK -#ifdef BATTCHECK_4bars -PROGMEM const uint8_t voltage_blinks[] = { - // 0 blinks for less than 1% - ADC_0p, // 1 blink for 1%-25% - ADC_25p, // 2 blinks for 25%-50% - ADC_50p, // 3 blinks for 50%-75% - ADC_75p, // 4 blinks for 75%-100% - ADC_100p, // 5 blinks for >100% - 255, // Ceiling, don't remove (6 blinks means "error") -}; -#endif // BATTCHECK_4bars -#ifdef BATTCHECK_8bars -PROGMEM const uint8_t voltage_blinks[] = { - // 0 blinks for less than 1% - ADC_30, // 1 blink for 1%-12.5% - ADC_33, // 2 blinks for 12.5%-25% - ADC_35, // 3 blinks for 25%-37.5% - ADC_37, // 4 blinks for 37.5%-50% - ADC_38, // 5 blinks for 50%-62.5% - ADC_39, // 6 blinks for 62.5%-75% - ADC_40, // 7 blinks for 75%-87.5% - ADC_41, // 8 blinks for 87.5%-100% - ADC_42, // 9 blinks for >100% - 255, // Ceiling, don't remove (10 blinks means "error") -}; -#endif // BATTCHECK_8bars -#ifdef BATTCHECK_VpT -/* -PROGMEM const uint8_t v_whole_blinks[] = { - // 0 blinks for (shouldn't happen) - 0, // 1 blink for (shouldn't happen) - ADC_20, // 2 blinks for 2V - ADC_30, // 3 blinks for 3V - ADC_40, // 4 blinks for 4V - 255, // Ceiling, don't remove -}; -PROGMEM const uint8_t v_tenth_blinks[] = { - // 0 blinks for less than 1% - ADC_30, - ADC_33, - ADC_35, - ADC_37, - ADC_38, - ADC_39, - ADC_40, - ADC_41, - ADC_42, - 255, // Ceiling, don't remove -}; -*/ -PROGMEM const uint8_t voltage_blinks[] = { - // 0 blinks for (shouldn't happen) - ADC_25,(2<<5)+5, - ADC_26,(2<<5)+6, - ADC_27,(2<<5)+7, - ADC_28,(2<<5)+8, - ADC_29,(2<<5)+9, - ADC_30,(3<<5)+0, - ADC_31,(3<<5)+1, - ADC_32,(3<<5)+2, - ADC_33,(3<<5)+3, - ADC_34,(3<<5)+4, - ADC_35,(3<<5)+5, - ADC_36,(3<<5)+6, - ADC_37,(3<<5)+7, - ADC_38,(3<<5)+8, - ADC_39,(3<<5)+9, - ADC_40,(4<<5)+0, - ADC_41,(4<<5)+1, - ADC_42,(4<<5)+2, - ADC_43,(4<<5)+3, - ADC_44,(4<<5)+4, - 255, (1<<5)+1, // Ceiling, don't remove -}; -inline uint8_t battcheck() { - // Return an composite int, number of "blinks", for approximate battery charge - // Uses the table above for return values - // Return value is 3 bits of whole volts and 5 bits of tenths-of-a-volt - uint8_t i, voltage; - voltage = get_voltage(); - // figure out how many times to blink - for (i=0; - voltage > pgm_read_byte(voltage_blinks + i); - i += 2) {} - return pgm_read_byte(voltage_blinks + i + 1); -} -#else // #ifdef BATTCHECK_VpT -inline uint8_t battcheck() { - // Return an int, number of "blinks", for approximate battery charge - // Uses the table above for return values - uint8_t i, voltage; - voltage = get_voltage(); - // figure out how many times to blink - for (i=0; - voltage > pgm_read_byte(voltage_blinks + i); - i ++) {} - return i; -} -#endif // BATTCHECK_VpT -#endif - |