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author | Jack Humbert <[email protected]> | 2017-07-10 11:18:47 -0400 |
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committer | GitHub <[email protected]> | 2017-07-10 11:18:47 -0400 |
commit | 42d5a324eb673b2214a87c8911d850105c3bdaab (patch) | |
tree | c14aca23eb74164d5cd7e69f50e6d347b3ace51a /quantum/analog.c | |
parent | 8d190d5e25b3374156264fde0ba5d78696cc74aa (diff) | |
download | qmk_firmware-42d5a324eb673b2214a87c8911d850105c3bdaab.tar.gz qmk_firmware-42d5a324eb673b2214a87c8911d850105c3bdaab.zip |
Start mvoing hardware drivers to /drivers/ (#1433)0.5.82
* start driver isolation
* update nyquist and orthodox boards
* update atreus62
* move drivers to avr
* update avr conditional
Diffstat (limited to 'quantum/analog.c')
-rw-r--r-- | quantum/analog.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/quantum/analog.c b/quantum/analog.c deleted file mode 100644 index 1ec38df75d..0000000000 --- a/quantum/analog.c +++ /dev/null @@ -1,69 +0,0 @@ -/* Copyright 2015 Jack Humbert - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -// Simple analog to digitial conversion - -#include <avr/io.h> -#include <avr/pgmspace.h> -#include <stdint.h> -#include "analog.h" - - -static uint8_t aref = (1<<REFS0); // default to AREF = Vcc - - -void analogReference(uint8_t mode) -{ - aref = mode & 0xC0; -} - - -// Arduino compatible pin input -int16_t analogRead(uint8_t pin) -{ -#if defined(__AVR_ATmega32U4__) - static const uint8_t PROGMEM pin_to_mux[] = { - 0x00, 0x01, 0x04, 0x05, 0x06, 0x07, - 0x25, 0x24, 0x23, 0x22, 0x21, 0x20}; - if (pin >= 12) return 0; - return adc_read(pgm_read_byte(pin_to_mux + pin)); -#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) - if (pin >= 8) return 0; - return adc_read(pin); -#else - return 0; -#endif -} - -// Mux input -int16_t adc_read(uint8_t mux) -{ -#if defined(__AVR_AT90USB162__) - return 0; -#else - uint8_t low; - - ADCSRA = (1<<ADEN) | ADC_PRESCALER; // enable ADC - ADCSRB = (1<<ADHSM) | (mux & 0x20); // high speed mode - ADMUX = aref | (mux & 0x1F); // configure mux input - ADCSRA = (1<<ADEN) | ADC_PRESCALER | (1<<ADSC); // start the conversion - while (ADCSRA & (1<<ADSC)) ; // wait for result - low = ADCL; // must read LSB first - return (ADCH << 8) | low; // must read MSB only once! -#endif -} - - |