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Start mvoing hardware drivers to /drivers/ (#1433)

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* start driver isolation

* update nyquist and orthodox boards

* update atreus62

* move drivers to avr

* update avr conditional
This commit is contained in:
Jack Humbert 2017-07-10 11:18:47 -04:00 • committed by GitHub
parent 8d190d5e25
commit 42d5a324eb
19 changed files with 13 additions and 1582 deletions
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69
drivers/avr/analog.c Normal file
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/* 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
}

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/* 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/>.
*/
#ifndef _analog_h_included__
#define _analog_h_included__
#include <stdint.h>
void analogReference(uint8_t mode);
int16_t analogRead(uint8_t pin);
int16_t adc_read(uint8_t mux);
#define ADC_REF_POWER (1<<REFS0)
#define ADC_REF_INTERNAL ((1<<REFS1) | (1<<REFS0))
#define ADC_REF_EXTERNAL (0)
// These prescaler values are for high speed mode, ADHSM = 1
#if F_CPU == 16000000L
#define ADC_PRESCALER ((1<<ADPS2) | (1<<ADPS1))
#elif F_CPU == 8000000L
#define ADC_PRESCALER ((1<<ADPS2) | (1<<ADPS0))
#elif F_CPU == 4000000L
#define ADC_PRESCALER ((1<<ADPS2))
#elif F_CPU == 2000000L
#define ADC_PRESCALER ((1<<ADPS1) | (1<<ADPS0))
#elif F_CPU == 1000000L
#define ADC_PRESCALER ((1<<ADPS1))
#else
#define ADC_PRESCALER ((1<<ADPS0))
#endif
// some avr-libc versions do not properly define ADHSM
#if defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
#if !defined(ADHSM)
#define ADHSM (7)
#endif
#endif
#endif

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// This is the 'classic' fixed-space bitmap font for Adafruit_GFX since 1.0.
// See gfxfont.h for newer custom bitmap font info.
#ifndef FONT5X7_H
#define FONT5X7_H
#ifdef __AVR__
#include <avr/io.h>
#include <avr/pgmspace.h>
#elif defined(ESP8266)
#include <pgmspace.h>
#else
#define PROGMEM
#endif
// Standard ASCII 5x7 font
static const unsigned char font[] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00,
0x3E, 0x5B, 0x4F, 0x5B, 0x3E,
0x3E, 0x6B, 0x4F, 0x6B, 0x3E,
0x1C, 0x3E, 0x7C, 0x3E, 0x1C,
0x18, 0x3C, 0x7E, 0x3C, 0x18,
0x1C, 0x57, 0x7D, 0x57, 0x1C,
0x1C, 0x5E, 0x7F, 0x5E, 0x1C,
0x00, 0x18, 0x3C, 0x18, 0x00,
0xFF, 0xE7, 0xC3, 0xE7, 0xFF,
0x00, 0x18, 0x24, 0x18, 0x00,
0xFF, 0xE7, 0xDB, 0xE7, 0xFF,
0x30, 0x48, 0x3A, 0x06, 0x0E,
0x26, 0x29, 0x79, 0x29, 0x26,
0x40, 0x7F, 0x05, 0x05, 0x07,
0x40, 0x7F, 0x05, 0x25, 0x3F,
0x5A, 0x3C, 0xE7, 0x3C, 0x5A,
0x7F, 0x3E, 0x1C, 0x1C, 0x08,
0x08, 0x1C, 0x1C, 0x3E, 0x7F,
0x14, 0x22, 0x7F, 0x22, 0x14,
0x5F, 0x5F, 0x00, 0x5F, 0x5F,
0x06, 0x09, 0x7F, 0x01, 0x7F,
0x00, 0x66, 0x89, 0x95, 0x6A,
0x60, 0x60, 0x60, 0x60, 0x60,
0x94, 0xA2, 0xFF, 0xA2, 0x94,
0x08, 0x04, 0x7E, 0x04, 0x08,
0x10, 0x20, 0x7E, 0x20, 0x10,
0x08, 0x08, 0x2A, 0x1C, 0x08,
0x08, 0x1C, 0x2A, 0x08, 0x08,
0x1E, 0x10, 0x10, 0x10, 0x10,
0x0C, 0x1E, 0x0C, 0x1E, 0x0C,
0x30, 0x38, 0x3E, 0x38, 0x30,
0x06, 0x0E, 0x3E, 0x0E, 0x06,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x5F, 0x00, 0x00,
0x00, 0x07, 0x00, 0x07, 0x00,
0x14, 0x7F, 0x14, 0x7F, 0x14,
0x24, 0x2A, 0x7F, 0x2A, 0x12,
0x23, 0x13, 0x08, 0x64, 0x62,
0x36, 0x49, 0x56, 0x20, 0x50,
0x00, 0x08, 0x07, 0x03, 0x00,
0x00, 0x1C, 0x22, 0x41, 0x00,
0x00, 0x41, 0x22, 0x1C, 0x00,
0x2A, 0x1C, 0x7F, 0x1C, 0x2A,
0x08, 0x08, 0x3E, 0x08, 0x08,
0x00, 0x80, 0x70, 0x30, 0x00,
0x08, 0x08, 0x08, 0x08, 0x08,
0x00, 0x00, 0x60, 0x60, 0x00,
0x20, 0x10, 0x08, 0x04, 0x02,
0x3E, 0x51, 0x49, 0x45, 0x3E,
0x00, 0x42, 0x7F, 0x40, 0x00,
0x72, 0x49, 0x49, 0x49, 0x46,
0x21, 0x41, 0x49, 0x4D, 0x33,
0x18, 0x14, 0x12, 0x7F, 0x10,
0x27, 0x45, 0x45, 0x45, 0x39,
0x3C, 0x4A, 0x49, 0x49, 0x31,
0x41, 0x21, 0x11, 0x09, 0x07,
0x36, 0x49, 0x49, 0x49, 0x36,
0x46, 0x49, 0x49, 0x29, 0x1E,
0x00, 0x00, 0x14, 0x00, 0x00,
0x00, 0x40, 0x34, 0x00, 0x00,
0x00, 0x08, 0x14, 0x22, 0x41,
0x14, 0x14, 0x14, 0x14, 0x14,
0x00, 0x41, 0x22, 0x14, 0x08,
0x02, 0x01, 0x59, 0x09, 0x06,
0x3E, 0x41, 0x5D, 0x59, 0x4E,
0x7C, 0x12, 0x11, 0x12, 0x7C,
0x7F, 0x49, 0x49, 0x49, 0x36,
0x3E, 0x41, 0x41, 0x41, 0x22,
0x7F, 0x41, 0x41, 0x41, 0x3E,
0x7F, 0x49, 0x49, 0x49, 0x41,
0x7F, 0x09, 0x09, 0x09, 0x01,
0x3E, 0x41, 0x41, 0x51, 0x73,
0x7F, 0x08, 0x08, 0x08, 0x7F,
0x00, 0x41, 0x7F, 0x41, 0x00,
0x20, 0x40, 0x41, 0x3F, 0x01,
0x7F, 0x08, 0x14, 0x22, 0x41,
0x7F, 0x40, 0x40, 0x40, 0x40,
0x7F, 0x02, 0x1C, 0x02, 0x7F,
0x7F, 0x04, 0x08, 0x10, 0x7F,
0x3E, 0x41, 0x41, 0x41, 0x3E,
0x7F, 0x09, 0x09, 0x09, 0x06,
0x3E, 0x41, 0x51, 0x21, 0x5E,
0x7F, 0x09, 0x19, 0x29, 0x46,
0x26, 0x49, 0x49, 0x49, 0x32,
0x03, 0x01, 0x7F, 0x01, 0x03,
0x3F, 0x40, 0x40, 0x40, 0x3F,
0x1F, 0x20, 0x40, 0x20, 0x1F,
0x3F, 0x40, 0x38, 0x40, 0x3F,
0x63, 0x14, 0x08, 0x14, 0x63,
0x03, 0x04, 0x78, 0x04, 0x03,
0x61, 0x59, 0x49, 0x4D, 0x43,
0x00, 0x7F, 0x41, 0x41, 0x41,
0x02, 0x04, 0x08, 0x10, 0x20,
0x00, 0x41, 0x41, 0x41, 0x7F,
0x04, 0x02, 0x01, 0x02, 0x04,
0x40, 0x40, 0x40, 0x40, 0x40,
0x00, 0x03, 0x07, 0x08, 0x00,
0x20, 0x54, 0x54, 0x78, 0x40,
0x7F, 0x28, 0x44, 0x44, 0x38,
0x38, 0x44, 0x44, 0x44, 0x28,
0x38, 0x44, 0x44, 0x28, 0x7F,
0x38, 0x54, 0x54, 0x54, 0x18,
0x00, 0x08, 0x7E, 0x09, 0x02,
0x18, 0xA4, 0xA4, 0x9C, 0x78,
0x7F, 0x08, 0x04, 0x04, 0x78,
0x00, 0x44, 0x7D, 0x40, 0x00,
0x20, 0x40, 0x40, 0x3D, 0x00,
0x7F, 0x10, 0x28, 0x44, 0x00,
0x00, 0x41, 0x7F, 0x40, 0x00,
0x7C, 0x04, 0x78, 0x04, 0x78,
0x7C, 0x08, 0x04, 0x04, 0x78,
0x38, 0x44, 0x44, 0x44, 0x38,
0xFC, 0x18, 0x24, 0x24, 0x18,
0x18, 0x24, 0x24, 0x18, 0xFC,
0x7C, 0x08, 0x04, 0x04, 0x08,
0x48, 0x54, 0x54, 0x54, 0x24,
0x04, 0x04, 0x3F, 0x44, 0x24,
0x3C, 0x40, 0x40, 0x20, 0x7C,
0x1C, 0x20, 0x40, 0x20, 0x1C,
0x3C, 0x40, 0x30, 0x40, 0x3C,
0x44, 0x28, 0x10, 0x28, 0x44,
0x4C, 0x90, 0x90, 0x90, 0x7C,
0x44, 0x64, 0x54, 0x4C, 0x44,
0x00, 0x08, 0x36, 0x41, 0x00,
0x00, 0x00, 0x77, 0x00, 0x00,
0x00, 0x41, 0x36, 0x08, 0x00,
0x02, 0x01, 0x02, 0x04, 0x02,
0x3C, 0x26, 0x23, 0x26, 0x3C,
0x1E, 0xA1, 0xA1, 0x61, 0x12,
0x3A, 0x40, 0x40, 0x20, 0x7A,
0x38, 0x54, 0x54, 0x55, 0x59,
0x21, 0x55, 0x55, 0x79, 0x41,
0x22, 0x54, 0x54, 0x78, 0x42, // a-umlaut
0x21, 0x55, 0x54, 0x78, 0x40,
0x20, 0x54, 0x55, 0x79, 0x40,
0x0C, 0x1E, 0x52, 0x72, 0x12,
0x39, 0x55, 0x55, 0x55, 0x59,
0x39, 0x54, 0x54, 0x54, 0x59,
0x39, 0x55, 0x54, 0x54, 0x58,
0x00, 0x00, 0x45, 0x7C, 0x41,
0x00, 0x02, 0x45, 0x7D, 0x42,
0x00, 0x01, 0x45, 0x7C, 0x40,
0x7D, 0x12, 0x11, 0x12, 0x7D, // A-umlaut
0xF0, 0x28, 0x25, 0x28, 0xF0,
0x7C, 0x54, 0x55, 0x45, 0x00,
0x20, 0x54, 0x54, 0x7C, 0x54,
0x7C, 0x0A, 0x09, 0x7F, 0x49,
0x32, 0x49, 0x49, 0x49, 0x32,
0x3A, 0x44, 0x44, 0x44, 0x3A, // o-umlaut
0x32, 0x4A, 0x48, 0x48, 0x30,
0x3A, 0x41, 0x41, 0x21, 0x7A,
0x3A, 0x42, 0x40, 0x20, 0x78,
0x00, 0x9D, 0xA0, 0xA0, 0x7D,
0x3D, 0x42, 0x42, 0x42, 0x3D, // O-umlaut
0x3D, 0x40, 0x40, 0x40, 0x3D,
0x3C, 0x24, 0xFF, 0x24, 0x24,
0x48, 0x7E, 0x49, 0x43, 0x66,
0x2B, 0x2F, 0xFC, 0x2F, 0x2B,
0xFF, 0x09, 0x29, 0xF6, 0x20,
0xC0, 0x88, 0x7E, 0x09, 0x03,
0x20, 0x54, 0x54, 0x79, 0x41,
0x00, 0x00, 0x44, 0x7D, 0x41,
0x30, 0x48, 0x48, 0x4A, 0x32,
0x38, 0x40, 0x40, 0x22, 0x7A,
0x00, 0x7A, 0x0A, 0x0A, 0x72,
0x7D, 0x0D, 0x19, 0x31, 0x7D,
0x26, 0x29, 0x29, 0x2F, 0x28,
0x26, 0x29, 0x29, 0x29, 0x26,
0x30, 0x48, 0x4D, 0x40, 0x20,
0x38, 0x08, 0x08, 0x08, 0x08,
0x08, 0x08, 0x08, 0x08, 0x38,
0x2F, 0x10, 0xC8, 0xAC, 0xBA,
0x2F, 0x10, 0x28, 0x34, 0xFA,
0x00, 0x00, 0x7B, 0x00, 0x00,
0x08, 0x14, 0x2A, 0x14, 0x22,
0x22, 0x14, 0x2A, 0x14, 0x08,
0x55, 0x00, 0x55, 0x00, 0x55, // #176 (25% block) missing in old code
0xAA, 0x55, 0xAA, 0x55, 0xAA, // 50% block
0xFF, 0x55, 0xFF, 0x55, 0xFF, // 75% block
0x00, 0x00, 0x00, 0xFF, 0x00,
0x10, 0x10, 0x10, 0xFF, 0x00,
0x14, 0x14, 0x14, 0xFF, 0x00,
0x10, 0x10, 0xFF, 0x00, 0xFF,
0x10, 0x10, 0xF0, 0x10, 0xF0,
0x14, 0x14, 0x14, 0xFC, 0x00,
0x14, 0x14, 0xF7, 0x00, 0xFF,
0x00, 0x00, 0xFF, 0x00, 0xFF,
0x14, 0x14, 0xF4, 0x04, 0xFC,
0x14, 0x14, 0x17, 0x10, 0x1F,
0x10, 0x10, 0x1F, 0x10, 0x1F,
0x14, 0x14, 0x14, 0x1F, 0x00,
0x10, 0x10, 0x10, 0xF0, 0x00,
0x00, 0x00, 0x00, 0x1F, 0x10,
0x10, 0x10, 0x10, 0x1F, 0x10,
0x10, 0x10, 0x10, 0xF0, 0x10,
0x00, 0x00, 0x00, 0xFF, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0xFF, 0x10,
0x00, 0x00, 0x00, 0xFF, 0x14,
0x00, 0x00, 0xFF, 0x00, 0xFF,
0x00, 0x00, 0x1F, 0x10, 0x17,
0x00, 0x00, 0xFC, 0x04, 0xF4,
0x14, 0x14, 0x17, 0x10, 0x17,
0x14, 0x14, 0xF4, 0x04, 0xF4,
0x00, 0x00, 0xFF, 0x00, 0xF7,
0x14, 0x14, 0x14, 0x14, 0x14,
0x14, 0x14, 0xF7, 0x00, 0xF7,
0x14, 0x14, 0x14, 0x17, 0x14,
0x10, 0x10, 0x1F, 0x10, 0x1F,
0x14, 0x14, 0x14, 0xF4, 0x14,
0x10, 0x10, 0xF0, 0x10, 0xF0,
0x00, 0x00, 0x1F, 0x10, 0x1F,
0x00, 0x00, 0x00, 0x1F, 0x14,
0x00, 0x00, 0x00, 0xFC, 0x14,
0x00, 0x00, 0xF0, 0x10, 0xF0,
0x10, 0x10, 0xFF, 0x10, 0xFF,
0x14, 0x14, 0x14, 0xFF, 0x14,
0x10, 0x10, 0x10, 0x1F, 0x00,
0x00, 0x00, 0x00, 0xF0, 0x10,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xFF, 0xFF, 0xFF, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
0x38, 0x44, 0x44, 0x38, 0x44,
0xFC, 0x4A, 0x4A, 0x4A, 0x34, // sharp-s or beta
0x7E, 0x02, 0x02, 0x06, 0x06,
0x02, 0x7E, 0x02, 0x7E, 0x02,
0x63, 0x55, 0x49, 0x41, 0x63,
0x38, 0x44, 0x44, 0x3C, 0x04,
0x40, 0x7E, 0x20, 0x1E, 0x20,
0x06, 0x02, 0x7E, 0x02, 0x02,
0x99, 0xA5, 0xE7, 0xA5, 0x99,
0x1C, 0x2A, 0x49, 0x2A, 0x1C,
0x4C, 0x72, 0x01, 0x72, 0x4C,
0x30, 0x4A, 0x4D, 0x4D, 0x30,
0x30, 0x48, 0x78, 0x48, 0x30,
0xBC, 0x62, 0x5A, 0x46, 0x3D,
0x3E, 0x49, 0x49, 0x49, 0x00,
0x7E, 0x01, 0x01, 0x01, 0x7E,
0x2A, 0x2A, 0x2A, 0x2A, 0x2A,
0x44, 0x44, 0x5F, 0x44, 0x44,
0x40, 0x51, 0x4A, 0x44, 0x40,
0x40, 0x44, 0x4A, 0x51, 0x40,
0x00, 0x00, 0xFF, 0x01, 0x03,
0xE0, 0x80, 0xFF, 0x00, 0x00,
0x08, 0x08, 0x6B, 0x6B, 0x08,
0x36, 0x12, 0x36, 0x24, 0x36,
0x06, 0x0F, 0x09, 0x0F, 0x06,
0x00, 0x00, 0x18, 0x18, 0x00,
0x00, 0x00, 0x10, 0x10, 0x00,
0x30, 0x40, 0xFF, 0x01, 0x01,
0x00, 0x1F, 0x01, 0x01, 0x1E,
0x00, 0x19, 0x1D, 0x17, 0x12,
0x00, 0x3C, 0x3C, 0x3C, 0x3C,
0x00, 0x00, 0x00, 0x00, 0x00 // #255 NBSP
};
#endif // FONT5X7_H

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/*
pins_arduino.h - Pin definition functions for Arduino
Part of Arduino - http://www.arduino.cc/
Copyright (c) 2007 David A. Mellis
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
$Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
*/
#ifndef Pins_Arduino_h
#define Pins_Arduino_h
#include <avr/pgmspace.h>
// Workaround for wrong definitions in "iom32u4.h".
// This should be fixed in the AVR toolchain.
#undef UHCON
#undef UHINT
#undef UHIEN
#undef UHADDR
#undef UHFNUM
#undef UHFNUML
#undef UHFNUMH
#undef UHFLEN
#undef UPINRQX
#undef UPINTX
#undef UPNUM
#undef UPRST
#undef UPCONX
#undef UPCFG0X
#undef UPCFG1X
#undef UPSTAX
#undef UPCFG2X
#undef UPIENX
#undef UPDATX
#undef TCCR2A
#undef WGM20
#undef WGM21
#undef COM2B0
#undef COM2B1
#undef COM2A0
#undef COM2A1
#undef TCCR2B
#undef CS20
#undef CS21
#undef CS22
#undef WGM22
#undef FOC2B
#undef FOC2A
#undef TCNT2
#undef TCNT2_0
#undef TCNT2_1
#undef TCNT2_2
#undef TCNT2_3
#undef TCNT2_4
#undef TCNT2_5
#undef TCNT2_6
#undef TCNT2_7
#undef OCR2A
#undef OCR2_0
#undef OCR2_1
#undef OCR2_2
#undef OCR2_3
#undef OCR2_4
#undef OCR2_5
#undef OCR2_6
#undef OCR2_7
#undef OCR2B
#undef OCR2_0
#undef OCR2_1
#undef OCR2_2
#undef OCR2_3
#undef OCR2_4
#undef OCR2_5
#undef OCR2_6
#undef OCR2_7
#define NUM_DIGITAL_PINS 30
#define NUM_ANALOG_INPUTS 12
#define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0)
#define TXLED0 PORTD |= (1<<5)
#define TXLED1 PORTD &= ~(1<<5)
#define RXLED0 PORTB |= (1<<0)
#define RXLED1 PORTB &= ~(1<<0)
static const uint8_t SDA = 2;
static const uint8_t SCL = 3;
#define LED_BUILTIN 13
// Map SPI port to 'new' pins D14..D17
static const uint8_t SS = 17;
static const uint8_t MOSI = 16;
static const uint8_t MISO = 14;
static const uint8_t SCK = 15;
// Mapping of analog pins as digital I/O
// A6-A11 share with digital pins
static const uint8_t ADC0 = 18;
static const uint8_t ADC1 = 19;
static const uint8_t ADC2 = 20;
static const uint8_t ADC3 = 21;
static const uint8_t ADC4 = 22;
static const uint8_t ADC5 = 23;
static const uint8_t ADC6 = 24; // D4
static const uint8_t ADC7 = 25; // D6
static const uint8_t ADC8 = 26; // D8
static const uint8_t ADC9 = 27; // D9
static const uint8_t ADC10 = 28; // D10
static const uint8_t ADC11 = 29; // D12
#define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
#define digitalPinToPCICRbit(p) 0
#define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
// __AVR_ATmega32U4__ has an unusual mapping of pins to channels
extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
#define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT)))))
#ifdef ARDUINO_MAIN
// On the Arduino board, digital pins are also used
// for the analog output (software PWM). Analog input
// pins are a separate set.
// ATMEL ATMEGA32U4 / ARDUINO LEONARDO
//
// D0 PD2 RXD1/INT2
// D1 PD3 TXD1/INT3
// D2 PD1 SDA SDA/INT1
// D3# PD0 PWM8/SCL OC0B/SCL/INT0
// D4 A6 PD4 ADC8
// D5# PC6 ??? OC3A/#OC4A
// D6# A7 PD7 FastPWM #OC4D/ADC10
// D7 PE6 INT6/AIN0
//
// D8 A8 PB4 ADC11/PCINT4
// D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5
// D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6
// D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7
// D12 A11 PD6 T1/#OC4D/ADC9
// D13# PC7 PWM10 CLK0/OC4A
//
// A0 D18 PF7 ADC7
// A1 D19 PF6 ADC6
// A2 D20 PF5 ADC5
// A3 D21 PF4 ADC4
// A4 D22 PF1 ADC1
// A5 D23 PF0 ADC0
//
// New pins D14..D17 to map SPI port to digital pins
//
// MISO D14 PB3 MISO,PCINT3
// SCK D15 PB1 SCK,PCINT1
// MOSI D16 PB2 MOSI,PCINT2
// SS D17 PB0 RXLED,SS/PCINT0
//
// Connected LEDs on board for TX and RX
// TXLED D24 PD5 XCK1
// RXLED D17 PB0
// HWB PE2 HWB
// these arrays map port names (e.g. port B) to the
// appropriate addresses for various functions (e.g. reading
// and writing)
const uint16_t PROGMEM port_to_mode_PGM[] = {
NOT_A_PORT,
NOT_A_PORT,
(uint16_t) &DDRB,
(uint16_t) &DDRC,
(uint16_t) &DDRD,
(uint16_t) &DDRE,
(uint16_t) &DDRF,
};
const uint16_t PROGMEM port_to_output_PGM[] = {
NOT_A_PORT,
NOT_A_PORT,
(uint16_t) &PORTB,
(uint16_t) &PORTC,
(uint16_t) &PORTD,
(uint16_t) &PORTE,
(uint16_t) &PORTF,
};
const uint16_t PROGMEM port_to_input_PGM[] = {
NOT_A_PORT,
NOT_A_PORT,
(uint16_t) &PINB,
(uint16_t) &PINC,
(uint16_t) &PIND,
(uint16_t) &PINE,
(uint16_t) &PINF,
};
const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
PD, // D0 - PD2
PD, // D1 - PD3
PD, // D2 - PD1
PD, // D3 - PD0
PD, // D4 - PD4
PC, // D5 - PC6
PD, // D6 - PD7
PE, // D7 - PE6
PB, // D8 - PB4
PB, // D9 - PB5
PB, // D10 - PB6
PB, // D11 - PB7
PD, // D12 - PD6
PC, // D13 - PC7
PB, // D14 - MISO - PB3
PB, // D15 - SCK - PB1
PB, // D16 - MOSI - PB2
PB, // D17 - SS - PB0
PF, // D18 - A0 - PF7
PF, // D19 - A1 - PF6
PF, // D20 - A2 - PF5
PF, // D21 - A3 - PF4
PF, // D22 - A4 - PF1
PF, // D23 - A5 - PF0
PD, // D24 - PD5
PD, // D25 / D6 - A7 - PD7
PB, // D26 / D8 - A8 - PB4
PB, // D27 / D9 - A9 - PB5
PB, // D28 / D10 - A10 - PB6
PD, // D29 / D12 - A11 - PD6
};
const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
_BV(2), // D0 - PD2
_BV(3), // D1 - PD3
_BV(1), // D2 - PD1
_BV(0), // D3 - PD0
_BV(4), // D4 - PD4
_BV(6), // D5 - PC6
_BV(7), // D6 - PD7
_BV(6), // D7 - PE6
_BV(4), // D8 - PB4
_BV(5), // D9 - PB5
_BV(6), // D10 - PB6
_BV(7), // D11 - PB7
_BV(6), // D12 - PD6
_BV(7), // D13 - PC7
_BV(3), // D14 - MISO - PB3
_BV(1), // D15 - SCK - PB1
_BV(2), // D16 - MOSI - PB2
_BV(0), // D17 - SS - PB0
_BV(7), // D18 - A0 - PF7
_BV(6), // D19 - A1 - PF6
_BV(5), // D20 - A2 - PF5
_BV(4), // D21 - A3 - PF4
_BV(1), // D22 - A4 - PF1
_BV(0), // D23 - A5 - PF0
_BV(5), // D24 - PD5
_BV(7), // D25 / D6 - A7 - PD7
_BV(4), // D26 / D8 - A8 - PB4
_BV(5), // D27 / D9 - A9 - PB5
_BV(6), // D28 / D10 - A10 - PB6
_BV(6), // D29 / D12 - A11 - PD6
};
const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
TIMER0B, /* 3 */
NOT_ON_TIMER,
TIMER3A, /* 5 */
TIMER4D, /* 6 */
NOT_ON_TIMER,
NOT_ON_TIMER,
TIMER1A, /* 9 */
TIMER1B, /* 10 */
TIMER0A, /* 11 */
NOT_ON_TIMER,
TIMER4A, /* 13 */
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
};
const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
7, // A0 PF7 ADC7
6, // A1 PF6 ADC6
5, // A2 PF5 ADC5
4, // A3 PF4 ADC4
1, // A4 PF1 ADC1
0, // A5 PF0 ADC0
8, // A6 D4 PD4 ADC8
10, // A7 D6 PD7 ADC10
11, // A8 D8 PB4 ADC11
12, // A9 D9 PB5 ADC12
13, // A10 D10 PB6 ADC13
9 // A11 D12 PD6 ADC9
};
#endif /* ARDUINO_MAIN */
// These serial port names are intended to allow libraries and architecture-neutral
// sketches to automatically default to the correct port name for a particular type
// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
// the first hardware serial port whose RX/TX pins are not dedicated to another use.
//
// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
//
// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
//
// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
//
// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
//
// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
// pins are NOT connected to anything by default.
#define SERIAL_PORT_MONITOR Serial
#define SERIAL_PORT_USBVIRTUAL Serial
#define SERIAL_PORT_HARDWARE Serial1
#define SERIAL_PORT_HARDWARE_OPEN Serial1
#endif /* Pins_Arduino_h */

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#ifdef SSD1306OLED
#include "ssd1306.h"
#include "config.h"
#include "i2c.h"
#include <string.h>
#include "print.h"
#include "lets_split.h"
#include "glcdfont.c"
#ifdef ADAFRUIT_BLE_ENABLE
#include "adafruit_ble.h"
#endif
#ifdef PROTOCOL_LUFA
#include "lufa.h"
#endif
#include "sendchar.h"
#include "pincontrol.h"
//assign the right code to your layers
#define _BASE 0
#define _LOWER 8
#define _RAISE 16
#define _FNLAYER 64
#define _NUMLAY 128
#define _NLOWER 136
#define _NFNLAYER 192
#define _MOUSECURSOR 256
#define _ADJUST 65560
// Set this to 1 to help diagnose early startup problems
// when testing power-on with ble. Turn it off otherwise,
// as the latency of printing most of the debug info messes
// with the matrix scan, causing keys to drop.
#define DEBUG_TO_SCREEN 0
// Controls the SSD1306 128x32 OLED display via i2c
#define i2cAddress 0x3C
#define DisplayHeight 32
#define DisplayWidth 128
#define FontHeight 8
#define FontWidth 6
#define MatrixRows (DisplayHeight / FontHeight)
#define MatrixCols (DisplayWidth / FontWidth)
struct CharacterMatrix {
uint8_t display[MatrixRows][MatrixCols];
uint8_t *cursor;
bool dirty;
};
static struct CharacterMatrix display;
//static uint16_t last_battery_update;
//static uint32_t vbat;
//#define BatteryUpdateInterval 10000 /* milliseconds */
#define ScreenOffInterval 300000 /* milliseconds */
#if DEBUG_TO_SCREEN
static uint8_t displaying;
#endif
static uint16_t last_flush;
enum ssd1306_cmds {
DisplayOff = 0xAE,
DisplayOn = 0xAF,
SetContrast = 0x81,
DisplayAllOnResume = 0xA4,
DisplayAllOn = 0xA5,
NormalDisplay = 0xA6,
InvertDisplay = 0xA7,
SetDisplayOffset = 0xD3,
SetComPins = 0xda,
SetVComDetect = 0xdb,
SetDisplayClockDiv = 0xD5,
SetPreCharge = 0xd9,
SetMultiPlex = 0xa8,
SetLowColumn = 0x00,
SetHighColumn = 0x10,
SetStartLine = 0x40,
SetMemoryMode = 0x20,
ColumnAddr = 0x21,
PageAddr = 0x22,
ComScanInc = 0xc0,
ComScanDec = 0xc8,
SegRemap = 0xa0,
SetChargePump = 0x8d,
ExternalVcc = 0x01,
SwitchCapVcc = 0x02,
ActivateScroll = 0x2f,
DeActivateScroll = 0x2e,
SetVerticalScrollArea = 0xa3,
RightHorizontalScroll = 0x26,
LeftHorizontalScroll = 0x27,
VerticalAndRightHorizontalScroll = 0x29,
VerticalAndLeftHorizontalScroll = 0x2a,
};
// Write command sequence.
// Returns true on success.
static inline bool _send_cmd1(uint8_t cmd) {
bool res = false;
if (i2c_start_write(i2cAddress)) {
xprintf("failed to start write to %d\n", i2cAddress);
goto done;
}
if (i2c_master_write(0x0 /* command byte follows */)) {
print("failed to write control byte\n");
goto done;
}
if (i2c_master_write(cmd)) {
xprintf("failed to write command %d\n", cmd);
goto done;
}
res = true;
done:
i2c_master_stop();
return res;
}
// Write 2-byte command sequence.
// Returns true on success
static inline bool _send_cmd2(uint8_t cmd, uint8_t opr) {
if (!_send_cmd1(cmd)) {
return false;
}
return _send_cmd1(opr);
}
// Write 3-byte command sequence.
// Returns true on success
static inline bool _send_cmd3(uint8_t cmd, uint8_t opr1, uint8_t opr2) {
if (!_send_cmd1(cmd)) {
return false;
}
if (!_send_cmd1(opr1)) {
return false;
}
return _send_cmd1(opr2);
}
#define send_cmd1(c) if (!_send_cmd1(c)) {goto done;}
#define send_cmd2(c,o) if (!_send_cmd2(c,o)) {goto done;}
#define send_cmd3(c,o1,o2) if (!_send_cmd3(c,o1,o2)) {goto done;}
static void matrix_clear(struct CharacterMatrix *matrix);
static void clear_display(void) {
matrix_clear(&display);
// Clear all of the display bits (there can be random noise
// in the RAM on startup)
send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1);
send_cmd3(ColumnAddr, 0, DisplayWidth - 1);
if (i2c_start_write(i2cAddress)) {
goto done;
}
if (i2c_master_write(0x40)) {
// Data mode
goto done;
}
for (uint8_t row = 0; row < MatrixRows; ++row) {
for (uint8_t col = 0; col < DisplayWidth; ++col) {
i2c_master_write(0);
}
}
display.dirty = false;
done:
i2c_master_stop();
}
#if DEBUG_TO_SCREEN
#undef sendchar
static int8_t capture_sendchar(uint8_t c) {
sendchar(c);
iota_gfx_write_char(c);
if (!displaying) {
iota_gfx_flush();
}
return 0;
}
#endif
bool iota_gfx_init(void) {
bool success = false;
send_cmd1(DisplayOff);
send_cmd2(SetDisplayClockDiv, 0x80);
send_cmd2(SetMultiPlex, DisplayHeight - 1);
send_cmd2(SetDisplayOffset, 0);
send_cmd1(SetStartLine | 0x0);
send_cmd2(SetChargePump, 0x14 /* Enable */);
send_cmd2(SetMemoryMode, 0 /* horizontal addressing */);
/// Flips the display orientation 0 degrees
send_cmd1(SegRemap | 0x1);
send_cmd1(ComScanDec);
/*
// the following Flip the display orientation 180 degrees
send_cmd1(SegRemap);
send_cmd1(ComScanInc);
// end flip */
send_cmd2(SetComPins, 0x2);
send_cmd2(SetContrast, 0x8f);
send_cmd2(SetPreCharge, 0xf1);
send_cmd2(SetVComDetect, 0x40);
send_cmd1(DisplayAllOnResume);
send_cmd1(NormalDisplay);
send_cmd1(DeActivateScroll);
send_cmd1(DisplayOn);
send_cmd2(SetContrast, 0); // Dim
clear_display();
success = true;
iota_gfx_flush();
#if DEBUG_TO_SCREEN
print_set_sendchar(capture_sendchar);
#endif
done:
return success;
}
bool iota_gfx_off(void) {
bool success = false;
send_cmd1(DisplayOff);
success = true;
done:
return success;
}
bool iota_gfx_on(void) {
bool success = false;
send_cmd1(DisplayOn);
success = true;
done:
return success;
}
static void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) {
*matrix->cursor = c;
++matrix->cursor;
if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) {
// We went off the end; scroll the display upwards by one line
memmove(&matrix->display[0], &matrix->display[1],
MatrixCols * (MatrixRows - 1));
matrix->cursor = &matrix->display[MatrixRows - 1][0];
memset(matrix->cursor, ' ', MatrixCols);
}
}
static void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) {
matrix->dirty = true;
if (c == '\n') {
// Clear to end of line from the cursor and then move to the
// start of the next line
uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols;
while (cursor_col++ < MatrixCols) {
matrix_write_char_inner(matrix, ' ');
}
return;
}
matrix_write_char_inner(matrix, c);
}
void iota_gfx_write_char(uint8_t c) {
matrix_write_char(&display, c);
}
static void matrix_write(struct CharacterMatrix *matrix, const char *data) {
const char *end = data + strlen(data);
while (data < end) {
matrix_write_char(matrix, *data);
++data;
}
}
void iota_gfx_write(const char *data) {
matrix_write(&display, data);
}
static void matrix_write_P(struct CharacterMatrix *matrix, const char *data) {
while (true) {
uint8_t c = pgm_read_byte(data);
if (c == 0) {
return;
}
matrix_write_char(matrix, c);
++data;
}
}
void iota_gfx_write_P(const char *data) {
matrix_write_P(&display, data);
}
static void matrix_clear(struct CharacterMatrix *matrix) {
memset(matrix->display, ' ', sizeof(matrix->display));
matrix->cursor = &matrix->display[0][0];
matrix->dirty = true;
}
void iota_gfx_clear_screen(void) {
matrix_clear(&display);
}
static void matrix_render(struct CharacterMatrix *matrix) {
last_flush = timer_read();
iota_gfx_on();
#if DEBUG_TO_SCREEN
++displaying;
#endif
// Move to the home position
send_cmd3(PageAddr, 0, MatrixRows - 1);
send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1);
if (i2c_start_write(i2cAddress)) {
goto done;
}
if (i2c_master_write(0x40)) {
// Data mode
goto done;
}
for (uint8_t row = 0; row < MatrixRows; ++row) {
for (uint8_t col = 0; col < MatrixCols; ++col) {
const uint8_t *glyph = font + (matrix->display[row][col] * (FontWidth - 1));
for (uint8_t glyphCol = 0; glyphCol < FontWidth - 1; ++glyphCol) {
uint8_t colBits = pgm_read_byte(glyph + glyphCol);
i2c_master_write(colBits);
}
// 1 column of space between chars (it's not included in the glyph)
i2c_master_write(0);
}
}
matrix->dirty = false;
done:
i2c_master_stop();
#if DEBUG_TO_SCREEN
--displaying;
#endif
}
void iota_gfx_flush(void) {
matrix_render(&display);
}
static void matrix_update(struct CharacterMatrix *dest,
const struct CharacterMatrix *source) {
if (memcmp(dest->display, source->display, sizeof(dest->display))) {
memcpy(dest->display, source->display, sizeof(dest->display));
dest->dirty = true;
}
}
static void render_status_info(void) {
#if DEBUG_TO_SCREEN
if (debug_enable) {
return;
}
#endif
struct CharacterMatrix matrix;
matrix_clear(&matrix);
matrix_write_P(&matrix, PSTR("USB: "));
#ifdef PROTOCOL_LUFA
switch (USB_DeviceState) {
case DEVICE_STATE_Unattached:
matrix_write_P(&matrix, PSTR("Unattached"));
break;
case DEVICE_STATE_Suspended:
matrix_write_P(&matrix, PSTR("Suspended"));
break;
case DEVICE_STATE_Configured:
matrix_write_P(&matrix, PSTR("Connected"));
break;
case DEVICE_STATE_Powered:
matrix_write_P(&matrix, PSTR("Powered"));
break;
case DEVICE_STATE_Default:
matrix_write_P(&matrix, PSTR("Default"));
break;
case DEVICE_STATE_Addressed:
matrix_write_P(&matrix, PSTR("Addressed"));
break;
default:
matrix_write_P(&matrix, PSTR("Invalid"));
}
#endif
// Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
char buf[40];
snprintf(buf,sizeof(buf), "Undef-%ld", layer_state);
matrix_write_P(&matrix, PSTR("\n\nLayer: "));
switch (layer_state) {
case _BASE:
matrix_write_P(&matrix, PSTR("Default"));
break;
case _RAISE:
matrix_write_P(&matrix, PSTR("Raise"));
break;
case _LOWER:
matrix_write_P(&matrix, PSTR("Lower"));
break;
case _ADJUST:
matrix_write_P(&matrix, PSTR("ADJUST"));
break;
default:
matrix_write(&matrix, buf);
}
// Host Keyboard LED Status
char led[40];
snprintf(led, sizeof(led), "\n%s %s %s",
(host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : " ",
(host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : " ",
(host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : " ");
matrix_write(&matrix, led);
matrix_update(&display, &matrix);
}
void iota_gfx_task(void) {
render_status_info();
if (display.dirty) {
iota_gfx_flush();
}
if (timer_elapsed(last_flush) > ScreenOffInterval) {
iota_gfx_off();
}
}
#endif

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#ifndef SSD1306_H
#define SSD1306_H
#include <stdbool.h>
#include <stdio.h>
bool iota_gfx_init(void);
void iota_gfx_task(void);
bool iota_gfx_off(void);
bool iota_gfx_on(void);
void iota_gfx_flush(void);
void iota_gfx_write_char(uint8_t c);
void iota_gfx_write(const char *data);
void iota_gfx_write_P(const char *data);
void iota_gfx_clear_screen(void);
#endif

342
drivers/avr/ws2812.c Normal file
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/*
* light weight WS2812 lib V2.0b
*
* Controls WS2811/WS2812/WS2812B RGB-LEDs
* Author: Tim (cpldcpu@gmail.com)
*
* Jan 18th, 2014 v2.0b Initial Version
* Nov 29th, 2015 v2.3 Added SK6812RGBW support
*
* 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/>.
*/
#include "ws2812.h"
#include <avr/interrupt.h>
#include <avr/io.h>
#include <util/delay.h>
#include "debug.h"
#ifdef RGBW_BB_TWI
// Port for the I2C
#define I2C_DDR DDRD
#define I2C_PIN PIND
#define I2C_PORT PORTD
// Pins to be used in the bit banging
#define I2C_CLK 0
#define I2C_DAT 1
#define I2C_DATA_HI()\
I2C_DDR &= ~ (1 << I2C_DAT);\
I2C_PORT |= (1 << I2C_DAT);
#define I2C_DATA_LO()\
I2C_DDR |= (1 << I2C_DAT);\
I2C_PORT &= ~ (1 << I2C_DAT);
#define I2C_CLOCK_HI()\
I2C_DDR &= ~ (1 << I2C_CLK);\
I2C_PORT |= (1 << I2C_CLK);
#define I2C_CLOCK_LO()\
I2C_DDR |= (1 << I2C_CLK);\
I2C_PORT &= ~ (1 << I2C_CLK);
#define I2C_DELAY 1
void I2C_WriteBit(unsigned char c)
{
if (c > 0)
{
I2C_DATA_HI();
}
else
{
I2C_DATA_LO();
}
I2C_CLOCK_HI();
_delay_us(I2C_DELAY);
I2C_CLOCK_LO();
_delay_us(I2C_DELAY);
if (c > 0)
{
I2C_DATA_LO();
}
_delay_us(I2C_DELAY);
}
// Inits bitbanging port, must be called before using the functions below
//
void I2C_Init(void)
{
I2C_PORT &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
I2C_CLOCK_HI();
I2C_DATA_HI();
_delay_us(I2C_DELAY);
}
// Send a START Condition
//
void I2C_Start(void)
{
// set both to high at the same time
I2C_DDR &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
_delay_us(I2C_DELAY);
I2C_DATA_LO();
_delay_us(I2C_DELAY);
I2C_CLOCK_LO();
_delay_us(I2C_DELAY);
}
// Send a STOP Condition
//
void I2C_Stop(void)
{
I2C_CLOCK_HI();
_delay_us(I2C_DELAY);
I2C_DATA_HI();
_delay_us(I2C_DELAY);
}
// write a byte to the I2C slave device
//
unsigned char I2C_Write(unsigned char c)
{
for (char i = 0; i < 8; i++)
{
I2C_WriteBit(c & 128);
c <<= 1;
}
I2C_WriteBit(0);
_delay_us(I2C_DELAY);
_delay_us(I2C_DELAY);
// _delay_us(I2C_DELAY);
//return I2C_ReadBit();
return 0;
}
#endif
// Setleds for standard RGB
void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds)
{
// ws2812_setleds_pin(ledarray,leds, _BV(ws2812_pin));
ws2812_setleds_pin(ledarray,leds, _BV(RGB_DI_PIN & 0xF));
}
void inline ws2812_setleds_pin(LED_TYPE *ledarray, uint16_t leds, uint8_t pinmask)
{
// ws2812_DDRREG |= pinmask; // Enable DDR
// new universal format (DDR)
_SFR_IO8((RGB_DI_PIN >> 4) + 1) |= pinmask;
ws2812_sendarray_mask((uint8_t*)ledarray,leds+leds+leds,pinmask);
_delay_us(50);
}
// Setleds for SK6812RGBW
void inline ws2812_setleds_rgbw(LED_TYPE *ledarray, uint16_t leds)
{
#ifdef RGBW_BB_TWI
uint8_t sreg_prev, twcr_prev;
sreg_prev=SREG;
twcr_prev=TWCR;
cli();
TWCR &= ~(1<<TWEN);
I2C_Init();
I2C_Start();
I2C_Write(0x84);
uint16_t datlen = leds<<2;
uint8_t curbyte;
uint8_t * data = (uint8_t*)ledarray;
while (datlen--) {
curbyte=*data++;
I2C_Write(curbyte);
}
I2C_Stop();
SREG=sreg_prev;
TWCR=twcr_prev;
#endif
// ws2812_DDRREG |= _BV(ws2812_pin); // Enable DDR
// new universal format (DDR)
_SFR_IO8((RGB_DI_PIN >> 4) + 1) |= _BV(RGB_DI_PIN & 0xF);
ws2812_sendarray_mask((uint8_t*)ledarray,leds<<2,_BV(RGB_DI_PIN & 0xF));
#ifndef RGBW_BB_TWI
_delay_us(80);
#endif
}
void ws2812_sendarray(uint8_t *data,uint16_t datlen)
{
ws2812_sendarray_mask(data,datlen,_BV(RGB_DI_PIN & 0xF));
}
/*
This routine writes an array of bytes with RGB values to the Dataout pin
using the fast 800kHz clockless WS2811/2812 protocol.
*/
// Timing in ns
#define w_zeropulse 350
#define w_onepulse 900
#define w_totalperiod 1250
// Fixed cycles used by the inner loop
#define w_fixedlow 2
#define w_fixedhigh 4
#define w_fixedtotal 8
// Insert NOPs to match the timing, if possible
#define w_zerocycles (((F_CPU/1000)*w_zeropulse )/1000000)
#define w_onecycles (((F_CPU/1000)*w_onepulse +500000)/1000000)
#define w_totalcycles (((F_CPU/1000)*w_totalperiod +500000)/1000000)
// w1 - nops between rising edge and falling edge - low
#define w1 (w_zerocycles-w_fixedlow)
// w2 nops between fe low and fe high
#define w2 (w_onecycles-w_fixedhigh-w1)
// w3 nops to complete loop
#define w3 (w_totalcycles-w_fixedtotal-w1-w2)
#if w1>0
#define w1_nops w1
#else
#define w1_nops 0
#endif
// The only critical timing parameter is the minimum pulse length of the "0"
// Warn or throw error if this timing can not be met with current F_CPU settings.
#define w_lowtime ((w1_nops+w_fixedlow)*1000000)/(F_CPU/1000)
#if w_lowtime>550
#error "Light_ws2812: Sorry, the clock speed is too low. Did you set F_CPU correctly?"
#elif w_lowtime>450
#warning "Light_ws2812: The timing is critical and may only work on WS2812B, not on WS2812(S)."
#warning "Please consider a higher clockspeed, if possible"
#endif
#if w2>0
#define w2_nops w2
#else
#define w2_nops 0
#endif
#if w3>0
#define w3_nops w3
#else
#define w3_nops 0
#endif
#define w_nop1 "nop \n\t"
#define w_nop2 "rjmp .+0 \n\t"
#define w_nop4 w_nop2 w_nop2
#define w_nop8 w_nop4 w_nop4
#define w_nop16 w_nop8 w_nop8
void inline ws2812_sendarray_mask(uint8_t *data,uint16_t datlen,uint8_t maskhi)
{
uint8_t curbyte,ctr,masklo;
uint8_t sreg_prev;
// masklo =~maskhi&ws2812_PORTREG;
// maskhi |= ws2812_PORTREG;
masklo =~maskhi&_SFR_IO8((RGB_DI_PIN >> 4) + 2);
maskhi |= _SFR_IO8((RGB_DI_PIN >> 4) + 2);
sreg_prev=SREG;
cli();
while (datlen--) {
curbyte=(*data++);
asm volatile(
" ldi %0,8 \n\t"
"loop%=: \n\t"
" out %2,%3 \n\t" // '1' [01] '0' [01] - re
#if (w1_nops&1)
w_nop1
#endif
#if (w1_nops&2)
w_nop2
#endif
#if (w1_nops&4)
w_nop4
#endif
#if (w1_nops&8)
w_nop8
#endif
#if (w1_nops&16)
w_nop16
#endif
" sbrs %1,7 \n\t" // '1' [03] '0' [02]
" out %2,%4 \n\t" // '1' [--] '0' [03] - fe-low
" lsl %1 \n\t" // '1' [04] '0' [04]
#if (w2_nops&1)
w_nop1
#endif
#if (w2_nops&2)
w_nop2
#endif
#if (w2_nops&4)
w_nop4
#endif
#if (w2_nops&8)
w_nop8
#endif
#if (w2_nops&16)
w_nop16
#endif
" out %2,%4 \n\t" // '1' [+1] '0' [+1] - fe-high
#if (w3_nops&1)
w_nop1
#endif
#if (w3_nops&2)
w_nop2
#endif
#if (w3_nops&4)
w_nop4
#endif
#if (w3_nops&8)
w_nop8
#endif
#if (w3_nops&16)
w_nop16
#endif
" dec %0 \n\t" // '1' [+2] '0' [+2]
" brne loop%=\n\t" // '1' [+3] '0' [+4]
: "=&d" (ctr)
: "r" (curbyte), "I" (_SFR_IO_ADDR(_SFR_IO8((RGB_DI_PIN >> 4) + 2))), "r" (maskhi), "r" (masklo)
);
}
SREG=sreg_prev;
}

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drivers/avr/ws2812.h Normal file
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/*
* light weight WS2812 lib include
*
* Version 2.3 - Nev 29th 2015
* Author: Tim (cpldcpu@gmail.com)
*
* Please do not change this file! All configuration is handled in "ws2812_config.h"
*
* 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/>.
*/
#ifndef LIGHT_WS2812_H_
#define LIGHT_WS2812_H_
#include <avr/io.h>
#include <avr/interrupt.h>
//#include "ws2812_config.h"
//#include "i2cmaster.h"
#ifdef RGBW
#define LED_TYPE struct cRGBW
#else
#define LED_TYPE struct cRGB
#endif
/*
* Structure of the LED array
*
* cRGB: RGB for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
* cRGBW: RGBW for SK6812RGBW
*/
struct cRGB { uint8_t g; uint8_t r; uint8_t b; };
struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};
/* User Interface
*
* Input:
* ledarray: An array of GRB data describing the LED colors
* number_of_leds: The number of LEDs to write
* pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0)
*
* The functions will perform the following actions:
* - Set the data-out pin as output
* - Send out the LED data
* - Wait 50<EFBFBD>s to reset the LEDs
*/
void ws2812_setleds (LED_TYPE *ledarray, uint16_t number_of_leds);
void ws2812_setleds_pin (LED_TYPE *ledarray, uint16_t number_of_leds,uint8_t pinmask);
void ws2812_setleds_rgbw(LED_TYPE *ledarray, uint16_t number_of_leds);
/*
* Old interface / Internal functions
*
* The functions take a byte-array and send to the data output as WS2812 bitstream.
* The length is the number of bytes to send - three per LED.
*/
void ws2812_sendarray (uint8_t *array,uint16_t length);
void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask);
/*
* Internal defines
*/
#ifndef CONCAT
#define CONCAT(a, b) a ## b
#endif
#ifndef CONCAT_EXP
#define CONCAT_EXP(a, b) CONCAT(a, b)
#endif
// #define ws2812_PORTREG CONCAT_EXP(PORT,ws2812_port)
// #define ws2812_DDRREG CONCAT_EXP(DDR,ws2812_port)
#endif /* LIGHT_WS2812_H_ */