Remove OLED code and set I2C rate back to 100kHz

This commit is contained in:
Danny Nguyen 2017-06-01 01:26:06 -04:00
parent 7a433a7f3d
commit db82b17d6e
5 changed files with 2 additions and 766 deletions

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@ -1,276 +0,0 @@
// 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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@ -16,7 +16,7 @@
#define SLAVE_BUFFER_SIZE 0x10
// i2c SCL clock frequency
#define SCL_CLOCK 400000L
#define SCL_CLOCK 100000L
extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];

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@ -1,8 +1,7 @@
SRC += matrix.c \
i2c.c \
split_util.c \
serial.c \
ssd1306.c
serial.c
# MCU name
#MCU = at90usb1287

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@ -1,470 +0,0 @@
#ifdef SSD1306OLED
#include "ssd1306.h"
#include "config.h"
#include "i2c.h"
#include <string.h>
#include "print.h"
#include "lets_split.h"
#include "common/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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@ -1,17 +0,0 @@
#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