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I2C.c和I2C.h的代码
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_i2c.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "inc/hw_gpio.h"
#include "driverlib/i2c.h"
#include "driverlib/sysctl.h"
#include "driverlib/gpio.h"
#include "driverlib/pin_map.h"
void InitI2C0(){
//enable i2c0 module
SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C0);
//reset module
SysCtlPeripheralReset(SYSCTL_PERIPH_I2C0);
//enable GPIO that contains I2C0
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
// Configure the pin muxing for I2C0 functions on port B2 and B3.
GPIOPinConfigure(GPIO_PB2_I2C0SCL);
GPIOPinConfigure(GPIO_PB3_I2C0SDA);
// Select the I2C function for these pins.
GPIOPinTypeI2CSCL(GPIO_PORTB_BASE, GPIO_PIN_2);
GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_3);
I2CMasterInitExpClk(I2C0_BASE, SysCtlClockGet(), false);
//clear I2C FIFOs
HWREG(I2C0_BASE + I2C_O_FIFOCTL) = 80008000;
}
void I2CSendSingleByte(uint8_t slave_addr, char data){
// Tell the master module what address it will place on the bus when
// communicating with the slave.
I2CMasterSlaveAddrSet(I2C0_BASE, slave_addr, false);
//put the data to be sent in the FIFO
I2CMasterDataPut(I2C0_BASE, data);
//Initialize sending data from the MCU
I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_SINGLE_SEND);
//wait while MCU is done transferring
while(I2CMasterBusy(I2C0_BASE));
}
void I2CSendMultipleBytes(uint8_t slave_addr, uint8_t numOfBytes, char by[]){
uint8_t i;
// Tell the master module what address it will place on the bus when
// communicating with the slave.
I2CMasterSlaveAddrSet(I2C0_BASE, slave_addr, false);
//put the data to be sent in the FIFO
I2CMasterDataPut(I2C0_BASE, by[0]);
//Initialize sending data from the MCU
I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_SEND_START);
//wait while MCU is done transferring
while(I2CMasterBusy(I2C0_BASE));
for(i = 1; i < numOfBytes - 1; i++){
//put next piece of data into I2C FIFO
I2CMasterDataPut(I2C0_BASE, by[i]);
//send next data that was just placed into FIFO
I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_SEND_CONT);
// Wait until MCU is done transferring.
while(I2CMasterBusy(I2C0_BASE));
}
//put last byte of data
I2CMasterDataPut(I2C0_BASE, by[numOfBytes - 1]);
//send next data that was just placed into FIFO
I2CMasterControl(I2C0_BASE, I2C_MASTER_CMD_BURST_SEND_FINISH);
// Wait until MCU is done transferring.
while(I2CMasterBusy(I2C0_BASE));
}
#ifndef I2C_H_ #define I2C_H_ #include <stdint.h> void InitI2C0(void); void I2CSendSingleByte(uint8_t slave_addr, char data); void I2CSendMultipleBytes(uint8_t slave_addr, uint8_t numOfBytes, char by[]); #endif
ssd1306.c和ss1306.h的代码
#include "ssd1306.h"
#include "i2c.h"
#include <stdint.h>
#include "data.h"
#define slaveAddress 0x3c
void ssd1306_command(uint8_t c){
uint8_t control = 0x00;
char arr[2] = {control, c};
// I2CSendSingleByte(slaveAddress, control);
// I2CSendSingleByte(slaveAddress, c);
I2CSendMultipleBytes(slaveAddress, 2, arr);
}
void ssd1306_data(uint8_t c){
char arr[2] = {0x40, c};
// I2CSendSingleByte(slaveAddress, 0x40);
// I2CSendSingleByte(slaveAddress, c);
I2CSendMultipleBytes(slaveAddress, 2, arr);
}
void setColAddress(){
ssd1306_command(SSD1306_COLUMNADDR); // 0x21 COMMAND
ssd1306_command(0); // Column start address
ssd1306_command(SSD1306_LCDWIDTH-1); // Column end address
}
void setPageAddress(){
ssd1306_command(SSD1306_PAGEADDR); // 0x22 COMMAND
ssd1306_command(0); // Start Page address
ssd1306_command((SSD1306_LCDHEIGHT/8)-1);// End Page address
}
void InitializeDisplay(){
// Init sequence for 128x64 OLED module
ssd1306_command(SSD1306_DISPLAYOFF); // 0xAE
ssd1306_command(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5
ssd1306_command(0x80); // the suggested ratio 0x80
ssd1306_command(SSD1306_SETMULTIPLEX); // 0xA8
ssd1306_command(0x3F);
ssd1306_command(SSD1306_SETDISPLAYOFFSET); // 0xD3
ssd1306_command(0x0); // no offset
ssd1306_command(SSD1306_SETSTARTLINE);// | 0x0); // line #0
ssd1306_command(SSD1306_CHARGEPUMP); // 0x8D
ssd1306_command(0x14); // using internal VCC
//ssd1306_command(SSD1306_MEMORYMODE); // 0x20
//ssd1306_command(0x00); // 0x00 horizontal addressing
ssd1306_command(SSD1306_SEGREMAP | 0x1); // rotate screen 180
//ssd1306_command(SSD1306_COMSCANDEC); // rotate screen 180
ssd1306_command(SSD1306_SETCOMPINS); // 0xDA
ssd1306_command(0x12);
ssd1306_command(SSD1306_SETCONTRAST); // 0x81
ssd1306_command(0xCF);
ssd1306_command(SSD1306_SETPRECHARGE); // 0xd9
ssd1306_command(0xF1);
ssd1306_command(SSD1306_SETVCOMDETECT); // 0xDB
ssd1306_command(0x40);
ssd1306_command(SSD1306_DISPLAYALLON_RESUME); // 0xA4
ssd1306_command(SSD1306_NORMALDISPLAY); // 0xA6
ssd1306_command(SSD1306_DISPLAYON); //switch on OLED
}
void displayOn(void){
ssd1306_command(0xaf); //display on
}
void displayOff(void){
ssd1306_command(0xae); //display off
}
void reset_display(void){
displayOff();
clear_display();
displayOn();
}
void clear_display(void)
{
unsigned char i,k;
for(k=0;k<8;k++)
{
setXY(k,0);
{
for(i=0;i<128;i++) //clear all COL
{
SendChar(0); //clear all COL
//delay(10);
}
}
}
}
void SendChar(unsigned char data){
char arr[2] = {0x40, data};
// I2CSendSingleByte(slaveAddress, 0x40);
// I2CSendSingleByte(slaveAddress, data);
I2CSendMultipleBytes(slaveAddress, 2, arr);
}
void setXY(unsigned char row,unsigned char col){
ssd1306_command(0xb0+row); //set page address
ssd1306_command(0x00+(8*col&0x0f)); //set low col address
ssd1306_command(0x10+((8*col>>4)&0x0f)); //set high col address
}
//==========================================================//
// Prints a display char (not just a byte) in coordinates X Y,
// being multiples of 8. This means we have 16 COLS (0-15)
// and 8 ROWS (0-7).
void sendCharXY(unsigned char data, int X, int Y)
{
setXY(X, Y);
char arr[9];
uint8_t i;
arr[0] = 0x40;
for(i = 0; i < 8; i++)
arr[i + 1] = myFont[data - 0x20][i];
I2CSendMultipleBytes(slaveAddress, 9, arr);
}
//==========================================================//
// Prints a display big number (96 bytes) in coordinates X Y,
// being multiples of 8. This means we have 16 COLS (0-15)
// and 8 ROWS (0-7).
void printBigNumber(char string, int X, int Y)
{
setXY(X,Y);
int salto=0;
for(int i = 0; i < 96; i++)
{
if(string == ' ') {
SendChar(0);
} else
SendChar(bigNumbers[string-0x30][i]);
if(salto == 23) {
salto = 0;
X++;
setXY(X,Y);
} else {
salto++;
}
}
}
#ifndef SSD1306_H_ #define SSD1306_H_ #include <stdint.h> #define SSD1306_LCDWIDTH 128 #define SSD1306_LCDHEIGHT 64 #define SSD1306_SETCONTRAST 0x81 #define SSD1306_DISPLAYALLON_RESUME 0xA4 #define SSD1306_DISPLAYALLON 0xA5 #define SSD1306_NORMALDISPLAY 0xA6 #define SSD1306_INVERTDISPLAY 0xA7 #define SSD1306_DISPLAYOFF 0xAE #define SSD1306_DISPLAYON 0xAF #define SSD1306_SETDISPLAYOFFSET 0xD3 #define SSD1306_SETCOMPINS 0xDA #define SSD1306_SETVCOMDETECT 0xDB #define SSD1306_SETDISPLAYCLOCKDIV 0xD5 #define SSD1306_SETPRECHARGE 0xD9 #define SSD1306_SETMULTIPLEX 0xA8 #define SSD1306_SETLOWCOLUMN 0x00 #define SSD1306_SETHIGHCOLUMN 0x10 #define SSD1306_SETSTARTLINE 0x40 #define SSD1306_MEMORYMODE 0x20 #define SSD1306_COLUMNADDR 0x21 #define SSD1306_PAGEADDR 0x22 #define SSD1306_COMSCANINC 0xC0 #define SSD1306_COMSCANDEC 0xC8 #define SSD1306_SEGREMAP 0xA0 #define SSD1306_CHARGEPUMP 0x8D #define SSD1306_EXTERNALVCC 0x1 #define SSD1306_SWITCHCAPVCC 0x2 typedef uint8_t bitmap_t[8][128]; void InitializeDisplay(void); void sendStrXY( char *string, int X, int Y); void sendStr( char *string); void setXY(unsigned char row,unsigned char col); void sendCharXY(unsigned char data, int X, int Y); void SendChar(unsigned char data); void displayOn(void); void displayOff(void); void clear_display(void); void printBigTime(char *string); void reset_display(void); void printBigNumber(char string, int X, int Y); void bmp(bitmap_t b); void setPageAddress(void); void setColAddress(void); #endif /* SSD1306_H_ */
data.h的代码
#include <stdint.h>
// Small 8x8 font
const uint8_t myFont[][8] = {
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x07,0x00,0x07,0x00,0x00,0x00},
{0x00,0x14,0x7F,0x14,0x7F,0x14,0x00,0x00},
{0x00,0x24,0x2A,0x7F,0x2A,0x12,0x00,0x00},
{0x00,0x23,0x13,0x08,0x64,0x62,0x00,0x00},
{0x00,0x36,0x49,0x55,0x22,0x50,0x00,0x00},
{0x00,0x00,0x05,0x03,0x00,0x00,0x00,0x00},
{0x00,0x1C,0x22,0x41,0x00,0x00,0x00,0x00},
{0x00,0x41,0x22,0x1C,0x00,0x00,0x00,0x00},
{0x00,0x08,0x2A,0x1C,0x2A,0x08,0x00,0x00},
{0x00,0x08,0x08,0x3E,0x08,0x08,0x00,0x00},
{0x00,0xA0,0x60,0x00,0x00,0x00,0x00,0x00},
{0x00,0x08,0x08,0x08,0x08,0x08,0x00,0x00},
{0x00,0x60,0x60,0x00,0x00,0x00,0x00,0x00},
{0x00,0x20,0x10,0x08,0x04,0x02,0x00,0x00},
{0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00},
{0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00},
{0x00,0x62,0x51,0x49,0x49,0x46,0x00,0x00},
{0x00,0x22,0x41,0x49,0x49,0x36,0x00,0x00},
{0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00},
{0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00},
{0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00},
{0x00,0x01,0x71,0x09,0x05,0x03,0x00,0x00},
{0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00},
{0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00},
{0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00},
{0x00,0x00,0xAC,0x6C,0x00,0x00,0x00,0x00},
{0x00,0x08,0x14,0x22,0x41,0x00,0x00,0x00},
{0x00,0x14,0x14,0x14,0x14,0x14,0x00,0x00},
{0x00,0x41,0x22,0x14,0x08,0x00,0x00,0x00},
{0x00,0x02,0x01,0x51,0x09,0x06,0x00,0x00},
{0x00,0x32,0x49,0x79,0x41,0x3E,0x00,0x00},
{0x00,0x7E,0x09,0x09,0x09,0x7E,0x00,0x00},
{0x00,0x7F,0x49,0x49,0x49,0x36,0x00,0x00},
{0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00},
{0x00,0x7F,0x41,0x41,0x22,0x1C,0x00,0x00},
{0x00,0x7F,0x49,0x49,0x49,0x41,0x00,0x00},
{0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00},
{0x00,0x3E,0x41,0x41,0x51,0x72,0x00,0x00},
{0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00},
{0x00,0x41,0x7F,0x41,0x00,0x00,0x00,0x00},
{0x00,0x20,0x40,0x41,0x3F,0x01,0x00,0x00},
{0x00,0x7F,0x08,0x14,0x22,0x41,0x00,0x00},
{0x00,0x7F,0x40,0x40,0x40,0x40,0x00,0x00},
{0x00,0x7F,0x02,0x0C,0x02,0x7F,0x00,0x00},
{0x00,0x7F,0x04,0x08,0x10,0x7F,0x00,0x00},
{0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00},
{0x00,0x7F,0x09,0x09,0x09,0x06,0x00,0x00},
{0x00,0x3E,0x41,0x51,0x21,0x5E,0x00,0x00},
{0x00,0x7F,0x09,0x19,0x29,0x46,0x00,0x00},
{0x00,0x26,0x49,0x49,0x49,0x32,0x00,0x00},
{0x00,0x01,0x01,0x7F,0x01,0x01,0x00,0x00},
{0x00,0x3F,0x40,0x40,0x40,0x3F,0x00,0x00},
{0x00,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00},
{0x00,0x3F,0x40,0x38,0x40,0x3F,0x00,0x00},
{0x00,0x63,0x14,0x08,0x14,0x63,0x00,0x00},
{0x00,0x03,0x04,0x78,0x04,0x03,0x00,0x00},
{0x00,0x61,0x51,0x49,0x45,0x43,0x00,0x00},
{0x00,0x7F,0x41,0x41,0x00,0x00,0x00,0x00},
{0x00,0x02,0x04,0x08,0x10,0x20,0x00,0x00},
{0x00,0x41,0x41,0x7F,0x00,0x00,0x00,0x00},
{0x00,0x04,0x02,0x01,0x02,0x04,0x00,0x00},
{0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00},
{0x00,0x01,0x02,0x04,0x00,0x00,0x00,0x00},
{0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00},
{0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00},
{0x00,0x38,0x44,0x44,0x28,0x00,0x00,0x00},
{0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00},
{0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00},
{0x00,0x08,0x7E,0x09,0x02,0x00,0x00,0x00},
{0x00,0x18,0xA4,0xA4,0xA4,0x7C,0x00,0x00},
{0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00},
{0x00,0x00,0x7D,0x00,0x00,0x00,0x00,0x00},
{0x00,0x80,0x84,0x7D,0x00,0x00,0x00,0x00},
{0x00,0x7F,0x10,0x28,0x44,0x00,0x00,0x00},
{0x00,0x41,0x7F,0x40,0x00,0x00,0x00,0x00},
{0x00,0x7C,0x04,0x18,0x04,0x78,0x00,0x00},
{0x00,0x7C,0x08,0x04,0x7C,0x00,0x00,0x00},
{0x00,0x38,0x44,0x44,0x38,0x00,0x00,0x00},
{0x00,0xFC,0x24,0x24,0x18,0x00,0x00,0x00},
{0x00,0x18,0x24,0x24,0xFC,0x00,0x00,0x00},
{0x00,0x00,0x7C,0x08,0x04,0x00,0x00,0x00},
{0x00,0x48,0x54,0x54,0x24,0x00,0x00,0x00},
{0x00,0x04,0x7F,0x44,0x00,0x00,0x00,0x00},
{0x00,0x3C,0x40,0x40,0x7C,0x00,0x00,0x00},
{0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00},
{0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00},
{0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00},
{0x00,0x1C,0xA0,0xA0,0x7C,0x00,0x00,0x00},
{0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00},
{0x00,0x08,0x36,0x41,0x00,0x00,0x00,0x00},
{0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00},
{0x00,0x41,0x36,0x08,0x00,0x00,0x00,0x00},
{0x00,0x02,0x01,0x01,0x02,0x01,0x00,0x00},
{0x00,0x02,0x05,0x05,0x02,0x00,0x00,0x00}
};
const uint8_t bigNumbers [][96] = {
{0x00, 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x03, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xF0,
0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0xC1, 0xC0, 0xC0, 0xC0,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xE1, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x87, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x83, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0xC1, 0xC0, 0xC0, 0xC0,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xE1, 0xFF, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x81, 0x83, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x87,
0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xE0, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xE1,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC1, 0x81, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x81, 0x83, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x87,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xE1,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC1, 0x81, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x87, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x87,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0xFF, 0xFF, 0xFF, 0xE1,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xE1, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0x87, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x87,
0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0xF0, 0xF0, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xE1,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xE1, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0F, 0x0F, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x3C, 0x7E, 0x7E, 0x7E, 0x7E, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF8, 0xF8, 0xF8, 0xF8, 0xF0, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};
// Big numbers minus symbol.
const uint8_t minus [] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x0C, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
0x1E, 0x1E, 0x1E, 0x1E, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// Km/h in big font. This avoids to create an entirely new big font and saves flash space.
const uint8_t kmh [] = {
0x00, 0x00, 0xC0, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xE0, 0x00, 0x80,
0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xF0, 0xF8, 0xFC,
0x9E, 0x0E, 0x06, 0xE0, 0xF0, 0xF0, 0xF0, 0x70, 0xF0, 0xE0, 0xF0, 0xF0, 0x70, 0xF0, 0xE0, 0xC0,
0x00, 0x00, 0xE0, 0xFE, 0x1F, 0x01, 0x00, 0xFF, 0xFF, 0xFF, 0x18, 0x18, 0xF8, 0xF0, 0xF0, 0x00,
0x00, 0x00, 0x07, 0x07, 0x07, 0x00, 0x01, 0x03, 0x07, 0x07, 0x06, 0x07, 0x07, 0x07, 0x00, 0x00,
0x07, 0x07, 0x07, 0x00, 0x00, 0x07, 0x07, 0x07, 0x00, 0x1E, 0x1F, 0x01, 0x00, 0x00, 0x00, 0x07,
0x07, 0x07, 0x00, 0x00, 0x07, 0x07, 0x07, 0x00
};