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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 };