File content as of revision 3:6d221b7c12f2:

#include "mbed.h"

void SPI_Ecrire2Octets(unsigned char MSB, unsigned char LSB);
void Init_MAX7219(void);

    // Déclarer ici le composant
    
    // Déclarer ici le CS
    
    // Programme principal
int main()
{
    cs.write(1);                    // CS initially High
    spi.format(8,0);                // 8-bit format, mode 0,0
    spi.frequency(1000000);         // SCLK = 1 MHz
    Init_MAX7219();                 // Initialize the LED controller
        
    while (1) {
                                

    }
}
    // Pour envoyer 2 octets sur le bus SPI
void SPI_Ecrire2Octets(unsigned char MSB, unsigned char LSB)
{
    // Ecrire ici le code de votre fonction
}

    // initialisation du MAX7219 
void Init_MAX7219(void)
{
    
        SPI_Ecrire2Octets(0x09, 0x00);         // Decoding off
        SPI_Ecrire2Octets(0x0A, 0x08);         // Brightness to intermediate
        SPI_Ecrire2Octets(0x0B, 0x07);         // Scan limit = 7
        SPI_Ecrire2Octets(0x0C, 0x01);         // Normal operation mode
        SPI_Ecrire2Octets(0x0F, 0x0F);         // Enable display test
        wait_ms(500);                   // 500 ms delay

        SPI_Ecrire2Octets(0x01, 0x00);         // Clear row 0.
        SPI_Ecrire2Octets(0x02, 0x00);         // Clear row 1.
        SPI_Ecrire2Octets(0x03, 0x00);         // Clear row 2.
        SPI_Ecrire2Octets(0x04, 0x00);         // Clear row 3.
        SPI_Ecrire2Octets(0x05, 0x00);         // Clear row 4.
        SPI_Ecrire2Octets(0x06, 0x00);         // Clear row 5.
        SPI_Ecrire2Octets(0x07, 0x00);         // Clear row 6.
        SPI_Ecrire2Octets(0x08, 0x00);         // Clear row 7.
        SPI_Ecrire2Octets(0x0F, 0x00);         // Disable display test
        wait_ms(500);                   // 500 ms delay
    }