void platform_heartbeat(void)
{
static int i=0, t = 0;
if (--t < 0)
{
t = 59;
led_print(7, i ? ".": " ");
i ^= 1;
}
}
int main(int argc, char *argv[])
{
if (1 == argc) {
printf("Enter text as an argument.\n");
return 1;
}
if (!bcm2835_init()) {
printf("Unable to init bcm2835.\n");
return 2;
}
bcm2835_spi_begin();
bcm2835_spi_setBitOrder(BCM2835_SPI_BIT_ORDER_MSBFIRST); // The default
bcm2835_spi_setDataMode(BCM2835_SPI_MODE0); // The default
bcm2835_spi_setClockDivider(BCM2835_SPI_CLOCK_DIVIDER_256); // The default
bcm2835_gpio_fsel(Max7219_pinCS, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_write(disp1[0][0],HIGH);
Delay_xms(50);
Init_MAX7219();
size_t index = 0;
while (index < strlen(argv[1])) {
// Retrive first letter
char letter1 = toupper(argv[1][index]);
index++;
// Retrieve second letter
// If it does not exist use space
char letter2 = (index < strlen(argv[1])) ? toupper(argv[1][index]) : (char) 0;
led_print(find_char(letter1), find_char(letter2));
Delay_xms(1000);
index++;
}
// Clear screen
led_print(36, 36);
bcm2835_spi_end();
bcm2835_close();
return 0;
}
void main(void)
{
IRCF2=1; IRCF1=1; IRCF0=1; //8MHz internal RC oscillator
ADCON0 = 0b000001; //Channel 0 //A/D converter module is enabled
ADCON1 = 0b001110; //Voltage Reference //A/D Port Configuration Control bits - pin AN0
ADCON2 = 0b10000101; //A/D Result Format Select bit //000=0TAD //110=FOSC/64, 010=FOSC/32, 101=FOSC/16
T0CON=0b10010011; //prescaler 011 - 1:16 Fosc/4=2000, 2000/16=125kHz
TMR0=TMR0_LOAD; //preload
TMR0IE=1; //timer overflow intterrupt enable
PEIE=1; //peripheral interrupt enable
GIE=1; //global interrupts enable
led_init();
sbuff[0]=0xff; //light all segments
sbuff[1]=0xff;
sbuff[2]=0xff;
delay_ms(1400);
led_clear();
for(;;)
{
GODONE=1;
while(GODONE);
volt=ADRES*10/VOLT_CONT;
if(volt>999) volt=999;
sprintf(strBuff,"%2u%1u",volt/10,volt%10);
led_print(0,strBuff);
led_dot(1,1);
delay_ms(200);
}
}
void __init platform_setup(char** cmdline)
{
led_print (0, "LINUX ");
}
void platform_power_off(void)
{
led_print (0, "POWEROFF");
local_irq_disable();
while (1);
}
void platform_halt(void)
{
led_print (0, " HALT ");
local_irq_disable();
while (1);
}
