int main(){
float input_data;
int32 output_data;
//Configure hardware
codec_init();
fir_init(banda1,banda2,banda3,banda4,banda5);
while(1){
//Processing data
if(DSK6713_DIP_get(3)==0){
//Initialize processing
leds_output(LED_STATE_ACTIVE);
while(DSK6713_DIP_get(3)==0){
input_data = codec_read();
output_data = fir_filter(input_data);
codec_write(output_data);
}
}
//Waiting
else{
leds_output(LED_STATE_WATING);
}
}
}
void leds_initialise() {
//The LEDs are configured to run on Ports UB and UC.
// Enable the UB and UC ports as GPIO
MCF_GPIO_PORTUB = 0
| MCF_GPIO_PUBPAR_UCTS1_GPIO
| MCF_GPIO_PUBPAR_URTS1_GPIO
| MCF_GPIO_PUBPAR_URXD1_GPIO
| MCF_GPIO_PUBPAR_UTXD1_GPIO;
MCF_GPIO_PUCPAR = 0
| MCF_GPIO_PUCPAR_UCTS2_GPIO
| MCF_GPIO_PUCPAR_URTS2_GPIO
| MCF_GPIO_PUCPAR_URXD2_GPIO
| MCF_GPIO_PUCPAR_UTXD2_GPIO;
//Set the UB and UC ports as digital outputs
MCF_GPIO_DDRUB = 0
| MCF_GPIO_DDRUB_DDRUB3
| MCF_GPIO_DDRUB_DDRUB2
| MCF_GPIO_DDRUB_DDRUB1
| MCF_GPIO_DDRUB_DDRUB0;
MCF_GPIO_DDRUC = 0
| MCF_GPIO_DDRUC_DDRUC3
| MCF_GPIO_DDRUC_DDRUC2
| MCF_GPIO_DDRUC_DDRUC1
| MCF_GPIO_DDRUC_DDRUC0;
//Set output values to 0
leds_output(0);
}
