unsigned char tc_tecla(unsigned int timeout)
{
unsigned int to=0;
unsigned char i;
unsigned char ret=0;
unsigned char tmp=PORTB;
while(((to < timeout)||(!timeout))&&(!ret))
{
for(i=0;i<3;i++)
{
PORTB|=~linha[i];
if(!TC1){delay1ktcy(2*20);if(!TC1){while(!TC1);ret= 1+i;break;}};
if(!TC2){delay1ktcy(2*20);if(!TC2){while(!TC2);ret= 4+i;break;}};
if(!TC3){delay1ktcy(2*20);if(!TC3){while(!TC3);ret= 7+i;break;}};
if(!TC4){delay1ktcy(2*20);if(!TC4){while(!TC4);ret= 10+i;break;}};
PORTB &=linha[i];
};
delay1ktcy(2*5);
to+=5;
}
if(!ret)ret=255;
if(ret == 11)ret=0;
PORTB=tmp;
return ret;
}
void lcd_dat(unsigned char val)
{
LENA=1;
lcd_wr(val);
LDAT=1;
delay1ktcy(2*3);
LENA=0;
delay1ktcy(2*3);
LENA=1;
}
/*
* INITIALIZATION AND MISC
*/
void setup_1(void)
{
uint8_t i;
IFI_Initialization();
/* Initialize serial port communication. */
statusflag.b.NEW_SPI_DATA = 0;
usart1_open(USART_TX_INT_OFF
& USART_RX_INT_OFF
& USART_ASYNCH_MODE
& USART_EIGHT_BIT
& USART_CONT_RX
& USART_BRGH_HIGH,
kBaud115);
delay1ktcy(50);
/* Make the master control all PWMs (for now) */
txdata.pwm_mask.a = 0xFF;
for (i = IX_DIGITAL(1); i <= IX_DIGITAL(CT_DIGITAL); ++i) {
digital_setup(i, false);
}
/* Init ADC */
/* Setup the number of analog sensors. The PIC defines a series of 15
* ADC constants in mcc18/h/adc.h that are all of the form 0b1111xxxx,
* where x counts the number of DIGITAL ports. In total, there are
* sixteen ports numbered from 0ANA to 15ANA.
*/
if (NUM_ANALOG_VALID(USER_CT_ANALOG) && USER_CT_ANALOG > 0) {
/* ADC_FOSC: Based on a baud_115 value of 21, given the formula
* FOSC/(16(X + 1)) in table 18-1 of the PIC18F8520 doc the
* FOSC is 40Mhz.
* Also according to the doc, section 19.2, the
* ADC Freq needs to be at least 1.6us or 0.625MHz. 40/0.625=64
* (Also, see table 19-1 in the chip doc)
*/
#if defined(MCC18)
OpenADC( ADC_FOSC_64 & ADC_RIGHT_JUST &
( 0xF0 | (16 - USER_CT_ANALOG) ) ,
ADC_CH0 & ADC_INT_OFF & ADC_VREFPLUS_VDD &
ADC_VREFMINUS_VSS );
#elif defined(SDCC)
adc_open(
ADC_CHN_0,
ADC_FOSC_64,
ADC_CFG_16A,
ADC_FRM_RJUST | ADC_INT_OFF | ADC_VCFG_VDD_VSS );
#else
#error "Bad Comp"
#endif
} else {
/* TODO: Handle the error. */
puts("ADC is disabled");
}
}
void lcd_init(void)
{
LENA=0;
LDAT=0;
delay1ktcy(2*20);
LENA=1;
lcd_cmd(L_CFG);
delay1ktcy(2*5);
lcd_cmd(L_CFG);
delay1ktcy(2*1);
lcd_cmd(L_CFG); //configura
lcd_cmd(L_OFF);
lcd_cmd(L_ON); //liga
lcd_cmd(L_CLR); //limpa
lcd_cmd(L_CFG); //configura
lcd_cmd(L_L1);
}
void main(void)
{
uint8_t i;
TRISB = 0; // Pins as output
LATB = 0; // LEDs off
while (1) {
for (i = 0; i < 10; i++) {
LATB = number_to_7seg(i);
delay1ktcy(250); //1s @ 1MHz
}
}
}
