/** USB & I2Cmaster for PIC16F1459 **/
void main(void)
{
SYSTEM_Initialize();
INTERRUPT_GlobalInterruptEnable();
INTERRUPT_PeripheralInterruptEnable();
uint8_t swFlg = 0;
uint8_t adFlg = 0;
uint8_t num, i;
uint8_t iDx = 0;
uint8_t CrRd = 0;
LCD_init();
char msg[] = "Hello!";
LCD_str(msg);
while(USBGetDeviceState() < CONFIGURED_STATE);
SendUSB_str(msg);
SendUSB_str(NEWLINE);
SendUSB_str("PIC> "); //プロンプト送信
while (1) {
num = RecvUSB(rBuf, BFSIZE);
if(num > 0) {
for(i=0; i < num; i++){
switch (rBuf[i]){
case 0x0A:
case 0x0D:
wBuf[iDx] = 0x00;
CrRd = 1; //改行を受信した
SendUSB_str(NEWLINE);
break;
default:
if(iDx == 0)LCD_clr();
wBuf[iDx++] = rBuf[i];
wBuf[iDx] = 0;
LCD_str(wBuf);
SendUSB_str(wBuf);
break;
}
}
num = 0;
}
if((CrRd > 0) && (iDx > 0)){ //受信文字が有、かつ、改行を受信した
switch (wBuf[0]){ //受信第１文字をコマンドとして実行
case 'L': case 'l':
LED_SetLow();
I2C_Write1ByteRegister(SV1, 0, 'L');
break;
case 'H': case 'h':
LED_SetHigh();
I2C_Write1ByteRegister(SV1, 0, 'H');
break;
case 'A': case 'a':
I2C_ReadNBytes(SV1, &aVal, 2);
sprintf(wBuf,"ADC:%4d",aVal);
LCD_cursor(0,1);
LCD_str(wBuf);
SendUSB_str(wBuf);
SendUSB_str(NEWLINE);
break;
}
SendUSB_str("PIC> "); //プロンプト送信
iDx = 0;
CrRd = 0;
}
}
}
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