public
Description: First steps in PIC18 land
Clone URL: git://github.com/ecarnevale/pic18_firmware.git
new .gitignore and first draft of Rakefile
ecarnevale (author)
Fri Jun 20 08:06:38 -0700 2008
commit  f74309e7d2a95e55ef0efb20cc4b7e80ce8d6e38
tree    5df5636f5734f0c010b2c99b93fa92185c74ecd5
parent  c24a9534450e548182b4984a73e9670b9935c371
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@@ -34,7 +34,8 @@
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 #pragma config OSC    = HSPLL      // Usare con quarzo da 10MHz e PPL 4x
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-#define LC PORTAbits.RA4 // Led
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+#define LC PORTAbits.RA4 // Led
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+int S1;
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 void main()
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@@ -43,6 +44,7 @@ void main()
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 // interrupt
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 INTCON = 0;            // all Interrupts disabled
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+
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 for (S1=0;S1<100;S1++)          // LED will blink
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  {
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   LC=!LC;
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0
@@ -134,7 +134,7 @@ INTCON = 0;                // disattiva tutti gli interrupt
0
 INTCONbits.GIE = 1;            // attiva interrupt UART e Timer
0
 INTCONbits.PEIE = 1;
0
 
0
-for (S1=0;S1<10;S1++) // fa lampeggiare il LED
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+for (S1=0;S1<100;S1++) // fa lampeggiare il LED
0
  {
0
   LC=!LC;
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   Delay10KTCYx(80);
0
@@ -187,117 +187,25 @@ TXcount = 0;
0
 
0
 while(1)
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  {
0
- if (INTCONbits.TMR0IF)
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- {
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- ServoCiclo(); // gestione servi
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- LC=1;
0
- }
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+ // if (INTCONbits.TMR0IF)
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+ // {
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+ // ServoCiclo(); // gestione servi
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+ // LC=1;
0
+ // }
0
   
0
- ADCCiclo();
0
- SetDCPWM1(PWM1); // PWM1 e PWM2
0
- SetDCPWM2(PWM2);
0
-
0
- if(ParsFlag) Parser(); // analisi comandi
0
- }
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+ // ADCCiclo();
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+ // SetDCPWM1(PWM1); // PWM1 e PWM2
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+ // SetDCPWM2(PWM2);
0
+
0
+ // if(ParsFlag) Parser(); // analisi comandi
0
+ //}
0
+ // scrittura UART
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+ WriteUSART("Greetings from the MuIN!\r\n");
0
+ }
0
 }
0
 
0
 /* ---------- fime main ---------- */
0
 
0
-void ServoCiclo (void)
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-{
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-switch (Ssel)
0
- {
0
- case 1:
0
- if(SGr1)
0
- {
0
- TMR1H = (65536 - S1*10) >> 8;
0
- TMR1L = (65536 - S1*10);
0
- LATBbits.LATB0 = 1;
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-
0
- TMR3H = (65536 - S2*10) >> 8;
0
- TMR3L = (65536 - S2*10);
0
- LATBbits.LATB1 = 1;
0
- }
0
- break;
0
-
0
- case 2:
0
- if(SGr1)
0
- {
0
- TMR1H = (65536 - S3*10) >> 8;
0
- TMR1L = (65536 - S3*10);
0
- LATBbits.LATB2 = 1;
0
-
0
- TMR3H = (65536 - S4*10) >> 8;
0
- TMR3L = (65536 - S4*10);
0
- LATBbits.LATB3 = 1;
0
- }
0
- break;
0
-
0
- case 3:
0
- if(SGr2)
0
- {
0
- TMR1H = (65536 - S5*10) >> 8;
0
- TMR1L = (65536 - S5*10);
0
- LATBbits.LATB4 = 1;
0
-
0
- TMR3H = (65536 - S6*10) >> 8;
0
- TMR3L = (65536 - S6*10);
0
- LATBbits.LATB5 = 1;
0
- }
0
- break;
0
-
0
- case 4:
0
- if(SGr2)
0
- {
0
- TMR1H = (65536 - S7*10) >> 8;
0
- TMR1L = (65536 - S7*10);
0
- LATBbits.LATB6 = 1;
0
-
0
- TMR3H = (65536 - S8*10) >> 8;
0
- TMR3L = (65536 - S8*10);
0
- LATBbits.LATB7 = 1;
0
- }
0
- break;
0
- }
0
-
0
-if (Ssel < 4 ) Ssel++;
0
-else Ssel = 1;
0
-
0
-TMR0H = 0x3C; // 5 ms
0
-TMR0L = 0xB0;
0
-
0
-T1CONbits.TMR1ON = 1;
0
-T3CONbits.TMR3ON = 1;
0
-INTCONbits.TMR0IF = 0;
0
-}
0
-
0
-void ADCCiclo (void)
0
-{
0
- SetChanADC( ADC_CH0 ); // legge un canale dell'ADC
0
- ConvertADC();
0
- while (BusyADC());
0
- ADC1 = ReadADC();
0
-
0
- SetChanADC( ADC_CH1 );
0
- ConvertADC();
0
- while (BusyADC());
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- ADC2 = ReadADC();
0
-
0
- SetChanADC( ADC_CH2 );
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- ConvertADC();
0
- while (BusyADC());
0
- ADC3 = ReadADC();
0
-
0
- SetChanADC( ADC_CH3 );
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- ConvertADC();
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- while (BusyADC());
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- ADC4 = ReadADC();
0
-
0
- SetChanADC( ADC_CH4 );
0
- ConvertADC();
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- while (BusyADC());
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- ADC5 = ReadADC();
0
-}
0
 
0
 
0
 void ISRgest(void)    // I.S.R.
0
@@ -357,278 +265,6 @@ if (PIR1bits.RCIF)
0
  }
0
 }
0
 
0
-void Parser(void)
0
-{
0
-char i;
0
-
0
-if (strcom[0] = '@')
0
- {
0
- switch (strcom[1])
0
- {
0
- case 'P': // comando PWM
0
- switch (strcom[2])
0
- {
0
- case '1':
0
- PWM1 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '2':
0
- PWM2 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case 'R':
0
- if (strcom[3] == '1')
0
- {
0
- if (strcom[4] == '1') LATCbits.LATC0 = 1;
0
- else LATCbits.LATC0 = 0;
0
- }
0
- if (strcom[3] == '2')
0
- {
0
- if (strcom[4] == '1') LATCbits.LATC5 = 1;
0
- else LATCbits.LATC5 = 0;
0
- }
0
- break;
0
- }
0
- break;
0
-
0
- case 'G': // comando GPIO
0
- if (strcom[2] == 'R') // legge PORTB
0
- {
0
- GPIO_read();
0
- }
0
- if (strcom[2] == 'W') // scrive su PORTB
0
- {
0
- LATB = strcom[3];
0
- }
0
- break;
0
-
0
- case 'M': // comando MD22
0
- if (strcom[2] == 'M')
0
- {
0
- MD22mod(strcom[3],strcom[4]);
0
- }
0
-
0
- if (strcom[2] == 'R')
0
- {
0
- MD22(strcom[3],strcom[4],1);
0
- }
0
-
0
- if (strcom[2] == 'L')
0
- {
0
- MD22(strcom[3],strcom[4],2);
0
- }
0
- break;
0
-
0
- case 'I': // comando I2C write
0
- I2CW();
0
- break;
0
-
0
- case 'L': // comando I2C read
0
- I2CR();
0
- break;
0
-
0
- case 'F': // Sonar
0
- if (strcom[2] == '1') // ping
0
- {
0
- SRFping(strcom[3]);
0
- }
0
-
0
- if (strcom[2] == 'A') // change address
0
- {
0
- SRF_Ad_Ch(strcom[3],strcom[4]);
0
- }
0
-
0
- if (strcom[2] == '0') // legge
0
- {
0
- SRFread(strcom[3]);
0
- itoa(SRFdist,str);
0
- TXREG = '@';
0
- while(!TXSTAbits.TRMT);
0
- TXREG = 'F';
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = '#';
0
- while(!TXSTAbits.TRMT);
0
- }
0
- break;
0
-
0
- case 'C': // Bussola
0
- if (strcom[2]== 1) // CMPS03
0
- {
0
- CMPS03(strcom[3]);
0
- itoa(Compass,str);
0
- TXREG = '@';
0
- while(!TXSTAbits.TRMT);
0
- TXREG = 'C';
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = '#';
0
- while(!TXSTAbits.TRMT);
0
- }
0
-
0
- if (strcom[2] == 'A') // change address
0
- {
0
- CPMS03_Ad_Ch(strcom[3],strcom[4]);
0
- }
0
-
0
- break;
0
-
0
- case 'A': // ADC
0
- TXREG = '@';
0
- while(!TXSTAbits.TRMT);
0
- TXREG = 'A';
0
- while(!TXSTAbits.TRMT);
0
-
0
- itoa(ADC1,str);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
-
0
- itoa(ADC2,str);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
-
0
- itoa(ADC3,str);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
-
0
- itoa(ADC4,str);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
-
0
- itoa(ADC5,str);
0
- TXREG = str[0];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[1];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[2];
0
- while(!TXSTAbits.TRMT);
0
- TXREG = str[3];
0
- while(!TXSTAbits.TRMT);
0
-
0
- TXREG = '#';
0
- while(!TXSTAbits.TRMT);
0
-
0
- break;
0
-
0
- case 'S': // comando Servo
0
- switch (strcom[2])
0
- {
0
- case '1':
0
- S1 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '2':
0
- S2 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '3':
0
- S3 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '4':
0
- S4 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '5':
0
- S5 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '6':
0
- S6 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '7':
0
- S7 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
-
0
- case '8':
0
- S8 = ((int) strcom[3] << 8) + (unsigned char) strcom[4];
0
- break;
0
- }
0
- break;
0
-
0
- case 'E': // Scrive EEPROM
0
- EEPROMWRITE(strcom[2] ,0x00);
0
- EEPROMWRITE(strcom[3] ,0x01);
0
- EEPROMWRITE(strcom[4] ,0x02);
0
- EEPROMWRITE(strcom[5] ,0x03);
0
- EEPROMWRITE(strcom[6] ,0x04);
0
-
0
- LC = 1;
0
- for (S1=0;S1<4;S1++) // fa lampeggiare il LED
0
- {
0
- LC=!LC;
0
- Delay10KTCYx(250);
0
- }
0
- break;
0
-
0
- case 'Z': // Legge EEPROM
0
- TXREG = '@';
0
- while(!TXSTAbits.TRMT);
0
- TXREG = 'I';
0
- while(!TXSTAbits.TRMT);
0
-
0
- TXREG = EEPROMREAD(0x00);
0
- while(!TXSTAbits.TRMT);
0
- TXREG = EEPROMREAD(0x01);
0
- while(!TXSTAbits.TRMT);
0
- TXREG = EEPROMREAD(0x02);
0
- while(!TXSTAbits.TRMT);
0
- TXREG = EEPROMREAD(0x03);
0
- while(!TXSTAbits.TRMT);
0
- TXREG = EEPROMREAD(0x04);
0
- while(!TXSTAbits.TRMT);
0
-
0
- TXREG = '#';
0
- while(!TXSTAbits.TRMT);
0
- break;
0
-
0
- break;
0
- }
0
- }
0
-for (i=0;i<10;i++) strcom[i] = 0;
0
-ParsFlag = 0;
0
-TXcount = 0;
0
-}
0
-
0
 void SRFping(unsigned char ADDS)
0
 {
0
 EEByteWrite(ADDS, 0x00, 0x51);  // Start ranging, risultato in cm.
0
@@ -809,7 +445,8 @@ void init_sys(void)
0
       USART_ASYNCH_MODE &
0
       USART_EIGHT_BIT &
0
       USART_CONT_RX &
0
- USART_BRGH_HIGH, tmp2);
0
+ USART_BRGH_HIGH, 1041);
0
+// USART_BRGH_HIGH, tmp2);
0
 /*
0
 Con BRGH = 1, BRG = 16 (risoluzione a 16 bit)
0
 1200 = 8332

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