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add special Pro pwm functions

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This commit is contained in:
Erik Tylek Kettenburg
2015-01-12 15:16:52 -08:00
parent ae86668681
commit 02c36dfd60
5 changed files with 115 additions and 15 deletions
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4
hardware/digistump/avr/cores/pro/Arduino.h
View File

@@ -103,6 +103,10 @@ int digitalRead(uint8_t);
int analogRead(uint8_t);
void analogReference(uint8_t mode);
void analogWrite(uint8_t, int);
void pwmWrite(uint8_t, int);
void pwmConnect(uint8_t, int);
void pwmDisconnect(uint8_t, int);
void pwmReset(void);
unsigned long millis(void);
unsigned long micros(void);

98
hardware/digistump/avr/cores/pro/wiring_analog.c
View File

@@ -45,6 +45,8 @@ void analogReference(uint8_t mode)
analog_reference = mode;
}
int analogRead(uint8_t pin)
{
#if defined( NUM_DIGITAL_PINS )
@@ -83,6 +85,80 @@ int analogRead(uint8_t pin)
return LOW;
#endif
}
void pwmReset()
{
cbi(TCCR1D, OC1AV);
cbi(TCCR1D, OC1AU);
cbi(TCCR1D, OC1AW);
cbi(TCCR1D, OC1AX);
cbi(TCCR1D, OC1BV);
cbi(TCCR1D, OC1BU);
cbi(TCCR1D, OC1BW);
cbi(TCCR1D, OC1BX);
}
void pwmWrite(uint8_t channel, int val)
{
if( channel == TIMER1A){
// connect pwm to pin on timer 1, channel A
sbi(TCCR1A, COM1A1);
sbi(TCCR1A, WGM10);
cbi(TCCR1A, COM1A0);
sbi(TCCR1B, WGM10);
sbi(TCCR1B, CS11);
//sbi(TCCR1B, CS10);
OCR1A = val; // set pwm duty
} else if( channel == TIMER1B){
// connect pwm to pin on timer 1, channel B
sbi(TCCR1A, COM1B1);
sbi(TCCR1A, WGM10);
cbi(TCCR1A, COM1B0);
sbi(TCCR1B, WGM10);
sbi(TCCR1B, CS11);
//sbi(TCCR1B, CS10);
OCR1B = val; // set pwm duty
}
}
void pwmConnect(uint8_t pin)
{
pinMode(pin,OUTPUT);
if(pin == 2)
sbi(TCCR1D, OC1AV);
else if(pin == 0)
sbi(TCCR1D, OC1AU);
// cbi(TCCR1D, OC1AW);//used by crystal
else if(pin == 3)
sbi(TCCR1D, OC1AX);
else if(pin == 4)
sbi(TCCR1D, OC1BV);
else if(pin == 1)
sbi(TCCR1D, OC1BU);
// cbi(TCCR1D, OC1BW);//used by crystal
// sbi(TCCR1D, OC1BX);//reset pin
}
void pwmDisconnect(uint8_t pin)
{
pinMode(pin,OUTPUT);
if(pin == 2)
cbi(TCCR1D, OC1AV);
else if(pin == 0)
cbi(TCCR1D, OC1AU);
// cbi(TCCR1D, OC1AW);//used by crystal
else if(pin == 3)
cbi(TCCR1D, OC1AX);
else if(pin == 4)
cbi(TCCR1D, OC1BV);
else if(pin == 1)
cbi(TCCR1D, OC1BU);
// cbi(TCCR1D, OC1BW);//used by crystal
// cbi(TCCR1D, OC1BX);//reset pin
}
// Right now, PWM output only works on the pins with
// hardware support. These are defined in the appropriate
// pins_*.c file. For the rest of the pins, we default
@@ -129,10 +205,19 @@ void analogWrite(uint8_t pin, int val)
//sbi(TCCR1B, CS10);
cbi(TCCR1D, OC1AV);
sbi(TCCR1D, OC1AU);
cbi(TCCR1D, OC1AU);
cbi(TCCR1D, OC1AW);
cbi(TCCR1D, OC1AX);
if(pin == 2)
sbi(TCCR1D, OC1AV);
else if(pin == 0)
sbi(TCCR1D, OC1AU);
else if(pin == 3)
sbi(TCCR1D, OC1AX);
OCR1A = val; // set pwm duty
} else
@@ -150,16 +235,17 @@ void analogWrite(uint8_t pin, int val)
//sbi(TCCR1B, CS10);
cbi(TCCR1D, OC1BV);
sbi(TCCR1D, OC1BU);
cbi(TCCR1D, OC1BU);
cbi(TCCR1D, OC1BW);
cbi(TCCR1D, OC1BX);
if(pin == 4)
sbi(TCCR1D, OC1BV);
else if(pin == 1)
sbi(TCCR1D, OC1BU);
OCR1B = val; // set pwm duty
} else
{
if (val < 128)
{