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speeduino
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Experimental fast digital IO work

This commit is contained in:
Josh Stewart 2015-09-30 14:47:48 +10:00
parent 5f148fc4fd
commit 57607b8ac0
3 changed files with 23 additions and 0 deletions
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10
globals.h
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@ -41,6 +41,16 @@ const int map_page_size = 288;
#define SERIAL_BUFFER_THRESHOLD 32 // When the serial buffer is filled to greater than this threshold value, the serial processing operations will be performed more urgently in order to avoid it overflowing. Serial buffer is 64 bytes long, so the threshold is set at half this as a reasonable figure
//These are for the direct port manipulation of the injectors and coils
volatile byte *inj1_pin_port;
volatile byte inj1_pin_mask;
volatile byte *inj2_pin_port;
volatile byte inj2_pin_mask;
volatile byte *inj3_pin_port;
volatile byte inj3_pin_mask;
volatile byte *inj4_pin_port;
volatile byte inj4_pin_mask;
//The status struct contains the current values for all 'live' variables
//In current version this is 64 bytes
struct statuses {

4
speeduino.ino
View File

@ -868,11 +868,15 @@ void loop()
//NOTE: squirt status is changed as per http://www.msextra.com/doc/ms1extra/COM_RS232.htm#Acmd
void openInjector1() { digitalWrite(pinInjector1, HIGH); BIT_SET(currentStatus.squirt, 0); }
void closeInjector1() { digitalWrite(pinInjector1, LOW); BIT_CLEAR(currentStatus.squirt, 0); }
//void openInjector1() { *inj1_pin_port |= (inj1_pin_mask); ; BIT_SET(currentStatus.squirt, 0); }
//void closeInjector1() { *inj1_pin_port &= ~(inj1_pin_mask); BIT_CLEAR(currentStatus.squirt, 0); }
void beginCoil1Charge() { digitalWrite(pinCoil1, coilHIGH); BIT_SET(currentStatus.spark, 0); digitalWrite(pinTachOut, LOW); }
void endCoil1Charge() { digitalWrite(pinCoil1, coilLOW); BIT_CLEAR(currentStatus.spark, 0); }
void openInjector2() { digitalWrite(pinInjector2, HIGH); BIT_SET(currentStatus.squirt, 1); } //Sets the relevant pin HIGH and changes the current status bit for injector 2 (2nd bit of currentStatus.squirt)
void closeInjector2() { digitalWrite(pinInjector2, LOW); BIT_CLEAR(currentStatus.squirt, 1); }
//void openInjector2() { *inj2_pin_port |= (inj2_pin_mask); ; BIT_SET(currentStatus.squirt, 0); }
//void closeInjector2() { *inj2_pin_port &= ~(inj2_pin_mask); BIT_CLEAR(currentStatus.squirt, 0); }
void beginCoil2Charge() { digitalWrite(pinCoil2, coilHIGH); BIT_SET(currentStatus.spark, 1); digitalWrite(pinTachOut, LOW); }
void endCoil2Charge() { digitalWrite(pinCoil2, coilLOW); BIT_CLEAR(currentStatus.spark, 1);}

9
utils.ino
View File

@ -237,6 +237,15 @@ void setPinMapping(byte boardID)
pinMode(pinIdle1, OUTPUT);
pinMode(pinIdle2, OUTPUT);
pinMode(pinFuelPump, OUTPUT);
inj1_pin_port = portOutputRegister(digitalPinToPort(pinInjector1));
inj1_pin_mask = digitalPinToBitMask(pinInjector1);
inj2_pin_port = portOutputRegister(digitalPinToPort(pinInjector2));
inj2_pin_mask = digitalPinToBitMask(pinInjector2);
inj3_pin_port = portOutputRegister(digitalPinToPort(pinInjector3));
inj3_pin_mask = digitalPinToBitMask(pinInjector3);
inj4_pin_port = portOutputRegister(digitalPinToPort(pinInjector4));
inj4_pin_mask = digitalPinToBitMask(pinInjector4);
//And for inputs
pinMode(pinMAP, INPUT);