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Autoformat example MinimalInterrupt.ino

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- auto format from arduino ide
- unsigned char ->  byte
This commit is contained in:
Rotzbua
2016-10-14 15:08:49 +02:00
parent c6a341f7a3
commit 82f2074e40
1 changed files with 58 additions and 60 deletions
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118
examples/MinimalInterrupt/MinimalInterrupt.ino
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@@ -31,14 +31,14 @@
#define RST_PIN 9 // Configurable, see typical pin layout above #define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 3 // Configurable, see typical pin layout above #define SS_PIN 3 // Configurable, see typical pin layout above
#define IRQ_PIN 2 #define IRQ_PIN 2 // Configurable, depends on hardware
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance. MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
MFRC522::MIFARE_Key key; MFRC522::MIFARE_Key key;
volatile boolean bNewInt = false; volatile boolean bNewInt = false;
unsigned char regVal = 0x7F; byte regVal = 0x7F;
void activateRec(MFRC522 mfrc522); void activateRec(MFRC522 mfrc522);
void clearInt(MFRC522 mfrc522); void clearInt(MFRC522 mfrc522);
@@ -46,94 +46,92 @@ void clearInt(MFRC522 mfrc522);
* Initialize. * Initialize.
*/ */
void setup() { void setup() {
Serial.begin(115200); // Initialize serial communications with the PC Serial.begin(115200); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4) while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
/* read and printout the MFRC522 version (valid values 0x91 & 0x92)*/ mfrc522.PCD_Init(); // Init MFRC522 card
Serial.print("Ver: 0x");
byte readReg = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
Serial.println(readReg, HEX);
/* setup the IRQ pin*/ /* read and printout the MFRC522 version (valid values 0x91 & 0x92)*/
pinMode(IRQ_PIN, INPUT_PULLUP); Serial.print(F("Ver: 0x"));
byte readReg = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
/* Serial.println(readReg, HEX);
* Allow the ... irq to be propagated to the IRQ pin
* For test purposes propagate the IdleIrq and loAlert
*/
regVal = 0xA0; //rx irq
mfrc522.PCD_WriteRegister(mfrc522.ComIEnReg,regVal);
bNewInt = false; //interrupt flag
/*Activate the interrupt*/ /* setup the IRQ pin*/
attachInterrupt(digitalPinToInterrupt(IRQ_PIN), readCard, FALLING); pinMode(IRQ_PIN, INPUT_PULLUP);
do{ //clear a spourious interrupt at start
;
}while(!bNewInt);
bNewInt = false;
Serial.println("End setup"); /*
* Allow the ... irq to be propagated to the IRQ pin
* For test purposes propagate the IdleIrq and loAlert
*/
regVal = 0xA0; //rx irq
mfrc522.PCD_WriteRegister(mfrc522.ComIEnReg, regVal);
bNewInt = false; //interrupt flag
/*Activate the interrupt*/
attachInterrupt(digitalPinToInterrupt(IRQ_PIN), readCard, FALLING);
do { //clear a spourious interrupt at start
;
} while (!bNewInt);
bNewInt = false;
Serial.println(F("End setup"));
} }
/** /**
* Main loop. * Main loop.
*/ */
void loop() { void loop() {
if (bNewInt) { //new read interrupt
if(bNewInt){ //new read interrupt Serial.print(F("Interrupt. "));
Serial.print("Interrupt. "); mfrc522.PICC_ReadCardSerial(); //read the tag data
mfrc522.PICC_ReadCardSerial(); //read the tag data // Show some details of the PICC (that is: the tag/card)
// Show some details of the PICC (that is: the tag/card) Serial.print(F("Card UID:"));
Serial.print(F("Card UID:")); dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size); Serial.println();
Serial.println();
clearInt(mfrc522);
mfrc522.PICC_HaltA();
bNewInt = false;
}
// The receiving block needs regular retriggering (tell the tag it should transmit??) clearInt(mfrc522);
// (mfrc522.PCD_WriteRegister(mfrc522.FIFODataReg,mfrc522.PICC_CMD_REQA);) mfrc522.PICC_HaltA();
activateRec(mfrc522); bNewInt = false;
delay(100); }
// The receiving block needs regular retriggering (tell the tag it should transmit??)
// (mfrc522.PCD_WriteRegister(mfrc522.FIFODataReg,mfrc522.PICC_CMD_REQA);)
activateRec(mfrc522);
delay(100);
} //loop() } //loop()
/** /**
* Helper routine to dump a byte array as hex values to Serial. * Helper routine to dump a byte array as hex values to Serial.
*/ */
void dump_byte_array(byte *buffer, byte bufferSize) { void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) { for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " "); Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX); Serial.print(buffer[i], HEX);
} }
} }
/** /**
* MFRC522 interrupt serving routine * MFRC522 interrupt serving routine
*/ */
void readCard(){ void readCard() {
bNewInt = true; bNewInt = true;
} }
/* /*
* The function sending to the MFRC522 the needed commands to activate the reception * The function sending to the MFRC522 the needed commands to activate the reception
*/ */
void activateRec(MFRC522 mfrc522){ void activateRec(MFRC522 mfrc522) {
mfrc522.PCD_WriteRegister(mfrc522.FIFODataReg,mfrc522.PICC_CMD_REQA); mfrc522.PCD_WriteRegister(mfrc522.FIFODataReg, mfrc522.PICC_CMD_REQA);
mfrc522.PCD_WriteRegister(mfrc522.CommandReg,mfrc522.PCD_Transceive); mfrc522.PCD_WriteRegister(mfrc522.CommandReg, mfrc522.PCD_Transceive);
mfrc522.PCD_WriteRegister(mfrc522.BitFramingReg, 0x87); mfrc522.PCD_WriteRegister(mfrc522.BitFramingReg, 0x87);
} }
/* /*
* The function to clear the pending interrupt bits after interrupt serving routine * The function to clear the pending interrupt bits after interrupt serving routine
*/ */
void clearInt(MFRC522 mfrc522){ void clearInt(MFRC522 mfrc522) {
mfrc522.PCD_WriteRegister(mfrc522.ComIrqReg,0x7F); mfrc522.PCD_WriteRegister(mfrc522.ComIrqReg, 0x7F);
} }