Gymtrack
interrupt handling
Diff: interruptStuff.cpp
- Revision:
- 13:16a5b43ac874
- Parent:
- 12:336524cf63de
--- a/interruptStuff.cpp Fri Apr 10 23:16:44 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,436 +0,0 @@
-///* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-// Filename: interruptHandler.cpp
-// Description: Handles interrupt from TRF7970
-// Copyright (C) 2015 Gymtrack, Inc.
-// Author: Ron Clough
-// Date: 2015-03-03
-//
-// Changes:
-// Rev Date Who Details
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// 0.0 2015-03-03 RWC Original version.
-//
-//* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-//
-//#include "mbed.h"
-////#include "main.h"
-//#include "interruptStuff.h"
-//#include "readerComm.h"
-//
-//InterruptIn readerInt(p7); // Interrupt from TRF7970
-////DigitalIn irqPin(p7, PullDown);
-//extern DigitalOut debug1LED; // "Debug" LED
-//extern DigitalOut debug2LED;
-//extern DigitalOut heartbeatLED;
-//extern DigitalOut testPin;
-//extern Serial pc; // main.cpp
-//extern DigitalOut ISO15693LED;
-//extern uint8_t irqRegister; // Interrupt register (main.cpp)
-//extern uint8_t buf[300];
-//extern int16_t nfc_state;
-//extern uint8_t nfc_protocol;
-//extern uint8_t active;
-//extern int8_t rxtxState;
-//extern uint8_t rxErrorFlag;
-//extern uint8_t tagFlag;
-//volatile extern uint8_t irqFlag;
-//extern uint8_t irqCount;
-//
-//extern uint8_t buffer;
-//
-//extern uint8_t debugBuffer[1000]; // Capture data for analysis
-//extern uint8_t bufIdx;
-//
-//void trf797xSetupIrq(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xSetupIrq()
-//// Description: Interrupt from TRF7970 appears at pin 7 of
-//// on nRF51-DK eval board. trf7970IrqHandler() is called
-//// when a rising edge is detected.
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// readerInt.rise(&trf797xIrqHandler); // Interrupt on rising edge, call trf7970IrqHandler()
-// readerInt.disable_irq();
-//} // End of trf797xSetupIrq()
-//
-//void trf797xReadIrqStatus(uint8_t *buffer)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xReadIrqStatus()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// *buffer = IRQ_STATUS;
-// *(buffer + 1) = IRQ_MASK;
-// trf797xReadContinuous(buffer, 2);
-//} // End of trf797xReadIrqStatus()
-//
-//void trf797xResetIrqStatus(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xResetIrqStatus()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// uint8_t irq_status[4];
-//
-// irq_status[0] = IRQ_STATUS;
-// irq_status[1] = IRQ_MASK;
-// trf797xReadContinuous(irq_status, 2); // Read second register as dummy read
-//} // End of trf797xResetIrqStatus()
-//
-//
-//
-///*======================================nfc mode SG
-//void trf797xNfcModeIsr(uint8_t *Register)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xNfcModeIsr()
-//// bit0 - RF collision avoidance error
-//// bit1 - RF collision avoidance OK
-//// bit2 - Change in RF field level
-//// bit3 - SDD OK
-//// bit4 - Communication error
-//// bit5 - FIFO high/low
-//// bit6 - RX
-//// bit7 - TX
-////
-//// irqRegister is used for signaling to the protocol functions
-//// irqRegister = 0x00 - OK
-//// irqRegister = 0x01 - progress
-//// irqRegister = 0x02 - error
-//// irqRegister = 0xFF - end of RX
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// if (*Register == BIT0) {
-// irqRegister = 0x02;
-// }
-// else if (*Register == BIT1) {
-// irqRegister = 0x00;
-// }
-// else if (*Register == BIT3) {
-// irqRegister = 0x00;
-// }
-// else if ((*Register & BIT4) == BIT4) {
-// *Register = RX_SPECIAL_SETTINGS; // Check filter and gain
-// trf797xReadSingle(Register, 1);
-// trf797xStopDecoders();
-// irqRegister = 0x02;
-// }
-// else if (*Register == BIT7) { // TX complete
-// irqRegister = 0x00;
-// trf797xReset();
-// }
-// else if (*Register == 0x40 || *Register == 0x44) { // RX flag means that EOF has been received and
-// // the number of unread bytes is in FIFOstatus register
-// *Register = RX_SPECIAL_SETTINGS; // Check filter and gain
-// trf797xReadSingle(Register, 1);
-// *Register = FIFO_CONTROL;
-// trf797xReadSingle(Register, 1);
-// *Register = 0x7F & *Register;
-// buf[nfc_state] = FIFO; // Write the received bytes to the correct place in the buffer
-// trf797xReadContinuous(&buf[nfc_state], *Register);
-// nfc_state = nfc_state + *Register;
-// trf797xReset(); // Reset the FIFO after last byte has been read out
-// irqRegister = 0xFF; // Signal to the receive function that these are the last bytes
-// trf797xResetIrqStatus();
-// }
-// else if ((*Register == 0x60) || (*Register == 0x64)) { // RX and FIFO interrupt
-// irqRegister = 0x01;
-// }
-// else if (*Register == 0x48) { // SDD complete
-// irqRegister = 0x00;
-// }
-//} // End of trf797xNfcModeIsr()
-//*/
-//
-///*==============================================================================target SG
-//void trf797xTargetIsr(uint8_t *Register)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xTargetIsr()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// uint8_t command, i;
-//
-// if (*Register == 0x48) {
-// TargetProtocol:
-// // Determine the NFC target protocol
-// command = NFC_TARGET_PROTOCOL;
-// trf797xReadSingle(&command, 1); //read the NFCtargetprotocol register
-// command &= 0x3F;
-// buf[50] = ISO_CONTROL;
-// if (command == 0x09) {
-// nfc_protocol = 0x01;
-// *Register = FIFO_CONTROL;
-// trf797xReadSingle(Register, 1); // Determine the number of bytes left in FIFO
-// *Register = 0x7F & *Register;
-// buf[nfc_state] = FIFO; // Write the received bytes to the correct place in the buffer
-// trf797xReadContinuous(&buf[nfc_state], *Register);
-// nfc_state = nfc_state + *Register;
-// irqRegister = 0xFF;
-// }
-// else {
-// *Register = FIFO_CONTROL;
-// trf797xReadSingle(Register, 1); // Determine the number of bytes left in FIFO
-// *Register = 0x7F & *Register;
-// buf[nfc_state] = FIFO; // Write the received bytes to the correct place in the buffer
-// trf797xReadContinuous(&buf[nfc_state], *Register);
-// nfc_state = nfc_state + *Register;
-// irqRegister = 0xFF;
-// if ((command == 0x01)) { // 14443A - active
-// buf[51] = NFC106AC;
-// trf797xWriteSingle(&buf[50], 2);
-// nfc_protocol = 0x02;
-// active = 0xFF;
-// }
-// else if (command == 0x05) { // 14443B - tag emulation
-// buf[51] = TAG14443B;
-// trf797xWriteSingle(&buf[50], 2);
-// nfc_protocol = 0x07;
-// active = 0x00;
-// }
-// else if (command == 0x12) {
-// if(buf[1] == 0x06) { // Felica 212 - passive
-// buf[51] = NFC212PA;
-// trf797xWriteSingle(&buf[50], 2);
-// nfc_protocol = 0x03;
-// active = 0x00;
-// }
-// else { // Felica 212 - active
-// buf[51] = NFC212AC;
-// trf797xWriteSingle(&buf[50], 2);
-// nfc_protocol = 0x04;
-// active = 0xFF;
-// }
-// } // if (command == 0x12)
-// else if (command == 0x13) {
-// if(buf[1] == 0x06) { //Felica 424 - passive
-// buf[51] = NFC424PA;
-// trf797xWriteSingle(&buf[50], 2);
-// nfc_protocol = 0x05;
-// active = 0x00;
-// }
-// else { // Felica 424 - active
-// buf[51] = NFC424AC;
-// trf797xWriteSingle(&buf[50], 2);
-// nfc_protocol = 0x06;
-// active = 0xFF;
-// } // if (buf[1] == 0x06)
-// } // if (command == 0x13)
-// } // if (command == 0x09)
-// } // if (*Register == 0x48)
-// else if (*Register == 0x60) {
-// irqRegister = 0x01;
-// buf[nfc_state] = FIFO;
-// trf797xReadContinuous(&buf[nfc_state], FIFO_MORE); // Read FIFO_MORE bytes from FIFO
-// nfc_state = nfc_state + FIFO_MORE;
-// trf797xResetIrqStatus();
-// }
-// else if ((*Register & BIT3) == BIT3) { // SDD finished
-// irqRegister = 0xFF;
-// for(i = 0; i < 255; i++);
-// nfc_protocol = 0x01;
-// trf797xReset();
-// trf797xStopDecoders();
-// trf797xRunDecoders();
-// }
-// else if (*Register == 0x44) {
-// trf797xReadIrqStatus(Register);
-// if (*Register == 0x40) {
-// goto TargetProtocol;
-// }
-// else if (*Register == 0x00) {
-// goto RFfieldChange;
-// }
-// }
-// else if (*Register == BIT2) { // RF field change
-// RFfieldChange:
-// trf797xReset();
-// trf797xStopDecoders();
-// trf797xRunDecoders();
-// }
-// trf797xResetIrqStatus();
-//} // End of trf797xTargetIsr()
-//*/
-//void trf797xISR(uint8_t *irq_status)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xISR()
-//// Description: The Interrupt Handler determines how the IRQ should
-//// be handled. The Trf797x IRQ status register is read
-//// to determine the cause of the IRQ.
-//// Conditions are checked and appropriate actions taken.
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-//
-//debug2LED = LED_ON;
-//printf(" IRQ_STATUS %d \r\n",irq_status[0]);
-// printf(" IRQ_MASK %d \r\n",irq_status[1]);
-// if (*irq_status == 0xA0) { printf( "BIT5 and BIT7, TX active and only 3 bytes left in FIFO \r\n"); // BIT5 and BIT7, TX active and only 3 bytes left in FIFO
-// irqRegister = 0x00;
-// }
-// else if (*irq_status == BIT7) { printf( " TX complete \r\n"); // TX complete // always comes here SG
-//
-// irqRegister = 0x00;
-// trf797xReset(); // Reset the FIFO after TX
-// }
-// else if ((*irq_status & BIT1) == BIT1) {printf( "Collision error \r\n"); // Collision error // comes here when tag is detected SG
-//
-// irqRegister = 0x02; // RX complete
-// trf797xStopDecoders();
-// trf797xReset();
-// trf797xResetIrqStatus();
-//// // IRQ_CLR;
-// }
-// else if (*irq_status == BIT6) { printf( "BIT6 INTERRUPT \r\n"); // RX flag means that EOF has been received // does not come here 3G
-// // and the number of unread bytes is in FIFOstatus register
-//
-// if (rxErrorFlag == 0x02) {
-// irqRegister = 0x02;
-// return;
-// }
-// *irq_status = FIFO_CONTROL;
-// trf797xReadSingle(irq_status, 1); // Determine the number of bytes left in FIFO
-// *irq_status = 0x7F & *irq_status;
-// buf[rxtxState] = FIFO; // Write the received bytes to the correct place in the buffer
-// trf797xReadContinuous(&buf[rxtxState], *irq_status);
-// rxtxState = rxtxState + *irq_status;
-// trf797xReset(); // Reset the FIFO after last byte has been read out
-// irqRegister = 0xFF; // Signal to the receive funnction that these are the last bytes
-// }
-// else if (*irq_status == 0x60) { printf( "RX active and 9 bytes already in FIFO \r\n"); // RX active and 9 bytes already in FIFO
-//
-// irqRegister = 0x01;
-// buf[rxtxState] = FIFO;
-// trf797xReadContinuous(&buf[rxtxState], 86); // Read 86 bytes from FIFO
-// rxtxState = rxtxState + 86;
-// if (readerInt) { //ISO15693LED = LED_ON; // If IRQ pin high // chnaged irqpin to readerInt
-// trf797xReadIrqStatus(irq_status);
-//// // IRQ_CLR
-// if (*irq_status == 0x40) { // End of recieve
-// *irq_status = FIFO_CONTROL;
-// trf797xReadSingle(irq_status, 1); // Determine the number of bytes left in FIFO
-// *irq_status = 0x7F & *irq_status;
-// buf[rxtxState] = FIFO; // Write the received bytes to the correct place in the buffer
-// trf797xReadContinuous(&buf[rxtxState], *irq_status);
-// rxtxState = rxtxState + *irq_status;
-// irqRegister = 0xFF; // Signal to the receive funnction that these are the last bytes
-// trf797xReset(); // Reset the FIFO after last byte has been read out
-// }
-// else if(*irq_status == 0x50) { printf( "End of receive and error \r\n"); // End of receive and error
-// irqRegister = 0x02;
-// }
-// }
-// else {
-// trf797xReadIrqStatus(irq_status);
-// if(irq_status[0] == 0x00) {
-// irqRegister = 0xFF;
-// }
-// }
-// }
-// else if ((*irq_status & BIT4) == BIT4) { printf( "BIT4 INTERRUPT \r\n"); // CRC error
-// if ((*irq_status & BIT5) == BIT5) { printf( "BIT5 INTERRUPT \r\n");
-// irqRegister = 0x01; // RX active
-// rxErrorFlag = 0x02;
-// }
-// if ((*irq_status & BIT6) == BIT6) { printf( "BIT4/BIT 6 INTERRUPT \r\n"); // 4 Bit receive
-// buf[200] = FIFO; // Write the received bytes to the correct place in the buffer
-// trf797xReadContinuous(&buf[200], 1);
-// trf797xReset();
-// irqRegister = 0x02; // End of RX
-// rxErrorFlag = 0x02;
-// }
-// else
-// {
-// irqRegister = 0x02; // End of RX
-// }
-// }
-// else if ((*irq_status & BIT2) == BIT2) { printf( "BIT2 INTERRUPT \r\n"); // Byte framing error
-// if ((*irq_status & BIT5) == BIT5) {
-// irqRegister = 0x01; // RX active
-// rxErrorFlag = 0x02;
-// }
-// else
-// irqRegister = 0x02; // End of RX
-// }
-// else if ((*irq_status == BIT0)) {printf( "No response interrupt \r\n"); // No response interrupt
-// irqRegister = 0x00;
-// }
-// else { // Interrupt register not properly set
-// printf ("Interrupt Error\r\n");
-//
-// irqRegister = 0x02;
-// trf797xStopDecoders(); // Reset the FIFO after TX
-// trf797xReset();
-// trf797xResetIrqStatus();
-// // Original code clears the IRQ flag here.
-// }
-// // wait_ms(10);
-////debug2LED = LED_OFF;
-////=================================================================================
-//} // End of trf797xISR()
-//
-//
-////============================interrupt call back test
-//void trf797xIrqHandlerCallback(void)
-// { wait_ms(10);
-// debug1LED = LED_OFF;
-//
-// }
-////==============================SG
-//
-//
-//
-//
-//
-//void trf797xIrqHandler(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf7970IrqHandler()
-//// __interrupt void Trf797xPortB(void) in original source file trf797x.c
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{ //======================works $SG
-// debug1LED = LED_ON;
-// // uint8_t irqStatus[2], iso_control;
-// irqFlag = 0x02;
-// // trf797xIrqHandlerCallback();
-// //=====================================================================================
-// // do {
-////
-//// iso_control = ISO_CONTROL;
-//// trf797xReadSingle(&iso_control, 1);
-//// trf797xReadIrqStatus(irqStatus); //reads IRQ_STATUS register SG
-////
-//// if (*irqStatus == 0xA0) { // TX active and only 3 bytes left in FIFO
-//// break;
-//// }
-////
-//// if ((iso_control & BIT5) != BIT5) { // RFID mode
-////
-//// trf797xISR(irqStatus);}
-//
-// //==========================================================================
-// // }
-//// else { // NFC mode
-//// if ((iso_control & BIT2) == BIT2) {
-//// // Tag emulation
-//// tagFlag = 1;
-//// trf797xNfcModeIsr(irqStatus);
-////
-//// }
-//// else {
-//// if ((iso_control & BIT4) == BIT4) { // Active mode
-////
-//// trf797xNfcModeIsr(irqStatus);
-////
-//// }
-//// else { // Passive mode
-//// trf797xTargetIsr(irqStatus);
-////
-//// }
-//// }
-//// }
-// // } while(readerInt); // While IRQ pin is high ********** chnaged irq to readerInt
-//
-// // wait_ms(10);
-// debug1LED = LED_OFF;
-//
-//}
-//
-//
-//
-//
-//