Gymtrack
interrupt handling
Revision 13:16a5b43ac874, committed 2015-04-30
- Comitter:
- soumi_ghsoh
- Date:
- Thu Apr 30 23:30:55 2015 +0000
- Parent:
- 12:336524cf63de
- Commit message:
- 2015apr30
Changed in this revision
--- a/host.c Fri Apr 10 23:16:44 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,478 +0,0 @@
-////void trf797xInitialSettings(void)
-////// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-////// trf797xInitialSettings()
-////// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-////{
-//// uint8_t mod_control[2];
-////
-//// mod_control[0] = SOFT_INIT;
-//// trf797xDirectCommand(mod_control);
-////
-//// mod_control[0] = IDLE;
-//// trf797xDirectCommand(mod_control);
-////
-//// mod_control[0] = MODULATOR_CONTROL;
-//// mod_control[1] = 0x21; // 6.78 MHz, OOK 100%
-//// trf797xWriteSingle(mod_control, 2);
-////
-//// mod_control[0] = MODULATOR_CONTROL;
-//// trf797xReadSingle(mod_control, 1);
-////// printf("\r\nMOD: 0x%02X 0x%02X\r\n", mod_control[0], mod_control[1]);
-////
-//// /*
-//// mod_control[0] = CHIP_STATUS_CONTROL;
-//// mod_control[1] = 0x01;
-//// trf797xWriteSingle(mod_control, 2);
-////
-//// mod_control[0] = CHIP_STATUS_CONTROL;
-//// trf797xReadSingle(mod_control, 1);
-//// printf("CHIP: 0x%02X 0x%02X\r\n", mod_control[0], mod_control[1]);
-////
-//// mod_control[0] = ISO_CONTROL;
-//// mod_control[1] = 0x02;
-//// trf797xWriteSingle(mod_control, 2);
-////
-//// mod_control[0] = ISO_CONTROL;
-//// mod_control[1] = ISO_CONTROL;
-//// trf797xReadSingle(mod_control, 1);
-//// printf("ISO: 0x%02X 0x%02X\r\n", mod_control[0], mod_control[1]);
-////
-//// mod_control[0] = RX_SPECIAL_SETTINGS;
-//// mod_control[1] = 0x40;
-//// trf797xWriteSingle(mod_control, 2);
-////
-//// mod_control[0] = RX_SPECIAL_SETTINGS;
-//// mod_control[1] = RX_SPECIAL_SETTINGS;
-//// trf797xReadSingle(mod_control, 1);
-//// printf("RX: 0x%02X 0x%02X\r\n", mod_control[0], mod_control[1]);
-//// */
-//// /*
-//// command[0] = CHIP_STATUS_CONTROL;
-//// command[1] = CHIP_STATUS_CONTROL;
-//// command[1] = 0x01; // Set bit 0 => Vin = 5V
-//// trf797xWriteSingle(command, 2);
-////
-//// command[0] = CHIP_STATUS_CONTROL;
-//// command[1] = CHIP_STATUS_CONTROL;
-//// trf797xReadSingle(command, 1);
-//// printf("CHIP 0x%02X 0x%02X\r\n", command[0], command[1]);
-//// */
-////} // End of trf797xInitialSettings()
-//
-//
-//
-//void trf797xTxNextSlot(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xTxNextSlot()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// command[0] = TRANSMIT_NEXT_SLOT;
-// trf797xDirectCommand(command);
-//}
-//
-//void trf797xDisableSlotCounter(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xDisableSlotCounter()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// buf[40] = IRQ_MASK;
-// buf[41] = IRQ_MASK;
-// trf797xReadSingle(&buf[41], 1);
-// buf[41] &= 0xFE;
-// trf797xWriteSingle(&buf[40], 2);
-//}
-//
-//void trf797xReset(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xReset()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// command[0] = RESET;
-// trf797xDirectCommand(command);
-//}
-//
-//void trf797xTurnRfOn(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xTurnRfOn()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// command[0] = CHIP_STATUS_CONTROL;
-// command[1] = CHIP_STATUS_CONTROL;
-// trf797xReadSingle(&command[1], 1);
-// command[1] &= 0x3F;
-// command[1] |= 0x21; // Oroiginal code has 0x20 !!!
-//// printf("\r\nCHIP 0x%02X 0x%02X\r\n", command[0], command[1]);
-// trf797xWriteSingle(command, 2);
-//// printf("\r\nCHIP 0x%02X 0x%02X\r\n", command[0], command[1]);
-//} // End of trf797xTurnRfOn()
-//
-//void trf797xTurnRfOff(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xTurnRfOff()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// command[0] = CHIP_STATUS_CONTROL;
-// command[1] = CHIP_STATUS_CONTROL;
-// trf797xReadSingle(&command[1], 1);
-// command[1] &= 0x1F;
-// trf797xWriteSingle(command, 2);
-//} // End of trf797xTurnRfOff()
-//
-//void trf797xWriteIsoControl(uint8_t iso_control)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// trf797xWriteIsoControl()
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// uint8_t write[4];
-//
-// if ((iso_control & BIT5) == BIT5) {
-// printf("iso_control bit5 != 0\r\n");
-// return;
-// }
-//
-// write[0] = ISO_CONTROL;
-// write[1] = iso_control;
-// write[1] &= ~BIT5;
-// trf797xWriteSingle(write, 2);
-// iso_control &= 0x1F;
-//} // End of trf797xWriteIsoControl()
-//
-//void iso15693FindTag(void)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// iso15693FindTag()
-//// Description: Used to detect ISO15693 conforming tags.
-//// If an ISO15693 conforming tag is found ISO15693LED is turned ON.
-//// 1) Turn RF ON
-//// 2) Perform a complete anticollision sequence
-//// 3) Turn RF OFF
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{ // testPin=1;
-// trf797xTurnRfOn();
-// // testPin=0;
-// //=======================================================diable interrupt from trf797x
-// // readerInt.disable_irq(); // comment: has no effect in detectecting interrupt from trf797x, works without disabling too $SG
-// //=======================================================diable interrupt from trf797x $SG
-// // testPin=1;
-// trf797xWriteIsoControl(0x02);
-// // testPin=0;
-// wait_ms(6); // The VCD should wait at least 1 ms after it activated the
-// // powering field before sending the first request, to
-// // ensure that the VICCs are ready to receive it. (ISO15693-3)
-// /*
-// // Field Level Test:
-// buffer[0] = RUN_DECODERS; // Enable receiver
-// trf797xDirectCommand(buffer);
-// buffer[0] = CHIP_STATUS_CONTROL;
-// buffer[1] = 0x23;
-// trf797xWriteSingle(buffer, 2);
-// wait_ms(1);
-// buffer[0] = CHECK_INTERNAL_RF;
-// trf797xDirectCommand(buffer);
-// buffer[0] = RSSI_LEVELS;
-// trf797xReadSingle(buffer, 1);
-// printf("RSSI: 0x%X\r\n", buffer[0]);
-// // Result: RSSI = 0x5C (Range is 0x40 to 0x7F)
-// */
-//
-// flags = SIXTEEN_SLOTS; // SIXTEEN_SLOTS = 0x06
-//// flags = ONE_SLOT; // ONE_SLOT = 0x26
-// buf[20] = 0x00;
-// // debug2LED = LED_ON;
-//
-// iso15693Anticollision(&buf[20],0x00); // Send Inventory request
-//
-// trf797xTurnRfOff();
-// trf797xResetIrqStatus();
-// // Clear any IRQs
-//} // End of iso15693FindTag()
-//
-//void iso15693Anticollision(uint8_t *mask, uint8_t length)
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//// iso15693Anticollision()
-//// Description: Used to perform an inventory cycle of 1 or 16 timeslots.
-//// Send command, receive response and send response to host.
-//// Parameters: *mask = mask value
-//// length = number of significant bits of mask value
-//// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-//{
-// uint8_t i = 1, j = 1, command[2], no_slots, found = 0;
-// uint8_t *p_slot_no, slot_no[17];
-// uint8_t new_mask[8], new_length, mask_size;
-// uint32_t size;
-// uint8_t fifo_length = 0;
-// uint16_t k = 0;
-//// uint8_t irqStatus[2], iso_control;
-//
-// slot_no[0] = 0x00;
-// if ((flags & BIT5) == 0x00) { // flags<5> is the number of slots testPin
-// no_slots = 16; // 16 slots if flags<5> is cleared
-// }
-// else {
-// no_slots = 1; // 1 slot if flags<5> is set
-// }
-//
-// p_slot_no = &slot_no[0]; // slot number pointer
-// mask_size = (((length >> 2) + 1) >> 1); // mask_size is 1 for length = 4 or 8
-// buf[0] = 0x8F; // RESET
-// buf[1] = 0x91; // send with CRC
-// buf[2] = 0x3D; // write continuous from 1D
-// buf[5] = flags; // ISO15693 flags
-// buf[6] = 0x01; // anticollision command code
-//
-// if (flags & 0x10) { // mask_size is 2 for length = 12 or 16 and so on
-// size = mask_size + 4; // mask value + mask length + afi + command code + flags
-// buf[7] = afi;
-// buf[8] = length; // mask length
-// if (length > 0) {
-// for(i = 0; i < mask_size; i++) {
-// buf[9 + i] = *(mask + i);
-// }
-// }
-// fifo_length = 9;
-// }
-// else { // mask_size is 2 for length = 12 or 16 and so on
-// size = mask_size + 3; // mask value + mask length + command code + flags
-// buf[7] = length; // mask length
-// if(length > 0) {
-// for(i = 0; i < mask_size; i++) {
-// buf[8 + i] = *(mask + i);
-// }
-// }
-// fifo_length = 8;
-// }
-//
-// buf[3] = (char) (size >> 8);
-// buf[4] = (char) (size << 4);
-//
-//
-//
-// trf797xResetIrqStatus();
-//
-// // ***** Original code sets up a 30 ms counter here *****
-// // ***** Original code enables IRQ here *****
-// // ***** nRF51422 clear IRQ register *****
-// readerInt.enable_irq();
-//
-// trf797xRawWrite(&buf[0], mask_size + fifo_length); // Write to FIFO
-//
-// //===================================================runs till here !$SG
-// irqRegister = 0x01;
-// irqFlag = 0x00;
-//
-//
-//
-// //
-// for (j = 1; j <= no_slots; j++) { // 1 or 16 available timeslots
-// rxtxState = 1;
-// // ***** Original code sets up a 20 ms counter and starts it here *****
-// //irqFlag = 0x00;
-// // while(1)
-// while(irqFlag == 0x00)
-// { ;
-// }
-//
-// // ISO15693LED = LED_ON;
-// // wait_ms(1000);
-// // ISO15693LED = LED_OFF;
-// irqRegister = 0x01;
-// // Wait for interrupt
-// // ***** Original code stops the counter here *****
-// //
-// while(irqRegister == 0x01) { // Wait for RX complete
-// k++;
-// if (k == 0xFFF0) { //printf("k == 0xFFF0 _MAIN \r\n");
-// irqRegister = 0x00;
-// rxErrorFlag = 0x00;
-// }
-// }
-//
-//
-//
-//
-////wait_us(1000);
-//
-// command[0] = RSSI_LEVELS; // Read RSSI levels
-// trf797xReadSingle(command, 1);
-//
-// switch (irqRegister) {
-// case 0xFF: // If received UID in buffer //0xff changed to 0x01 $SG
-// found = 1;
-// printf("\r\nISO15693: [ ");
-// for (i=3; i < 11; i++) {
-// printf("%c", buf[i]);
-// }
-// printf(", %d ]\r\n", command[0]);
-// break;
-//
-// case 0x02: printf("collision occured _MAIN \r\n"); // Collision occurred
-// p_slot_no++; // Remember a collision was detected
-// *p_slot_no = j;
-// break;
-//
-// case 0x00: // printf("Timer interrupt \r\n"); // Timer interrupt
-// // ***** Original code does nothing! *****
-// break;
-//
-// default:
-// // ***** Original code does nothing *****
-// break;
-// } // switch (irqRegister)
-//
-// command[0] = RESET; // FIFO must be reset before receiving the next response
-// trf797xDirectCommand(command);
-//
-// if ((no_slots == 16) && (j < 16)) { // If 16 slots used then send EOF (next slot)
-// trf797xStopDecoders();
-// trf797xRunDecoders();
-// command[0] = RESET; // new
-// trf797xDirectCommand(command); // new
-// trf797xTxNextSlot(); // RESET must precede txNextSlot, see "TRF7970A FW Design Hints SLOA159.
-// }
-// else if ((no_slots == 16) && (j == 16)) { // At end of slot 16, stop the slot counter
-// trf797xStopDecoders();
-// trf797xDisableSlotCounter();
-// }
-// else if (no_slots == 1) { // 1 slot is used
-// break;
-// }
-// } // for (j = 1; j <= no_slots; j++)
-// //================================================
-// //===================================================
-// if (found == 1) {
-// ISO15693LED = LED_ON;
-// }
-// else {printf("tag not read \r\n");
-// ISO15693LED = LED_OFF;
-// }
-////
-// new_length = length + 4; // The mask length is a multiple of 4 bits
-// mask_size = (((new_length >> 2) + 1) >> 1);
-// while ((*p_slot_no != 0x00) && (no_slots == 16) && (new_length < 61) && (slot_no[16] != 16)) {
-// *p_slot_no = *p_slot_no - 1;
-//
-// for(i = 0; i < 8; i++)
-// {
-// new_mask[i] = *(mask + i); // First the whole mask is copied
-// }
-//
-// if((new_length & BIT2) == 0x00)
-// {
-// *p_slot_no = *p_slot_no << 4;
-// }
-// else
-// {
-// for(i = 7; i > 0; i--)
-// {
-// new_mask[i] = new_mask[i - 1];
-// }
-// new_mask[0] &= 0x00;
-// }
-// new_mask[0] |= *p_slot_no; // The mask is changed
-// wait_ms(2);
-//
-//
-// printf("Idx: 0x%02X Buf: 0x%02X, ", bufIdx, debugBuffer[bufIdx-1]);
-//
-// iso15693Anticollision(&new_mask[0], new_length); // Recursive call with new Mask
-//
-// p_slot_no--;
-//
-// }
-// //==================================================
-// // ***** Original code disables IRQ here *****
-// //readerInt.disable_irq();
-// //debug2LED = LED_OFF;
-//} // End of iso15693Anticollision()
-///*
-// Header file for main.cpp
-//*/
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- //// Setup LEDs
-// heartbeatLED = LED_OFF;
-// ISO15693LED = LED_OFF;
-// debug1LED = LED_OFF;
-// debug2LED = LED_OFF;
-
- //for (uint8_t i=0; i<4; i++) {
-// heartbeatLED = LED_ON;
-// ISO15693LED = LED_ON;
-// debug1LED = LED_ON;
-// wait_ms(100);
-// heartbeatLED = LED_OFF;
-// ISO15693LED = LED_OFF;
-// debug1LED = LED_OFF;
-// wait_ms(100);
-// }
-//
-// Ticker heartbeat;
-// heartbeat.attach(blinkHeartbeatLED, 1);
-// printf("LEDs, ");
- //===============================================================
- // Setup the SPI interface
- // spi.format(8, 1); // 8 bit data, mode = 1 (transition on rising edge, sample on falling edge)
-// spi.frequency(1000000); // SCLK = 1 MHz
-//// printf("SPI, ");
-//
-// // Set On-Off Keying modulation
-// ook_ask.output();
-// ook_ask = 1;
-//// printf("OOK, ");
-//
-// // Apply initial settings to the TRF7970
-// testPin=1;
-// trf797xInitialSettings();
-//// printf("Initialized, ");
-// testPin=0;
-// // Tri-state OOK pin
-// ook_ask.input();
-// ook_ask.mode(PullUp);
-//
-// readerMode = 0x00;
- //=============================================================
- /*
- // Test: Write 0xAA to MODULATOR_CONTROL, then verify by reading MODULATOR_CONTROL.
-// printf("\r\n");
- buffer[0] = MODULATOR_CONTROL;
- buffer[1] = 0xAA;
-// printf("BEFORE WR: buffer[0]: %X buffer[1]: %X\r\n", buffer[0], buffer[1]);
- spiWriteSingle(buffer, 2);
-// printf("AFTER WR: buffer[0]: %X buffer[1]: %X\r\n", buffer[0], buffer[1]);
- spiReadSingle(buffer, 1);
-// printf("AFTER RD: buffer[0]: %X buffer[1]: %X\r\n", buffer[0], buffer[1]);
-// printf("\r\n");
- */
-
- // printf("\r\nFinished Init\r\n");
-
- // Setup interrupt from TRF7970
- // testPin=1;
- //========================
- // trf797xSetupIrq();
- //======================
- // testPin=0;
-// printf("IRQ setup, ");
-
-// printf("finished init.\r\n\r\n");
-
- // while(1) { // changed TRUE to 1 $SG
-// iso15693FindTag();
-// }
-//
-//} // End of main()
--- a/host.h Fri Apr 10 23:16:44 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,43 +0,0 @@ -//void trf797xStopDecoders(void); -//void trf797xRunDecoders(void); -//void trf797xTxNextSlot(void); -//void trf797xtDisableSlotCounter(void); -//void trf797xReset(void); -//void trf797xTurnRfOn(void); -//void trf797xTurnRfOff(void); -//void trf797xWriteIsoControl(uint8_t iso_control); -//void iso15693FindTag(void); -//void iso15693Anticollision(uint8_t *mask, uint8_t length); -//void trf797xInitialSettings(void); -//uint8_t irqRegister = 0x01; // Interrupt register -//volatile uint8_t irqFlag = 0x00; -//uint8_t rxErrorFlag = 0x00; -//uint8_t readerMode; // Determines how interrupts will be handled -//int16_t nfc_state; -//uint8_t nfc_protocol; -//uint8_t active; -//uint8_t tagFlag; -//uint8_t irqCount = 0; - -//uint8_t debugBuffer[1000]; // Capture data for analysis -//uint8_t bufIdx=0; -//extern uint8_t turnRFOn[2]; -// -//extern uint8_t testcommand[2]; -// -//uint8_t buffer[2]; -//int8_t rxtxState = 1; // Transmit/Receive byte count -//uint8_t afi = 0; -//uint8_t flags = 0; // Stores the mask value (used in anticollision) -//uint8_t command[2]; -//uint8_t temp; -//extern uint8_t irqRegister; // Interrupt register (main.cpp) -//volatile extern uint8_t irqFlag; // main.cpp -//extern uint8_t rxErrorFlag; // main.cpp -//extern uint8_t readerMode; // Determines how interrupts will be handled (main.cpp) -//extern int8_t rxtxState; // Transmit/Receive byte count (main.cpp) -//extern uint8_t buffer[2]; -//extern uint8_t tagFlag; -//extern DigitalIn irqPin; -//extern uint8_t debugBuffer[1000]; // Capture data for analysis -//extern uint8_t bufIdx; \ No newline at end of file
--- 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;
-//
-//}
-//
-//
-//
-//
-//
--- a/interruptStuff.h Fri Apr 10 23:16:44 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,34 +0,0 @@ -/* - Header file for interruptHandler.cpp -*/ - -// Prototypes -void trf797xSetupIrq(void); -void trf797xReadIrqStatus(uint8_t *buffer); -void trf797xResetIrqStatus(void); -void trf797xNfcModeIsr(uint8_t *Register); -void trf797xTargetIsr(uint8_t *Register); -void trf797xISR(uint8_t *irq_status); -void trf797xIrqHandler(void); - -// NFC and tag emulation settings -#define NFC106AC 0x29 -#define NFC212AC 0x2A -#define NFC424AC 0x2B -#define NFC106PA 0x21 -#define NFC212PA 0x22 -#define NFC424PA 0x23 - -#define TAG14443A 0x24 -#define TAG14443B 0x25 -#define TAG15693 0x26 -#define TAGFelica 0x27 - -#define TAG106 0x00 -#define TAG212 0x21 -#define TAG424 0x42 -#define TAG848 0x63 - -#define FIFO_LEN 32 -#define FIFO_MORE 26 -
--- a/main.cpp Fri Apr 10 23:16:44 2015 +0000
+++ b/main.cpp Thu Apr 30 23:30:55 2015 +0000
@@ -1,18 +1,18 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Filename: main.cpp
- Description: Interface nRF51-DK eval board to TRF7970 eval board
- to test the suitability of the TRF7970 NFC chip
+ Description: Interface nRF51-DK eval board to TRF7970 eval board
+ to test the suitability of the TRF7970 NFC chip
for use in Gymtrack products.
The nRF51-DK board has an nRF51422 MCU.
Copyright (C) 2015 Gymtrack, Inc.
Author: Ron Clough
Date: 2015-02-26
-
+
Changes:
Rev Date Who Details
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0.0 2015-02-26 RWC Original version.
-
+
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "mbed.h"
@@ -22,73 +22,137 @@
#include "BLEDevice.h"
#include "HeartRateService.h"
#include "DeviceInformationService.h"
-SPI spi(p25, p28, p29); // MOSI, MISO, SCLK
- // Slave Select (SS)
-Serial pc(USBTX, USBRX); // Serial communication over USB with PC
-DigitalOut heartbeatLED(LED4); // "Heartbeat" LED
-DigitalOut debug2LED(LED2); // "Debug2" LED
-DigitalOut ISO15693LED(LED3); // "Detected ISO15693 tag" LED
-DigitalOut debug1LED(LED1); // "Debug1" LED
+#include "GT_Timer.h"
+#include "CompareTime.h"
+SPI spi(p7, p8, p3); // MOSI, MISO, SCLK
+// Slave Select (SS)
+#define BLED_PIN p17
+#define RLED_PIN p19
+#define GLED_PIN p18
+DigitalOut BLED(BLED_PIN);
+DigitalOut RLED(RLED_PIN);
+DigitalOut GLED(GLED_PIN);
+
+Serial pc(p24, p25); // Serial communication over USB with PC
+//DigitalOut heartbeatLED(LED4); // "Heartbeat" LED
+//DigitalOut debug2LED(LED2); // "Debug2" LED
+//DigitalOut ISO15693LED(LED3); // "Detected ISO15693 tag" LED
+//DigitalOut debug1LED(LED1); // "Debug1" LED
extern DigitalOut EN; // Control EN pin on TRF7970
extern DigitalOut EN2; // Control EN2 pin on TRF7970
-extern DigitalOut CS;
-
+extern DigitalOut CS;
+extern DigitalOut AO_7970;
+extern DigitalOut MOD_7970;
//DigitalInOut ook_ask(p6); // Control ASK/OOK pin on TRF7970
//DigitalOut mod(p5); // Control MOD pin on TRF7970
-InterruptIn readerInt(p7);
-DigitalOut testPin(p1);
+InterruptIn readerInt(p28);
+//DigitalOut testPin(p1);
BLEDevice ble;
extern uint8_t buf[300];
uint8_t noBytes=0;
-extern uint8_t turnRFOn[2];
-extern uint8_t testcommand[2];
+extern uint8_t turnRFOn[2];
+extern uint8_t testcommand[2];
extern uint8_t found;
-
+extern int nfc;
bool tagFound=0;
//uint8_t WAIT=0;
-
+int next_reading_tag=0;
int main()
-{testPin=0;
-pc.baud(115200);
+{
+ //testPin=0;
+ pc.baud(115200);
+ AO_7970= 0;
+ MOD_7970=0;
//=============================================================ble test
- ble.init();
-// ble.onDisconnection(disconnectionCallback);
- //
-// /* Setup advertising. */
- ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
-// // ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
- ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
-// // ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
- ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
- ble.setAdvertisingInterval(1000);
- ble.startAdvertising();
+// ble.init();
+//// ble.onDisconnection(disconnectionCallback);
+// //
+//// /* Setup advertising. */
+// ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+//// // ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
+// ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
+//// // ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
+// ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+// ble.setAdvertisingInterval(1000);
+// ble.startAdvertising();
//===============================================================*/
-readerInt.rise(&handlerNFC);
-CS=1;
-SpiInit(); //spi=1Mhz
-PowerUpNFC();
-NFCInit();
-RegisterReInitNFC();
-RegistersReadNFC();
-PowerDownNFC(); //SleepNFC() //StandByNFC()
+ readerInt.rise(&handlerNFC);
+ CS=1;
+ SpiInit(); //spi=1Mhz
+ PowerUpNFC();
+ NFCInit();
+ RegisterReInitNFC();
+ RegistersReadNFC();
+//PowerDownNFC(); //SleepNFC() //StandByNFC()
//SleepNFC();
+ BLED=0;
+ /** Print the text
+ *
+ * @groups PollNFC
+ *
+ * 1 on success,
+ * 0 on serial error
+ */
+
+ while(1) {
+ // PowerUpNFC();
+ // NFCInit();
+// RegisterReInitNFC();
+
+
+ while(tagFound==0) {
+ // printf("tag nt found \r\n");
+ //BLED=1;
+//testcommand[0] = 0x17;
+//trf797xDirectCommand(testcommand);
+//testcommand[0] = 0x18;
+//trf797xDirectCommand(testcommand);
+//wait_ms(5);
+//testcommand[0] = RSSI_LEVELS; //Read RSSI levels and oscillator status(0x0F/0x4F)
+//trf797xReadSingle(testcommand, 1);
+//printf("RSSI:%X \r\n", testcommand[0]);
+//tagFound=PollNFC();
-while(1)
-{
-tagFound=PollNFC();
+ tagFound=PollNFC();
+ // RegisterReInitNFC();
+//wait_ms(5);
+ //int tag= CompareTime( gt_read_ms(),next_reading_tag,50);
+//
+// if (tag<0) {
+// ;
+// } else {
+// RLED=1;
+// wait_ms(5);
+// RLED=0;
+// next_reading_tag = gt_read_ms();
+ // printf("time out : no tag \r\n");
+// break;
+//
+// }
+ }
+//
+ if(tagFound==1) {nfc=0;
+ //printf("read single block:");
+ BLED=1;
+ for(uint8_t i=0; i<noBytes; i++)
+ printf("%X ", buf[i]);
+ printf("\r\n");
+ printf("tag found \r\n");
+ BLED=0;
+ tagFound=0;
+//////
+//////// //break;
+ } //else {
+// printf("tag nt found \r\n");
+// }
+//////
-if(tagFound==1)
-{//printf("read single block:");
- for(uint8_t i=0; i<noBytes; i++)
- printf("%X ", buf[i]);
- printf("\r\n");
- printf("tag found \r\n");
- break;
- }
- else wait(1);
-}
-
+
+ PowerDownNFC();
+ // wait(2);
+ }
+
}
--- a/nRF51822.lib Fri Apr 10 23:16:44 2015 +0000 +++ b/nRF51822.lib Thu Apr 30 23:30:55 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/users/soumi_ghsoh/code/nRF51822/#030804500597 +http://developer.mbed.org/users/soumi_ghsoh/code/nRF51822/#3ae49ec9e716
--- a/readerComm.cpp Fri Apr 10 23:16:44 2015 +0000
+++ b/readerComm.cpp Thu Apr 30 23:30:55 2015 +0000
@@ -6,12 +6,12 @@
Copyright (C) 2015 Gymtrack, Inc.
Author: Ron Clough
Date: 2015-02-27
-
+
Changes:
Rev Date Who Details
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0.0 2015-02-27 RWC Original version.
-
+
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*==========================================================================
Initialize the chipset ISO15693 and read UID:
@@ -20,16 +20,16 @@
2) Write Modulator and SYS_CLK Control Register (0x09) (13.56Mhz SYS_CLK and default Clock 13.56Mhz))
[0x09 0x31]
3) Configure Mode ISO Control Register (0x01) to 0x02 (ISO15693 high bit rate, one subcarrier, 1 out of 4)
-[0x01 0x02]
+[0x01 0x02]
4) Turn RF ON (Chip Status Control Register (0x00))
[0x40 r] [0x00 0x20] [0x40 r]
5) Inventory Command (see Figure 5-20. Inventory Command Sent From MCU to TRF7970A)
-5-1) Send Inventory(8B), Wait 2ms, Read/Clear IRQ Status(0x0C=>0x6C)+dummy read,
-Read FIFO Status Register(0x1C/0x5C), Read Continuous FIFO from 0x1F to 0x1F+0x0A(0x1F/0x7F),
-Read/Clear IRQ Status(0x0C=>0x6C)+dummy read, Read FIFO Status Register(0x1C/0x5C),
+5-1) Send Inventory(8B), Wait 2ms, Read/Clear IRQ Status(0x0C=>0x6C)+dummy read,
+Read FIFO Status Register(0x1C/0x5C), Read Continuous FIFO from 0x1F to 0x1F+0x0A(0x1F/0x7F),
+Read/Clear IRQ Status(0x0C=>0x6C)+dummy read, Read FIFO Status Register(0x1C/0x5C),
Reset FIFO(0x0F/0x8F), Read RSSI levels and oscillator status(0x0F/0x4F)
[0x8F 0x91 0x3D 0x00 0x30 0x26 0x01 0x00] %:2 [0x6C r:2] [0x5C r] [0x7F r:10] %:10 [0x6C r:2] [0x5C r] [0x8F] [0x4F r]
-==============================================================================*/
+==============================================================================*/
@@ -39,23 +39,29 @@
#include "mbed.h"
#include "readerComm.h"
uint8_t sg=0;
-DigitalOut EN(p4); // Control EN pin on TRF7970
-DigitalOut EN2(p3); // Control EN2 pin on TRF7970
-DigitalOut CS(p19);
-uint8_t turnRFOn[2];
+DigitalOut EN(p0); // Control EN pin on TRF7970
+DigitalOut EN2(p4); // Control EN2 pin on TRF7970
+DigitalOut CS(p9);
+uint8_t turnRFOn[2];
uint8_t testcommand[2];
extern uint8_t noBytes;
extern SPI spi; // main.cpp
extern Serial pc; // main.cpp
uint8_t buf[300]; // main.cpp
uint8_t found=0;
+uint8_t rssi_flag=0;
+uint8_t rssi=0;
+extern DigitalOut BLED;
+DigitalOut AO_7970(p29);
+DigitalOut MOD_7970(p30);
+int nfc=0;
//extern bool tagFound=0;
-
-extern DigitalOut debug1LED;
-extern DigitalOut debug2LED;
-extern DigitalOut ISO15693LED;
-extern DigitalOut heartbeatLED;
-extern DigitalOut testPin;
+
+//extern DigitalOut debug1LED;
+//extern DigitalOut debug2LED;
+//extern DigitalOut ISO15693LED;
+//extern DigitalOut heartbeatLED;
+//extern DigitalOut testPin;
uint8_t temp;
uint8_t command[2];
@@ -84,7 +90,7 @@
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
{
uint8_t i=0;
-
+
CS = SELECT;
while(length > 0) {
*buffer = (0x1F & *buffer); // Register address
@@ -95,13 +101,13 @@
}
}
CS = DESELECT;
-
+
} // End of trf797xWriteSingle()
void trf797xReadSingle(uint8_t *buffer, uint8_t number)
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// trf797xReadSingle()
-// Description: Reads specified reader chip registers and
+// Description: Reads specified reader chip registers and
// writes register contents to *buffer.
// Parameters: *buffer = addresses of the registers.
// number = number of registers.
@@ -130,7 +136,8 @@
// Parameters: *buffer = address of first register.
// length = number of registers to read.
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-{ //==================tested wrk $sg
+{
+ //==================tested wrk $sg
CS = SELECT;
*buffer = (0x60 | *buffer); // Address, read, continuous
*buffer = (0x7F & *buffer); // Register address
@@ -142,7 +149,7 @@
}
// spi.write(0x00); spi.write(0x00); // 16 clock cycles, see TRF7970A FW Design Hints SLOA159 section 7.3
CS = DESELECT;
-
+
//=====================tested it wrks $sg
} // End of trf797xReadContinuous()
@@ -183,12 +190,15 @@
void PowerUpNFC2(void)
-{//CS = 1;
+{
+ //CS = 1;
// wait_ms(4);
// EN = 1;
// EN2=1;
- CS = 0; EN2 = 0; EN = 0;
+ CS = 0;
+ EN2 = 0;
+ EN = 0;
wait_ms(2);
CS = 1;
wait_ms(3);
@@ -197,313 +207,374 @@
EN = 1;
}
void PowerUpNFC(void)
-{ //CS = 1;
+{
+ //CS = 1;
// wait_ms(4);
// EN = 1;
-EN2 = 1;
-wait_ms(1);
-EN=1;
+ EN2 = 1;
+ wait_ms(1);
+ EN=1;
}
void PowerDownNFC(void)
-{///CS=1;
- EN=0;
- EN2=0;
+{
+ ///CS=1;
+ EN=0;
+ EN2=0;
//wait_ms(1);
- //EN2= 0; PowerDown Mode
- //EN2=1; SleepMode
- //CS=0;
+//EN2= 0; PowerDown Mode
+//EN2=1; SleepMode
+//CS=0;
}
void SleepNFC(void)
-{ EN=0;
- EN2=0;
- }
+{
+ EN=0;
+ EN2=0;
+}
void StandByNFC(void)
{
turnRFOn[0] = CHIP_STATUS_CONTROL;
-turnRFOn[1] = CHIP_STATUS_CONTROL;
+ turnRFOn[1] = CHIP_STATUS_CONTROL;
-turnRFOn[1] &= 0x3F;
-turnRFOn[1] |= 0x80;
-trf797xWriteSingle(turnRFOn, 2);
+ turnRFOn[1] &= 0x3F;
+ turnRFOn[1] |= 0x80;
+ trf797xWriteSingle(turnRFOn, 2);
}
void SpiInit1(void)
{
-spi.format(8, 1); // 8 bit data, mode = 1 (transition on rising edge, sample on falling edge)
-spi.frequency(250000);
+ spi.format(8, 1); // 8 bit data, mode = 1 (transition on rising edge, sample on falling edge)
+ spi.frequency(250000);
}
void SpiInit(void)
{
-spi.format(8, 1); // 8 bit data, mode = 1 (transition on rising edge, sample on falling edge)
-spi.frequency(1000000);
+ spi.format(8, 1); // 8 bit data, mode = 1 (transition on rising edge, sample on falling edge)
+ spi.frequency(1000000);
}
void NFCInit(void)
-{testPin=1;
+{
+ //testPin=1;
//wait_ms(2);
-testcommand[0] = SOFT_INIT;
-trf797xDirectCommand(testcommand);
-wait_ms(2);
-testcommand[0] = IDLE;
-trf797xDirectCommand(testcommand);
-wait_ms(2);
-testcommand[0] = MODULATOR_CONTROL;
-testcommand[1] = 0x21; // 6.78 MHz, OOK 100%
-trf797xWriteSingle(testcommand, 2);
+
+ testcommand[0] = SOFT_INIT;
+ trf797xDirectCommand(testcommand);
+ wait_ms(2);
+ testcommand[0] = IDLE;
+ trf797xDirectCommand(testcommand);
+ wait_ms(2);
+//testcommand[0] =NFC_TARGET_LEVEL ;
+//testcommand[1] = 0x00;
+//trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = MODULATOR_CONTROL;
+ testcommand[1] = 0x81; // 6.78 MHz, OOK 100%
+ trf797xWriteSingle(testcommand, 2);
//wait_ms(2);
-testcommand[0] = MODULATOR_CONTROL;
-trf797xReadSingle(testcommand, 1);
-turnRFOn[0] = CHIP_STATUS_CONTROL;
-turnRFOn[1] = CHIP_STATUS_CONTROL;
-turnRFOn[1] &= 0x3F;
-turnRFOn[1] |= 0x20;
+ testcommand[0] = MODULATOR_CONTROL;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = REGULATOR_CONTROL ;
+ testcommand[1] = 0x07;
+ trf797xWriteSingle(testcommand, 2);
+ turnRFOn[0] = CHIP_STATUS_CONTROL;
+ turnRFOn[1] = CHIP_STATUS_CONTROL;
+ turnRFOn[1] &= 0x3F;
+ turnRFOn[1] |= 0x00;
// Oroiginal code has 0x20 !!!
-trf797xReadSingle(turnRFOn, 1);
-turnRFOn[0] = CHIP_STATUS_CONTROL;
-turnRFOn[1] = CHIP_STATUS_CONTROL;
-turnRFOn[1] &= 0x3F;
-turnRFOn[1] |= 0x20;
-trf797xWriteSingle(turnRFOn, 2);
+ trf797xReadSingle(turnRFOn, 1);
+ turnRFOn[0] = CHIP_STATUS_CONTROL;
+ turnRFOn[1] = CHIP_STATUS_CONTROL;
+ turnRFOn[1] &= 0x3F;
+ turnRFOn[1] |= 0x00;
+ trf797xWriteSingle(turnRFOn, 2);
//wait_ms(2);
-
-testcommand[0] = ISO_CONTROL;
-testcommand[1] = 0x02; // 6.78 MHz, OOK 100%
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = IRQ_MASK;
-testcommand[1] = 0x3F;
-trf797xWriteSingle(testcommand, 2);
-//wait_ms(6);
-testPin=0;}
+
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = ISO_CONTROL;
+ testcommand[1] = 0x02; // 6.78 MHz, OOK 100%
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = IRQ_MASK;
+ testcommand[1] = 0x3F;
+ trf797xWriteSingle(testcommand, 2);
+//wait_ms(6);
+//testPin=0;
+}
void RegisterReInitNFC(void)
-{testcommand[0] = TX_TIMER_EPC_HIGH;
-testcommand[1] = 0xC1;
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = TX_TIMER_EPC_LOW ;
-testcommand[1] = 0xC1;
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = TX_PULSE_LENGTH_CONTROL ;
-testcommand[1] = 0x00;
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ;
-testcommand[1] = 0x30;
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = RX_WAIT_TIME ;
-testcommand[1] = 0x1F;
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = MODULATOR_CONTROL ;
-testcommand[1] = 0x21; //0x34 100%ook@13MHz
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = RX_SPECIAL_SETTINGS ;
-testcommand[1] = 0x40;
-trf797xWriteSingle(testcommand, 2);
-testcommand[0] = REGULATOR_CONTROL ;
-testcommand[1] = 0x87;
-trf797xWriteSingle(testcommand, 2);
+{
+ //testcommand[0] =NFC_TARGET_LEVEL ;
+//testcommand[1] = 0x00;
+//trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = TX_TIMER_EPC_HIGH;
+ testcommand[1] = 0xC1;
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = TX_TIMER_EPC_LOW ;
+ testcommand[1] = 0xC1;
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = TX_PULSE_LENGTH_CONTROL ;
+ testcommand[1] = 0x00;
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ;
+ testcommand[1] = 0x30;
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = RX_WAIT_TIME ;
+ testcommand[1] = 0x1F;
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = MODULATOR_CONTROL ;
+ testcommand[1] = 0x81; //0x34 100%ook@13MHz
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = RX_SPECIAL_SETTINGS ;
+ testcommand[1] = 0x40;
+ trf797xWriteSingle(testcommand, 2);
+ testcommand[0] = REGULATOR_CONTROL ;
+ testcommand[1] = 0x07;
+ trf797xWriteSingle(testcommand, 2);
}
void RegistersReadNFC(void)
-{turnRFOn[0] = CHIP_STATUS_CONTROL;
-trf797xReadSingle(turnRFOn, 1);
-testcommand[0] = ISO_CONTROL;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = TX_TIMER_EPC_HIGH; //0xC1;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = TX_TIMER_EPC_LOW ; //0xC1;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = TX_PULSE_LENGTH_CONTROL ; //0x00;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ; //0x30;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = RX_WAIT_TIME ; //0x1F;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = MODULATOR_CONTROL ; //0x21;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = RX_SPECIAL_SETTINGS ; //0x40;
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = REGULATOR_CONTROL ; //0x87;
-trf797xReadSingle(testcommand, 1);
+{
+ turnRFOn[0] = CHIP_STATUS_CONTROL;
+ trf797xReadSingle(turnRFOn, 1);
+ testcommand[0] = ISO_CONTROL;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = TX_TIMER_EPC_HIGH; //0xC1;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = TX_TIMER_EPC_LOW ; //0xC1;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = TX_PULSE_LENGTH_CONTROL ; //0x00;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ; //0x30;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = RX_WAIT_TIME ; //0x1F;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = MODULATOR_CONTROL ; //0x21;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = RX_SPECIAL_SETTINGS ; //0x40;
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = REGULATOR_CONTROL ; //0x87;
+ trf797xReadSingle(testcommand, 1);
}
void InventoryReqNFC(void)
{
//send inventory command==================================================
-buf[0]=0x8F; //Send Inventory(8B)[0x8F 0x91 0x3D 0x00 0x30 0x26 0x01 0x00]
-buf[1]=0x91;
-buf[2]=0x3D;
-buf[3]=0x00;
-buf[4]=0x30;
-buf[5]=0x26;
-buf[6]=0x01;
-buf[7]=0x00;
-trf797xRawWrite(&buf[0],8);
-//wait_ms(2);
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-wait_ms(5);
-/*====================================read tag ID
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-testcommand[0] = FIFO_COUNTER; //Read FIFO Status Register(0x1C/0x5C)
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = 0x7F & testcommand[0]; // Determine the number of bytes left in FIFO
-buf[0] = FIFO;
-trf797xReadContinuous(&buf[0], testcommand[0]);
-testcommand[0] = RSSI_LEVELS; //Read RSSI levels and oscillator status(0x0F/0x4F)
-trf797xReadSingle(testcommand, 1);
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
-trf797xDirectCommand(testcommand);
-trf797xStopDecoders();
-trf797xRunDecoders(); */
+ buf[0]=0x8F; //Send Inventory(8B)[0x8F 0x91 0x3D 0x00 0x30 0x26 0x01 0x00]
+ buf[1]=0x91;
+ buf[2]=0x3D;
+ buf[3]=0x00;
+ buf[4]=0x30;
+ buf[5]=0x26;
+ buf[6]=0x01;
+ buf[7]=0x00;
+ trf797xRawWrite(&buf[0],8);
+//read rssi register and interchange rx input to main and aux receiver blocks
+//{add code block here
+// }
+ wait_ms(2);
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ wait_ms(5);
+//testcommand[0] = CHECK_EXTERNAL_RF;
+//trf797xDirectCommand(testcommand);
+//wait_ms(1);
+ testcommand[0] = RSSI_LEVELS; //Read RSSI levels and oscillator status(0x0F/0x4F)
+ trf797xReadSingle(testcommand, 1);
+ printf("RSSI:%X \r\n", testcommand[0]);
+ /*====================================read tag ID
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ testcommand[0] = FIFO_COUNTER; //Read FIFO Status Register(0x1C/0x5C)
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = 0x7F & testcommand[0]; // Determine the number of bytes left in FIFO
+ buf[0] = FIFO;
+ trf797xReadContinuous(&buf[0], testcommand[0]);
+ testcommand[0] = RSSI_LEVELS; //Read RSSI levels and oscillator status(0x0F/0x4F)
+ trf797xReadSingle(testcommand, 1);
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+ trf797xDirectCommand(testcommand);
+ trf797xStopDecoders();
+ trf797xRunDecoders(); */
//=====================================read Tag ID
//wait(1);
}
void FindNFC(uint8_t *irqStatus)
-{//found=0;
+{
+ //found=0;
//static uint8_t sg;
-//printf("%X \r\n", *irqStatus);
-
- switch(*irqStatus)
- {case BIT0: found=BIT0; WAIT=10; break;
- case BIT1: found=BIT1; break;
- // case BIT2://found=BIT2; // break;
- //case BIT3:found=BIT3; WAIT=0;break;
+//printf("%X \r\n", *irqStatus);
+
+ switch(*irqStatus) {
+ case BIT0:
+ found=BIT0;
+ WAIT=10;
+ break;
+ case BIT1:
+ found=BIT1;
+ break;
+ // case BIT2://found=BIT2; // break;
+ //case BIT3:found=BIT3; WAIT=0;break;
// case BIT4:found=BIT4; WAIT=0;break;
// case BIT5:found=BIT5; WAIT=0;break;
- case 0x40: found=0x40; break;
- case BIT7: found=BIT7; break;
- default: found=0;
-}
+ case 0x40:
+ found=0x40;
+ break;
+ case BIT7:
+ found=BIT7;
+ break;
+ default:
+ found=0;
+ }
-}
+}
void handlerNFC(void)
{
-testcommand[0] = IRQ_STATUS;
-trf797xReadSingle(testcommand,1);
-FindNFC(testcommand);
+ testcommand[0] = IRQ_STATUS;
+ trf797xReadSingle(testcommand,1);
+ FindNFC(testcommand);
//wait_ms(1);
//=============================use if trf7970a irq_status is not cleared
-//testcommand[0] = IRQ_STATUS;
-//trf797xReadSingle(testcommand,1);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadSingle(testcommand,1);
//=============================
}
void MemReadReqNFC(void)
-{testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ;
-testcommand[1] = 0xFF;
-trf797xWriteSingle(testcommand, 2);
- //send inventory command==================================================
-buf[0]=0x8F; //Send Inventory(8B)[0x8F 0x91 0x3D 0x00 0x30 0x26 0x01 0x00]
-buf[1]=0x91;
-buf[2]=0x3D;
-buf[3]=0x00;
-buf[4]=0x30;
-buf[5]=0x02;
-buf[6]=0x20;
-buf[7]=0x00;
-trf797xRawWrite(&buf[0],8);
-//wait_ms(2);
+{
+ testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ;
+ testcommand[1] = 0xFF;
+ trf797xWriteSingle(testcommand, 2);
+//send inventory command==================================================
+ buf[0]=0x8F; //Send Inventory(8B)[0x8F 0x91 0x3D 0x00 0x30 0x26 0x01 0x00]
+ buf[1]=0x91;
+ buf[2]=0x3D;
+ buf[3]=0x00;
+ buf[4]=0x30;
+ buf[5]=0x02;
+ buf[6]=0x20;
+ buf[7]=0x00;
+ trf797xRawWrite(&buf[0],8);
+
+//read rssi register and interchange rx input to main and aux receiver blocks
+//{add code block here
+// }
+//wait_ms(2);
//testPin=1;
//=========================use to clear irq_status register of trf7970a
-//testcommand[0] = IRQ_STATUS;
-//trf797xReadSingle(testcommand,1);
-//testcommand[0] = IRQ_STATUS;
-//trf797xReadSingle(testcommand,1);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadSingle(testcommand,1);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadSingle(testcommand,1);
//==========================
-wait_ms(5);
+ wait_ms(5);
+//testcommand[0] = CHECK_EXTERNAL_RF;
+//trf797xDirectCommand(testcommand);
+//wait_us(100);
+ testcommand[0] = RSSI_LEVELS;
+ //Read RSSI levels and oscillator status(0x0F/0x4F)
+ trf797xReadSingle(testcommand, 1);
+ rssi=testcommand[0];
+
+ printf("RSSI:%X \r\n", testcommand[0]);
}
-void ReadNFC(void)
-{/*========================================== read irqstatus reg. of trf7970a
-//testcommand[0] = IRQ_STATUS; clear irqstatus reg of trf7970a
-//trf797xReadSingle(testcommand,1);
-//testcommand[0] = IRQ_STATUS;
-//trf797xReadSingle(testcommand,1);
-===========================================*/
+void ReadNFC(void)
+{
+ /*========================================== read irqstatus reg. of trf7970a
+ //testcommand[0] = IRQ_STATUS; clear irqstatus reg of trf7970a
+ //trf797xReadSingle(testcommand,1);
+ //testcommand[0] = IRQ_STATUS;
+ //trf797xReadSingle(testcommand,1);
+ ===========================================*/
-noBytes = FIFO_COUNTER; //Read FIFO Status Register(0x1C/0x5C)
-trf797xReadSingle(&noBytes, 1);
-noBytes = 0x7F & noBytes; // Determine the number of bytes left in FIFO
-buf[0] = FIFO;
-trf797xReadContinuous(&buf[0],noBytes);
+ noBytes = FIFO_COUNTER; //Read FIFO Status Register(0x1C/0x5C)
+ trf797xReadSingle(&noBytes, 1);
+ noBytes = 0x7F & noBytes; // Determine the number of bytes left in FIFO
+ buf[0] = FIFO;
+ trf797xReadContinuous(&buf[0],noBytes);
//==use if trf7970a irq_status is not cleared
-//testcommand[0] = IRQ_STATUS;
-//trf797xReadSingle(testcommand,1);
-//testcommand[0] = IRQ_STATUS;
-//trf797xReadSingle(testcommand,1);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadSingle(testcommand,1);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadSingle(testcommand,1);
//=========================================
-testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
-trf797xDirectCommand(testcommand);
+ testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+ trf797xDirectCommand(testcommand);
-//wait(1);
+//wait(1);
}
-bool PollNFC(void)
-{
-CS=1;
-PowerUpNFC();
-//////wait_ms(1);
-NFCInit();
-RegisterReInitNFC();
-MemReadReqNFC(); //InventoryReqNFC()
+
+
+
+
+
+
+
-wait_ms(WAIT);
+bool PollNFC(void)
+{
+ printf("PollNFC \r\n");
+//CS=1;
+ // PowerUpNFC();
+//////wait_ms(1);
+ // NFCInit();
+ // RegisterReInitNFC();
+ MemReadReqNFC();
+ printf("back from MemReadReqNFC \r\n");
+ if (rssi>0x50)
+ {rssi_flag=1;}
+ else{rssi_flag=0;}
+ nfc++;
+//InventoryReqNFC();
+ wait_ms(WAIT);
-switch(found)
-{case BIT0:
- printf("no response:");
- printf("%X \r\n",found);
- found=0;
- WAIT=0;
- break;
+ switch(found) {
+ case BIT0:
+ printf("no response:");
+ printf("%X \r\n",found);
+ found=0;
+ WAIT=0;
+ break;
// //case BIT1:
// //case BIT2:
// //case BIT3:
//// case BIT4:
//// case BIT5:
- case BIT6:
- ReadNFC();
- PowerDownNFC(); //SleepNFC() //StandByNFC()
- found=1;
- WAIT=0;
- break;
- case BIT7:
- printf("tx complete:");
- printf("%X \r\n",found);
- found=0;
- WAIT=0;
-break;
-default: found=0;
-}
-//
-//
-////InventoryReqNFC();
-////if(found==1)
-////{
-////ReadNFC();
-////printf("tag id:");
-////for(uint8_t i=0; i<noBytes; i++)
-////printf("%X ", buf[i]);
-////printf("\r\n");
-////found=0;
-////}
-////else
-//{printf("tnf2 \r\n");
-//}
+ case BIT6:
+ ReadNFC();
+//PowerDownNFC(); //SleepNFC() //StandByNFC()
+ found=1;
+ WAIT=0;
+ break;
+ case BIT7:
+ printf("tx complete:");
+ printf("%X \r\n",found);
+ found=0;
+ WAIT=0;
+ break;
+ default:
+ if((nfc>10)&&(rssi_flag=1));
+ {rssi_flag=0;
+ nfc=0;
+ PowerUpNFC();
+ NFCInit();
+ RegisterReInitNFC();
+ printf("resetting 7970 \r\n:");
+ found=0;
+ }
+ }
-return found;
+ return found;
}
\ No newline at end of file
--- a/readerComm.h Fri Apr 10 23:16:44 2015 +0000 +++ b/readerComm.h Thu Apr 30 23:30:55 2015 +0000 @@ -1,3 +1,33 @@ + +//#define EN_7970_PIN p0 +//#define DETECT_METAL_PIN p1 +//#define METAL_THRESH_PIN p2 +//#define SPI_CLK_PIN p3 +//#define EN2_7970_PIN p4 +//#define VUSBMON_PIN p5 +//#define VBATMON_PIN p6 +//#define SPI_MOSI_PIN p7 +//#define SPI_MISO_PIN p8 +//#define CS_7970_PIN p9 +//#define TP1_PIN p10 //use this one for the serial port TX +//#define WD_CONTROL_PIN p11 +//#define WATCHDOG_PIN p12 +//#define CHARGING_PIN p13 +//#define SCL_PIN p14 +//#define SDA_PIN p15 +//#define ADXL345_INT_PIN p16 +//#define BLED_PIN p17 +//#define GLED_PIN p18 +//#define RLED_PIN p19 +//#define UNUSED_20_PIN p20 +//#define DETECT_METAL_INT_PIN p21 +//#define COILPWR_PIN p22 +//#define UNUSED_23_PIN p23 +//#define TP4_PIN p24 +//#define TP5_PIN p25 +//#define IRQ_7970_PIN p28 +//#define AO_7970_PIN p29 +//#define MOD_7970_PIN p30 // Prototypes //void SpiInit1(void); // SPI 250 Khz