Gymtrack
interrupt handling
Diff: main.cpp
- Revision:
- 5:93c612f43ec2
- Parent:
- 4:9ab0d84bbd07
- Child:
- 6:3c510c297e2f
--- a/main.cpp Fri Mar 20 19:51:01 2015 +0000
+++ b/main.cpp Wed Apr 01 22:06:40 2015 +0000
@@ -16,12 +16,13 @@
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "mbed.h"
-#include "main.h"
+
+//#include "NFC_7970.h"
#include "readerComm.h"
#include "interruptStuff.h"
SPI spi(p25, p28, p29); // MOSI, MISO, SCLK
-DigitalOut CS(p19); // Slave Select (SS)
+ // Slave Select (SS)
Serial pc(USBTX, USBRX); // Serial communication over USB with PC
DigitalOut heartbeatLED(LED4); // "Heartbeat" LED
DigitalOut debug2LED(LED2); // "Debug2" LED
@@ -29,8 +30,6 @@
DigitalOut debug1LED(LED1); // "Debug1" LED
DigitalInOut ook_ask(p6); // Control ASK/OOK pin on TRF7970
DigitalOut mod(p5); // Control MOD pin on TRF7970
-DigitalOut enable(p4); // Control EN pin on TRF7970
-DigitalOut enable2(p3); // Control EN2 pin on TRF7970
DigitalOut testPin(p1);
@@ -49,7 +48,9 @@
uint8_t debugBuffer[1000]; // Capture data for analysis
uint8_t bufIdx=0;
+extern uint8_t turnRFOn[2];
+extern uint8_t testcommand[2];
void blinkHeartbeatLED(void)
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// blinkHeartbeatLED()
@@ -60,20 +61,38 @@
} // End of blinkHeartbeatLED()
int main()
-{
+{pc.baud(115200);
+ PowerUpNFC();
// Power up sequence. See TRF7970A datasheet "SLOU43K August 2011 Revised April 20914" Figures 6-3 and 6-4.
- CS = 0; enable2 = 0; enable = 0;
- wait_ms(2);
- CS = 1;
- wait_ms(3);
- enable2 = 1;
- wait_ms(1);
- enable = 1;
-
- mod = 0;
+ SpiInit1();
+ NFCInit();
+ SpiInit2();
+ wait_ms(15);
+
+turnRFOn[0] = CHIP_STATUS_CONTROL;
+turnRFOn[1] = CHIP_STATUS_CONTROL;
+//
+//trf797xReadSingle(&turnRFOn[1], 1);
+turnRFOn[1] &= 0x3F;
+turnRFOn[1] |= 0x2C;
+// Oroiginal code has 0x20 !!!
+trf797xReadSingle(turnRFOn, 1);
+turnRFOn[0] = CHIP_STATUS_CONTROL;
+turnRFOn[1] = CHIP_STATUS_CONTROL;
+
+turnRFOn[1] &= 0x3F;
+turnRFOn[1] |= 0x2C;
+trf797xWriteSingle(turnRFOn, 2);
+wait_ms(2);
+
+testcommand[0] = ISO_CONTROL;
+testcommand[1] = 0x02; // 6.78 MHz, OOK 100%
+trf797xWriteSingle(testcommand, 2);
+wait_ms(6);
+// mod = 0;
testPin = 0;
// Setup serial communication
- pc.baud(115200);
+
// printf("\r\nInitialization: ");
/*
@@ -86,48 +105,287 @@
printf("Regulator Control: 0x%X\r\n", buffer[1]);
*/
-
- // Setup LEDs
- heartbeatLED = LED_OFF;
+ 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);
- }
- */
+
+ook_ask.output(); // Set On-Off Keying modulation
+ook_ask = 1;
+
+//******************************************
+
+//testcommand[0] = ISO_CONTROL;
+//testcommand[1] = 0x21;
+//trf797xWriteSingle(testcommand, 2);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadContinuous(testcommand, 2);
+//turnRFOn[0] = CHIP_STATUS_CONTROL;
+//turnRFOn[1] = CHIP_STATUS_CONTROL;
+//turnRFOn[1] &= 0x3F;
+//turnRFOn[1] |= 0x21;
+//trf797xWriteSingle(turnRFOn, 2);
+//testcommand[0] = ISO_CONTROL;
+//testcommand[1] = 0x00;
+//trf797xWriteSingle(testcommand, 2);
+//testcommand[0] = ISO_CONTROL;
+//testcommand[1] = 0x00;
+//trf797xWriteSingle(testcommand, 2);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadContinuous(testcommand, 2);
+//turnRFOn[0] = CHIP_STATUS_CONTROL;
+//trf797xReadSingle(&turnRFOn[0], 1);
+
+//
+//turnRFOn[0] = CHIP_STATUS_CONTROL;
+//turnRFOn[1] = CHIP_STATUS_CONTROL;
+//turnRFOn[1] &= 0x3F;
+//turnRFOn[1] |= 0x21;
+//trf797xWriteSingle(turnRFOn, 2);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadContinuous(testcommand, 2);
+//turnRFOn[0] = CHIP_STATUS_CONTROL;
+//trf797xReadSingle(&turnRFOn[0], 1);
+//
+//
+//turnRFOn[0] = CHIP_STATUS_CONTROL;
+//turnRFOn[1] = CHIP_STATUS_CONTROL;
+//turnRFOn[1] &= 0x3F;
+//turnRFOn[1] |= 0x21;
+//trf797xWriteSingle(turnRFOn, 2);
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadContinuous(testcommand, 2);
+//*********************************************
+
+RegisterReInitNFC();
+
+
+testcommand[0] = TX_TIMER_EPC_HIGH;
+//testcommand[1] = 0xC1;
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = TX_TIMER_EPC_LOW ;
+//testcommand[1] = 0xC1;
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = TX_PULSE_LENGTH_CONTROL ;
+//testcommand[1] = 0x00;
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = RX_NO_RESPONSE_WAIT_TIME ;
+//testcommand[1] = 0x30;
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = RX_WAIT_TIME ;
+//testcommand[1] = 0x1F;
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = MODULATOR_CONTROL ;
+//testcommand[1] = 0x21; //0x34 100%ook@13MHz
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = RX_SPECIAL_SETTINGS ;
+//testcommand[1] = 0x40;
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = REGULATOR_CONTROL ;
+//testcommand[1] = 0x87;
+trf797xReadSingle(testcommand, 1);
+
+//}
+
+
+
+//RegisterReInitNFC();
+//
+ /* ook_ask.input(); // Tri-state OOK pin
+ook_ask.mode(PullUp);*/
+//
+////readerInt.enable_irq();
+////========================================================================
+//
+
+while(1)
+{
+
+//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; //Reset FIFO(0x0F/0x8F)
+trf797xReadSingle(testcommand,1);
+testcommand[0] = IRQ_STATUS; //Reset FIFO(0x0F/0x8F)
+trf797xReadSingle(testcommand,1);
+//wait_us(240); //Wait 2ms
+//testcommand[0] = IRQ_STATUS; //Read/Clear IRQ Status(0x0C=>0x6C)+dummy read
+//trf797xReadContinuous(testcommand, 2);
+//testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+//trf797xDirectCommand(testcommand);
+
+ // Read second register as dummy read
+//
+wait_ms(5);
+testcommand[0] = IRQ_STATUS; //Reset FIFO(0x0F/0x8F)
+trf797xReadSingle(testcommand,1);
+testcommand[0] = IRQ_STATUS; //Reset FIFO(0x0F/0x8F)
+trf797xReadSingle(testcommand,1);
+
+testcommand[0] = IRQ_STATUS; //Reset FIFO(0x0F/0x8F)
+trf797xReadSingle(testcommand,1);
+testcommand[0] = RSSI_LEVELS; //Read RSSI levels and oscillator status(0x0F/0x4F)
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = FIFO_CONTROL; //Read FIFO Status Register(0x1C/0x5C)
+trf797xReadSingle(testcommand, 1);
+// // Determine the number of bytes left in FIFO
+testcommand[0] = 0x7F & testcommand[0];
+//
+////buf[rxtxState] = FIFO;
+buf[100] = FIFO;
+//////testPin=1; // Write the received bytes to the correct place in the buffer
+trf797xReadContinuous(&buf[100], testcommand[0]);
+
+
+////testPin=0;
+//testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+//trf797xDirectCommand(testcommand);
+
+//testcommand[0] = 0x96; //DISABLE REVEIVER
+//trf797xDirectCommand(testcommand);
+////====================================================================8 clk cycles
+////testcommand[0] = IDLE;
+////trf797xDirectCommand(testcommand);
+//
+//
+////====================================================================
+//testcommand[0] = 0x97; //ENABLE RECEIVER
+//trf797xDirectCommand(testcommand);
+////testcommand[0] = IDLE;
+////trf797xDirectCommand(testcommand);
+
+//====================================================================8 clk cycles
+
+//====================================================================8 clk cycles
+//testcommand[0] = IDLE;
+//trf797xDirectCommand(testcommand);
+
+
+//====================================================================
+
+//
+////
+////
+////
+//buf[8] = FIFO; // Write the received bytes to the correct place in the buffer
+////
+//trf797xReadContinuous(&buf[8], 10);//Read Continuous FIFO from 0x1F to 0x1F+0x0A(0x1F/0x7F)
+////
+//// //Wait 10 ms
+//testcommand[0] = IRQ_STATUS; //Read/Clear IRQ Status(0x0C=>0x6C)+dummy read
+//trf797xReadContinuous(testcommand, 2); // Read second register as dummy read
+//testcommand[0] = FIFO_CONTROL; //Read FIFO Status Register(0x1C/0x5C)
+//trf797xReadSingle(testcommand, 1);
+//testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+//trf797xDirectCommand(testcommand); // FIFO must be reset before receiving the next response
+testcommand[0] = RSSI_LEVELS; //Read RSSI levels and oscillator status(0x0F/0x4F)
+trf797xReadSingle(testcommand, 1);
+testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+trf797xDirectCommand(testcommand);
+//trf797xStopDecoders();
+//trf797xRunDecoders();
+//testcommand[0] = 0x94; //Reset FIFO(0x0F/0x8F)
+//trf797xDirectCommand(testcommand);
+
+//testcommand[0] = IRQ_STATUS;
+//trf797xReadContinuous(testcommand, 2);
+
+
+}} // Read RSSI levels
+//testcommand[0] = RESET; //Reset FIFO(0x0F/0x8F)
+//trf797xDirectCommand(testcommand); //RESET
+
+//=========================================================================
+
+
+//}// end of while
+//}// end of main
+/*==========================================================================
+Initialize the chipset ISO15693 and read UID:
+1) Reset
+[0x83]
+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]
+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), 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]
+==============================================================================*/
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ //// 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
- trf797xInitialSettings();
-// printf("Initialized, ");
-
- // Tri-state OOK pin
- ook_ask.input();
- ook_ask.mode(PullUp);
-
- readerMode = 0x00;
-
+ // 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");
@@ -141,16 +399,20 @@
// printf("\r\n");
*/
- printf("\r\nFinished Init\r\n");
+ // printf("\r\nFinished Init\r\n");
// Setup interrupt from TRF7970
- trf797xSetupIrq();
+ // testPin=1;
+ //========================
+ // trf797xSetupIrq();
+ //======================
+ // testPin=0;
// printf("IRQ setup, ");
// printf("finished init.\r\n\r\n");
- while(TRUE) {
- iso15693FindTag();
- }
-
-} // End of main()
+ // while(1) { // changed TRUE to 1 $SG
+// iso15693FindTag();
+// }
+//
+//} // End of main()