//*****************************************************************************// File Name : datalogger.c// // Title : Windlogger// Revision : 0.3 22-10-2006// Revision History:// When Who Description of change// ----------- ----------- -----------------------// 20-Oct-2002 pstang Created the program// Oct - 2006 RifRaf changes stuff//*****************************************************************************//----- Include Files ---------------------------------------------------------#include <avr/io.h> // include I/O definitions (port names, pin names, etc)#include <avr/signal.h> // include "signal" names (interrupt names)#include <avr/interrupt.h> // include interrupt support#include "global.h" // include our global settings#include "uart.h" // include uart function library#include "rprintf.h" // include printf function library#include "timer.h" // include timer function library (timing, PWM, etc)#include "a2d.h" // include A/D converter function library#include "vt100.h" // include VT100 terminal support#include "extint.h" // include external interrupt library#define SetBit(BIT, PORT) PORT |= (1<<BIT)#define ClearBit(BIT, PORT) PORT &= ~(1<<BIT)#define IsHigh(BIT, PORT) (PORT & (1<<BIT)) != 1#define IsLow(BIT, PORT) (PORT & (1<<BIT)) == 1#define on 0#define off 1typedef struct FSM_State_s { unsigned TPD7 : 1; unsigned TPD6 : 1; unsigned TPD5 : 1; unsigned TPD4 : 1; unsigned TPC2 : 1; unsigned TPC3 : 1; unsigned TPC4 : 1; unsigned TPC5 : 1;} FSM_State_t;typedef unsigned int PTRType; typedef struct stateEntry_s { PTRType next; union { FSM_State_t state; unsigned stateBits; }; } stateEntry_t; //------------ // PC5 , PC4 , PC3 , PC2 , PD4 , PD5 , PD6 , PD7 ,stateEntry_t stateTable[] = { { 0, { on , on , on , off , off , off , off , off }}, /* index: 31 0 */ { 1, { on , on , off , off , off , off , off , on }}, /* index: 62 1 */ { 2, { on , on , off , off , off , off , off , off }}, /* index: 63 2 */ { 3, { on , off , on , off , off , off , off , off }}, /* index: 95 3 */ { 4, { on , off , off , off , off , on , off , off }}, /* index: 123 4 */ { 5, { on , off , off , off , off , off , on , on }}, /* index: 124 5 */ { 6, { on , off , off , off , off , off , off , on }}, /* index: 126 6 */ { 7, { on , off , off , off , off , off , off , off }}, /* index: 127 7 */ { 8, { off , on , on , on , off , off , off , off }}, /* index: 143 8 */ { 9, { off , on , on , off , off , off , off , off }}, /* index: 159 9 */ { 10, { off , on , off , on , off , off , off , off }}, /* index: 175 10 */ { 11, { off , on , off , off , off , off , off , on }}, /* index: 190 11 */ { 12, { off , on , off , off , off , off , off , off }}, /* index: 191 12 */ { 13, { off , off , on , on , on , off , off , off }}, /* index: 199 13 */ { 14, { off , off , on , on , off , off , off , off }}, /* index: 207 14 */ { 15, { off , off , on , off , on , off , off , off }}, /* index: 215 15 */ { 16, { off , off , on , off , off , off , off , off }}, /* index: 223 16 */ { 17, { off , off , off , on , on , on , off , off }}, /* index: 227 17 */ { 18, { off , off , off , on , on , off , off , off }}, /* index: 231 18 */ { 19, { off , off , off , on , off , on , off , off }}, /* index: 235 19 */ { 20, { off , off , off , on , off , off , off , off }}, /* index: 239 20 */ { 21, { off , off , off , off , on , on , on , on }}, /* index: 240 21 */ { 22, { off , off , off , off , on , on , off , off }}, /* index: 243 22 */ { 23, { off , off , off , off , on , off , on , off }}, /* index: 245 23 */ { 24, { off , off , off , off , on , off , off , off }}, /* index: 247 24 */ { 25, { off , off , off , off , off , on , on , on }}, /* index: 248 25 */ { 26, { off , off , off , off , off , on , on , off }}, /* index: 249 26 */ { 27, { off , off , off , off , off , on , off , on }}, /* index: 250 27 */ { 28, { off , off , off , off , off , on , off , off }}, /* index: 251 28 */ { 29, { off , off , off , off , off , off , on , on }}, /* index: 252 29 */ { 30, { off , off , off , off , off , off , on , off }}, /* index: 253 30 */ { 31, { off , off , off , off , off , off , off , on }} /* index: 254 31 */ }; //global variablesunsigned int volts; // Current value of Battery Voltsunsigned int shuntvolts; // Current value of Shunt Volts (AMPS)unsigned int mode; // Dummy load on or offvolatile u16 Int0Count;volatile u16 Int1Count;u16 rpm; // AC Volts IN frequency per 0 secondsu16 windpulse; // Windspeed Pulses per 0 secondsu16 direction; // Wind Direction// functions void SwitchToCharging(void);void SwitchToLoad(void);void rpmSetup(void);int windDirection(void);void myInt0Handler(void);void myInt1Handler(void);//----- Begin Code ------------------------------------------------------------int main(void){ uartInit(); uartSetBaudRate(4800); // set UART speed to 9600 baud rprintfInit(uartSendByte); timerInit(); a2dInit(); vt100ClearScreen(); //rprintf("hello"); DDRC = 0x00; DDRD = 0xF0; PORTC = 0x00; PORTD = 0xF0; a2dSetPrescaler(ADC_PRESCALE_DIV64); a2dSetReference(ADC_REFERENCE_AVCC); rpmSetup(); SwitchToCharging(); mode = 1; while (1) // do this until finished or broken { volts = a2dConvert10bit(0); // Get ADC Value //volts = 600; shuntvolts = a2dConvert10bit(1); // Get ADC Value Int0Count = 0; // reset interrupt counters Int1Count = 0; // reset interrupt counters timerPause(5000); // wait 0 seconds windDirection(); rpm = Int0Count; // get counter values windpulse = Int1Count; // get counter values if (volts > 580) { mode = 0; SwitchToLoad(); } if (volts < 540) { mode = 1; SwitchToCharging(); } vt100SetCursorPos(1,1); rprintf("[<V>%d</V><I>%d</I><R>%d</R><S>%d</S><M>%d<M><D>%d</D>]\r\n",volts,shuntvolts,rpm,windpulse,mode,direction); } }int windDirection() { stateEntry_t test; int n; test.state.TPD7 = IsHigh(7, PORTD); test.state.TPD6 = IsHigh(6, PORTD); test.state.TPD5 = IsHigh(5, PORTD); test.state.TPD4 = IsHigh(4, PORTD); test.state.TPC2 = IsHigh(2, PORTC); test.state.TPC3 = IsHigh(3, PORTC); test.state.TPC4 = IsHigh(4, PORTC); test.state.TPC5 = IsHigh(5, PORTC); for (n = 0; n < 32; n++) { if( stateTable[n].stateBits == test.stateBits ) { return stateTable[n].next; } } return -1; // we dont know!?} void rpmSetup(void){ extintInit(); extintConfigure(EXTINT0, EXTINT_EDGE_RISING); extintConfigure(EXTINT1, EXTINT_EDGE_RISING); extintAttach(EXTINT0, myInt0Handler); extintAttach(EXTINT1, myInt1Handler); sbi(GIMSK, INT0); sbi(GIMSK, INT1);}void myInt0Handler(void){ Int0Count++;}void myInt1Handler(void){ Int1Count++;}void SwitchToCharging(void) { ClearBit(0, PORTB) ; return;}void SwitchToLoad(void) { SetBit(0, PORTB) ; return;}