QRPp 控制

volatile bit Relay1 @PORTC.2; // Controls first attenuator relay
volatile bit Relay2 @PORTA.5; // ... and the second relay
volatile bit TXInhibit @PORTA.2; // True if TX is to be inhibited
unsigned char *RxBuf; // Receive buffer - allocated from the heap
volatile unsigned char GPSMissing; // Set FALSE if GPS timing present
// Static Data for transmission of WSPR message
unsigned char GPSStatus(void); // Check GPS position and status information
// GPS Messages
rom char *GPSMsg = {
'@', '@', 'E', 'a', 0x00, 0x24, 0x0d, 0x0a // Position/Status message - polled
unsigned char rx_cnt; // Count of received bytes expected
volatile unsigned char rxSem; // Rx semaphore - set when message available to process
unsigned char tx_ptr; // Offset into GPSMsg of message to send
signed char tx_cnt; // Count of bytes to be sent
unsigned char data_b; // Holding store for rx/tx data
unsigned char hLastLen; // Length of last command period
unsigned char hStatus; // Bool to indicate heater on/off
// Statuc Data for managing packing of WSPR message into 4 symbols per byte
// 0 = message available
// > 0 - timeout in seconds - decremented by timer ISR unless = 0
// This allows us to timeout a message if the GPS is interrupted, disconnected etc
unsigned char tickLO; // LSB of timer ticks in a second
unsigned char symHI; // MSB of timer ticks in a symbol period (8192/12000 s)
unsigned char symLO; // LSB of timer ticks in a symbol period
// Heater status LED driven from the heater relay
volatile bit W0 @PORTC.4; // WSPR symbol select bit 0
volatile bit W1 @PORTC.5; // WSPR symbol select bit 1
volatile bit ModLED @PORTC.3; // Shows current state of modulation
volatile bit TxSTBY @PORTB.1; // Tx state - standby
volatile bit TxON @PORTB.2; // Tx state - in transmit
unsigned char tSecLO; // Ticks in a second - LSB
unsigned char tSecHI; // Ticks in a second - MSB
unsigned char sClkLO; // Symbol counter ticks - LSB
int Integral; // Integral for error processing
int Command; // Calculate command value for control loop
unsigned char hLen; // Number of seconds to process heater command
// Procedure templates
void Wait1Sec(void); // Wait for 1 second
void init(void); // Inits peripherals
void HeatCtrl(void); // Heater control
unsigned char MinCount; // Time of Day - Minutes
unsigned char SecCount; // Time of Day - Seconds
unsigned char tickHI; // MSB of timer ticks in a second
};
#define GPS_PS 0x00 // Offset of GPS Position/Status message
#define GPS_PSL 8 // Count of bytes to send INCLUDING checksum and CR, LF
unsigned char rotCount; // Rotation count for accessing symbols bits in cell
unsigned char symbol; // The current symbol bits
// Static Data for timer and TOD management
//
// QRPp WSPR Controller
// V1.3 Feb 20, 2009
#include <system.h>
#include <stdld2.h>
#include "controller.h"
// CONFIG register settings for 16F873
volatile unsigned char eEpoch; // Set true (1) on the start of an even minute period
volatile unsigned char sSec; // Second sempahore - cleared on second epoch by interrupt routine
unsigned char SuspendTX(unsigned char count); // Suspend TX for count periods
void GPSSend(unsigned char offset, unsigned char count); // Send a message to the GPS
int TError; // Current error from target temperature
int PrevError; // Last Error
int Diff; // Differential (Error - LastError)
void HeatCL(void); // Heater control loop
void ResetTick(void); // Resets the timer tick
unsigned char SendWSPR(unsigned char offset); // Set up to send a WSPR message
// Copyright 2009 - Stu Phillips, N6TTO
//
// You may use or modify this software freely with the following restrictions:
// 1. No commercial use is permitted in whole or in part
volatile bit Heater @PORTB.3; // Heater Control Relay
volatile bit ModOUT @PORTB.4; // FSK single level modulation control
volatile bit TxPWR @PORTB.5; // Enable TX Power
#pragma DATA _CONFIG, _CP_OFF & _WDT_OFF & _XT_OSC & _LVP_OFF & _BODEN_OFF
// Static data for heater control
int CurrTemp; // Current temperature of heater sensor