Rev 1214 Rev 1269
1 //***************************************************************************** 1 //*****************************************************************************
2 // File Name : gpstest.c 2 // File Name : gpstest.c
3 // 3 //
4 // Title : example usage of gps processing library functions 4 // Title : example usage of gps processing library functions
5 // Revision : 1.0 5 // Revision : 1.0
6 // Notes : 6 // Notes :
7 // Target MCU : Atmel AVR series 7 // Target MCU : Atmel AVR series
8 // Editor Tabs : 4 8 // Editor Tabs : 4
9 // 9 //
10 // Revision History: 10 // Revision History:
11 // When Who Description of change 11 // When Who Description of change
12 // ----------- ----------- ----------------------- 12 // ----------- ----------- -----------------------
13 // 10-Sep-2002 pstang Created the program 13 // 10-Sep-2002 pstang Created the program
14 //***************************************************************************** 14 //*****************************************************************************
15   15  
16 //----- Include Files --------------------------------------------------------- 16 //----- Include Files ---------------------------------------------------------
17 #include <avr/io.h> // include I/O definitions (port names, pin names, etc) 17 #include <avr/io.h> // include I/O definitions (port names, pin names, etc)
18 #include <avr/interrupt.h> // include interrupt support 18 #include <avr/interrupt.h> // include interrupt support
19 //#include <math.h> 19 //#include <math.h>
20 #include <stdlib.h> 20 #include <stdlib.h>
21 #include <stdio.h> 21 #include <stdio.h>
22   22  
23 #include "global.h" // include our global settings 23 #include "global.h" // include our global settings
24 #include "uart2.h" // include dual-uart function library 24 #include "uart2.h" // include dual-uart function library
25 #include "rprintf.h" // include printf function library 25 #include "rprintf.h" // include printf function library
26 #include "timer.h" // include timer function library (timing, PWM, etc) 26 #include "timer.h" // include timer function library (timing, PWM, etc)
27 #include "gps.h" // include gps data support 27 #include "gps.h" // include gps data support
28 //#include "tsip.h" // include TSIP gps packet handling 28 //#include "tsip.h" // include TSIP gps packet handling
29 #include "nmea.h" // include NMEA gps packet handling 29 #include "nmea.h" // include NMEA gps packet handling
30 #include "vt100.h" // include VT100 terminal commands 30 #include "vt100.h" // include VT100 terminal commands
31 //#include "utm.h" // Lat Lon to UTM conversion 31 //#include "utm.h" // Lat Lon to UTM conversion
32   32  
33 #include <util/delay.h> 33 #include <util/delay.h>
34   34  
35 // LCD Library 35 // LCD Library
36 #include "lcd_hd44780.h" 36 #include "lcd_hd44780.h"
37   37  
38 static int lcd_putc_stream(char c, FILE *unused) 38 static int lcd_putc_stream(char c, FILE *unused)
39 { 39 {
40 return lcd_putc(c); 40 return lcd_putc(c);
41 } 41 }
42   42  
43 // Define Output Stream to LCD 43 // Define Output Stream to LCD
44 static FILE lcd_stream = FDEV_SETUP_STREAM(lcd_putc_stream, NULL, _FDEV_SETUP_WRITE); 44 static FILE lcd_stream = FDEV_SETUP_STREAM(lcd_putc_stream, NULL, _FDEV_SETUP_WRITE);
45   45  
46 // uartRxOverflow is a global variable defined in uart.c/uart2.c 46 // uartRxOverflow is a global variable defined in uart.c/uart2.c
47 // we define it here as <extern> here so that we can use its value 47 // we define it here as <extern> here so that we can use its value
48 // in code contained in this file 48 // in code contained in this file
49 extern unsigned short uartRxOverflow[2]; 49 extern unsigned short uartRxOverflow[2];
50   50  
51 void gpsTsipTest(void); 51 void gpsTsipTest(void);
52 void gpsNmeaTest(void); 52 void gpsNmeaTest(void);
53   53  
54   54  
55 //----- Begin Code ------------------------------------------------------------ 55 //----- Begin Code ------------------------------------------------------------
56 int main(void) 56 int main(void)
57 { 57 {
58 sbi(DDRC, 0); // sets PC0 to be an output 58 sbi(DDRC, 0); // sets PC0 to be an output
59 cbi(PORTC, 0); // sets PC0 to output a HIGH 59 cbi(PORTC, 0); // sets PC0 to output a HIGH
60 _delay_ms(100); 60 _delay_ms(100);
61 sbi(PORTC, 0); // sets PC0 to output a LOW 61 sbi(PORTC, 0); // sets PC0 to output a LOW
62 _delay_ms(100); 62 _delay_ms(100);
63 cbi(PORTC, 0); // sets PC0 to output a HIGH 63 cbi(PORTC, 0); // sets PC0 to output a HIGH
64 _delay_ms(100); 64 _delay_ms(100);
65 sbi(PORTC, 0); // sets PC0 to output a LOW 65 sbi(PORTC, 0); // sets PC0 to output a LOW
66 _delay_ms(100); 66 _delay_ms(100);
67 // initialize our libraries 67 // initialize our libraries
68 // initialize the UART (serial port) 68 // initialize the UART (serial port)
69 // uartInit(); 69 // uartInit();
70 uart1Init(); 70 uart1Init();
71   71  
72 sbi(DDRC, 1); // sets PC0 to be an output 72 sbi(DDRC, 1); // sets PC0 to be an output
73 cbi(PORTC, 1); // sets PC0 to output a HIGH 73 cbi(PORTC, 1); // sets PC0 to output a HIGH
74 _delay_ms(100); 74 _delay_ms(100);
75 sbi(PORTC, 1); // sets PC0 to output a LOW 75 sbi(PORTC, 1); // sets PC0 to output a LOW
76 _delay_ms(100); 76 _delay_ms(100);
77 cbi(PORTC, 1); // sets PC0 to output a HIGH 77 cbi(PORTC, 1); // sets PC0 to output a HIGH
78 _delay_ms(100); 78 _delay_ms(100);
79 sbi(PORTC, 1); // sets PC0 to output a LOW 79 sbi(PORTC, 1); // sets PC0 to output a LOW
80 _delay_ms(100); 80 _delay_ms(100);
81   81  
82 // set the baud rate of UART 0 for our debug/reporting output 82 // set the baud rate of UART 0 for our debug/reporting output
83 // uartSetBaudRate(0,9600); 83 // uartSetBaudRate(0,9600);
84 // set uart0SendByte as the output for all rprintf statements 84 // set uart0SendByte as the output for all rprintf statements
85 // rprintfInit(uart0SendByte); 85 // rprintfInit(uart0SendByte);
86   86  
87 // initialize the timer system 87 // initialize the timer system
88 timerInit(); 88 timerInit();
89 // initialize vt100 library 89 // initialize vt100 library
90 // vt100Init(); 90 // vt100Init();
91 91
92 // print a little intro message so we know things are working 92 // print a little intro message so we know things are working
93 // vt100ClearScreen(); 93 // vt100ClearScreen();
94 // rprintf("\r\nWelcome to GPS Test!\r\n"); 94 // rprintf("\r\nWelcome to GPS Test!\r\n");
95 // timerPause(1000); 95 // timerPause(1000);
96   96  
97 lcd_init(); // Init LCD (interface and display module) 97 lcd_init(); // Init LCD (interface and display module)
98 rprintfInit(lcd_putc); 98 rprintfInit(lcd_putc);
99 rprintfProgStrM("Ahoj..."); rprintfCRLF(); 99 rprintfProgStrM("Ahoj...xxxxx"); rprintfCRLF();
100 _delay_ms(500); 100 _delay_ms(500);
101 lcd_clear(); 101 lcd_clear();
102   102  
103 // run example gps processing loop 103 // run example gps processing loop
104 // (pick the one appropriate for your GPS packet format) 104 // (pick the one appropriate for your GPS packet format)
105 gpsNmeaTest(); 105 gpsNmeaTest();
106 106
107 return 0; 107 return 0;
108 } 108 }
109   109  
110   110  
111 void gpsNmeaTest(void) 111 void gpsNmeaTest(void)
112 { 112 {
113 // set the baud rate of UART 1 for NMEA 113 // set the baud rate of UART 1 for NMEA
114 uartSetBaudRate(1,4800); 114 uartSetBaudRate(1,4800);
115   115  
116 // clear screen 116 // clear screen
117 // vt100ClearScreen(); 117 // vt100ClearScreen();
118 // initialize gps library 118 // initialize gps library
119 gpsInit(); 119 gpsInit();
120 // initialize gps packet decoder 120 // initialize gps packet decoder
121 nmeaInit(); 121 nmeaInit();
122   122  
123 DDRD = 0b10100000; // sets PD7 O, PD6 I, PD5 O 123 DDRD = 0b10100000; // sets PD7 O, PD6 I, PD5 O
124 cbi(PORTD, 7); // sets PD7 to output a LOW 124 cbi(PORTD, 7); // sets PD7 to output a LOW
125 sbi(PORTD, 5); // sets PD5 to output a HIGH 125 sbi(PORTD, 5); // sets PD5 to output a HIGH
126   126  
127 // begin gps packet processing loop 127 // begin gps packet processing loop
128 while(1) 128 while(1)
129 { 129 {
130 // process received gps packets until receive buffer is exhausted 130 // process received gps packets until receive buffer is exhausted
131 while( nmeaProcess(uartGetRxBuffer(1))== NMEA_NODATA); 131 while( nmeaProcess(uartGetRxBuffer(1))== NMEA_NODATA);
132 if((inb(PIND) & 0b01000000)==0) 132 if((inb(PIND) & 0b01000000)==0)
133 gpsInfoPrintLCD(); 133 gpsInfoPrintLCD();
134 else 134 else
135 gpsInfoPrintLCD2(); 135 gpsInfoPrintLCD2();
136   136  
-   137 /*
137 sbi(DDRC, 0); // sets PC0 to be an output 138 sbi(DDRC, 0); // sets PC0 to be an output
138 cbi(PORTC, 0); // sets PC0 to output a LOW 139 cbi(PORTC, 0); // sets PC0 to output a LOW
139 _delay_ms(5); 140 _delay_ms(5);
140 sbi(PORTC, 0); // sets PC0 to output a HIGH 141 sbi(PORTC, 0); // sets PC0 to output a HIGH
-   142 */
141 } 143 }
142 } 144 }
143   145