WebSVN - Projects - Diff - Rev 502 and 507


/****************************************************************************
 *   Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje                    *
 *   admiralcascade@gmail.com                                               *
 *   Project-URL: http://www.mylifesucks.de/oss/c-osd/                      *
 *                                                                          *
 *   This program is free software; you can redistribute it and/or modify   *
 *   it under the terms of the GNU General Public License as published by   *
 *   the Free Software Foundation; either version 2 of the License.         *
 *                                                                          *
 *   This program is distributed in the hope that it will be useful,        *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *   GNU General Public License for more details.                           *
 *                                                                          *
 *   You should have received a copy of the GNU General Public License      *
 *   along with this program; if not, write to the                          *
 *   Free Software Foundation, Inc.,                                        *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
 *                                                                          *
 *                                                                          *
 *   Credits to:                                                            *
 *   Holger Buss & Ingo Busker from mikrokopter.de for the MK project + SVN *
 *   Gregor "killagreg" Stobrawa for making the MK code readable            *
 *   Klaus "akku" Buettner for the hardware                                 *
 *   Manuel "KeyOz" Schrape for explaining the MK protocol to me            *
 ****************************************************************************/
 
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <avr/pgmspace.h>
#include "main.h"
#include "max7456_software_spi.h"
#include "usart1.h"
#include "osd_helpers.h"
#include "config.h"
#include "spi.h"
#include "buttons.h"
#include "ppm.h"
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
#include "osd_ncmode_default.h"
#include "osd_ncmode_minimal.h"
#include "osd_fcmode_default.h"
#endif
 
/* TODO:
 * - verifiy correctness of values
 * - clean up code :)
 */
 
 
/* ##########################################################################
 * global definitions and global vars
 * ##########################################################################*/
 
volatile uint16_t setsReceived = 0;
 
volatile NaviData_t naviData;
volatile DebugOut_t debugData;
 
// cache old vars for blinking attribute, checkup is faster than full
// attribute write each time
volatile uint8_t last_UBat = 255;
volatile uint8_t last_RC_Quality = 255;
 
// 16bit should be enough, normal LiPos don't last that long
volatile uint16_t uptime = 0;
volatile uint16_t timer = 0;
 
// remember last time data was received
volatile uint8_t seconds_since_last_data = 0;
 
// general PAL|NTSC distingiusch stuff
uint8_t top_line = 1;
uint8_t bottom_line = 14;
 
// battery voltages
uint8_t min_voltage = 0;
uint8_t max_voltage = 0;
 
// Flags
uint8_t COSD_FLAGS = 0, COSD_FLAGS2 = 0;
 
// stats for after flight
int16_t max_Altimeter = 0;
uint8_t min_UBat = 255;
uint16_t max_GroundSpeed = 0;
int16_t max_Distance = 0;
uint16_t max_FlyingTime = 0;
 
// flags from last round to check for changes
uint8_t old_MKFlags = 0;
 
// store stats description in progmem to save space
const char stats_item_0[] PROGMEM = "max Altitude:";
const char stats_item_1[] PROGMEM = "max Speed   :";
const char stats_item_2[] PROGMEM = "max Distance:";
const char stats_item_3[] PROGMEM = "min Voltage :";
const char stats_item_4[] PROGMEM = "max Time    :";
const char stats_item_5[] PROGMEM = "longitude   :";
const char stats_item_6[] PROGMEM = "latitude    :";
const char stats_item_7[] PROGMEM = "max current :";
const char *stats_item_pointers[8] PROGMEM = {stats_item_0, stats_item_1, stats_item_2,
    stats_item_3, stats_item_4, stats_item_5, stats_item_6, stats_item_7};
 
//char* directions[8] = {"NE", "E ", "SE", "S ", "SW", "W ", "NW", "N "};
    //char arrowdir[8] = {218, 217, 224, 223, 222, 221, 220, 219};
const char str_NE[] PROGMEM = "NE";
const char str_E[] PROGMEM  = "E ";
const char str_SE[] PROGMEM = "SE";
const char str_S[] PROGMEM  = "S ";
const char str_SW[] PROGMEM = "SW";
const char str_W[] PROGMEM  = "W ";
const char str_NW[] PROGMEM = "NW";
const char str_N[] PROGMEM  = "N ";
const char *directions[8] PROGMEM = {
        str_NE,
        str_E,
        str_SE,
        str_S,
        str_SW,
        str_W,
        str_NW,
        str_N};
 
/* ##########################################################################
 * Different display mode function pointers
 * ##########################################################################*/
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
const char str_1[] PROGMEM  = "default";
const char str_2[] PROGMEM  = "minimal";
 
const displaymode_t ncdisplaymodes[] PROGMEM = {
   { osd_ncmode_default, (char *)str_1 },
   { osd_ncmode_minimal, (char *)str_2 }
};
 
const displaymode_t fcdisplaymodes[] PROGMEM = {
   { osd_fcmode_default, (char *)str_1 },
};
 
int (*osd_ncmode)(void) = (int(*)(void)) &osd_ncmode_default;
int (*osd_fcmode)(void) = (int(*)(void)) &osd_ncmode_default;
#endif
 
/* ##########################################################################
 * Interrupt handler
 * ##########################################################################*/
 
/**
 * handler for undefined Interrupts
 * if not defined AVR will reset in case any unhandled interrupts occur
 */
ISR(__vector_default) {
    asm("nop");
}
 
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
/* ##########################################################################
 * timer stuff
 * ##########################################################################*/
 
static uint8_t delay_spi = 0;
 
/**
 * timer kicks in every 1000uS ^= 1ms
 */
ISR(TIMER0_COMP_vect) {
    if (!timer--) {
        uptime++;
        timer = 999;
        seconds_since_last_data++;
    }
    // in case there is still some spi data to send do it now
        // delay to give the slave some time to compute values
    if (spi_ready && icnt) {
                if (!delay_spi--) {
                        delay_spi = 8;
                        spi_send_next();
                }
    }
}
#endif // ends !(ALLCHARSDEBUG|(WRITECHARS != -1))#endif // ends !(ALLCHARSDEBUG|(WRITECHARS != -1))
 
/* ##########################################################################
 * MAIN
 * ##########################################################################*/
int main(void) {
 
    // set up FLAGS, compiler should flatten this one
    COSD_FLAGS = (NTSC << 0);
    COSD_FLAGS |= (HUD << 1);
    COSD_FLAGS |= (ARTHORIZON << 2);
    COSD_FLAGS |= (BIGVARIO << 3);
    COSD_FLAGS |= (STATS << 4);
    COSD_FLAGS |= (WARNINGS << 5);
 
    // set up Atmega162 Ports
    DDRA |= (1 << PA1); // PA1 output (/CS)
    MAX_CS_HIGH
    DDRA |= (1 << PA2); // PA2 output (SDIN)
    MAX_SDIN_LOW
    DDRA |= (1 << PA3); // PA3 output (SCLK)
    MAX_SCLK_LOW
    DDRA |= (1 << PA5); // PA5 output (RESET)
    MAX_RESET_HIGH
 
    DDRC |= (1 << PC0); // PC0 output (LED1 gn)
    LED1_OFF
    DDRC |= (1 << PC1); // PC1 output (LED2 rt)
    LED2_OFF
    DDRC |= (1 << PC2); // PC2 output (LED3 gn)
    LED3_OFF
    DDRC |= (1 << PC3); // PC3 output (LED4 rt)
    LED4_OFF
 
    DDRC &= ~(1 << PC4); // PC4 input  (MODE)
    PORTC |= (1 << PC4); // pullup
    DDRC &= ~(1 << PC5); // PC5 input  (SET)
    PORTC |= (1 << PC5); // pullup
 
    // reset the MAX7456 to be sure any undefined states do no harm
    MAX_RESET_LOW
    MAX_RESET_HIGH
 
    // give the FC/NC and the maxim time to come up
    LED4_ON
    _delay_ms(2000);
    LED4_OFF
 
    //Pushing NEW chars to the MAX7456
#if (WRITECHARS != -1)
        // DISABLE display (VM0)
        spi_send_byte(0x00, 0b00000000);
#include "characters.c"
#else
        // read out config for NTSC/PAL distinguishing
        get_eeprom(0);
#endif
 
        // Setup Video Mode
        if (COSD_FLAGS & COSD_FLAG_NTSC) {
            // NTSC + enable display immediately (VM0)
            spi_send_byte(0x00, 0b00001000);
 
                bottom_line = 12;
        } else {
            // PAL + enable display immediately (VM0)
            spi_send_byte(0x00, 0b01001000);
 
                bottom_line = 14;
        }
 
    /*// clear all display-mem (DMM)
    spi_send_byte(0x04, 0b00000100);
 
    // clearing takes 12uS according to maxim so lets wait longer
    _delay_us(120);
 
    // 8bit mode
    spi_send_byte(0x04, 0b01000000);*/
 
    // clear display memory and set to 8bit mode
    clear();
 
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
    // init usart
    usart1_init();
 
    // set up timer
        // CTC, Prescaler /64
        TCCR0 = (1 << WGM01) | (0 << WGM00) | (0 << CS02) | (1 << CS01) | (1 << CS00);
 
        TCNT0 = 0;
        OCR0 = 250;
 
        // enable timer output compare interrupt
        TIMSK &= ~(1 << TOIE0);
        TIMSK |= (1 << OCIE0);
 
        // SPI setup
    DDRD |= (1 << PD2); // PD2 output (INT0)
    SpiMasterInit();
 
        // PPM detection setup
        ppm_init();
 
    // enable interrupts
 
    sei();
#endif
 
    //write_ascii_string(2,  7, "         CaScAdE          ");
    //write_ascii_string(2,  8, "is TESTING his open source");
    //write_ascii_string(2,  9, "    EPi OSD Firmware");
 
    // we are ready
    LED3_ON
 
#if ALLCHARSDEBUG | (WRITECHARS != -1)
        clear();
    write_all_chars();
        LED1_ON
        LED2_ON
        LED3_ON
        LED4_ON
#else
 
        // clear serial screen
        //usart1_puts("\x1B[2J\x1B[H");
        //usart1_puts("hello world!123\r\n");
 
#if FCONLY
        // request data ever 100ms from FC;
        usart1_request_mk_data(0, 'd', 100);
#else
        // request OSD Data from NC every 100ms
        usart1_request_mk_data(1, 'o', 100);
 
    // and disable debug...
    usart1_request_mk_data(0, 'd', 0);
#endif
 
    while (1) {
        // in case SPI is ready and there is nothing to send right now
        if (!icnt && spi_ready) {
            // correct transfer ends with d (done)
            if (SPI_buffer.buffer.chk == 'd') {
 
 
 
 
 
                                ampere = SPI_buffer.data.ampere;
                                ampere_wasted = SPI_buffer.data.mah;
 
                                s_volt = SPI_buffer.data.volt;
 
 
 
                                // if this is the first receival we should print the small A
                                if (!(COSD_FLAGS2 & COSD_FLAG_STROMREC)) {
                                        clear();
                                        COSD_FLAGS2 &= ~COSD_ICONS_WRITTEN;
                                        // update this flag
                        COSD_FLAGS2 |= COSD_FLAG_STROMREC;
                                }
 
            } else {
                // update flags
                COSD_FLAGS2 &= ~COSD_FLAG_STROMREC;
 
            }
 
 
 
                        StartTransfer(9);
 
 
 
 
        }
        if (rxd_buffer_locked) {
#if FCONLY
            if (rxd_buffer[2] == 'D') { // FC Data
                Decode64();
                debugData = *((DebugOut_t*) pRxData);
 
                // init on first data retrival, distinguished by last battery :)
                if (last_UBat == 255) {
                    // fix for min_UBat
                    min_UBat = debugData.Analog[9];
                    init_cosd(debugData.Analog[9]);
                }
                                osd_fcmode();
            }
#else
            if (rxd_buffer[2] == 'O') { // NC OSD Data
                Decode64();
                naviData = *((NaviData_t*) pRxData);
 
                // init on first data retrival, distinguished by last battery :)
                if (last_UBat == 255) {
                    // fix for min_UBat
                    min_UBat = naviData.UBat;
                    init_cosd(naviData.UBat);
                }
                                osd_ncmode();
            }
#endif
            rxd_buffer_locked = 0;
        }
        // handle keypress
        if (s1_pressed()) {
            config_menu();
        }
        if (seconds_since_last_data > 2) {
#if FCONLY
            // request data ever 100ms from FC;
            usart1_request_mk_data(0, 'd', 100);
#else
            // request OSD Data from NC every 100ms
            usart1_request_mk_data(1, 'o', 100);
 
            // and disable debug...
            usart1_request_mk_data(0, 'd', 0);
 
                        // reset last time counter
                        seconds_since_last_data = 0;
#endif
        }
    }
#endif
    return 0;
}
 

Rev 502	Rev 507
1	/****************************************************************************	1	/****************************************************************************
2	* Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje *	2	* Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje *
3	* admiralcascade@gmail.com *	3	* admiralcascade@gmail.com *
4	* Project-URL: http://www.mylifesucks.de/oss/c-osd/ *	4	* Project-URL: http://www.mylifesucks.de/oss/c-osd/ *
5	* *	5	* *
6	* This program is free software; you can redistribute it and/or modify *	6	* This program is free software; you can redistribute it and/or modify *
7	* it under the terms of the GNU General Public License as published by *	7	* it under the terms of the GNU General Public License as published by *
8	* the Free Software Foundation; either version 2 of the License. *	8	* the Free Software Foundation; either version 2 of the License. *
9	* *	9	* *
10	* This program is distributed in the hope that it will be useful, *	10	* This program is distributed in the hope that it will be useful, *
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of *	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13	* GNU General Public License for more details. *	13	* GNU General Public License for more details. *
14	* *	14	* *
15	* You should have received a copy of the GNU General Public License *	15	* You should have received a copy of the GNU General Public License *
16	* along with this program; if not, write to the *	16	* along with this program; if not, write to the *
17	* Free Software Foundation, Inc., *	17	* Free Software Foundation, Inc., *
18	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *	18	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19	* *	19	* *
20	* *	20	* *
21	* Credits to: *	21	* Credits to: *
22	* Holger Buss & Ingo Busker from mikrokopter.de for the MK project + SVN *	22	* Holger Buss & Ingo Busker from mikrokopter.de for the MK project + SVN *
23	* Gregor "killagreg" Stobrawa for making the MK code readable *	23	* Gregor "killagreg" Stobrawa for making the MK code readable *
24	* Klaus "akku" Buettner for the hardware *	24	* Klaus "akku" Buettner for the hardware *
25	* Manuel "KeyOz" Schrape for explaining the MK protocol to me *	25	* Manuel "KeyOz" Schrape for explaining the MK protocol to me *
26	****************************************************************************/	26	****************************************************************************/
27		27
28	#include <avr/io.h>	28	#include <avr/io.h>
29	#include <avr/interrupt.h>	29	#include <avr/interrupt.h>
30	#include <util/delay.h>	30	#include <util/delay.h>
31	#include <avr/pgmspace.h>	31	#include <avr/pgmspace.h>
32	#include "main.h"	32	#include "main.h"
33	#include "max7456_software_spi.h"	33	#include "max7456_software_spi.h"
34	#include "usart1.h"	34	#include "usart1.h"
35	#include "osd_helpers.h"	35	#include "osd_helpers.h"
36	#include "config.h"	36	#include "config.h"
37	#include "spi.h"	37	#include "spi.h"
38	#include "buttons.h"	38	#include "buttons.h"
39	#include "ppm.h"	39	#include "ppm.h"
40	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))	40	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))
41	#include "osd_ncmode_default.h"	41	#include "osd_ncmode_default.h"
42	#include "osd_ncmode_minimal.h"	42	#include "osd_ncmode_minimal.h"
43	#include "osd_fcmode_default.h"	43	#include "osd_fcmode_default.h"
44	#endif	44	#endif
45		45
46	/* TODO:	46	/* TODO:
47	* - verifiy correctness of values	47	* - verifiy correctness of values
48	* - clean up code :)	48	* - clean up code :)
49	*/	49	*/
50		50
51		51
52	/* ##########################################################################	52	/* ##########################################################################
53	* global definitions and global vars	53	* global definitions and global vars
54	* ##########################################################################*/	54	* ##########################################################################*/
55		55
56	volatile uint16_t setsReceived = 0;	56	volatile uint16_t setsReceived = 0;
57		57
58	volatile NaviData_t naviData;	58	volatile NaviData_t naviData;
59	volatile DebugOut_t debugData;	59	volatile DebugOut_t debugData;
60		60
61	// cache old vars for blinking attribute, checkup is faster than full	61	// cache old vars for blinking attribute, checkup is faster than full
62	// attribute write each time	62	// attribute write each time
63	volatile uint8_t last_UBat = 255;	63	volatile uint8_t last_UBat = 255;
64	volatile uint8_t last_RC_Quality = 255;	64	volatile uint8_t last_RC_Quality = 255;
65		65
66	// 16bit should be enough, normal LiPos don't last that long	66	// 16bit should be enough, normal LiPos don't last that long
67	volatile uint16_t uptime = 0;	67	volatile uint16_t uptime = 0;
68	volatile uint16_t timer = 0;	68	volatile uint16_t timer = 0;
69		69
70	// remember last time data was received	70	// remember last time data was received
71	volatile uint8_t seconds_since_last_data = 0;	71	volatile uint8_t seconds_since_last_data = 0;
72		72
73	// general PAL\|NTSC distingiusch stuff	73	// general PAL\|NTSC distingiusch stuff
74	uint8_t top_line = 1;	74	uint8_t top_line = 1;
75	uint8_t bottom_line = 14;	75	uint8_t bottom_line = 14;
76		76
77	// battery voltages	77	// battery voltages
78	uint8_t min_voltage = 0;	78	uint8_t min_voltage = 0;
79	uint8_t max_voltage = 0;	79	uint8_t max_voltage = 0;
80		80
81	// Flags	81	// Flags
82	uint8_t COSD_FLAGS = 0, COSD_FLAGS2 = 0;	82	uint8_t COSD_FLAGS = 0, COSD_FLAGS2 = 0;
83		83
84	// stats for after flight	84	// stats for after flight
85	int16_t max_Altimeter = 0;	85	int16_t max_Altimeter = 0;
86	uint8_t min_UBat = 255;	86	uint8_t min_UBat = 255;
87	uint16_t max_GroundSpeed = 0;	87	uint16_t max_GroundSpeed = 0;
88	int16_t max_Distance = 0;	88	int16_t max_Distance = 0;
89	uint16_t max_FlyingTime = 0;	89	uint16_t max_FlyingTime = 0;
90		90
91	// flags from last round to check for changes	91	// flags from last round to check for changes
92	uint8_t old_MKFlags = 0;	92	uint8_t old_MKFlags = 0;
93		93
94	// store stats description in progmem to save space	94	// store stats description in progmem to save space
95	const char stats_item_0[] PROGMEM = "max Altitude:";	95	const char stats_item_0[] PROGMEM = "max Altitude:";
96	const char stats_item_1[] PROGMEM = "max Speed :";	96	const char stats_item_1[] PROGMEM = "max Speed :";
97	const char stats_item_2[] PROGMEM = "max Distance:";	97	const char stats_item_2[] PROGMEM = "max Distance:";
98	const char stats_item_3[] PROGMEM = "min Voltage :";	98	const char stats_item_3[] PROGMEM = "min Voltage :";
99	const char stats_item_4[] PROGMEM = "max Time :";	99	const char stats_item_4[] PROGMEM = "max Time :";
100	const char stats_item_5[] PROGMEM = "longitude :";	100	const char stats_item_5[] PROGMEM = "longitude :";
101	const char stats_item_6[] PROGMEM = "latitude :";	101	const char stats_item_6[] PROGMEM = "latitude :";
102	const char stats_item_7[] PROGMEM = "max current :";	102	const char stats_item_7[] PROGMEM = "max current :";
103	const char *stats_item_pointers[8] PROGMEM = {stats_item_0, stats_item_1, stats_item_2,	103	const char *stats_item_pointers[8] PROGMEM = {stats_item_0, stats_item_1, stats_item_2,
104	stats_item_3, stats_item_4, stats_item_5, stats_item_6, stats_item_7};	104	stats_item_3, stats_item_4, stats_item_5, stats_item_6, stats_item_7};
105		105
106	//char* directions[8] = {"NE", "E ", "SE", "S ", "SW", "W ", "NW", "N "};	106	//char* directions[8] = {"NE", "E ", "SE", "S ", "SW", "W ", "NW", "N "};
107	//char arrowdir[8] = {218, 217, 224, 223, 222, 221, 220, 219};	107	//char arrowdir[8] = {218, 217, 224, 223, 222, 221, 220, 219};
108	const char str_NE[] PROGMEM = "NE";	108	const char str_NE[] PROGMEM = "NE";
109	const char str_E[] PROGMEM = "E ";	109	const char str_E[] PROGMEM = "E ";
110	const char str_SE[] PROGMEM = "SE";	110	const char str_SE[] PROGMEM = "SE";
111	const char str_S[] PROGMEM = "S ";	111	const char str_S[] PROGMEM = "S ";
112	const char str_SW[] PROGMEM = "SW";	112	const char str_SW[] PROGMEM = "SW";
113	const char str_W[] PROGMEM = "W ";	113	const char str_W[] PROGMEM = "W ";
114	const char str_NW[] PROGMEM = "NW";	114	const char str_NW[] PROGMEM = "NW";
115	const char str_N[] PROGMEM = "N ";	115	const char str_N[] PROGMEM = "N ";
116	const char *directions[8] PROGMEM = {	116	const char *directions[8] PROGMEM = {
117	str_NE,	117	str_NE,
118	str_E,	118	str_E,
119	str_SE,	119	str_SE,
120	str_S,	120	str_S,
121	str_SW,	121	str_SW,
122	str_W,	122	str_W,
123	str_NW,	123	str_NW,
124	str_N};	124	str_N};
125		125
126	/* ##########################################################################	126	/* ##########################################################################
127	* Different display mode function pointers	127	* Different display mode function pointers
128	* ##########################################################################*/	128	* ##########################################################################*/
129	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))	129	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))
130	const char str_1[] PROGMEM = "default";	130	const char str_1[] PROGMEM = "default";
131	const char str_2[] PROGMEM = "minimal";	131	const char str_2[] PROGMEM = "minimal";
132		132
133	const displaymode_t ncdisplaymodes[] PROGMEM = {	133	const displaymode_t ncdisplaymodes[] PROGMEM = {
134	{ osd_ncmode_default, (char *)str_1 },	134	{ osd_ncmode_default, (char *)str_1 },
135	{ osd_ncmode_minimal, (char *)str_2 }	135	{ osd_ncmode_minimal, (char *)str_2 }
136	};	136	};
137		137
138	const displaymode_t fcdisplaymodes[] PROGMEM = {	138	const displaymode_t fcdisplaymodes[] PROGMEM = {
139	{ osd_fcmode_default, (char *)str_1 },	139	{ osd_fcmode_default, (char *)str_1 },
140	};	140	};
141		141
142	int (osd_ncmode)(void) = (int()(void)) &osd_ncmode_default;	142	int (osd_ncmode)(void) = (int()(void)) &osd_ncmode_default;
143	int (osd_fcmode)(void) = (int()(void)) &osd_ncmode_default;	143	int (osd_fcmode)(void) = (int()(void)) &osd_ncmode_default;
144	#endif	144	#endif
145		145
146	/* ##########################################################################	146	/* ##########################################################################
147	* Interrupt handler	147	* Interrupt handler
148	* ##########################################################################*/	148	* ##########################################################################*/
149		149
150	/**	150	/**
151	* handler for undefined Interrupts	151	* handler for undefined Interrupts
152	* if not defined AVR will reset in case any unhandled interrupts occur	152	* if not defined AVR will reset in case any unhandled interrupts occur
153	*/	153	*/
154	ISR(__vector_default) {	154	ISR(__vector_default) {
155	asm("nop");	155	asm("nop");
156	}	156	}
157		157
158	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))	158	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))
159	/* ##########################################################################	159	/* ##########################################################################
160	* timer stuff	160	* timer stuff
161	* ##########################################################################*/	161	* ##########################################################################*/
-		162
-		163	static uint8_t delay_spi = 0;
162		164
163	/**	165	/**
164	* timer kicks in every 1000uS ^= 1ms	166	* timer kicks in every 1000uS ^= 1ms
165	*/	167	*/
166	ISR(TIMER0_COMP_vect) {	168	ISR(TIMER0_COMP_vect) {
167	if (!timer--) {	169	if (!timer--) {
168	uptime++;	170	uptime++;
169	timer = 999;	171	timer = 999;
170	seconds_since_last_data++;	172	seconds_since_last_data++;
171	}	173	}
172	// in case there is still some spi data to send do it now	174	// in case there is still some spi data to send do it now
-		175	// delay to give the slave some time to compute values
173	if (spi_ready && icnt) {	176	if (spi_ready && icnt) {
-		177	if (!delay_spi--) {
174	SPDR = *iptr;	178	delay_spi = 8;
-		179	spi_send_next();
-		180	}
175	}	181	}
176	}	182	}
177	#endif // ends !(ALLCHARSDEBUG\|(WRITECHARS != -1))#endif // ends !(ALLCHARSDEBUG\|(WRITECHARS != -1))	183	#endif // ends !(ALLCHARSDEBUG\|(WRITECHARS != -1))#endif // ends !(ALLCHARSDEBUG\|(WRITECHARS != -1))
178		184
179	/* ##########################################################################	185	/* ##########################################################################
180	* MAIN	186	* MAIN
181	* ##########################################################################*/	187	* ##########################################################################*/
182	int main(void) {	188	int main(void) {
183		189
184	// set up FLAGS, compiler should flatten this one	190	// set up FLAGS, compiler should flatten this one
185	COSD_FLAGS = (NTSC << 0);	191	COSD_FLAGS = (NTSC << 0);
186	COSD_FLAGS \|= (HUD << 1);	192	COSD_FLAGS \|= (HUD << 1);
187	COSD_FLAGS \|= (ARTHORIZON << 2);	193	COSD_FLAGS \|= (ARTHORIZON << 2);
188	COSD_FLAGS \|= (BIGVARIO << 3);	194	COSD_FLAGS \|= (BIGVARIO << 3);
189	COSD_FLAGS \|= (STATS << 4);	195	COSD_FLAGS \|= (STATS << 4);
190	COSD_FLAGS \|= (WARNINGS << 5);	196	COSD_FLAGS \|= (WARNINGS << 5);
191		197
192	// set up Atmega162 Ports	198	// set up Atmega162 Ports
193	DDRA \|= (1 << PA1); // PA1 output (/CS)	199	DDRA \|= (1 << PA1); // PA1 output (/CS)
194	MAX_CS_HIGH	200	MAX_CS_HIGH
195	DDRA \|= (1 << PA2); // PA2 output (SDIN)	201	DDRA \|= (1 << PA2); // PA2 output (SDIN)
196	MAX_SDIN_LOW	202	MAX_SDIN_LOW
197	DDRA \|= (1 << PA3); // PA3 output (SCLK)	203	DDRA \|= (1 << PA3); // PA3 output (SCLK)
198	MAX_SCLK_LOW	204	MAX_SCLK_LOW
199	DDRA \|= (1 << PA5); // PA5 output (RESET)	205	DDRA \|= (1 << PA5); // PA5 output (RESET)
200	MAX_RESET_HIGH	206	MAX_RESET_HIGH
201		207
202	DDRC \|= (1 << PC0); // PC0 output (LED1 gn)	208	DDRC \|= (1 << PC0); // PC0 output (LED1 gn)
203	LED1_OFF	209	LED1_OFF
204	DDRC \|= (1 << PC1); // PC1 output (LED2 rt)	210	DDRC \|= (1 << PC1); // PC1 output (LED2 rt)
205	LED2_OFF	211	LED2_OFF
206	DDRC \|= (1 << PC2); // PC2 output (LED3 gn)	212	DDRC \|= (1 << PC2); // PC2 output (LED3 gn)
207	LED3_OFF	213	LED3_OFF
208	DDRC \|= (1 << PC3); // PC3 output (LED4 rt)	214	DDRC \|= (1 << PC3); // PC3 output (LED4 rt)
209	LED4_OFF	215	LED4_OFF
210		216
211	DDRC &= ~(1 << PC4); // PC4 input (MODE)	217	DDRC &= ~(1 << PC4); // PC4 input (MODE)
212	PORTC \|= (1 << PC4); // pullup	218	PORTC \|= (1 << PC4); // pullup
213	DDRC &= ~(1 << PC5); // PC5 input (SET)	219	DDRC &= ~(1 << PC5); // PC5 input (SET)
214	PORTC \|= (1 << PC5); // pullup	220	PORTC \|= (1 << PC5); // pullup
215		221
216	// reset the MAX7456 to be sure any undefined states do no harm	222	// reset the MAX7456 to be sure any undefined states do no harm
217	MAX_RESET_LOW	223	MAX_RESET_LOW
218	MAX_RESET_HIGH	224	MAX_RESET_HIGH
219		225
220	// give the FC/NC and the maxim time to come up	226	// give the FC/NC and the maxim time to come up
221	LED4_ON	227	LED4_ON
222	_delay_ms(2000);	228	_delay_ms(2000);
223	LED4_OFF	229	LED4_OFF
224		230
225	//Pushing NEW chars to the MAX7456	231	//Pushing NEW chars to the MAX7456
226	#if (WRITECHARS != -1)	232	#if (WRITECHARS != -1)
227	// DISABLE display (VM0)	233	// DISABLE display (VM0)
228	spi_send_byte(0x00, 0b00000000);	234	spi_send_byte(0x00, 0b00000000);
229	#include "characters.c"	235	#include "characters.c"
230	#else	236	#else
231	// read out config for NTSC/PAL distinguishing	237	// read out config for NTSC/PAL distinguishing
232	get_eeprom(0);	238	get_eeprom(0);
233	#endif	239	#endif
234		240
235	// Setup Video Mode	241	// Setup Video Mode
236	if (COSD_FLAGS & COSD_FLAG_NTSC) {	242	if (COSD_FLAGS & COSD_FLAG_NTSC) {
237	// NTSC + enable display immediately (VM0)	243	// NTSC + enable display immediately (VM0)
238	spi_send_byte(0x00, 0b00001000);	244	spi_send_byte(0x00, 0b00001000);
239		245
240	bottom_line = 12;	246	bottom_line = 12;
241	} else {	247	} else {
242	// PAL + enable display immediately (VM0)	248	// PAL + enable display immediately (VM0)
243	spi_send_byte(0x00, 0b01001000);	249	spi_send_byte(0x00, 0b01001000);
244		250
245	bottom_line = 14;	251	bottom_line = 14;
246	}	252	}
247		253
248	/*// clear all display-mem (DMM)	254	/*// clear all display-mem (DMM)
249	spi_send_byte(0x04, 0b00000100);	255	spi_send_byte(0x04, 0b00000100);
250		256
251	// clearing takes 12uS according to maxim so lets wait longer	257	// clearing takes 12uS according to maxim so lets wait longer
252	_delay_us(120);	258	_delay_us(120);
253		259
254	// 8bit mode	260	// 8bit mode
255	spi_send_byte(0x04, 0b01000000);*/	261	spi_send_byte(0x04, 0b01000000);*/
256		262
257	// clear display memory and set to 8bit mode	263	// clear display memory and set to 8bit mode
258	clear();	264	clear();
259		265
260	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))	266	#if !(ALLCHARSDEBUG\|(WRITECHARS != -1))
261	// init usart	267	// init usart
262	usart1_init();	268	usart1_init();
263		269
264	// set up timer	270	// set up timer
265	// CTC, Prescaler /64	271	// CTC, Prescaler /64
266	TCCR0 = (1 << WGM01) \| (0 << WGM00) \| (0 << CS02) \| (1 << CS01) \| (1 << CS00);	272	TCCR0 = (1 << WGM01) \| (0 << WGM00) \| (0 << CS02) \| (1 << CS01) \| (1 << CS00);
267		273
268	TCNT0 = 0;	274	TCNT0 = 0;
269	OCR0 = 250;	275	OCR0 = 250;
270		276
271	// enable timer output compare interrupt	277	// enable timer output compare interrupt
272	TIMSK &= ~(1 << TOIE0);	278	TIMSK &= ~(1 << TOIE0);
273	TIMSK \|= (1 << OCIE0);	279	TIMSK \|= (1 << OCIE0);
274		280
275	// SPI setup	281	// SPI setup
276	DDRD \|= (1 << PD2); // PD2 output (INT0)	282	DDRD \|= (1 << PD2); // PD2 output (INT0)
277	SpiMasterInit();	283	SpiMasterInit();
278		284
279	// PPM detection setup	285	// PPM detection setup
280	ppm_init();	286	ppm_init();
281		287
282	// enable interrupts	288	// enable interrupts
283		289
284	sei();	290	sei();
285	#endif	291	#endif
286		292
287	//write_ascii_string(2, 7, " CaScAdE ");	293	//write_ascii_string(2, 7, " CaScAdE ");
288	//write_ascii_string(2, 8, "is TESTING his open source");	294	//write_ascii_string(2, 8, "is TESTING his open source");
289	//write_ascii_string(2, 9, " EPi OSD Firmware");	295	//write_ascii_string(2, 9, " EPi OSD Firmware");
290		296
291	// we are ready	297	// we are ready
292	LED3_ON	298	LED3_ON
293		299
294	#if ALLCHARSDEBUG \| (WRITECHARS != -1)	300	#if ALLCHARSDEBUG \| (WRITECHARS != -1)
295	clear();	301	clear();
296	write_all_chars();	302	write_all_chars();
297	LED1_ON	303	LED1_ON
298	LED2_ON	304	LED2_ON
299	LED3_ON	305	LED3_ON
300	LED4_ON	306	LED4_ON
301	#else	307	#else
302		308
303	// clear serial screen	309	// clear serial screen
304	//usart1_puts("\x1B[2J\x1B[H");	310	//usart1_puts("\x1B[2J\x1B[H");
305	//usart1_puts("hello world!123\r\n");	311	//usart1_puts("hello world!123\r\n");
306		312
307	#if FCONLY	313	#if FCONLY
308	// request data ever 100ms from FC;	314	// request data ever 100ms from FC;
309	usart1_request_mk_data(0, 'd', 100);	315	usart1_request_mk_data(0, 'd', 100);
310	#else	316	#else
311	// request OSD Data from NC every 100ms	317	// request OSD Data from NC every 100ms
312	usart1_request_mk_data(1, 'o', 100);	318	usart1_request_mk_data(1, 'o', 100);
313		319
314	// and disable debug...	320	// and disable debug...
315	usart1_request_mk_data(0, 'd', 0);	321	usart1_request_mk_data(0, 'd', 0);
316	#endif	322	#endif
317		323
318	while (1) {	324	while (1) {
319	// in case SPI is ready and there is nothing to send right now	325	// in case SPI is ready and there is nothing to send right now
320	if (!icnt && spi_ready) {	326	if (!icnt && spi_ready) {
321	// correct transfer ends with d (done)	327	// correct transfer ends with d (done)
322	if (spi_cmd_buffer[0] == 'd') {	328	if (SPI_buffer.buffer.chk == 'd') {
323	ampere = spi_cmd_buffer[1] << 8;	-
324	ampere \|= spi_cmd_buffer[2];	-
325	ampere_wasted = spi_cmd_buffer[3];	-
326	ampere_wasted = ampere_wasted << 8;	-
327	ampere_wasted \|= spi_cmd_buffer[4];	-
328	ampere_wasted = ampere_wasted << 8;	329	ampere = SPI_buffer.data.ampere;
329	ampere_wasted \|= spi_cmd_buffer[5];	330	ampere_wasted = SPI_buffer.data.mah;
330	ampere_wasted = ampere_wasted << 8;	-
331	ampere_wasted \|= spi_cmd_buffer[6];	331	s_volt = SPI_buffer.data.volt;
332	//ampere = ((int16_t ) spi_cmd_buffer + 1);	-
333	//ampere_wasted = ((int32_t ) &spi_cmd_buffer + 3);	-
-		332
334	// if this is the first receival we should print the small A	333	// if this is the first receival we should print the small A
335	if (!(COSD_FLAGS2 & COSD_FLAG_STROMREC)) {	334	if (!(COSD_FLAGS2 & COSD_FLAG_STROMREC)) {
336	clear();	335	clear();
337	COSD_FLAGS2 &= ~COSD_ICONS_WRITTEN;	336	COSD_FLAGS2 &= ~COSD_ICONS_WRITTEN;
338	// update this flag	337	// update this flag
339	COSD_FLAGS2 \|= COSD_FLAG_STROMREC;	338	COSD_FLAGS2 \|= COSD_FLAG_STROMREC;
340	}	339	}
341	//write_ascii_char(8+4*30, 'v'); // valid	-
342	} else {	340	} else {
343	// update flags	341	// update flags
344	COSD_FLAGS2 &= ~COSD_FLAG_STROMREC;	342	COSD_FLAGS2 &= ~COSD_FLAG_STROMREC;
345	//write_ascii_char(8+4*30, 'i'); // invalid	-
346	}	343	}
347	spi_cmd_buffer[0] = 'A';	-
348	spi_cmd_buffer[1] = 'B';	-
349	spi_cmd_buffer[2] = 'C';	-
350	spi_cmd_buffer[3] = 'D';	344	StartTransfer(9);
351	spi_cmd_buffer[4] = 'E';	-
352	spi_cmd_buffer[5] = 'F';	-
353	spi_cmd_buffer[6] = 'G';	-
354	StartTransfer((unsigned char*) spi_cmd_buffer, 7);	-
355	}	345	}
356	if (rxd_buffer_locked) {	346	if (rxd_buffer_locked) {
357	#if FCONLY	347	#if FCONLY
358	if (rxd_buffer[2] == 'D') { // FC Data	348	if (rxd_buffer[2] == 'D') { // FC Data
359	Decode64();	349	Decode64();
360	debugData = ((DebugOut_t) pRxData);	350	debugData = ((DebugOut_t) pRxData);
361		351
362	// init on first data retrival, distinguished by last battery :)	352	// init on first data retrival, distinguished by last battery :)
363	if (last_UBat == 255) {	353	if (last_UBat == 255) {
364	// fix for min_UBat	354	// fix for min_UBat
365	min_UBat = debugData.Analog[9];	355	min_UBat = debugData.Analog[9];
366	init_cosd(debugData.Analog[9]);	356	init_cosd(debugData.Analog[9]);
367	}	357	}
368	osd_fcmode();	358	osd_fcmode();
369	}	359	}
370	#else	360	#else
371	if (rxd_buffer[2] == 'O') { // NC OSD Data	361	if (rxd_buffer[2] == 'O') { // NC OSD Data
372	Decode64();	362	Decode64();
373	naviData = ((NaviData_t) pRxData);	363	naviData = ((NaviData_t) pRxData);
374		364
375	// init on first data retrival, distinguished by last battery :)	365	// init on first data retrival, distinguished by last battery :)
376	if (last_UBat == 255) {	366	if (last_UBat == 255) {
377	// fix for min_UBat	367	// fix for min_UBat
378	min_UBat = naviData.UBat;	368	min_UBat = naviData.UBat;
379	init_cosd(naviData.UBat);	369	init_cosd(naviData.UBat);
380	}	370	}
381	osd_ncmode();	371	osd_ncmode();
382	}	372	}
383	#endif	373	#endif
384	rxd_buffer_locked = 0;	374	rxd_buffer_locked = 0;
385	}	375	}
386	// handle keypress	376	// handle keypress
387	if (s1_pressed()) {	377	if (s1_pressed()) {
388	config_menu();	378	config_menu();
389	}	379	}
390	if (seconds_since_last_data > 2) {	380	if (seconds_since_last_data > 2) {
391	#if FCONLY	381	#if FCONLY
392	// request data ever 100ms from FC;	382	// request data ever 100ms from FC;
393	usart1_request_mk_data(0, 'd', 100);	383	usart1_request_mk_data(0, 'd', 100);
394	#else	384	#else
395	// request OSD Data from NC every 100ms	385	// request OSD Data from NC every 100ms
396	usart1_request_mk_data(1, 'o', 100);	386	usart1_request_mk_data(1, 'o', 100);
397		387
398	// and disable debug...	388	// and disable debug...
399	usart1_request_mk_data(0, 'd', 0);	389	usart1_request_mk_data(0, 'd', 0);
400		390
401	// reset last time counter	391	// reset last time counter
402	seconds_since_last_data = 0;	392	seconds_since_last_data = 0;
403	#endif	393	#endif
404	}	394	}
405	}	395	}
406	#endif	396	#endif
407	return 0;	397	return 0;
408	}	398	}
409		399

Subversion Repositories Projects

(root)/C-OSD/trunk/main.c @ 477 - Rev 502 → 507