You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
319 lines
8.7 KiB
319 lines
8.7 KiB
/*
|
|
* Transmits CubeSat Telemetry at 440MHz in AO-7 format
|
|
*
|
|
* Copyright Alan B. Johnston
|
|
*
|
|
* Portions Copyright (C) 2018 Jonathan Brandenburg
|
|
*
|
|
* 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
//#include <unistd.h> //Needed for I2C port
|
|
#include <fcntl.h> //Needed for I2C port
|
|
//#include <sys/ioctl.h> //Needed for I2C port
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include "status.h"
|
|
#include "ax5043.h"
|
|
#include "ax25.h"
|
|
#include "spi/ax5043spi.h"
|
|
#include <wiringPiI2C.h>
|
|
#include <time.h>
|
|
|
|
// Put your callsign here
|
|
#define CALLSIGN "KU2Y"
|
|
#define VBATT 15
|
|
#define ADC5 17
|
|
#define ADC6 18
|
|
#define ADC7 19
|
|
#define ADC8 20
|
|
#define TIME 8
|
|
#define UCTEMP 30
|
|
#define UPTIME_SEC 8
|
|
#define A 1
|
|
#define B 2
|
|
#define C 3
|
|
#define D 4
|
|
|
|
#define SENSOR_40 0
|
|
#define SENSOR_41 3
|
|
#define SENSOR_44 6
|
|
#define SENSOR_45 9
|
|
#define SENSOR_4A 12
|
|
#define VOLTAGE 0
|
|
#define CURRENT 1
|
|
#define POWER 2
|
|
#define VBATT 15
|
|
|
|
ax5043_conf_t hax5043;
|
|
ax25_conf_t hax25;
|
|
|
|
static void init_rf();
|
|
int get_tlm(int tlm[][5]);
|
|
long int timestamp;
|
|
void config_x25();
|
|
void trans_x25();
|
|
//long int timestamp;
|
|
int tempSensor;
|
|
|
|
int upper_digit(int number);
|
|
int lower_digit(int number);
|
|
int charging = 0;
|
|
|
|
uint16_t config = (0x2000 | 0x1800 | 0x0180 | 0x0018 | 0x0007 );
|
|
|
|
int main(void) {
|
|
|
|
// sleep(20);
|
|
|
|
int tlm[7][5];
|
|
int i, j;
|
|
for (i = 1; i < 7; i++) {
|
|
for (j = 1; j < 5; j++) {
|
|
tlm[i][j] = 0;
|
|
}
|
|
}
|
|
timestamp = time(NULL);
|
|
|
|
int file_i2c;
|
|
//char *filenam1e = (char*)"/dev/i2c-3";
|
|
if ((file_i2c = open("/dev/i2c-3", O_RDWR)) < 0)
|
|
{
|
|
printf("ERROR: /dev/ic2-3 bus not present\n");
|
|
tempSensor = -1;
|
|
} else
|
|
{
|
|
tempSensor = wiringPiI2CSetupInterface("/dev/i2c-3", 0x48);
|
|
}
|
|
|
|
printf("tempSensor: %d \n",tempSensor);
|
|
|
|
int arduinoI2C = wiringPiI2CSetupInterface("/dev/i2c-0", 0x4c);
|
|
printf("Arduio write: %d \n", wiringPiI2CWrite(arduinoI2C,42));
|
|
printf("Arduio: %d \n", wiringPiI2CRead(arduinoI2C));
|
|
|
|
setSpiChannel(SPI_CHANNEL);
|
|
setSpiSpeed(SPI_SPEED);
|
|
initializeSpi();
|
|
|
|
int ret;
|
|
uint8_t data[1024];
|
|
|
|
init_rf();
|
|
|
|
// ax25_init(&hax25, (uint8_t *) "CubeSatSim", '2', (uint8_t *) CALLSIGN, '2',
|
|
ax25_init(&hax25, (uint8_t *) "CubeSatSim", '1', (uint8_t *) CALLSIGN, '1',
|
|
AX25_PREAMBLE_LEN,
|
|
AX25_POSTAMBLE_LEN);
|
|
|
|
|
|
/* Infinite loop */
|
|
for (;;) {
|
|
sleep(2);
|
|
|
|
// send X.25 packet
|
|
|
|
// init_rf();
|
|
|
|
// ax25_init(&hax25, (uint8_t *) "CQ", '2', (uint8_t *) "DX", '2',
|
|
// AX25_PREAMBLE_LEN,
|
|
// AX25_POSTAMBLE_LEN);
|
|
|
|
printf("INFO: Getting TLM Data\n");
|
|
|
|
get_tlm(tlm);
|
|
|
|
printf("INFO: Preparing X.25 packet\n");
|
|
|
|
char str[1000];
|
|
char tlm_str[1000];
|
|
|
|
char header_str[] = "\x03\x0fhi hi ";
|
|
strcpy(str, header_str);
|
|
|
|
int channel;
|
|
for (channel = 1; channel < 7; channel++) {
|
|
// printf("%d %d %d %d \n", tlm[channel][1], tlm[channel][2], tlm[channel][3], tlm[channel][4]);
|
|
sprintf(tlm_str, "%d%d%d %d%d%d %d%d%d %d%d%d ",
|
|
channel, upper_digit(tlm[channel][1]), lower_digit(tlm[channel][1]),
|
|
channel, upper_digit(tlm[channel][2]), lower_digit(tlm[channel][2]),
|
|
channel, upper_digit(tlm[channel][3]), lower_digit(tlm[channel][3]),
|
|
channel, upper_digit(tlm[channel][4]), lower_digit(tlm[channel][4]));
|
|
// printf("%s \n",tlm_str);
|
|
strcat(str, tlm_str);
|
|
}
|
|
|
|
char cmdbuffer[1000];
|
|
|
|
if (charging) {
|
|
FILE* file1 = popen("/home/pi/mopower/mpcmd LED_STAT=1", "r");
|
|
fgets(cmdbuffer, 1000, file1);
|
|
pclose(file1);
|
|
|
|
// printf("LED state: %s\n", cmdbuffer);
|
|
}
|
|
printf("INFO: Transmitting X.25 packet\n");
|
|
|
|
memcpy(data, str, strnlen(str, 256));
|
|
ret = ax25_tx_frame(&hax25, &hax5043, data, strnlen(str, 256));
|
|
if (ret) {
|
|
fprintf(stderr,
|
|
"ERROR: Failed to transmit AX.25 frame with error code %d\n",
|
|
ret);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
ax5043_wait_for_transmit();
|
|
FILE* file2 = popen("/home/pi/mopower/mpcmd LED_STAT=0", "r");
|
|
fgets(cmdbuffer, 1000, file2);
|
|
pclose(file2);
|
|
|
|
// printf("LED state: %s\n", cmdbuffer);
|
|
|
|
if (ret) {
|
|
fprintf(stderr,
|
|
"ERROR: Failed to transmit entire AX.25 frame with error code %d\n",
|
|
ret);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void init_rf() {
|
|
int ret;
|
|
ret = ax5043_init(&hax5043, XTAL_FREQ_HZ, VCO_INTERNAL);
|
|
if (ret != PQWS_SUCCESS) {
|
|
fprintf(stderr,
|
|
"ERROR: Failed to initialize AX5043 with error code %d\n", ret);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
// Returns lower digit of a number which must be less than 99
|
|
//
|
|
int lower_digit(int number) {
|
|
|
|
int digit = 0;
|
|
if (number < 100)
|
|
digit = number - ((int)(number/10) * 10);
|
|
else
|
|
printf("ERROR: Not a digit in lower_digit!\n");
|
|
return digit;
|
|
}
|
|
|
|
// Returns upper digit of a number which must be less than 99
|
|
//
|
|
int upper_digit(int number) {
|
|
|
|
int digit = 0;
|
|
if (number < 100)
|
|
digit = (int)(number/10);
|
|
else
|
|
printf("ERROR: Not a digit in upper_digit!\n");
|
|
return digit;
|
|
}
|
|
int get_tlm(int tlm[][5]) {
|
|
|
|
// Reading I2C voltage and current sensors
|
|
|
|
char cmdbuffer[1000];
|
|
FILE* file = popen("sudo python /home/pi/CubeSatSim/python/readcurrent.py 2>&1", "r");
|
|
fgets(cmdbuffer, 1000, file);
|
|
pclose(file);
|
|
printf("I2C Sensor data: %s\n", cmdbuffer);
|
|
|
|
char ina219[16][20]; // voltage, currents, and power from the INA219 current sensors x4a, x40, x41, x44, and x45.
|
|
int i = 0;
|
|
char * data2 = strtok (cmdbuffer," ");
|
|
|
|
while (data2 != NULL) {
|
|
strcpy(ina219[i], data2);
|
|
// printf ("ina219[%d]=%s\n",i,ina219[i]);
|
|
data2 = strtok (NULL, " ");
|
|
i++;
|
|
}
|
|
|
|
// Reading MoPower telemetry info
|
|
|
|
file = popen("/home/pi/mopower/mpcmd show data", "r");
|
|
fgets(cmdbuffer, 1000, file);
|
|
pclose(file);
|
|
// printf("MoPower data: %s\n", cmdbuffer);
|
|
|
|
char mopower[64][14];
|
|
// char str[] ="- This, a sample string.";
|
|
char * pch;
|
|
// printf ("Splitting string \"%s\" into tokens:\n",str);
|
|
// pch = strtok (str," ");
|
|
i = 0;
|
|
pch = strtok (cmdbuffer," ,.-");
|
|
while (pch != NULL)
|
|
{
|
|
strcpy(mopower[i], pch);
|
|
// printf ("mopwer[%d]=%s\n",i,mopower[i]); // pch);
|
|
pch = strtok (NULL, " ");
|
|
i++;
|
|
}
|
|
printf("Battery voltage = %s\n", mopower[16]);
|
|
if (strtof(mopower[17],NULL) > -0.5) {
|
|
charging = 1;
|
|
printf("Charging on\n");
|
|
}
|
|
else {
|
|
charging = 0;
|
|
printf("Charging off\n");
|
|
|
|
}
|
|
|
|
// printf("1B: ina219[%d]: %s val: %f \n", SENSOR_40 + CURRENT, ina219[SENSOR_40 + CURRENT], strtof(ina219[SENSOR_40 + CURRENT], NULL));
|
|
|
|
tlm[1][A] = (int)(strtof(ina219[SENSOR_4A + CURRENT], NULL) / 15 + 0.5) % 100; // Current of 5V supply to Pi
|
|
tlm[1][B] = (int) (99.5 - strtof(ina219[SENSOR_40 + CURRENT], NULL)/10) % 100; // +X current [4]
|
|
tlm[1][D] = (int) (99.5 - strtof(ina219[SENSOR_41 + CURRENT], NULL)/10) % 100; // +Y current [7]
|
|
tlm[1][C] = (int) (99.5 - strtof(ina219[SENSOR_44 + CURRENT], NULL)/10) % 100; // +Z current [10] (actually -X current, AO-7 didn't have a Z solar panel?)
|
|
|
|
tlm[2][A] = 99;
|
|
tlm[2][C] = (int)((time(NULL) - timestamp) / 15) % 100;
|
|
tlm[2][D] = (int)(50.5 + strtof(ina219[SENSOR_45 + CURRENT], NULL)/10.0) % 100; // NiMH Battery current
|
|
|
|
tlm[3][A] = abs((int)((strtof(ina219[SENSOR_45 + VOLTAGE], NULL) * 10) - 65.5) % 100);
|
|
tlm[3][B] = (int)(strtof(ina219[SENSOR_4A + VOLTAGE], NULL) * 10.0) % 100; // 5V supply to Pi
|
|
|
|
if (tempSensor != -1) {
|
|
int tempValue = wiringPiI2CReadReg16(tempSensor, 0);
|
|
// printf("Read: %x\n", tempValue);
|
|
uint8_t upper = (uint8_t) (tempValue >> 8);
|
|
uint8_t lower = (uint8_t) (tempValue & 0xff);
|
|
float temp = (float)lower + ((float)upper / 0x100);
|
|
|
|
tlm[4][A] = (int)((95.8 - temp)/1.48 + 0.5) % 100;
|
|
}
|
|
tlm[6][B] = 0 ;
|
|
tlm[6][D] = 49 + rand() % 3;
|
|
|
|
// Display tlm
|
|
int k, j;
|
|
for (k = 1; k < 7; k++) {
|
|
for (j = 1; j < 5; j++) {
|
|
printf(" %2d ", tlm[k][j]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
return 0;
|
|
}
|