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CubeSatSim
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Merge pull request #360 from alanbjohnston/fc-jy-img

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Add FunCube image transmission
fc-fctelem
Alan Johnston 11 months ago committed by GitHub
parent 1b114b4541 ea1448b6cf
commit 11e4bbb597
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GPG Key ID: B5690EEEBB952194
5 changed files with 292 additions and 82 deletions
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4
install
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@ -125,6 +125,10 @@ cd rpitx
cd
git clone https://github.com/alanbjohnston/ssdv.git # install ssdv for FunCube images
cd ssdv
make
cd
sudo cp ~/CubeSatSim/systemd/cubesatsim.service /etc/systemd/system/cubesatsim.service

257
main.c
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@ -18,7 +18,7 @@
* 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 "main.h"
//#define HAB // uncomment to change APRS icon from Satellite to Balloon and only BAT telemetry
@ -414,16 +414,17 @@ int main(int argc, char * argv[]) {
batt = rnd_float(3.8, 4.3);
speed = rnd_float(1.0, 2.5);
eclipse = (rnd_float(-1, +4) > 0) ? 1.0 : 0.0;
// eclipse = 1;
period = rnd_float(150, 300);
tempS = rnd_float(20, 55);
temp_max = rnd_float(50, 70);
temp_min = rnd_float(10, 20);
#ifdef DEBUG_LOGGING
// #ifdef DEBUG_LOGGING
for (int i = 0; i < 3; i++)
printf("axis: %f angle: %f v: %f i: %f \n", axis[i], angle[i], volts_max[i], amps_max[i]);
printf("batt: %f speed: %f eclipse_time: %f eclipse: %f period: %f temp: %f max: %f min: %f\n", batt, speed, eclipse_time, eclipse, period, tempS, temp_max, temp_min);
#endif
// #endif
time_start = (long int) millis();
@ -525,7 +526,10 @@ int main(int argc, char * argv[]) {
sin_samples = S_RATE/freq_Hz;
for (int j = 0; j < sin_samples; j++) {
sin_map[j] = (short int)(amplitude * sin((float)(2 * M_PI * j / sin_samples)));
sin_map[j] = (short int)(amplitude * sin((float)(2 * M_PI * j / sin_samples)));
FILE * delete_image = popen("sudo rm /home/pi/CubeSatSim/image_file.bin", "r"); // delete any previous camera images
pclose(delete_image);
}
printf("\n");
}
@ -743,7 +747,7 @@ int main(int argc, char * argv[]) {
double Yv = eclipse * volts_max[1] * (float) sin((2.0 * 3.14 * time / (46.0 * speed)) + (3.14 / 2.0)) + rnd_float(-0.2, 0.2);
double Zv = 2.0 * eclipse * volts_max[2] * (float) sin((2.0 * 3.14 * time / (46.0 * speed)) + 3.14 + angle[2]) + rnd_float(-0.2, 0.2);
// printf("Yi: %f Zi: %f %f %f Zv: %f \n", Yi, Zi, amps_max[2], angle[2], Zv);
printf("Yi: %f Zi: %f %f %f Zv: %f \n", Yi, Zi, amps_max[2], angle[2], Zv);
current[map[PLUS_X]] = (Xi >= 0) ? Xi : 0;
current[map[MINUS_X]] = (Xi >= 0) ? 0 : ((-1.0f) * Xi);
@ -1760,7 +1764,7 @@ void get_tlm_fox() {
// printf("\ctr/samples = %d ctr/(samples*10) = %d\n\n", ctr/samples, ctr/(samples*10));
#endif
int error = 0;
//int error = 0;
// int count;
// for (count = 0; count < dataLen; count++) {
// printf("%02X", b[count]);
@ -1769,6 +1773,8 @@ void get_tlm_fox() {
// socket write
socket_send(ctr);
/*
if (!socket_open && transmit) {
printf("Opening socket!\n");
// struct sockaddr_in address;
@ -1857,6 +1863,7 @@ void get_tlm_fox() {
sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
// printf("socket send 2 %d ms bytes: %d \n\n", millis() - start, sock_ret);
}
*/
loop_count++;
if ((firstTime == 1) || (((loop_count % 180) == 0) && (mode == FSK)) || (((loop_count % 80) == 0) && (mode == BPSK))) // do first time and was every 180 samples
@ -1877,41 +1884,42 @@ void get_tlm_fox() {
for (int times = 0; times < max; times++)
{
start = millis(); // send frame until buffer fills
sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
/// start = millis(); // send frame until buffer fills
socket_send(ctr);
/// sock_ret = send(sock, buffer, (unsigned int)(ctr * 2 + 2), 0);
// printf("socket send %d in %d ms bytes: %d \n\n",times + 2, (unsigned int)millis() - start, sock_ret);
if ((millis() - start) > 500) {
printf("Buffer over filled!\n");
break;
}
/// if ((millis() - start) > 500) {
/// printf("Buffer over filled!\n");
/// break;
/// }
if (sock_ret < (ctr * 2 + 2)) {
/// if (sock_ret < (ctr * 2 + 2)) {
// printf("Not resending\n");
sleep(0.5);
sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
printf("socket resend %d in %d ms bytes: %d \n\n",times, millis() - start, sock_ret);
}
/// sleep(0.5);
/// sock_ret = send(sock, &buffer[sock_ret], (unsigned int)(ctr * 2 + 2 - sock_ret), 0);
/// printf("socket resend %d in %d ms bytes: %d \n\n",times, millis() - start, sock_ret);
/// }
}
sampleTime = (unsigned int) millis(); // resetting time for sleeping
fflush(stdout);
// fflush(stdout);
// if (firstTime == 1)
// max -= 1;
}
if (sock_ret == -1) {
printf("Error: %s \n", strerror(errno));
socket_open = 0;
/// if (sock_ret == -1) {
/// printf("Error: %s \n", strerror(errno));
/// socket_open = 0;
//transmitStatus = -1;
}
}
/// }
/// }
if (!transmit) {
fprintf(stderr, "\nNo CubeSatSim Band Pass Filter detected. No transmissions after the CW ID.\n");
fprintf(stderr, " See http://cubesatsim.org/wiki for info about building a CubeSatSim\n\n");
}
if (socket_open == 1)
firstTime = 0;
/// if (socket_open == 1)
/// firstTime = 0;
// else if (frames_sent > 0) //5)
// firstTime = 0;
@ -2289,12 +2297,14 @@ if (setting == ON) {
return;
}
void get_tlm_fc() {
void get_tlm_fc() { // FunCube Mode telemetry generation
//# define FC_EM
#define JY_1
/* create data, stream, and waveform buffers */
unsigned char source_bytes[256];
// unsigned char encoded_bytes[650];
int byte_count = 256;
/* write telemetry into data buffer */
@ -2303,12 +2313,139 @@ void get_tlm_fc() {
// printf("\nSYMPBLOCK = %d\n", SYMPBLOCK);
memset(source_bytes, 0x00, sizeof(source_bytes));
source_bytes[0] = 0b00000001 ; // 10100000 10000001 01000001 10000001 10000001
// source_bytes[1] = 0b10000010 ;
#ifdef FC_EM
source_bytes[0] = 0b00000001 ; // Sat Id is FunCube-EM
#endif
#ifdef JY_1
// source_bytes[0] = 0b11000001 ; // Sat Id is extended, Frame 2 (RT2 + WO2)
source_bytes[0] = 0xE0 | 0x20 | 0x00; // 1; // Sat Id is extended, Frame 34 (RT2 + IMG2)
source_bytes[0] = source_bytes[0] | ( 0x01 & (uint8_t)(sequence % 2)); // alternate last bit for RT1, RT2.
// source_bytes[1] = 0x08 ; // extended Nayify - works per code
source_bytes[1] = 0x10 ; // extended JY-1 - works, no documentation
int extended = 1;
// if (sequence > 10) {
if (image_file == NULL) {
image_file = fopen("/home/pi/CubeSatSim/image_file.bin", "r");
image_id++;
printf("Opening file image_file.bin for image_id: %d\n", image_id);
}
// }
int pos = FC_PAYLOAD + extended;
int value;
if (image_file != NULL) {
printf("Writing image data to payload\n");
while ((pos < 256) && ((value = getc(image_file)) != EOF)) {
source_bytes[pos++] = value;
// printf("%2x ", value);
}
if (value == EOF) {
image_file = NULL;
printf("End of file reached! Delete image_file.bin");
FILE * delete_image = popen("sudo rm /home/pi/CubeSatSim/image_file.bin", "r");
pclose(delete_image);
}
}
#endif
// printf("Volts: %f %f %f %f \n", voltage[map[BAT]], voltage[map[PLUS_X]] , voltage[map[PLUS_Y]], voltage[map[PLUS_Z]]);
// printf("AmpsPlus: %f %f %f %f \n", current[map[BAT]], current[map[PLUS_X]] , current[map[PLUS_Y]], current[map[PLUS_Z]]);
// printf("AmpsMinus: %f %f %f %f \n", current[map[BAT2]], current[map[MINUS_X]] , current[map[MINUS_Y]], current[map[MINUS_Z]]);
float xmax = (voltage[map[PLUS_X]] > voltage[map[MINUS_X]]) ? voltage[map[PLUS_X]] : voltage[map[MINUS_X]];
float ymax = (voltage[map[PLUS_Y]] > voltage[map[MINUS_Y]]) ? voltage[map[PLUS_Y]] : voltage[map[MINUS_Y]];
float zmax = (voltage[map[PLUS_Z]] > voltage[map[MINUS_Z]]) ? voltage[map[PLUS_Z]] : voltage[map[MINUS_Z]];
// printf("Vmax: %f %f %f \n", xmax, ymax, zmax);
uint16_t x = (uint16_t)(xmax * 1000) & 0x3fff; // 14 bits
uint16_t y = (uint16_t)(ymax * 1000) & 0x3fff;
uint16_t z = (uint16_t)(zmax * 1000) & 0x3fff;
uint16_t b = (uint16_t)(voltage[map[BAT]] * 1000) & 0x3fff;
uint16_t ix = (uint16_t)((current[map[PLUS_X]] + current[map[MINUS_X]])) & 0x3ff; // 10 bits
uint16_t iy = (uint16_t)((current[map[PLUS_Y]] + current[map[MINUS_Y]])) & 0x3ff;
uint16_t iz = (uint16_t)((current[map[PLUS_Z]] + current[map[MINUS_Z]])) & 0x3ff;
uint16_t ic = 0;
uint16_t ib = 0;
if (current[map[BAT]] < 0 )
ic = (uint16_t)(current[map[BAT]] * (-1)) & 0x3ff; // charging current
else
ib = (uint16_t)(current[map[BAT]]) & 0x3ff; // supplying current
// printf("X %x Y %x Z %x B %x\n", x, y, z, b);
// printf("iX %x iY %x iZ %x iB %x iC\n", ix, iy, iz, ib, ic);
#ifdef JY_1
source_bytes[extended + FC_EPS + 0] = 0xff & (x >> 6); // Vx
source_bytes[extended + FC_EPS + 1] = 0xfc & (x << 2);
source_bytes[extended + FC_EPS + 1] = source_bytes[extended + FC_EPS + 1] | (0x03 & (y >> 12));
source_bytes[extended + FC_EPS + 2] = 0xff & (y >> 2); // Vy
source_bytes[extended + FC_EPS + 3] = 0xf0 & (y << 4);
source_bytes[extended + FC_EPS + 3] = source_bytes[extended + FC_EPS + 3] | (0x0f & (z >> 10));
source_bytes[extended + FC_EPS + 4] = 0xff & (z >> 2); // Vz
source_bytes[extended + FC_EPS + 5] = 0xc0 & (z << 6);
source_bytes[extended + FC_EPS + 5] = source_bytes[extended + FC_EPS + 5] | (0x3f & (b >> 8));
source_bytes[extended + FC_EPS + 6] = 0xff & (b >> 0); // Vb
source_bytes[extended + FC_EPS + 7] = 0xff & (ix >> 2); // ix
source_bytes[extended + FC_EPS + 8] = 0xc0 & (iy << 6); // iy
source_bytes[extended + FC_EPS + 8] = source_bytes[extended + FC_EPS + 8] | (0x3f & (iy >> 4));
source_bytes[extended + FC_EPS + 9] = 0xf0 & (iy << 4);
source_bytes[extended + FC_EPS + 9] = source_bytes[extended + FC_EPS + 9] | (0x0f & (iz >> 6));
source_bytes[extended + FC_EPS + 10] = 0x3f & (iz << 2); // iz
// printf("Volt: %f Int: %d \n", voltage[map[BAT]], (unsigned int)(voltage[map[BAT]] * 1000));
// printf("Amps: %f Int: %d \n", current[map[BAT]], (unsigned int)(current[map[BAT]] * 1));
source_bytes[extended + FC_EPS + 10] = source_bytes[extended + FC_EPS + 10] | (0x03 & (ic >> 8));
source_bytes[extended + FC_EPS + 11] = 0xff & (ic << 0); // ic battery charging curent
source_bytes[extended + FC_EPS + 12] = 0xff & (ib >> 2); // ib battery discharging current
source_bytes[extended + FC_EPS + 13] = 0xc0 & (ib << 6);
source_bytes[extended + FC_EPS + 13] = source_bytes[extended + FC_EPS + 13] | 0x3f & (((unsigned long int)reset_count) >> 2);
source_bytes[extended + FC_EPS + 14] = 0xff & (((unsigned long int)reset_count) << 6); // reset count
uint8_t temp = (int)(other[IHU_TEMP] + 0.5);
source_bytes[extended + FC_EPS + 17] = source_bytes[extended + FC_EPS + 17] | 0x3f & (temp >> 2); // cpu temp
source_bytes[extended + FC_EPS + 18] = 0xff & (temp << 6);
source_bytes[extended + 48] = 0x0c; // Antenna 1 and 2 deployed
source_bytes[extended + 49] = 0xff & ((unsigned long int)sequence >> 16); // sequence number
source_bytes[extended + 50] = 0xff & ((unsigned long int)sequence >> 8);
source_bytes[extended + 51] = 0xff & (unsigned long int)sequence++;
uint16_t groundCommandCount = 0;
FILE * command_count_file = fopen("/home/pi/CubeSatSim/command_count.txt", "r");
if (command_count_file != NULL) {
char count_string[10];
if ( (fgets(count_string, 10, command_count_file)) != NULL)
groundCommandCount = (uint16_t) atoi(count_string);
} else
printf("Error opening command_count.txt!\n");
fclose(command_count_file);
// source_bytes[extended + 52] = 0xfc & (groundCommandCount << 2); // command doesn't work
source_bytes[extended + 53] = 0x0f; // SW valid
source_bytes[extended + 54] = 0xe0; // SW valid
if ((ix + iy + iz) < 4)
source_bytes[extended + 54] = source_bytes[extended + 54] | 0x10; // eclipse
if (SafeMode == 1)
source_bytes[extended + 54] = source_bytes[extended + 54] | 0x08; // safe mode
#endif
#ifdef FC_EM
source_bytes[FC_EPS + 0] = 0xff & (((unsigned int)((voltage[map[PLUS_X]] + voltage[map[MINUS_X]]) * 1000) >> 8)); // mV
source_bytes[FC_EPS + 1] = 0xff & ((unsigned int)((voltage[map[PLUS_X]] + voltage[map[MINUS_X]]) * 1000));
source_bytes[FC_EPS + 2] = 0xff & (((unsigned int)((voltage[map[PLUS_Y]] + voltage[map[MINUS_Y]]) * 1000) >> 8)); // mV
@ -2326,13 +2463,17 @@ void get_tlm_fc() {
source_bytes[FC_EPS + 11] = 0xff & ((unsigned int)(current[map[BAT]] * 1));
source_bytes[FC_EPS + 12] = 0xff & (((unsigned long int)reset_count >> 8));
source_bytes[FC_EPS + 13] = 0xff & ((unsigned long int)reset_count);
source_bytes[FC_SW + 0] = 0xff & ((unsigned long int)sequence >> 16); // Sequence number
source_bytes[FC_SW + 1] = 0xff & ((unsigned long int)sequence >> 8);
source_bytes[FC_SW + 2] = 0xff & (unsigned long int)sequence++;
#endif
/**/
printf("\nsource_bytes\n");
for (int i=0; i<256; i++)
printf("%d ", source_bytes[i]);
printf("%x ", source_bytes[i]);
printf("\n\n");
/**/
@ -2395,12 +2536,6 @@ void get_tlm_fc() {
{
write_wave(ctr, buffer);
if ((i % samples) == 0) {
// int symbol = (int)((i - 1) / (samples * 8));
// int bit = 8 - (i - symbol * samples * 8) / samples + 1;
// val = encoded_bytes[symbol];
// data = val & 1 << (bit - 1);
// printf ("%d i: %d new frame %d data10[%d] = %x bit %d = %d \n",
// ctr/SAMPLES, i, frames, symbol, val, bit, (data > 0) );
symbol = i / samples - 1;
// if (i < 100) printf("symbol = %d\n",symbol);
data = encoded_bytes[symbol];
@ -2420,19 +2555,30 @@ void get_tlm_fc() {
// printf("symbol = %d\n",symbol);
// printf("\nctr = %d\n\n", ctr);
// socket_send((((headerLen + syncBits + dataLen) * samples) * 2) + 2);
socket_send(ctr);
if (!transmit) {
fprintf(stderr, "\nNo CubeSatSim Band Pass Filter detected. No transmissions after the CW ID.\n");
fprintf(stderr, " See http://cubesatsim.org/wiki for info about building a CubeSatSim\n\n");
}
int startSleep = millis();
if ((millis() - sampleTime) < ((unsigned int)frameTime)) // - 750 + pi_zero_2_offset))
sleep(1.0);
while ((millis() - sampleTime) < ((unsigned int)frameTime)) // - 750 + pi_zero_2_offset))
sleep(0.1);
printf("Start sleep %d Sleep period: %d while period: %d\n", startSleep, millis() - startSleep, millis() - sampleTime);
sampleTime = (unsigned int) millis(); // resetting time for sleeping
fflush(stdout);
}
/* open socket */
void socket_send(int length) {
printf("Socket_send!\n");
int error = 0;
// int count;
// for (count = 0; count < dataLen; count++) {
// printf("%02X", b[count]);
// }
// printf("\n");
// socket write
if (!socket_open && transmit) {
if (!socket_open && transmit) { // open socket if not open
printf("Opening socket!\n");
// struct sockaddr_in address;
// int valread;
@ -2502,16 +2648,16 @@ void get_tlm_fc() {
/* write waveform buffer over socket */
int length = (((headerLen + syncBits + dataLen) * samples) * 2) + 2; // ctr * 2 + 2 like bpsk due to 2 bytes per sample.
printf("length: %d ctr: %d\n", length, ctr);
// int length = (((headerLen + syncBits + dataLen) * samples) * 2) + 2; // ctr * 2 + 2 like bpsk due to 2 bytes per sample.
length = length * 2 + 2; // convert from samples to bytes
// printf("length in bytes: %d\n", length);
if (!error && transmit) {
// digitalWrite (0, LOW);
// printf("Sending %d buffer bytes over socket after %d ms!\n", ctr, (long unsigned int)millis() - start);
start = millis();
int sock_ret = send(sock, buffer, length, 0);
// printf("socket send 1 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
// fflush(stdout);
printf("socket send 1 %d ms bytes: %d \n\n", (unsigned int)millis() - start, sock_ret);
fflush(stdout);
if (sock_ret < length) {
// printf("Not resending\n");
@ -2520,13 +2666,15 @@ void get_tlm_fc() {
// printf("socket send 2 %d ms bytes: %d \n\n", millis() - start, sock_ret);
}
loop_count++;
// loop_count++;
if (sock_ret == -1) {
printf("Error: %s \n", strerror(errno));
socket_open = 0;
}
}
/*
if (!transmit) {
fprintf(stderr, "\nNo CubeSatSim Band Pass Filter detected. No transmissions after the CW ID.\n");
fprintf(stderr, " See http://cubesatsim.org/wiki for info about building a CubeSatSim\n\n");
@ -2540,9 +2688,8 @@ void get_tlm_fc() {
printf("Start sleep %d Sleep period: %d while period: %d\n", startSleep, millis() - startSleep, millis() - sampleTime);
sampleTime = (unsigned int) millis(); // resetting time for sleeping
fflush(stdout);
*/
if (socket_open == 1)
firstTime = 0;
return;
}

4
main.h
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@ -56,6 +56,7 @@
#define FC_EPS 1
#define FC_BOB 25
#define FC_SW 50
#define FC_PAYLOAD 55
#define RSSI 0
#define IHU_TEMP 2
@ -94,6 +95,7 @@ extern int Encode_8b10b[][256];
extern const unsigned char ALPHA_TO[];
// const unsigned char *CCodecAO40::encode(unsigned char *source_bytes, int byte_count);
void program_radio();
void socket_send(int length);
int socket_open = 0;
int sock = 0;
@ -108,6 +110,8 @@ short int buffer[2336400]; // max size for 10 frames count of BPSK
FILE *sopen(const char *program);
FILE *telem_file;
long int sequence = 0;
int image_id = 0;
FILE *image_file;
#define S_RATE (48000) // (44100)

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sstv/sstv_image_2_320_x_256.jpeg
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109
transmit.py
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@ -135,6 +135,41 @@ def increment_mode():
except:
print("can't write to .mode file")
def camera_photo():
system("sudo rm /home/pi/CubeSatSim/camera_out.jpg")
stored_image = False
try:
system("raspistill -o /home/pi/CubeSatSim/camera_out.jpg -w 320 -h 256") # > /dev/null 2>&1")
f = open("/home/pi/CubeSatSim/camera_out.jpg")
f.close()
print("Photo taken")
except:
system("cp /home/pi/CubeSatSim/sstv//sstv_image_2_320_x_256.jpeg /home/pi/CubeSatSim/camera_out.jpg")
print("Using stored image")
stored_image = True
if (stored_image == False):
file='/home/pi/CubeSatSim/camera_out.jpg'
font1 = ImageFont.truetype('DejaVuSerif.ttf', 20)
font2 = ImageFont.truetype('DejaVuSerif-Bold.ttf', 16)
try:
filep = open("/home/pi/CubeSatSim/telem_string.txt")
telem_string = filep.readline()
except:
telem_string = ""
if (debug_mode == 1):
print("Can't read telem_string.txt")
print(telem_string)
img = Image.open(file)
draw = ImageDraw.Draw(img)
# draw.text((10, 10), callsign, font=font2, fill='white')
# draw.text((120, 10), telem_string, font=font2, fill='white')
draw.text((12, 12), callsign, font=font1, fill='black')
draw.text((10, 10), callsign, font=font1, fill='white')
draw.text((122, 12), telem_string, font=font2, fill='black')
draw.text((120, 10), telem_string, font=font2, fill='white')
img.save(file)
print("CubeSatSim v2.0 transmit.py starting...")
@ -580,32 +615,32 @@ if __name__ == "__main__":
print("image 2 did not load - copy from CubeSatSim/sstv directory")
while 1:
# command_control_check()
system("raspistill -o /home/pi/CubeSatSim/camera_out.jpg -w 320 -h 256") # > /dev/null 2>&1")
print("Photo taken")
file='/home/pi/CubeSatSim/camera_out.jpg'
font1 = ImageFont.truetype('DejaVuSerif.ttf', 20)
font2 = ImageFont.truetype('DejaVuSerif-Bold.ttf', 16)
try:
filep = open("/home/pi/CubeSatSim/telem_string.txt")
telem_string = filep.readline()
except:
telem_string = ""
if (debug_mode == 1):
print("Can't read telem_string.txt")
print(telem_string)
img = Image.open(file)
draw = ImageDraw.Draw(img)
camera_photo()
## system("raspistill -o /home/pi/CubeSatSim/camera_out.jpg -w 320 -h 256") # > /dev/null 2>&1")
## print("Photo taken")
##
## file='/home/pi/CubeSatSim/camera_out.jpg'
## font1 = ImageFont.truetype('DejaVuSerif.ttf', 20)
## font2 = ImageFont.truetype('DejaVuSerif-Bold.ttf', 16)
##
## try:
## filep = open("/home/pi/CubeSatSim/telem_string.txt")
## telem_string = filep.readline()
## except:
## telem_string = ""
## if (debug_mode == 1):
## print("Can't read telem_string.txt")
## print(telem_string)
##
## img = Image.open(file)
## draw = ImageDraw.Draw(img)
# draw.text((10, 10), callsign, font=font2, fill='white')
# draw.text((120, 10), telem_string, font=font2, fill='white')
draw.text((12, 12), callsign, font=font1, fill='black')
draw.text((10, 10), callsign, font=font1, fill='white')
draw.text((122, 12), telem_string, font=font2, fill='black')
draw.text((120, 10), telem_string, font=font2, fill='white')
img.save(file)
## draw.text((12, 12), callsign, font=font1, fill='black')
## draw.text((10, 10), callsign, font=font1, fill='white')
## draw.text((122, 12), telem_string, font=font2, fill='black')
## draw.text((120, 10), telem_string, font=font2, fill='white')
## img.save(file)
# command_control_check()
@ -756,7 +791,9 @@ if __name__ == "__main__":
# system("sudo nc -l 8080 | csdr convert_i16_f | csdr fir_interpolate_cc 2 | csdr dsb_fc | csdr bandpass_fir_fft_cc 0.002 0.06 0.01 | csdr fastagc_ff | sudo /home/pi/rpitx/sendiq -i /dev/stdin -s 96000 -f 434.9e6 -t float &")
system("sudo nc -l 8080 | csdr convert_i16_f | csdr fir_interpolate_cc 2 | csdr dsb_fc | csdr bandpass_fir_fft_cc 0.002 0.06 0.01 | csdr fastagc_ff | sudo /home/pi/rpitx/sendiq -i /dev/stdin -s 96000 -f " + tx + "e6 -t float &")
print("Turning LED on/off and listening for carrier")
image_index = 1;
while 1:
# print ("LED on")
output(txLed, txLedOff)
sleep(0.4)
# if (command_tx == False):
@ -771,10 +808,28 @@ if __name__ == "__main__":
output(txLed, txLedOn)
# print(txLed)
# print(txLedOn)
if (mode == 'b'):
sleep(4.2)
else:
sleep(4.6)
sleep(4.2)
else: # FunCube mode image
# print("Checking image_file.bin")
try:
file = open("/home/pi/CubeSatSim/image_file.bin")
file.close()
image_present = True
except:
image_present = False
if (image_present == False):
camera_photo()
## system("raspistill -o /home/pi/CubeSatSim/camera_out.jpg -w 320 -h 256") # > /dev/null 2>&1")
## print("Photo taken")
system("/home/pi/ssdv/ssdv -e -n -i " + str(image_index) + " -q 3 -J /home/pi/CubeSatSim/camera_out.jpg /home/pi/CubeSatSim/image_file.bin")
print("image_index " + str(image_index) + "\n")
image_index = ( image_index + 1 ) % 256
sleep(2)
else:
sleep(4.6)
elif (mode == 'e'): # code based on https://zr6aic.blogspot.com/2016/11/creating-2m-fm-repeater-with-raspberry.html
print("Repeater")
print("Stopping command and control")

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