/* * A sample application transmitting 1k2 AFSK in X.25 format * * 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 . */ #include #include #include #include #include "status.h" #include "ax5043.h" #include "ax25.h" #include "spi/ax5043spi.h" #define VBATT 15 #define ADC5 17 #define ADC6 18 #define ADC7 19 #define ADC8 20 #define TIME 8 #define UCTEMP 30 ax5043_conf_t hax5043; ax25_conf_t hax25; static void init_rf(); void config_x25(); void trans_x25(); int main(void) { setSpiChannel(SPI_CHANNEL); setSpiSpeed(SPI_SPEED); initializeSpi(); int ret; uint8_t data[1024]; // 0x03 is a UI frame // 0x0F is no Level 3 protocol // rest is dummy CubeSatSim telemetry in AO-7 format const char *str = "\x03\x0fhi hi 101 102 103 104 202 203 204 205 303 304 305 306 404 405 406 407 408 505 506 507 508 606 607 608 609\n"; /* 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: Transmitting X.25 packet\n"); FILE* file = popen("mpcmd show data 2>&1", "r"); char cmdbuffer[1000]; fgets(cmdbuffer, 1000, file); pclose(file); printf("buffer is :%s\n", cmdbuffer); char mopower[64][14]; char * data2; int i = 0; data2 = strtok (cmdbuffer," "); while (data2 != NULL) { strcpy(mopower[i], data2); printf ("mopwer[%d]=%s\n",i,mopower[i]); data2 = strtok (NULL, " "); i++; } printf("Battery voltage = %s ADC5 = %s ADC6 = %s ADC7 = %s ADC8 %s \n", mopower[VBATT],mopower[ADC5],mopower[ADC6],mopower[ADC7],mopower[ADC8]); float vbat; vbat = strtof(mopower[VBATT], NULL); printf(" vbat: %f \n", vbat); int tlm_3a = (int)((vbat * 10) - 65.5); printf("TLM 3A = %d \n", tlm_3a); char tlm_str[1000]; sprintf(tlm_str, "\x03\x0fhi hi 101 102 103 104 202 203 204 205 3%d 3%d 3%d 3%d", tlm_3a, tlm_3a, tlm_3a, tlm_3a); printf("%s\n",tlm_str); // Read current from I2C bus /* int devId = 0x40; // +X Panel current int i2cDevice = wiringPiI2CSetup (devId) ; printf("\n\nI2C result: %d\n", i2cDevice); printf("Read: %d\n", wiringPiI2CRead(i2cDevice)) ; int result = wiringPiI2CWriteReg16(i2cDevice, 0x05, 4096); printf("Write result: %d\n", result); int currentValue = wiringPiI2CReadReg16(i2cDevice, 0x04); printf("Current: %d\n\n\n", currentValue); int tlm_1b = (int) (98.5 - currentValue/400); printf("TLM 1B = %d \n\n", tlm_1b); */ memcpy(data, tlm_str, strnlen(tlm_str, 256)); ret = ax25_tx_frame(&hax25, &hax5043, data, strnlen(tlm_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(); 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); } }