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143 lines
3.9 KiB
143 lines
3.9 KiB
/*
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* A sample application transmitting 1k2 AFSK in X.25 format
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*
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* Portions Copyright (C) 2018 Jonathan Brandenburg
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include "status.h"
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#include "ax5043.h"
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#include "ax25.h"
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#include "spi/ax5043spi.h"
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ax5043_conf_t hax5043;
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ax25_conf_t hax25;
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static void init_rf();
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void config_x25();
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void trans_x25();
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int main(void) {
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setSpiChannel(SPI_CHANNEL);
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setSpiSpeed(SPI_SPEED);
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initializeSpi();
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int ret;
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uint8_t data[1024];
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// 0x03 is a UI frame
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// 0x0F is no Level 3 protocol
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// rest is dummy CubeSatSim telemetry in AO-7 format
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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";
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/* Infinite loop */
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for (;;) {
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sleep(2);
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// send X.25 packet
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init_rf();
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ax25_init(&hax25, (uint8_t *) "CQ", '2', (uint8_t *) "DX", '2',
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AX25_PREAMBLE_LEN,
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AX25_POSTAMBLE_LEN);
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printf("INFO: Transmitting X.25 packet\n");
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FILE* file = popen("mpcmd show data 2>&1", "r");
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char cmdbuffer[1000];
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fgets(cmdbuffer, 1000, file);
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pclose(file);
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printf("buffer is :%s\n", cmdbuffer);
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char mopower[64][14];
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char * data;
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int i = 0;
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data = strtok (cmdbuffer," ");
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while (data != NULL)
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{
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strcpy(mopower[i], data);
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printf ("mopwer[%d]=%s\n",i,mopower[i]);
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data = strtok (NULL, " ");
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i++;
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}
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printf("Battery voltage = %s ADC5 = %s ADC6 = %s ADC7 = %s ADC8 %s \n",
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mopower[VBATT],mopower[ADC5],mopower[ADC6],mopower[ADC7],mopower[ADC8]);
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float vbat;
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vbat = strtof(mopower[VBATT], NULL);
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printf(" vbat: %f \n", vbat);
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int tlm_3a = (int)((vbat * 10) - 65.5);
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printf("TLM 3A = %d \n", tlm_3a);
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// Read current from I2C bus
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/*
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int devId = 0x40; // +X Panel current
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int i2cDevice = wiringPiI2CSetup (devId) ;
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printf("\n\nI2C result: %d\n", i2cDevice);
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printf("Read: %d\n", wiringPiI2CRead(i2cDevice)) ;
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int result = wiringPiI2CWriteReg16(i2cDevice, 0x05, 4096);
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printf("Write result: %d\n", result);
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int currentValue = wiringPiI2CReadReg16(i2cDevice, 0x04);
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printf("Current: %d\n\n\n", currentValue);
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int tlm_1b = (int) (98.5 - currentValue/400);
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printf("TLM 1B = %d \n\n", tlm_1b);
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*/
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memcpy(data, str, strnlen(str, 256));
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ret = ax25_tx_frame(&hax25, &hax5043, data, strnlen(str, 256));
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if (ret) {
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fprintf(stderr,
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"ERROR: Failed to transmit AX.25 frame with error code %d\n",
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ret);
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exit(EXIT_FAILURE);
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}
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ax5043_wait_for_transmit();
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if (ret) {
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fprintf(stderr,
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"ERROR: Failed to transmit entire AX.25 frame with error code %d\n",
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ret);
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exit(EXIT_FAILURE);
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}
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}
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return 0;
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}
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static void init_rf() {
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int ret;
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ret = ax5043_init(&hax5043, XTAL_FREQ_HZ, VCO_INTERNAL);
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if (ret != PQWS_SUCCESS) {
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fprintf(stderr,
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"ERROR: Failed to initialize AX5043 with error code %d\n", ret);
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exit(EXIT_FAILURE);
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}
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}
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