kopia lustrzana https://github.com/Qyon/STM32_RTTY
removed more functions without any effect, added possibility of change RTTY shift
df8oe
rodzic
bde3d8e445
commit
3b0db73473
18
config.h
18
config.h
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@ -33,16 +33,22 @@
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#define APRS_COMMENT " Hello from the sky!"
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#define RTTY_TO_APRS_RATIO 5 //transmit APRS packet with each x RTTY packet
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//*************frequency********************
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//*************TX Frequencies********************
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#define RTTY_FREQUENCY 434.500f //Mhz middle frequency
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#define APRS_FREQUENCY 432.500f //Mhz middle frequency
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//************rtty speed*********************** si4032
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//************RTTY Shift*********************** si4032
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#define RTTY_DEVIATION 0x2 // RTTY shift = RTTY_DEVIATION x 270Hz
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//************RTTY Speed*********************** si4032
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#define RTTY_SPEED 75 // RTTY baudrate
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// SHIFT is always 450Hz
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//************rtty bits************************ si4032
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#define RTTY_7BIT 1 // if 0 --> 5 bits
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//************rtty stop bits******************* si4032
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#define RTTY_USE_2_STOP_BITS 0
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//********* power definition**************************
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#define TX_POWER 0 // PWR 0...7 0- MIN ... 7 - MAX
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// 0 --> -1dBm
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@ -54,9 +60,11 @@
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// 6 --> 17dBm
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// 7 --> 20dBm
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//****************************************************
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// WARNING: do not use this in flying tracker!
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// Switch sonde ON/OFF via Button
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#define ALLOW_DISABLE_BY_BUTTON 1
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//********** frame delay in msec**********************
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//********** Frame Delay in msec**********************
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#define tx_delay 5000
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#endif
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28
main.c
28
main.c
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@ -48,7 +48,6 @@ volatile uint8_t disable_armed = 0;
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void send_rtty_packet();
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uint16_t gps_CRC16_checksum (char *string);
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// int srednia (int dana);
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/**
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@ -83,7 +82,7 @@ void TIM2_IRQHandler(void) {
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radio_disable_tx();
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}
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} else if (send_rtty_status == rttyOne) {
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radio_rw_register(0x73, 0x02, 1);
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radio_rw_register(0x73, RTTY_DEVIATION, 1);
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GPIO_SetBits(GPIOB, RED);
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} else if (send_rtty_status == rttyZero) {
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radio_rw_register(0x73, 0x00, 1);
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@ -143,25 +142,26 @@ int main(void) {
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GPIO_SetBits(GPIOB, RED);
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USART_SendData(USART3, 0xc);
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// radio_rw_register(0x02, 0xff, 0);
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// radio_rw_register(0x03, 0xff, 0);
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// radio_rw_register(0x04, 0xff, 0);
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radio_soft_reset();
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// setting TX frequency
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// setting RTTY TX frequency
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radio_set_tx_frequency(RTTY_FREQUENCY);
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// setting TX power
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radio_rw_register(0x6D, 00 | (TX_POWER & 0x0007), 1);
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// initial RTTY modulation
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radio_rw_register(0x71, 0x00, 1);
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// radio_rw_register(0x87, 0x08, 0);
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// radio_rw_register(0x02, 0xff, 0);
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// radio_rw_register(0x75, 0xff, 0);
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// radio_rw_register(0x76, 0xff, 0);
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// radio_rw_register(0x77, 0xff, 0);
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radio_rw_register(0x12, 0x20, 1);
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// possibly without any effect...
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// radio_rw_register(0x12, 0x20, 1);
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// Temperature Value Offset
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radio_rw_register(0x13, 0x00, 1);
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// Temperature Sensor Calibration
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radio_rw_register(0x12, 0x00, 1);
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// ADC configuration
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radio_rw_register(0x0f, 0x80, 1);
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rtty_buf = buf_rtty;
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tx_on = 0;
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@ -184,7 +184,6 @@ int main(void) {
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ublox_get_last_data(&gpsData);
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USART_Cmd(USART1, DISABLE);
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int8_t temperature = radio_read_temperature();
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// uint16_t voltage = (uint16_t) srednia(ADCVal[0] * 600 / 4096);
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uint16_t voltage = (uint16_t) ADCVal[0] * 600 / 4096;
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aprs_send_position(gpsData, temperature, voltage);
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USART_Cmd(USART1, ENABLE);
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@ -202,7 +201,6 @@ void send_rtty_packet() {
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start_bits = RTTY_PRE_START_BITS;
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int8_t si4032_temperature = radio_read_temperature();
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// voltage = srednia(ADCVal[0] * 600 / 4096);
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voltage = ADCVal[0] * 600 / 4096;
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GPSEntry gpsData;
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ublox_get_last_data(&gpsData);
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@ -223,7 +221,7 @@ void send_rtty_packet() {
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(gpsData.alt_raw / 1000), si4032_temperature, voltage, gpsData.sats_raw,
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gpsData.ok_packets, gpsData.bad_packets,
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flaga);
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CRC_rtty = 0xffff; //possibly not neccessary??
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// CRC_rtty = 0xffff; //possibly not neccessary??
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CRC_rtty = gps_CRC16_checksum(buf_rtty + 4);
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sprintf(buf_rtty, "%s*%04X\n", buf_rtty, CRC_rtty & 0xffff);
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rtty_buf = buf_rtty;
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3
radio.c
3
radio.c
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@ -26,9 +26,6 @@ void radio_set_tx_frequency(const float freq_in_mhz) {
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uint8_t fb = (uint8_t) ((((uint8_t)((freq_in_mhz * (30.0f / SI4032_CLOCK)) / 10) - 24) - (24 * hbsel)) / (1 + hbsel));
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uint8_t gen_div = 3; // constant - not possible to change!
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uint16_t fc = (uint16_t) (((freq_in_mhz / ((SI4032_CLOCK / gen_div) * (hbsel + 1))) - fb - 24) * 64000);
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radio_rw_register(0x72, 10, 1);
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radio_rw_register(0x75, (uint8_t) (0b01000000 | (fb & 0b11111) | ((hbsel & 0b1) << 5)), 1);
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radio_rw_register(0x76, (uint8_t) (((uint16_t)fc >> 8) & 0xff), 1);
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radio_rw_register(0x77, (uint8_t) ((uint16_t)fc & 0xff), 1);
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