/* * Author: klaute -Kai Lauterbach - @kailauterbach - me@klaute.de * Date: 09/2016 * License: GPLv3 */ /*****************************************************************************/ #include #include "Wire.h" #include extern "C" { #include "globals.h" } /*****************************************************************************/ Si5351 si5351; uint32_t start_freq = 10000; uint32_t end_freq = 50000000; uint32_t step_freq = 1000000; // 1 MHz default step size uint16_t intervall = 1000; // intervall to change the frequency as milli seconds enum si5351_drive drive_str = SI5351_DRIVE_2MA; /*****************************************************************************/ void setup() { // manage the analog pins pinMode(A0, INPUT); // forward SWR measurement pinMode(A1, INPUT); // backward SWR measurement pinMode(A2, OUTPUT); pinMode(A3, OUTPUT); pinMode(A6, OUTPUT); pinMode(A7, OUTPUT); digitalWrite(A2, LOW); digitalWrite(A3, LOW); digitalWrite(A6, LOW); digitalWrite(A7, LOW); // Init the serial connection Serial.begin(115200); // initialize the command control module cc_init(); // init the Si5351 si5351.init(SI5351_CRYSTAL_LOAD_8PF, 0); si5351.set_pll(SI5351_PLL_FIXED, SI5351_PLLA); si5351.output_enable(SI5351_CLK0, 0); // disable clock output 0 si5351.output_enable(SI5351_CLK1, 0); // disable clock output 1 si5351.output_enable(SI5351_CLK2, 0); // disable clock output 2 analogReference(DEFAULT); // 5V reference readEEPValues(); } /*****************************************************************************/ void loop() { // Read the Status Register and print it every 10 seconds si5351.update_status(); /* Serial.print("SYS_INIT: "); Serial.print(si5351.dev_status.SYS_INIT); Serial.print(" LOL_A: "); Serial.print(si5351.dev_status.LOL_A); Serial.print(" LOL_B: "); Serial.print(si5351.dev_status.LOL_B); Serial.print(" LOS: "); Serial.print(si5351.dev_status.LOS); Serial.print(" REVID: "); Serial.println(si5351.dev_status.REVID); */ if (Serial.available() > 0) { uint8_t c = Serial.read() & 0xff; cc_processData(c); } //cc_abort(); delay(100); } /*****************************************************************************/ void write32BitEEPROM(uint8_t addr, uint32_t value) { EEPROM.write(addr , (uint8_t)((value & 0xff000000) >> 24)); EEPROM.write(addr + 1, (uint8_t)((value & 0x00ff0000) >> 16)); EEPROM.write(addr + 2, (uint8_t)((value & 0x0000ff00) >> 8)); EEPROM.write(addr + 3, (uint8_t) (value & 0x000000ff)); } void write16BitEEPROM(uint8_t addr, uint16_t value) { EEPROM.write(addr , (uint8_t)((value & 0xff00) >> 8)); EEPROM.write(addr + 1, (uint8_t) (value & 0x00ff)); } void writeEEPROMConfig() { write32BitEEPROM( 0, start_freq); write32BitEEPROM( 4, end_freq); write32BitEEPROM( 8, step_freq); write16BitEEPROM(12, intervall); EEPROM.write(14, (uint8_t)drive_str); } /*****************************************************************************/ uint32_t read32BitEEPROM(uint8_t addr) { uint32_t tmp = (uint32_t)EEPROM.read(addr ) << 24; tmp += (uint32_t)EEPROM.read(addr + 1) << 16; tmp += (uint32_t)EEPROM.read(addr + 2) << 8; tmp += (uint32_t)EEPROM.read(addr + 3); return tmp; } uint16_t read16BitEEPROM(uint8_t addr) { uint16_t tmp = (uint16_t)EEPROM.read(addr ) << 8; tmp += (uint16_t)EEPROM.read(addr + 1); return tmp; } /*****************************************************************************/ void readEEPValues() { uint32_t tmp_start_freq = read32BitEEPROM(0); start_freq = keepFreqRange(tmp_start_freq); uint32_t tmp_end_freq = read32BitEEPROM(4); end_freq = keepFreqRange(tmp_end_freq); uint32_t tmp_step_freq = read32BitEEPROM(8); step_freq = keepFreqRange(tmp_step_freq); uint16_t tmp_intervall = read16BitEEPROM(12); intervall = tmp_intervall; enum si5351_drive tmp_ds = (enum si5351_drive)EEPROM.read(14); if (tmp_ds == SI5351_DRIVE_2MA || tmp_ds == SI5351_DRIVE_4MA || tmp_ds == SI5351_DRIVE_6MA || tmp_ds == SI5351_DRIVE_8MA) { drive_str = tmp_ds; } else { drive_str = SI5351_DRIVE_2MA; } } /*****************************************************************************/ uint32_t keepFreqRange(uint32_t freq) { uint32_t f = freq; if (freq < 1) f = 1; else if (freq > 150000000) f = 150000000; return f; } /*****************************************************************************/