431 lines
12 KiB
C++
431 lines
12 KiB
C++
/*
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* Author: klaute -Kai Lauterbach - @kailauterbach - me@klaute.de
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* Date: 09/2016
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* License: GPLv3
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*/
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/*****************************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <avr/wdt.h>
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/*****************************************************************************/
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void cc_init(void);
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void cc_abort(void);
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void cc_processData(uint8_t);
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void cc_clearReadDataBuffer(void);
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/*****************************************************************************/
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void cc_setStartFreq(void);
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void cc_setEndFreq(void);
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void cc_setIntervall(void);
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void cc_setFreqStep(void);
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void cc_setDriveStrength(void);
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void cc_startMeasurement(void);
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void cc_getConfig(void);
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/*****************************************************************************/
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extern "C" {
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#include "globals.h"
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}
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/*****************************************************************************/
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uint8_t cc_commands[] = {
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CC_CMD_SET_START_FREQ,
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CC_CMD_SET_END_FREQ,
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CC_CMD_SET_INTERVALL,
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CC_CMD_SET_DRIVE_STRENGTH,
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CC_CMD_SET_FREQ_STEP,
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CC_CMD_START_MEASUREMENT,
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CC_CMD_GET_CONFIG,
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};
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void (*cc_cmd_functions[])() = {
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CC_CMD_SET_START_FREQ_FUNC,
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CC_CMD_SET_END_FREQ_FUNC,
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CC_CMD_SET_INTERVALL_FUNC,
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CC_CMD_SET_DRIVE_STRENGTH_FUNC,
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CC_CMD_SET_FREQ_STEP_FUNC,
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CC_CMD_START_MEASUREMENT_FUNC,
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CC_CMD_GET_CONFIG_FUNC,
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};
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uint8_t cc_cmd_data_to_read[] = {
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CC_CMD_SET_START_FREQ_DATA_TO_READ,
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CC_CMD_SET_END_FREQ_DATA_TO_READ,
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CC_CMD_SET_INTERVALL_DATA_TO_READ,
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CC_CMD_SET_DRIVE_STRENGTH_DATA_TO_READ,
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CC_CMD_SET_FREQ_STEP_DATA_TO_READ,
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CC_CMD_START_MEASUREMENT_DATA_TO_READ,
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CC_CMD_GET_CONFIG_DATA_TO_READ,
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};
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uint8_t cc_read_data[CC_READ_DATA_MAX];
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/*****************************************************************************/
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uint8_t cc_state = CC_STATE_READ_SOM1;
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uint8_t cc_cmd_to_call = CC_CMD_NO_CMD;
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uint8_t cc_cmd_received_correct = MSG_INCOMPLETE;
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uint8_t cc_cmd_data_read_cnt = 0;
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/*****************************************************************************/
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void cc_setStartFreq()
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{
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uint32_t tmp_start_freq = (uint32_t)cc_read_data[0] << 24;
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tmp_start_freq += (uint32_t)cc_read_data[1] << 16;
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tmp_start_freq += (uint32_t)cc_read_data[2] << 8;
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tmp_start_freq += (uint32_t)cc_read_data[3];
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if (tmp_start_freq < 1)
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tmp_start_freq = 1;
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if (tmp_start_freq > 150000000)
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tmp_start_freq = 150000000;
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start_freq = tmp_start_freq;
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_OK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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}
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void cc_setEndFreq()
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{
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uint32_t tmp_end_freq = (uint32_t)cc_read_data[0] << 24;
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tmp_end_freq += (uint32_t)cc_read_data[1] << 16;
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tmp_end_freq += (uint32_t)cc_read_data[2] << 8;
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tmp_end_freq += (uint32_t)cc_read_data[3];
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if (tmp_end_freq < 1)
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tmp_end_freq = 1;
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if (tmp_end_freq > 150000000)
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tmp_end_freq = 150000000;
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end_freq = tmp_end_freq;
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_OK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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}
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void cc_setFreqStep()
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{
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uint32_t tmp_step_freq = (uint32_t)cc_read_data[0] << 24;
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tmp_step_freq += (uint32_t)cc_read_data[1] << 16;
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tmp_step_freq += (uint32_t)cc_read_data[2] << 8;
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tmp_step_freq += (uint32_t)cc_read_data[3];
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if (tmp_step_freq < 1)
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tmp_step_freq = 1;
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if (tmp_step_freq > 150000000)
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tmp_step_freq = 150000000;
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step_freq = tmp_step_freq;
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_OK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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}
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void cc_setIntervall()
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{
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uint16_t tmp_intervall = (uint16_t)cc_read_data[0] << 8;
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tmp_intervall += (uint16_t)cc_read_data[1];
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if (tmp_intervall < 1)
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tmp_intervall = 1;
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if (tmp_intervall > 150000000)
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tmp_intervall = 150000000;
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intervall = tmp_intervall;
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_OK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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}
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void cc_setDriveStrength()
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{
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enum si5351_drive tmp_ds = (enum si5351_drive)cc_read_data[0];
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if (tmp_ds == SI5351_DRIVE_2MA ||
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tmp_ds == SI5351_DRIVE_4MA ||
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tmp_ds == SI5351_DRIVE_6MA ||
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tmp_ds == SI5351_DRIVE_8MA)
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{
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drive_str = tmp_ds;
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_OK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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} else {
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_NOK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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}
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}
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void cc_startMeasurement()
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{
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// 1. send measurement info to host
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// MSG_TYPE_CONFIG
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cc_getConfig();
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// 2. start a for loop from the frequence to start to the end frequence
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if (start_freq > 0 && start_freq <= 150000000 &&
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end_freq > 0 && end_freq <= 150000000 &&
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start_freq < end_freq &&
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intervall > 0 &&
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step_freq > 0)
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{
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si5351.drive_strength(SI5351_CLK0, drive_str); // 2 4 6 8ma
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uint8_t t = 0;
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for (t = 0; t < 200; t++)
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{
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uint16_t tmp = analogRead(A0);
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tmp = analogRead(A1);
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}
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uint32_t freq = 0;
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for (freq = start_freq; freq < end_freq; freq += step_freq)
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{
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uint32_t a0_sum = 0;
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uint32_t a1_sum = 0;
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uint16_t i = 0;
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si5351.set_freq((uint64_t)freq * 100, SI5351_PLL_FIXED, SI5351_CLK0);
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si5351.output_enable(SI5351_CLK0, 1); // enable clock output 0
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delay(1);
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for (i = 0; i < intervall; i++)
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{
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// 3. on every loop read the analog input A0 and A1 for the in intervall (milliseconds)
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// and generate the average value, read the ADC value every milli second.
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uint8_t t = 0;
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uint16_t ta0 = 0;
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uint16_t ta1 = 0;
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for (t = 0; t < 20; t++)
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{
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ta0 += analogRead(A0);
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ta1 += analogRead(A1);
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}
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a0_sum += (ta0 / 20);
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a1_sum += (ta1 / 20);
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delay(1);
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}
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a0_sum = a0_sum / intervall;
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a1_sum = a1_sum / intervall;
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// 4. send the current output frequency, the drive strength and the measured ADC values from A0 and A1 to the host
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// MSG_TYPE_MEAS_FREQ_INFO
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Serial.write(MSG_SOM1);
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Serial.write(MSG_SOM2);
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Serial.write(MSG_TYPE_MEAS_FREQ_INFO);
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Serial.write((uint8_t)((freq & 0xff000000) >> 24));
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Serial.write((uint8_t)((freq & 0x00ff0000) >> 16));
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Serial.write((uint8_t)((freq & 0x0000ff00) >> 8));
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Serial.write((uint8_t) (freq & 0x000000ff));
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Serial.write((uint8_t)((a0_sum & 0xff00) >> 8));
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Serial.write((uint8_t) (a0_sum & 0x00ff));
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Serial.write((uint8_t)((a1_sum & 0xff00) >> 8));
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Serial.write((uint8_t) (a1_sum & 0x00ff));
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Serial.write(MSG_EOM1);
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Serial.write(MSG_EOM2);
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si5351.output_enable(SI5351_CLK0, 0); // disable clock output 0
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}
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// 5. send a measurement end message to the host
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// MSG_TYPE_MEAS_END_INFO
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_MEAS_END_INFO,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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} else {
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// on error
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_NOK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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}
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si5351.output_enable(SI5351_CLK0, 0); // disable clock output 0
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}
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void cc_getConfig()
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{
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Serial.write(MSG_SOM1);
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Serial.write(MSG_SOM2);
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Serial.write(MSG_TYPE_CONFIG);
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Serial.write((uint8_t)((start_freq & 0xff000000) >> 24));
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Serial.write((uint8_t)((start_freq & 0x00ff0000) >> 16));
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Serial.write((uint8_t)((start_freq & 0x0000ff00) >> 8));
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Serial.write((uint8_t) (start_freq & 0x000000ff));
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Serial.write((uint8_t)((end_freq & 0xff000000) >> 24));
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Serial.write((uint8_t)((end_freq & 0x00ff0000) >> 16));
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Serial.write((uint8_t)((end_freq & 0x0000ff00) >> 8));
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Serial.write((uint8_t) (end_freq & 0x000000ff));
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Serial.write((uint8_t)((step_freq & 0xff000000) >> 24));
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Serial.write((uint8_t)((step_freq & 0x00ff0000) >> 16));
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Serial.write((uint8_t)((step_freq & 0x0000ff00) >> 8));
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Serial.write((uint8_t) (step_freq & 0x000000ff));
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Serial.write((uint8_t)((intervall & 0xff00) >> 8));
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Serial.write((uint8_t) (intervall & 0x00ff));
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Serial.write((uint8_t) drive_str);
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Serial.write(MSG_EOM1);
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Serial.write(MSG_EOM2);
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}
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/*****************************************************************************/
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void cc_init()
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{
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cc_state = CC_STATE_READ_SOM1;
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cc_cmd_to_call = CC_CMD_NO_CMD;
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cc_cmd_data_read_cnt = 0;
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cc_cmd_received_correct = MSG_INCOMPLETE;
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}
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/*****************************************************************************/
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void cc_abort()
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{
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// send abort message, then init
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char* tmp = " ";
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sprintf(tmp, "%c%c%c%c%c", MSG_SOM1, MSG_SOM2,
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MSG_TYPE_ANSWER_NOK,
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MSG_EOM1, MSG_EOM2);
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Serial.write(tmp);
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cc_init();
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}
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/*****************************************************************************/
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void cc_processData(uint8_t c)
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{
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uint8_t i = 0;
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switch (cc_state)
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{
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//*********************************//
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case CC_STATE_READ_SOM1:;
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if (c == MSG_SOM1)
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cc_state = CC_STATE_READ_SOM2;
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else
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cc_abort();
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break;
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//*********************************//
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case CC_STATE_READ_SOM2:;
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if (c == MSG_SOM2)
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cc_state = CC_STATE_READ_CMD;
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else
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cc_abort();
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break;
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//*********************************//
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case CC_STATE_READ_CMD:;
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for (i = 0; i < sizeof(cc_commands)/sizeof(uint8_t); i++)
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{
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if (cc_commands[i] == c)
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{
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if (cc_cmd_data_to_read[i] > 0)
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cc_state = CC_STATE_READ_DATA;
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else
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cc_state = CC_STATE_READ_EOM1;
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cc_cmd_to_call = i; // remember the index of command to call
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break; // break the loop
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}
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}
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break;
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//*********************************//
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case CC_STATE_READ_DATA:;
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// write the variable c to the input buffer
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cc_read_data[cc_cmd_data_read_cnt] = c;
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if (cc_cmd_data_read_cnt >= cc_cmd_data_to_read[cc_cmd_to_call]-1)
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{
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cc_state = CC_STATE_READ_EOM1;
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}
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cc_cmd_data_read_cnt++;
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break;
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//*********************************//
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case CC_STATE_READ_EOM1:;
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if (c == MSG_EOM1)
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cc_state = CC_STATE_READ_EOM2;
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else
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cc_abort();
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break;
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//*********************************//
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case CC_STATE_READ_EOM2:;
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if (c == MSG_EOM2)
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{
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cc_cmd_received_correct = MSG_COMPLETE;
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} else
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cc_abort();
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break;
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default:
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cc_abort();
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}
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//*********************************//
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if (cc_cmd_received_correct == MSG_COMPLETE)
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{
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// call the function using the received data
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(*cc_cmd_functions[cc_cmd_to_call])();
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// clear the read buffer
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cc_clearReadDataBuffer();
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cc_init();
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}
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}
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/*****************************************************************************/
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void cc_clearReadDataBuffer()
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{
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uint8_t i = 0;
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for (i = 0; i < CC_READ_DATA_MAX; i++)
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{
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cc_read_data[i] = 0x00;
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}
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}
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/*****************************************************************************/
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