Ср июн 15, 2022 23:15:29
Чт июн 16, 2022 01:19:25
olegue писал(а):задумка была не загружать МК вторым преобразованием
Чт июн 16, 2022 09:16:02
Если усреднение не справится, то фильтр тем более.roman.com писал(а):и отдать такты фильтру...
Ну по чему не способен, 500кГц это еще не 1МГц, в тестах 1МГц выжимали на два канала.Martian писал(а):Однако, мне не верится, что этот мк не способен справиться.
Чт июн 16, 2022 10:02:43
Dimon456 писал(а):Если усреднение не справится, то фильтр тем более.
Чт июн 16, 2022 11:46:34
Плохому танцору вечно что-то мешает.roman.com писал(а):обязательно всё синхронизируем когда выкинем ардуину
Чт июн 16, 2022 12:48:56
volatile uint8_t sum_adc;
volatile bool n0=0, n1=0;
byte buf00[256]; // buffer array 1
byte buf01[256]; // buffer array 2
// ADC interrupt service routine
ISR(ADC_vect)
{
static uint8_t count = 0;
static uint8_t temp=0;
static uint32_t temp_adc=0;
static uint16_t count_buf = 0;
if(ADMUX & (1<<MUX0)){
temp = ADCH;
if(count_buf < 256) {
buf00[count_buf] = temp;
} else buf01[count_buf - 256] = temp;
if(count_buf == 255) {
n0=0; n1=1;
}
if(++count_buf > 511) {
count_buf=0; n0=1; n1=0;
}
ADMUX = ADC_VREF_TYPE | (0<<MUX0);//set ch 0
}else{
temp_adc += ADCH;
if (++count > ((127))) {
count = 0;
sum_adc = temp_adc>>7;
temp_adc=0;
}
ADMUX = ADC_VREF_TYPE | (1<<MUX0);//set ch 1
}
}
void loop() {
if (n0==0 && n1 == 1) {
rec.write(buf00, 256); // save buf01 to card
n0=0; n1=0;
}
if (n0==1 && n1 == 0) {
rec.write(buf01, 256); // save buf02 to card
n0=0; n1=0;
}
}
void StartRec() { // begin recording process
digitalWrite(ledStart, HIGH);
digitalWrite(ledStop, LOW);
recByteCount = 0;
recByteSaved = 0;
recPressed = 1; // recording button has been pressed
stopPressed = 0;
writeWavHeader();
ADCSRA |= (1<<ADEN);
}
void StopRec() { // stop recording process, update WAV header, close file
ADCSRA &= ~(1<<ADEN);
writeOutHeader();
digitalWrite(ledStart, LOW); // turn off recording LED
digitalWrite(ledStop, HIGH); // light stop LED
recPressed = 0;
}
void Setup_ADC() {
// ADC initialization
DIDR0=(0<<ADC5D) | (0<<ADC4D) | (0<<ADC3D) | (0<<ADC2D) | (0<<ADC1D) | (0<<ADC0D);
ADMUX= (1<<MUX0) | ADC_VREF_TYPE;
ADCSRA=(0<<ADEN) | (1<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (0<<ADPS1) | (1<<ADPS0); // 500kHz
sampleRate = 19600; bytesPerSec = 19600;
//ADCSRA=(0<<ADEN) | (1<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (0<<ADPS0); // 250kHz
//sampleRate = 9800; bytesPerSec = 9800;
//ADCSRA=(0<<ADEN) | (1<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0); // 125kHz
//sampleRate = 4900; bytesPerSec = 4900;
ADCSRB=(0<<ADTS2) | (0<<ADTS1) | (0<<ADTS0);
}
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino: In function 'void __vector_21()':
DIMON456_AUDIORECORDER:27:13: error: 'ADC_VREF_TYPE' was not declared in this scope
ADMUX = ADC_VREF_TYPE | (0<<MUX0);//set ch 0
^~~~~~~~~~~~~
DIMON456_AUDIORECORDER:37:13: error: 'ADC_VREF_TYPE' was not declared in this scope
ADMUX = ADC_VREF_TYPE | (1<<MUX0);//set ch 1
^~~~~~~~~~~~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino: In function 'void loop()':
DIMON456_AUDIORECORDER:45:7: error: 'rec' was not declared in this scope
rec.write(buf00, 256); // save buf01 to card
^~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino:45:7: note: suggested alternative: 'getc'
rec.write(buf00, 256); // save buf01 to card
^~~
getc
DIMON456_AUDIORECORDER:49:7: error: 'rec' was not declared in this scope
rec.write(buf01, 256); // save buf02 to card
^~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino:49:7: note: suggested alternative: 'getc'
rec.write(buf01, 256); // save buf02 to card
^~~
getc
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino: In function 'void StartRec()':
DIMON456_AUDIORECORDER:56:16: error: 'ledStart' was not declared in this scope
digitalWrite(ledStart, HIGH);
^~~~~~~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino:56:16: note: suggested alternative: 'va_start'
digitalWrite(ledStart, HIGH);
^~~~~~~~
va_start
DIMON456_AUDIORECORDER:57:16: error: 'ledStop' was not declared in this scope
digitalWrite(ledStop, LOW);
^~~~~~~
DIMON456_AUDIORECORDER:58:3: error: 'recByteCount' was not declared in this scope
recByteCount = 0;
^~~~~~~~~~~~
DIMON456_AUDIORECORDER:59:3: error: 'recByteSaved' was not declared in this scope
recByteSaved = 0;
^~~~~~~~~~~~
DIMON456_AUDIORECORDER:60:3: error: 'recPressed' was not declared in this scope
recPressed = 1; // recording button has been pressed
^~~~~~~~~~
DIMON456_AUDIORECORDER:61:3: error: 'stopPressed' was not declared in this scope
stopPressed = 0;
^~~~~~~~~~~
DIMON456_AUDIORECORDER:62:3: error: 'writeWavHeader' was not declared in this scope
writeWavHeader();
^~~~~~~~~~~~~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino: In function 'void StopRec()':
DIMON456_AUDIORECORDER:68:3: error: 'writeOutHeader' was not declared in this scope
writeOutHeader();
^~~~~~~~~~~~~~
DIMON456_AUDIORECORDER:69:16: error: 'ledStart' was not declared in this scope
digitalWrite(ledStart, LOW); // turn off recording LED
^~~~~~~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino:69:16: note: suggested alternative: 'va_start'
digitalWrite(ledStart, LOW); // turn off recording LED
^~~~~~~~
va_start
DIMON456_AUDIORECORDER:70:16: error: 'ledStop' was not declared in this scope
digitalWrite(ledStop, HIGH); // light stop LED
^~~~~~~
DIMON456_AUDIORECORDER:71:3: error: 'recPressed' was not declared in this scope
recPressed = 0;
^~~~~~~~~~
C:\Users\lula\Documents\Arduino\DIMON456_AUDIORECORDER\DIMON456_AUDIORECORDER.ino: In function 'void Setup_ADC()':
DIMON456_AUDIORECORDER:77:20: error: 'ADC_VREF_TYPE' was not declared in this scope
ADMUX= (1<<MUX0) | ADC_VREF_TYPE;
^~~~~~~~~~~~~
DIMON456_AUDIORECORDER:79:1: error: 'sampleRate' was not declared in this scope
sampleRate = 19600; bytesPerSec = 19600;
^~~~~~~~~~
DIMON456_AUDIORECORDER:79:21: error: 'bytesPerSec' was not declared in this scope
sampleRate = 19600; bytesPerSec = 19600;
^~~~~~~~~~~
exit status 1
'ADC_VREF_TYPE' was not declared in this scope
Чт июн 16, 2022 14:14:00
Чт июн 16, 2022 16:13:51
Чт июн 16, 2022 16:39:26
Чт июн 16, 2022 16:55:32
Чт июн 16, 2022 17:09:47
Чт июн 16, 2022 17:16:10
Чт июн 16, 2022 18:04:46
// C++ code to convert BCD to its
// decimal number(base 10).
// Including Header Files
#include <bits/stdc++.h>
using namespace std;
// Function to convert BCD to Decimal
int bcdToDecimal(string s)
{
int len = s.length(),
check = 0, check0 = 0;
int num = 0, sum = 0,
mul = 1, rev = 0;
// Iterating through the bits backwards
for (int i = len - 1; i >= 0; i--) {
// Forming the equivalent
// digit(0 to 9)
// from the group of 4.
sum += (s[i] - '0') * mul;
mul *= 2;
check++;
// Reinitialize all variables
// and compute the number.
if (check == 4 || i == 0) {
if (sum == 0 && check0 == 0) {
num = 1;
check0 = 1;
}
else {
// update the answer
num = num * 10 + sum;
}
check = 0;
sum = 0;
mul = 1;
}
}
// Reverse the number formed.
while (num > 0) {
rev = rev * 10 + (num % 10);
num /= 10;
}
if (check0 == 1)
return rev - 1;
return rev;
}
// Driver Code
int main()
{
string s = "100000101000";
// Function Call
cout << bcdToDecimal(s);
return 0;
}
x = [0 0 0 1];
n = length(x);
y = 0;
for i = 1:n
if x(i)
y = y + 2^(n-i);
end
end
Чт июн 16, 2022 18:06:52
Чт июн 16, 2022 18:23:55
Чт июн 16, 2022 18:31:57
Чт июн 16, 2022 18:35:46
Чт июн 16, 2022 18:41:09
Вот полностью кодolegue писал(а):ошибки:
// Arduino Audio Recorder
#include <SdFat.h> // https://yadi.sk/d/zqi8-L5xruhFq
#include <EEPROM.h>
#include <RTClib.h>
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
SdFat sd;
SdFile rec;
RTC_DS1307 rtc;
#define ADC_VREF_TYPE ((0<<REFS1) | (1<<REFS0) | (1<<ADLAR))
volatile uint8_t sum_adc;
volatile bool n0=0, n1=0;
const int chipSelect = 4; /* Поменял на 10-pln */
unsigned long fileSize = 0L;
unsigned long waveChunk = 16;
unsigned int waveType = 1;
unsigned int numChannels = 1;
unsigned long sampleRate = 22050;
unsigned long bytesPerSec = 22050;
unsigned int blockAlign = 1;
unsigned int bitsPerSample = 8;
unsigned long dataSize = 0L;
unsigned long recByteCount = 0L;
unsigned long recByteSaved = 0L;
const int btnStart = 6;
const int btnStop = 5;
const int ledStart = 2;
const int ledStop = 3;
int recPressed = 0;
int stopPressed = 0;
unsigned long oldTime = 0L;
unsigned long newTime = 0L;
byte buf00[256]; // buffer array 1
byte buf01[256]; // buffer array 2
byte byte1, byte2, byte3, byte4;
unsigned int bufByteCount;
byte bufWrite;
unsigned long timer1;
int timer1on = 0;
//----------
//char NameRecord[4]; /* Имя нового - записываемого файла на SD-карту. */
int RecordNumber; /* Номер записи - храним в EEPROM. в диапазоне 0..255. */
char filename[12];
void setup() { // THIS RUNS ONCE
rtc.begin();
//EEPROM.put(0, 20000);
Setup_timer2();
Setup_ADC();
pinMode(10, OUTPUT);
pinMode(ledStart, OUTPUT);
pinMode(ledStop, OUTPUT);
pinMode(btnStop, INPUT_PULLUP);
pinMode(btnStart, INPUT_PULLUP);
if (sd.begin(chipSelect, SPI_FULL_SPEED)) { // initialise card on SPI to 8MHz SPI bus speed
for (int dloop = 0; dloop < 4; dloop++) {
digitalWrite(ledStart, !digitalRead(ledStart));
delay(100);
}
} else { // if error, flash LED twice per second, until reset
while (1) {
digitalWrite(ledStart, !digitalRead(ledStart));
delay(500);
}
}
}
void loop() { // THIS RUNS LOTS!
if (digitalRead(btnStart) == LOW && recPressed == 0) {
/* Записываем в RecordNumber, значение из ячейки №0 EEPROM, и прибавляем 1. */
/*RecordNumber = EEPROM.read(0) + 1;*/
if (RecordNumber == 32767)RecordNumber = 0;
/*RecordNumber==RecordNumber+1;*/
EEPROM.get(0,RecordNumber) ;
/* Записываем в ячейку №0 EEPROM, увеличенное значение RecordNumber. */
/*EEPROM.write(0, RecordNumber);*/
EEPROM.put(0, RecordNumber+1);
String str; //declaring string.
//
str = String(RecordNumber); //converting integer into a string.
while (str.length() < 6)
{
str = "0" + str;
}
str.concat(".wav");
str.toCharArray(filename, sizeof(filename));
/*str.toCharArray(NameRecord, 4); //passing the value of the string to the character array.*/
/*SdFile::dateTimeCallback(dateTime);*/
StartRec(); // launch StartRec method
timer1on = 0;
}
else if (digitalRead(btnStart) == HIGH && recPressed == 1 && timer1on == 0)
{
timer1 = millis();
timer1on = 1;
}
else if (digitalRead(btnStart) == LOW && recPressed == 1 && timer1on == 1) {
timer1on = 0;
}
else if (digitalRead(btnStart) == HIGH && recPressed == 1 && timer1on == 1 && (millis() - timer1) > 2000)
{
StopRec(); // launch StopRec method
/* Поэтому (Делаем программную перезагрузку). */
((void (*)())0x0000)(); /* Делаем программную перезагрузку - Arduino */
}
//if (recByteCount % 512 == 256 && recPressed == 1) {
// rec.write(buf00, 256); // save buf01 to card
// recByteSaved += 256;
//}
//if (recByteCount % 512 == 0 && recPressed == 1) {
// rec.write(buf01, 256); // save buf02 to card
// recByteSaved += 256;
//}
if (n0==0 && n1 == 1) {
rec.write(buf00, 256); // save buf01 to card
recByteSaved += 256;
n0=0; n1=0;
}
if (n0==1 && n1 == 0) {
rec.write(buf01, 256); // save buf02 to card
recByteSaved += 256;
n0=0; n1=0;
}
}
void StartRec() { // begin recording process
digitalWrite(ledStart, HIGH);
digitalWrite(ledStop, LOW);
recByteCount = 0;
recByteSaved = 0;
recPressed = 1; // recording button has been pressed
stopPressed = 0;
writeWavHeader();
//sbi (TIMSK2, OCIE2A); // enable timer interrupt, start grabbing audio
ADCSRA |= (1<<ADEN);
}
void StopRec() { // stop recording process, update WAV header, close file
//cbi (TIMSK2, OCIE2A); // disable timer interrupt
//writeOutHeader();
//digitalWrite(ledStart, LOW); // turn off recording LED
//digitalWrite(ledStop, HIGH); // light stop LED
//recPressed = 0;
//cbi (TIMSK2, OCIE2A); // disable timer interrupt
ADCSRA &= ~(1<<ADEN);
writeOutHeader();
digitalWrite(ledStart, LOW); // turn off recording LED
digitalWrite(ledStop, HIGH); // light stop LED
recPressed = 0;
}
void writeOutHeader() { // update WAV header with final filesize/datasize
rec.seekSet(4);
byte1 = recByteSaved & 0xff;
byte2 = (recByteSaved >> 8) & 0xff;
byte3 = (recByteSaved >> 16) & 0xff;
byte4 = (recByteSaved >> 24) & 0xff;
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
rec.seekSet(40);
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
rec.close();
}
void dateTime(uint16_t* date, uint16_t* time) {
DateTime now = rtc.now();
// return date using FAT_DATE macro to format fields
*date = FAT_DATE(now.year(), now.month(), now.day());
// return time using FAT_TIME macro to format fields
*time = FAT_TIME(now.hour(), now.minute(), now.second());
}
void writeWavHeader() { // write out original WAV header to file
recByteSaved = 0;
// rec.open("rec00000.wav", O_CREAT | O_TRUNC | O_RDWR);
/*rec.open(NameRecord, O_CREAT | O_TRUNC | O_RDWR); /* Имя нового - записываемого файла на SD-карту. */
//DateTime now = rtc.now();
SdFile::dateTimeCallback(dateTime);
rec.open(filename, O_CREAT | O_TRUNC | O_RDWR); /* Имя нового - записываемого файла на SD-карту. */
//rec.timestamp(T_CREATE, now.year(), now.month(), now.day(), now.hour(), now.minute(), now.second());
rec.write("RIFF");
byte1 = fileSize & 0xff;
byte2 = (fileSize >> 8) & 0xff;
byte3 = (fileSize >> 16) & 0xff;
byte4 = (fileSize >> 24) & 0xff;
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
rec.write("WAVE");
rec.write("fmt ");
byte1 = waveChunk & 0xff;
byte2 = (waveChunk >> 8) & 0xff;
byte3 = (waveChunk >> 16) & 0xff;
byte4 = (waveChunk >> 24) & 0xff;
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
byte1 = waveType & 0xff;
byte2 = (waveType >> 8) & 0xff;
rec.write(byte1); rec.write(byte2);
byte1 = numChannels & 0xff;
byte2 = (numChannels >> 8) & 0xff;
rec.write(byte1); rec.write(byte2);
byte1 = sampleRate & 0xff;
byte2 = (sampleRate >> 8) & 0xff;
byte3 = (sampleRate >> 16) & 0xff;
byte4 = (sampleRate >> 24) & 0xff;
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
byte1 = bytesPerSec & 0xff;
byte2 = (bytesPerSec >> 8) & 0xff;
byte3 = (bytesPerSec >> 16) & 0xff;
byte4 = (bytesPerSec >> 24) & 0xff;
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
byte1 = blockAlign & 0xff;
byte2 = (blockAlign >> 8) & 0xff;
rec.write(byte1); rec.write(byte2);
byte1 = bitsPerSample & 0xff;
byte2 = (bitsPerSample >> 8) & 0xff;
rec.write(byte1); rec.write(byte2);
rec.write("data");
byte1 = dataSize & 0xff;
byte2 = (dataSize >> 8) & 0xff;
byte3 = (dataSize >> 16) & 0xff;
byte4 = (dataSize >> 24) & 0xff;
rec.write(byte1); rec.write(byte2); rec.write(byte3); rec.write(byte4);
}
void Setup_timer2() {
//TCCR2B = _BV(CS21); // Timer2 Clock Prescaler to : 8
//TCCR2A = _BV(WGM21); // Interupt frequency = 16MHz / (8 x 90 + 1) = 22191Hz
//OCR2A = 90; // Compare Match register set to 90
}
void Setup_ADC() {
// ADMUX = 0x61; // set ADC to read pin A5, ADLAR to 1 (left adjust)
// cbi(ADCSRA, ADPS2); // set prescaler to 8 / ADC clock = 2MHz
// sbi(ADCSRA, ADPS1);
// sbi(ADCSRA, ADPS0);
// ADC initialization
DIDR0=(0<<ADC5D) | (0<<ADC4D) | (0<<ADC3D) | (0<<ADC2D) | (0<<ADC1D) | (0<<ADC0D);
ADMUX= (1<<MUX0) | ADC_VREF_TYPE;
ADCSRA=(0<<ADEN) | (1<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (0<<ADPS1) | (1<<ADPS0); // 500kHz
//sampleRate = 20000; bytesPerSec = 20000;
sampleRate = 19600; bytesPerSec = 19600;
//ADCSRA=(0<<ADEN) | (1<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (0<<ADPS0); // 250kHz
//sampleRate = 9800; bytesPerSec = 9800;
//sampleRate = 19230; bytesPerSec = 19230;
//ADCSRA=(0<<ADEN) | (1<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0); // 125kHz
//sampleRate = 4807; bytesPerSec = 4807;
ADCSRB=(0<<ADTS2) | (0<<ADTS1) | (0<<ADTS0);
}
// ADC interrupt service routine
ISR(ADC_vect)
{
static uint8_t count = 0;
static uint8_t temp=0;
static uint32_t temp_adc=0;
static uint16_t count_buf = 0;
if(ADMUX & (1<<MUX0)){
temp = ADCH;
ADMUX = ADC_VREF_TYPE | (0<<MUX0);//set ch 0
if(count_buf < 256) {
buf00[count_buf] = temp;
} else buf01[count_buf - 256] = temp;
if(count_buf == 255) {
n0=0; n1=1;
}
if(++count_buf > 511) {
count_buf=0; n0=1; n1=0;
}
}else{
temp_adc += ADCH;
ADMUX = ADC_VREF_TYPE | (1<<MUX0);//set ch 1
if (++count > ((127))) {
count = 0;
sum_adc = temp_adc>>7;
temp_adc=0;
}
}
}
ISR(TIMER2_COMPA_vect) {
sbi(ADCSRA, ADSC); // start ADC sample
while (bit_is_set(ADCSRA, ADSC)); // wait until ADSC bit goes low = new sample ready
recByteCount++; // increment sample counter
bufByteCount++;
if (bufByteCount == 256 && bufWrite == 0) {
bufByteCount = 0;
bufWrite = 1;
} else if (bufByteCount == 256 & bufWrite == 1) {
bufByteCount = 0;
bufWrite = 0;
}
if (bufWrite == 0) {
buf00[bufByteCount] = ADCH;
}
if (bufWrite == 1) {
buf01[bufByteCount] = ADCH;
}
}
Чт июн 16, 2022 19:05:46
Dimon456 писал(а):Вот полностью код
Чт июн 16, 2022 19:40:49
если в 1 килобайт твой код укладывается, тогда давай, выкладывай.roman.com писал(а):на этой ардуине работать не будет
roman.com писал(а):берём переменную х и записываем в неё данные из пинов 0,1,2,3 потр ССпойлер
if (PINC.0 == 1) {x |= 0b00000001;};
if (PINC.0 == 0) {x &= 0b11111110;};
if (PINC.1 == 1) {x |= 0b00000010;};
if (PINC.1 == 0) {x &= 0b11111101;};
if (PINC.2 == 1) {x |= 0b00000100;};
if (PINC.2 == 0) {x &= 0b11111011;};
if (PINC.3 == 1) {x |= 0b00001000;};
if (PINC.3 == 0) {x &= 0b11110111;};
в переменной х содержатся значения пинов 0,1,2,3 потр С
x = ((PINC&(1<<0))?(1<<0):0) \
| ((PINC&(1<<1))?(1<<1):0) \
| ((PINC&(1<<2))?(1<<2):0) \
| ((PINC&(1<<3))?(1<<3):0);