Serial.read() will not recieve repeating characters.
hi, i'm working on sketch read serial data. works when send duplicate characters funny data returning.
ex
if send:
123456789012345678901234567890
i get:
123456789012345678901234567890
however if send:
111111111222222222333333333333344444444444
i get:
11±1±1±1±22²2²2²2²233³3³3³3³344´4´4´4´4´
i have tried several things adding time delays, removing libraries may have conflicted different serial data sources. no improvement. can 63 characters despite changing buffer size command
#define _newss_max_rx_buff 128
any appreciated
ex
if send:
123456789012345678901234567890
i get:
123456789012345678901234567890
however if send:
111111111222222222333333333333344444444444
i get:
11±1±1±1±22²2²2²2²233³3³3³3³344´4´4´4´4´
i have tried several things adding time delays, removing libraries may have conflicted different serial data sources. no improvement. can 63 characters despite changing buffer size command
#define _newss_max_rx_buff 128
any appreciated
code: [select]
#include <newsoftserial.h>
newsoftserial myserial(4, 5);
//#include <serialglcd.h>
#define _newss_max_rx_buff 128 // rx buffer size
char string[128];
int count2 = 0;
int availablebytes;
void setup(){
// initialize serial communications:
serial.begin(9600);
myserial.begin(9600);
pinmode(8,output); //max 485 power
pinmode(13,output); //system latch
pinmode(10,output); // 485 write enable
delay(1000);
digitalwrite(8, 1);
digitalwrite(13, 1);
digitalwrite(10, 0);
delay(1000);
}
// serialglcd lcd; // initialisation
void loop()
{
serial.flush(); // clear buffer
while(myserial.available() == 0) // wait new data
{
}
delay(500); // wait data
availablebytes = myserial.available();
for(int i=0; i<availablebytes; i++)
{
delay(2);
string[i] = myserial.read(); //read array later processing
}
while(count2 < availablebytes)
{
delay(5);
serial.print(string[count2]); // display testing
count2 = count2+1;
}
count2 = 0;
}
i don't delays, nor flush. read hints:
http://www.gammon.com.au/serial
http://www.gammon.com.au/serial
Arduino Forum > Using Arduino > Programming Questions > Serial.read() will not recieve repeating characters.
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