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daq-bbb-code
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corrections

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master
Sayeth 5 years ago
parent 9cb52e6269
commit 225d97c9dc
3 changed files with 41 additions and 43 deletions
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24
daq.c
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@ -102,14 +102,14 @@ int DAQ(int t_hrs, int sp_s)
{
FILE* dfp; // create a file pointer
const char colums[200] = "t(s)\tCO2 uf(ppm)\tCO2(ppm)\tCO uf(ppm)\t"\
"CO(ppm)\tO2(ppm)\tO2(%%)\tT C02(ºC*10)\t"\
"T 02(ºC)\tP C02(.mBar)\tP 02(mBar)\tRH(.)\n";
unsigned char co2_uf[10]="", co2_f[10]="",
co_uf[10]="", co_f[10]="",
o2_ppm[10]="", o2_xcent[10]="",
co2_temp[10]="", o2_temp[10]="",
co2_press[10]="", o2_press[10]="",
co2_relH[10]="", DATA[100]=""; //measurements varirables
"CO(ppm)\tO2(ppm)\tO2(%%)\tT C0(ºC*10)\t"\
"T 02(ºC)\tP C0(.mBar)\tP 02(mBar)\tRH(.)\n";
unsigned char co2_uf[10]="", co2_f[10]="",
co_uf[10]="", co_f[10]="",
o2_ppm[10]="", o2_xcent[10]="",
co_temp[10]="", o2_temp[10]="",
co_press[10]="", o2_press[10]="",
co_relH[10]="", DATA[100]=""; //measurements varirables
time_t curtime; //current time (date)
clock_t start_t, end_t; //processing time measurements variables
time_t next_samp_time, t0; //time control variables
@ -152,16 +152,16 @@ int DAQ(int t_hrs, int sp_s)
memcpy(co_f, getMeasures(receive[COAF], 'Z', 5), 5);
memcpy(o2_ppm, getMeasures(receive[LuminOX], 'O', 6), 6);
memcpy(o2_xcent, getMeasures(receive[LuminOX], '%', 6), 6);
memcpy(co2_temp, getMeasures(receive[SprintIR],'T', 5), 5);
memcpy(co_temp, getMeasures(receive[COAF], 'T', 5), 5);
memcpy(o2_temp, getMeasures(receive[LuminOX], 'T', 5), 5);
memcpy(co2_press,getMeasures(receive[SprintIR],'B', 5), 5);
memcpy(co_press, getMeasures(receive[COAF], 'B', 5), 5);
memcpy(o2_press, getMeasures(receive[LuminOX], 'P', 4), 4);
memcpy(co2_relH, getMeasures(receive[SprintIR],'H', 5), 5);
memcpy(co_relH, getMeasures(receive[COAF], 'H', 5), 5);
//saving formated measurements in string DATA
sprintf(DATA,
"%d\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s",
(int)t, co2_uf, co2_f, co_uf, co_f, o2_ppm, o2_xcent,
co2_temp, o2_temp, co2_press, o2_press, co2_relH);
co_temp, o2_temp, co_press, o2_press, co_relH);
printf("\r%s", DATA); //showing measurements on display
dfp = fopen(data_file_path, "a"); // open file for writing

53
uart.c
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@ -1,5 +1,5 @@
/*
asd
comments
*/
//libraries
#include "uart.h"
@ -7,27 +7,24 @@
//paths and global variables
#define incomplet_uart_path "/dev/ttyO"
int uartFile[6]; //file descriptor
int uartFile[6]; //file descriptor
unsigned char receive[6][100]; //declare a buffer for receiving data
struct termios options; //The termios structure is vital
struct termios options; //The termios structure
//funtions
// *** FUNCTIONS ***
int uartConf(unsigned char uartNumber, int baudRate){
int uartConf(unsigned char uartNumber, int baudRate)
{
unsigned char fullFileName[11];
//completing uart file path
if ((uartNumber == 1) ||
(uartNumber == 2) ||
(uartNumber == 4) ||
(uartNumber == 5)) sprintf(fullFileName, incomplet_uart_path "%d", uartNumber);
if ((uartNumber==1)||(uartNumber==2)||(uartNumber==4)||(uartNumber==5))
sprintf(fullFileName, incomplet_uart_path "%d", uartNumber);
else{
perror("Wrong UART number. " \
"UART numbers availables 1, 2, 4 or 5.\n");
return 2;
perror("Wrong UART number. " \
"UART numbers availables 1, 2, 4 or 5.\n");
return 2;
}
//openign uart file
printf("Configuring UART%d.\n", uartNumber);
if ((uartFile[uartNumber] = open(fullFileName, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK))<0){
@ -36,16 +33,14 @@ int uartConf(unsigned char uartNumber, int baudRate){
perror("UART: Failed to open the file.\n");
return -1;
}
//Sets the parameters associated with file
tcgetattr(uartFile[uartNumber], &options);
//cleaning flags
options.c_ispeed = 0;
options.c_lflag = 0;
options.c_line = 0;
options.c_oflag = 0;
options.c_ospeed = 0;
options.c_ospeed = 0
// Set up the communications options:
// 8-bit, enable receiver, no modem control lines
options.c_cflag = baudRate | CS8 | CREAD | CLOCAL;
@ -54,22 +49,22 @@ int uartConf(unsigned char uartNumber, int baudRate){
//options.c_lflag = ICANON;
tcflush(uartFile[uartNumber], TCIOFLUSH); //discard file information not transmitted
tcsetattr(uartFile[uartNumber], TCSANOW, &options); //changes occur immmediately
printf("UART%d configurated.\n", uartNumber);
return 0;
}
int uartClose(unsigned char uartNumber){
printf("Closing UART4.\n"); close(uartFile[uartNumber]);
int uartClose(unsigned char uartNumber)
{
printf("Closing UART%d.\n", uartNumber);
close(uartFile[uartNumber]);
return 0;
}
int uartTransmit(unsigned char uartNumber, unsigned char message[]){
int uartTransmit(unsigned char uartNumber, unsigned char message[])
{
int count;
//writing file
if ((count = write(uartFile[uartNumber], message, (strlen(message))))<0){ //send the string
perror("Failed to write to the output\n");
@ -80,8 +75,8 @@ int uartTransmit(unsigned char uartNumber, unsigned char message[]){
return 0;
}
int uartReceive(unsigned char uartNumber){
int uartReceive(unsigned char uartNumber)
{
int count;
/*if ((count = read(uartFile[uartNumber], (void*)receive[uartNumber], 100))<0){ //receive[uartNumber] the data

7
uart.h
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@ -1,7 +1,7 @@
/*
/*
* Copyright (C) 2019 Akshay Patwardhan
* akshay.patwardhan@outlook.com
*
*
* Please go through readme.md for usage and other instructions, if any.
*
* This program is free software: you can redistribute it and/or modify
@ -40,6 +40,9 @@
#define UART_INCORRECT_PATH 4
// Function declarations
/*
* uartNumber as unsigned char (8 bits) to reduce RAM usage
*/
int uartConf(unsigned char uartNumber, int baudRate);
int uartClose(unsigned char uartNumber);
int uartTransmit(unsigned char uartNumber, unsigned char message[]);

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