From fa4c74fdce4aecd1cc5cc1de83ff50b7ebc778dd Mon Sep 17 00:00:00 2001
From: ddebernardde <diego.debernard@student.uclouvain.be>
Date: Wed, 9 Nov 2022 05:11:24 +0100
Subject: [PATCH] uart ok
---
uart.cpp | 42 ++++++++++++++++++------------------------
1 file changed, 18 insertions(+), 24 deletions(-)
diff --git a/uart.cpp b/uart.cpp
index 098e9c6..8846998 100644
--- a/uart.cpp
+++ b/uart.cpp
@@ -5,6 +5,7 @@
#include <wiringSerial.h>
#include <wiringPi.h>
+#include <conio.h>
#include <iostream>
using namespace std;
@@ -15,6 +16,9 @@ const char TURN_OFF[] = "Turn Led Off";
int main(int argc, char const *argv[])
{
int fd = serialOpen("/dev/ttyS0", 9600);
+
+ char buffer[26];
+ int i = 0;
if (fd == -1 || wiringPiSetup() == -1) {
printf("UART PAS OK\n");
@@ -22,34 +26,24 @@ int main(int argc, char const *argv[])
}
serialPrintf(fd, TURN_ON);
- delay(1000);
- int response;
-
- while (true) {
- if (serialDataAvail(fd)) {
- response = serialGetchar(fd);
- break;
- }
- }
- cout << response << endl;
- printf("%c\n", response);
+ while (serialDataAvail(fd) > -1) {
+ buffer[i++] = serialGetchar(fd);
+ if (i == 25) break;
+ }
+ buffer[i] = '\0';
+ printf("%s\n", buffer);
+
+ delay(2000);
serialPrintf(fd, TURN_OFF);
+
+ while (serialDataAvail(fd) != 26) { }
- delay(200);
-
- while (true) {
- if (serialDataAvail(fd) > 0) {
- cout << serialDataAvail(fd) << endl;
- for (int i = 0; i < serialDataAvail(fd); i++)
- {
- response = serialGetchar(fd);
- }
- break;
- }
+ for (i = 0; i < 26; i++)
+ {
+ buffer[i] = serialGetchar(fd);
}
-
- cout << response << endl;
+ cout << buffer << endl;
serialClose(fd);
--
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