envoi de données de arduino vers Raspi sur port serie

lahouass
1 parent 0b8d6477
Showing 1 changed file with 56 additions and 0 deletions Show diff stats
arduinoToRpi.c
@@ -0,0 +1,56 @@
+#include <avr/io.h>			// for the input/output register
+#include <avr/interrupt.h> 	
+#include <util/delay.h>  
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define PRESCALER 1024
+#define TIME_SLOT 20
+#define NB_TICK 113
+#define BAUDRATE	103
+
+void send_serial(unsigned char c)
+{
+	loop_until_bit_is_set(UCSR0A, UDRE0);
+	UDR0 = c;
+}
+
+void send_msg(void){
+    char msg[] = "Bonjour\r\n";
+    while(1){ //nécessaire pour eviter d'executer la tache une seule fois
+        int i=0;
+      for(i=0; i<strlen(msg); i++){
+          send_serial(msg[i]);
+          _delay_ms(100);
+          
+}
+
+
+void init_serial(void)
+{
+	/* ACHTUNG : we suppose UBRR value < 0xff */
+	/* Not true in all case */
+	uint8_t baudrate = BAUDRATE;
+	/* Set baud rate */
+	UBRR0H = 0;
+	UBRR0L = baudrate;
+
+	/* Enable transmitter *///task_led_red();
+      //task_send_serial('A');
+	UCSR0B = (1<<TXEN0);
+
+	/* Set frame format */
+	UCSR0C = 0x06;
+    
+}
+
+
+int main(void)
+{
+   init_serial();
+   while(1){
+   send_serial('A');
+   sleep(3000)}
+}
 \ No newline at end of file