Equipo7 LabMicros / Mbed 2 deprecated I2C_2A

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

main.cpp@1:ac7a077c0039, 2022-04-25 (annotated)

Committer:
micros22eq7
Date:
Mon Apr 25 18:36:36 2022 +0000
Revision:
1:ac7a077c0039
Parent:
0:96fa55991f93
Child:
2:247fd31aff31
Conexion entre microcontroladores KL25Z por protocolo de comunicacion I2C. Modulo para MASTER / MAESTRO.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
micros22eq7 1:ac7a077c0039 1 //CÓDIGO 2-A
micros22eq7 1:ac7a077c0039 2
fernando_moraless 0:96fa55991f93 3 #include "mbed.h"
fernando_moraless 0:96fa55991f93 4
fernando_moraless 0:96fa55991f93 5 #define BUFFER_SIZE 8
fernando_moraless 0:96fa55991f93 6 #define SLAVE_ADDR 0xA0
fernando_moraless 0:96fa55991f93 7
fernando_moraless 0:96fa55991f93 8 Serial pc(USBTX, USBRX);
fernando_moraless 0:96fa55991f93 9 I2C master(I2C_SDA, I2C_SCL);
fernando_moraless 0:96fa55991f93 10
fernando_moraless 0:96fa55991f93 11 static const char* to_send[] = { "abcde", "12345", "EFGHI" };
fernando_moraless 0:96fa55991f93 12 int main()
fernando_moraless 0:96fa55991f93 13 {
micros22eq7 1:ac7a077c0039 14 pc.printf("\x1b[2J"); //CLEAR
fernando_moraless 0:96fa55991f93 15 pc.printf("\r"); //Mueve cursor al origen
micros22eq7 1:ac7a077c0039 16 pc.printf("I'M MASTER\r\n");
fernando_moraless 0:96fa55991f93 17
fernando_moraless 0:96fa55991f93 18 master.frequency (100000);
fernando_moraless 0:96fa55991f93 19 char buf[BUFFER_SIZE];
fernando_moraless 0:96fa55991f93 20 int send_index = 0;
fernando_moraless 0:96fa55991f93 21 while (1)
fernando_moraless 0:96fa55991f93 22 {
fernando_moraless 0:96fa55991f93 23 strcpy(buf, to_send[send_index]);
fernando_moraless 0:96fa55991f93 24
fernando_moraless 0:96fa55991f93 25 // Write the new message to the slave
fernando_moraless 0:96fa55991f93 26 if (master.write(SLAVE_ADDR, buf, BUFFER_SIZE) == 0)
fernando_moraless 0:96fa55991f93 27 {
fernando_moraless 0:96fa55991f93 28 pc.printf("Written to slave: %s\r\n", buf);
fernando_moraless 0:96fa55991f93 29 }
fernando_moraless 0:96fa55991f93 30 // Read what the slave has (should be identical)
fernando_moraless 0:96fa55991f93 31
fernando_moraless 0:96fa55991f93 32 if (master.read(SLAVE_ADDR, buf, BUFFER_SIZE) == 0) {
fernando_moraless 0:96fa55991f93 33 pc.printf("Read from slave: %s\r\n", buf);
fernando_moraless 0:96fa55991f93 34 }
fernando_moraless 0:96fa55991f93 35
fernando_moraless 0:96fa55991f93 36 // Change the message we're writing to the slave
fernando_moraless 0:96fa55991f93 37 send_index++;
fernando_moraless 0:96fa55991f93 38 if (send_index > 2) {
fernando_moraless 0:96fa55991f93 39 send_index = 0;
fernando_moraless 0:96fa55991f93 40 }
fernando_moraless 0:96fa55991f93 41 }
fernando_moraless 0:96fa55991f93 42 }