Equipo7 LabMicros / Mbed 2 deprecated I2C_3A

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 MMA8451Q

main.cpp@1:936a1850d885, 2022-04-25 (annotated)

Committer:
micros22eq7
Date:
Mon Apr 25 18:46:01 2022 +0000
Revision:
1:936a1850d885
Parent:
0:a9e068e17f41
Child:
3:777d4daea16d
Obtencion de valores del acelerometro interno del KL25Z y conexion entre microcontroladores KL25Z por protocolo de comunicacion I2C. Modulo MASTER / MAESTRO.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
micros22eq7 1:936a1850d885 1 //CÓDIGO 3-A
fernando_moraless 0:a9e068e17f41 2
fernando_moraless 0:a9e068e17f41 3 #include "mbed.h"
fernando_moraless 0:a9e068e17f41 4 #include "MMA8451Q.h"
fernando_moraless 0:a9e068e17f41 5 #include "stdio.h"
fernando_moraless 0:a9e068e17f41 6 #include "stdlib.h"
fernando_moraless 0:a9e068e17f41 7
fernando_moraless 0:a9e068e17f41 8 #define MMA8451_I2C_ADDRESS (0x1d << 1)
fernando_moraless 0:a9e068e17f41 9 Serial pc(USBTX, USBRX);
fernando_moraless 0:a9e068e17f41 10
fernando_moraless 0:a9e068e17f41 11 #define BUFFER_SIZE 50
fernando_moraless 0:a9e068e17f41 12 #define SLAVE_ADDR 0xA0
fernando_moraless 0:a9e068e17f41 13 I2C master(I2C_SDA, I2C_SCL);
fernando_moraless 0:a9e068e17f41 14
fernando_moraless 0:a9e068e17f41 15
fernando_moraless 0:a9e068e17f41 16 int main(void)
fernando_moraless 0:a9e068e17f41 17 {
fernando_moraless 0:a9e068e17f41 18 master.frequency (100000);
micros22eq7 1:936a1850d885 19 pc.printf("\x1b[2J"); //CLEAR
fernando_moraless 0:a9e068e17f41 20 pc.printf("\r"); //Mueve cursor al origen
fernando_moraless 0:a9e068e17f41 21 pc.printf("MASTER\r\n");
fernando_moraless 0:a9e068e17f41 22
fernando_moraless 0:a9e068e17f41 23 char buf[BUFFER_SIZE];
fernando_moraless 0:a9e068e17f41 24
fernando_moraless 0:a9e068e17f41 25 MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
fernando_moraless 0:a9e068e17f41 26 // SDA SCL DIRECCIÓN
fernando_moraless 0:a9e068e17f41 27
fernando_moraless 0:a9e068e17f41 28 PwmOut rled(LED1);
fernando_moraless 0:a9e068e17f41 29 PwmOut gled(LED2);
fernando_moraless 0:a9e068e17f41 30 PwmOut bled(LED3);
fernando_moraless 0:a9e068e17f41 31
fernando_moraless 0:a9e068e17f41 32 if (master.read(SLAVE_ADDR, buf, BUFFER_SIZE) == 0) {
fernando_moraless 0:a9e068e17f41 33 pc.printf("CONECTADO %s\r\n", buf);
fernando_moraless 0:a9e068e17f41 34 }
fernando_moraless 0:a9e068e17f41 35
micros22eq7 1:936a1850d885 36 float x, y, z; // Aceleracion en cada eje
fernando_moraless 0:a9e068e17f41 37
fernando_moraless 0:a9e068e17f41 38 while (true) {
fernando_moraless 0:a9e068e17f41 39
micros22eq7 1:936a1850d885 40 x = abs(acc.getAccX()); // Obtener aceleracion en cada eje
fernando_moraless 0:a9e068e17f41 41 y = abs(acc.getAccY());
fernando_moraless 0:a9e068e17f41 42 z = abs(acc.getAccZ());
micros22eq7 1:936a1850d885 43
micros22eq7 1:936a1850d885 44 wait(1);
micros22eq7 1:936a1850d885 45
micros22eq7 1:936a1850d885 46 rled = 1.0f - x; //Encender LED interno
fernando_moraless 0:a9e068e17f41 47 gled = 1.0f - y;
fernando_moraless 0:a9e068e17f41 48 bled = 1.0f - z;
fernando_moraless 0:a9e068e17f41 49
micros22eq7 1:936a1850d885 50 //pc.printf("X: %1.1f, Y: %1.1f, Z: %1.1f\r\n", x, y, z);
micros22eq7 1:936a1850d885 51 sprintf(buf, "%1.1f, %1.1f, %1.1f", x, y, z);
fernando_moraless 0:a9e068e17f41 52 pc.printf("%s\r\n", buf);
micros22eq7 1:936a1850d885 53
fernando_moraless 0:a9e068e17f41 54 if (master.write(SLAVE_ADDR, buf, BUFFER_SIZE) == 0)
fernando_moraless 0:a9e068e17f41 55 {
fernando_moraless 0:a9e068e17f41 56 wait(0.2);
fernando_moraless 0:a9e068e17f41 57 pc.printf("Written to slave: %s\r\n", buf);
fernando_moraless 0:a9e068e17f41 58 }
fernando_moraless 0:a9e068e17f41 59
fernando_moraless 0:a9e068e17f41 60 wait(1);
fernando_moraless 0:a9e068e17f41 61
fernando_moraless 0:a9e068e17f41 62 if (master.write(SLAVE_ADDR, buf, BUFFER_SIZE) == 0)
fernando_moraless 0:a9e068e17f41 63 {
fernando_moraless 0:a9e068e17f41 64 wait(0.2);
fernando_moraless 0:a9e068e17f41 65 pc.printf("Written to slave: %s\r\n", buf);
fernando_moraless 0:a9e068e17f41 66 }
fernando_moraless 0:a9e068e17f41 67 }
fernando_moraless 0:a9e068e17f41 68 }