Equipo7 LabMicros / Mbed 2 deprecated I2C_2A

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Dependencies:   mbed

main.cpp@0:96fa55991f93, 2022-04-25 (annotated)

Committer:
fernando_moraless
Date:
Mon Apr 25 05:48:21 2022 +0000
Revision:
0:96fa55991f93
Child:
1:ac7a077c0039
Master

Who changed what in which revision?

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