Fernando Morales
/
I2C_MASTER
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Revision 0:96fa55991f93, committed 2022-04-25
- Comitter:
- fernando_moraless
- Date:
- Mon Apr 25 05:48:21 2022 +0000
- Commit message:
- Master
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Apr 25 05:48:21 2022 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+
+#define BUFFER_SIZE 8
+#define SLAVE_ADDR 0xA0
+
+Serial pc(USBTX, USBRX);
+I2C master(I2C_SDA, I2C_SCL);
+
+static const char* to_send[] = { "abcde", "12345", "EFGHI" };
+int main()
+{
+ pc.printf("\x1b[2J"); //CLEAR
+ pc.printf("\r"); //Mueve cursor al origen
+ pc.printf("MASTER\r\n");
+
+ master.frequency (100000);
+ char buf[BUFFER_SIZE];
+ int send_index = 0;
+ while (1)
+ {
+ strcpy(buf, to_send[send_index]);
+
+ // Write the new message to the slave
+ if (master.write(SLAVE_ADDR, buf, BUFFER_SIZE) == 0)
+ {
+ pc.printf("Written to slave: %s\r\n", buf);
+ }
+ // Read what the slave has (should be identical)
+
+ if (master.read(SLAVE_ADDR, buf, BUFFER_SIZE) == 0) {
+ pc.printf("Read from slave: %s\r\n", buf);
+ }
+
+ // Change the message we're writing to the slave
+ send_index++;
+ if (send_index > 2) {
+ send_index = 0;
+ }
+
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Apr 25 05:48:21 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file