AEWS
/
I2C_prototyp
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Dependencies: mbed
Revision 0:4d7c9685a120, committed 2018-05-08
- Comitter:
- sjpabury
- Date:
- Tue May 08 09:43:12 2018 +0000
- Commit message:
- Erstes Testprogramm zum I/O Expander (I2C)
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 Tue May 08 09:43:12 2018 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+
+I2C i2c(p28, p27);
+DigitalIn button(p20);
+
+const int addr = 0b01000000;
+char cmd_output[2];
+char cmd_input[2];
+char input;
+int num[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
+
+int main() {
+ cmd_output[0]=0x06;
+ cmd_output[1]=0x00;
+ cmd_input[0]=0x07;
+ cmd_input[1]=0b00001111;
+ i2c.write(addr, cmd_output, 2);
+ i2c.write(addr, cmd_input, 2);
+ cmd_output[0]=0x02;
+ cmd_input[0]=0x01;
+ while(1) {
+
+ if(button)
+ {
+ input = i2c.read(addr, cmd_input, 2);
+
+ cmd_output[1]=num[input];
+ i2c.write(addr, cmd_output, 2);
+ wait(0.2);
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue May 08 09:43:12 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/5aab5a7997ee \ No newline at end of file