Tamir Azjargal
I2C ディスプレイドライバー
Revision 0:f6fb4f3f9315, committed 2022-09-16
- Comitter:
- tamir_azjargal
- Date:
- Fri Sep 16 05:48:02 2022 +0000
- Commit message:
- I2C Display Driver
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 Fri Sep 16 05:48:02 2022 +0000
@@ -0,0 +1,75 @@
+#include "mbed.h"
+
+I2C disp(PB_7, PB_6);
+
+const int addr = 0x3E;
+
+Serial pc(USBTX, USBRX, 9600);
+
+uint8_t startup[10] = {
+ 0x38,
+ 0x39,
+ 0x14,
+ 0x70,
+ 0x54,
+ 0x77,//contrast
+ 0x6C,
+ 0x38,
+ 0x0F,
+ 0x01
+};
+
+uint8_t message[16] = {
+ 0xB1,
+ 0xB2,
+ 0xB3,
+ 0xB4,
+ 0xB5,
+ 0xB6,
+ 0xB7,
+ 0xB8,
+ 0xB9,
+ 0xBA,
+ 0xBB,
+ 0xBC,
+ 0xBD,
+ 0xBE,
+ 0xBF,
+ 0xC0
+};
+
+
+DigitalOut LED(LED1);
+DigitalIn pa5(PA_5);
+DigitalIn pa6(PA_6);
+
+void commandWrite(uint8_t command)
+{
+ char package[2];
+ package[0] = 0x80;
+ package[1] = (char)command;
+ disp.write(addr << 1, (char *)package, 2);
+}
+
+void dataWrite(uint8_t data)
+{
+ char package[2];
+ package[0] = 0xC0;
+ package[1] = (char)data;
+ disp.write(addr << 1, (char *)package, 2);
+}
+
+int main()
+{
+ LED = 0;
+ disp.frequency(100000);
+ for(int i = 0; i < sizeof(startup); i++) {
+ commandWrite(*(startup + i));
+ }
+ wait_ms(10);
+ for(int i = 0; i < sizeof(message); i++) {
+ dataWrite(*(message + i));
+ if(i == 7) commandWrite(0xC0);
+ }
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Sep 16 05:48:02 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file