Mike EI2I
Gestion de la couleur du rétroéclairage de l'écran LCD avec un potentiomètre
Revision 0:b4bc4c1ec1e8, committed 2015-03-25
- Comitter:
- Kemix
- Date:
- Wed Mar 25 08:17:50 2015 +0000
- Commit message:
- Debut du code
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 |
diff -r 000000000000 -r b4bc4c1ec1e8 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Mar 25 08:17:50 2015 +0000
@@ -0,0 +1,109 @@
+#include "mbed.h"
+
+I2C link(I2C_SDA, I2C_SCL);
+const int addr = 0x7C;
+
+void Init(void){
+ char cmd[2];
+ cmd[0] = 0x80;
+ cmd[1] = 0x3C;
+ link.write(addr,cmd,2);
+ wait_us(100);
+
+ cmd[1] = 0x0F;
+ link.write(addr,cmd,2);
+ wait_us(100);
+
+ cmd[1] = 0x01;
+ link.write(addr,cmd,2);
+ wait_ms(2);
+
+ cmd[1] = 0x06;
+ link.write(addr,cmd,2);
+ wait_us(100);
+}
+
+void initRGB(void){
+ char cmd[2];
+
+ cmd[0] = 0x00;
+ cmd[1] = 0x00;
+ link.write(0xC4,cmd,2);
+ wait_us(100);
+
+ cmd[0] = 0x01;
+ cmd[1] = 0x00;
+ link.write(0xC4,cmd,2);
+ wait_us(100);
+
+ cmd[0] = 0x08;
+ cmd[1] = 0xAA;
+ link.write(0xC4,cmd,2);
+ wait_us(100);
+}
+
+void setup(char R,char G, char B){
+ char cmd[2];
+
+ cmd[0] = 0x02;
+ cmd[1] = B;
+ link.write(0xC4,cmd,2);
+ wait_us(100);
+
+ cmd[0] = 0x03;
+ cmd[1] = G;
+ link.write(0xC4,cmd,2);
+ wait_us(100);
+
+ cmd[0] = 0x04;
+ cmd[1] = R;
+ link.write(0xC4,cmd,2);
+ wait_us(100);
+}
+
+
+int main(void){
+ AnalogIn Pot(A0);
+
+ char data[12];
+ char R,G,B;
+
+ Init();
+ initRGB();
+
+ data[0] = 0x40;
+ data[1] = 'H';
+ data[2] = 'e';
+ data[3] = 'l';
+ data[4] = 'l';
+ data[5] = 'o';
+ data[6] = ' ';
+ data[7] = 'W';
+ data[8] = 'o';
+ data[9] = 'r';
+ data[10] = 'l';
+ data[11] = 'd';
+
+ link.write(addr,data,12);
+
+ while(1){
+ if( (Pot>0.2f) & (Pot<=0.4f)){
+ R = 0xFF;
+ G = 0x00;
+ B = 0x00;
+ }else if( (Pot>0.4f) & (Pot<=0.6f) ){
+ R = 0x00;
+ G = 0xFF;
+ B= 0x00;
+ }else if( (Pot>0.6f) ){
+ R = 0x00;
+ G = 0x00;
+ B = 0xFF;
+ }else{
+ R = 0x00;
+ G = 0x00;
+ B = 0x00;
+ }
+ setup(R,G,B);
+ }
+}
\ No newline at end of file
diff -r 000000000000 -r b4bc4c1ec1e8 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Mar 25 08:17:50 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/7e07b6fb45cf \ No newline at end of file