luca visconti
for each button pressed nucleo sends a command, used to interface citroen steering wheel command to keenwood car radio
Dependencies: MBC002-DigitalIn
Fork of
steering_wheel_controls_TO_KEENWOOD_RADIO_INFRARED_INTERFACE
by 
luca visconti
Diff: main.cpp
- Revision:
- 10:4ff4a376a6fd
- Parent:
- 9:33d8b36e81d4
--- a/main.cpp Fri Jun 29 12:25:39 2018 +0000
+++ b/main.cpp Wed Jul 04 13:49:20 2018 +0000
@@ -1,29 +1,32 @@
#include "mbed.h"
-// DEFINE AN ARRAY FOR EACH COMMAND I NEED
-
-//int ARRAY_SOURCE[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,21,21,21,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,64,21,1};
-//int ARRAY_TEL[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,21,21,21,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,64,21,1};
+// DEFINE AN ARRAY FOR EACH COMMAND YOU NEED, IT CONTAINS A SEQUENCE OF VALUE FOR EACH COMMAND WE NEED,
+// SEE DOCUMENTATION: COMMAND PROTOCOL DETAILS
-//int ARRAY_SOURCE[] = {9000,4500,560,1690,560,560,560,560,560,1690,560,1690,560,1690,560,560,560,1690,560,560,560,1690,560,1690,560,560,560,560,560,560,560,1690,560,560,560,560,560,560,560,1690,560,560,560,1690,560,560,560,560,560,560,560,1690,560,1690,560,560,560,1690,560,560,560,1690,560,1690,560,1690,560,26};
-//int ARRAY_TEL[] = {9000,4500,560,1690,560,560,560,560,560,1690,560,1690,560,1690,560,560,560,1690,560,560,560,1690,560,1690,560,560,560,560,560,560,560,1690,560,560,560,560,560,560,560,1690,560,560,560,1690,560,560,560,560,560,560,560,1690,560,1690,560,560,560,1690,560,560,560,1690,560,1690,560,1690,560,26};
-
-int ARRAY_SOURCE[] = {4421,4447,560,1690,560,1690,560,1690,560,560,560,560,560,560,560,560,560,560,560,1690,560,1690,560,1690,560,560,560,560,560,560,560,560,560,560,560,1690,560,1690,560,1690,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,1690,560,1690,560,1690,560,1690,560,1690,560};
-int ARRAY_TEL[] = {4421,4447,560,1690,560,1690,560,1690,560,560,560,560,560,560,560,560,560,560,560,1690,560,1690,560,1690,560,560,560,560,560,560,560,560,560,560,560,1690,560,1690,560,1690,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,560,1690,560,1690,560,1690,560,1690,560,1690,560};
-
-//DEFINE MY OUTPUTS "led" is IRLED connected on PC_0, "myled" is STM32 NUCLEO board-led
+int ARRAY_SOURCE[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,64,21,21,21,21,21,21,21,21,21,21,21,64,21,64,21,21,21,64,21,64,21,64,21};
+int ARRAY_TEL[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,64,21,21,21,21,21,64,21,21,21,21,21,64,21,64,21,21,21,64,21,64,21,21,21,64,21,64,21,21,21};
+int ARRAY_VOLUP[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,21,21,21,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,64,21,1};
+int ARRAY_VOLDWN[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,64,21,21,21,64,21,21,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,64,21,64,21,64,21};
+int ARRAY_FF[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,64,21,21,21,64,21,21,21,21,21,21,21,21,21,21,21,21,21,64,21,21,21,64,21,64,21,64,21,64,21};
+int ARRAY_RR[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,64,21,21,21,64,21,21,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,64,21,64,21,64,21,64,21};
+int ARRAY_ROTUP[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,21,21,21,21,64,21,21,21,21,21,64,21,64,21,64,21,64,21};
+int ARRAY_ROTDWN[] = {342,171,21,64,21,21,21,21,21,64,21,64,21,64,21,21,21,64,21,21,21,64,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,21,21,64,21,64,21,21,21,21,21,21,21,21,21,64,21,64,21,21,21,21,21,64,21,64,21,64,21,64,21};
+
+//DEFINE MY OUTPUTS: "led" is IRLED (anode connected on PC_0, catode on GND), "myled" is STM32 NUCLEO board-led
DigitalOut myled(LED1);
DigitalOut led(PC_0);
//Define an input port for each command
-DigitalIn pushButton1(PC_1);
-DigitalIn pushButton2(PC_2);
-//DigitalIn pushButton3(PC_3);
-//DigitalIn pushButton4(PC_4);
-//DigitalIn pushButton5(PC_5);
-//DigitalIn pushButton6(PC_6);
-//DigitalIn pushButton7(PC_7);
+DigitalIn pushButton1(PC_1); //connect "SOURCE" steering wheel controls button to STMF401RE PC_1 port
+DigitalIn pushButton2(PC_2); //connect "TEL" steering wheel controls button to STMF401RE PC_2 port
+DigitalIn pushButton3(PC_3); //connect "VOLUP" steering wheel controls button to STMF401RE PC_3 port
+DigitalIn pushButton4(PC_4); //connect "VOLDWN" steering wheel controls button to STMF401RE PC_4 port
+DigitalIn pushButton5(PC_5); //connect "FF" steering wheel controls button to STMF401RE PC_5 port
+DigitalIn pushButton6(PC_6); //connect "RR" steering wheel controls button to STMF401RE PC_6 port
+DigitalIn pushButton7(PC_7); //connect "ROTUP" steering wheel controls button to STMF401RE PC_7 port
+DigitalIn pushButton8(PC_8); //connect "ROTDWN" steering wheel controls button to STMF401RE PC_8 port
+
//int x;
@@ -33,47 +36,60 @@
// Active Pull-Up Resistor
pushButton1.mode(PullDown);
pushButton2.mode(PullDown);
-// pushButton3.mode(PullDown);
-// pushButton4.mode(PullDown);
-// pushButton5.mode(PullDown);
-// pushButton6.mode(PullDown);
-// pushButton7.mode(PullDown);
-
-
+ pushButton3.mode(PullDown);
+ pushButton4.mode(PullDown);
+ pushButton5.mode(PullDown);
+ pushButton6.mode(PullDown);
+ pushButton7.mode(PullDown);
+ pushButton8.mode(PullDown);
// Inifite Loop
while(1) {
// DEFINE for each button pressed which is the array to send
-// IF any button is pressed the outputs level is 0
int ARRAY_SEND[67];
int i;
if(pushButton1 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_SOURCE[i];} }
else if(pushButton2 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_TEL[i];} }
- else {
-
+ else if(pushButton3 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_VOLUP[i];} }
+ else if(pushButton4 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_VOLDWN[i];} }
+ else if(pushButton5 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_FF[i];} }
+ else if(pushButton6 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_RR[i];} }
+ else if(pushButton7 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_ROTUP[i];} }
+ else if(pushButton8 == 1) { for (i=0;i<67;i++) {ARRAY_SEND[i]=ARRAY_ROTDWN[i];} }
+// IF any button is pressed the outputs level is 0
+ else {
// LEDs Turn-Off
led = 0;
myled =0;
}
-//If a button is 1
-if (pushButton1==1 || pushButton2 ==1 ) {
+//If a button is 1 CREATE A IRPULSE WAVEFORM THAT FOLLOW THE ARRAY_SEND
+if (pushButton1==1 || pushButton2 ==1 || pushButton3 ==1 || pushButton4 ==1 || pushButton5 ==1 || pushButton6 ==1 || pushButton7 ==1 || pushButton8 ==1 ) {
//From BIT 0 to the final BIT OF ARRAYSEND
-int BIT;
+int BIT,n;
for (BIT = 0; BIT < 67; BIT ++) {
-//if the position of bit is even turn on the leds for bit value time,
-//if bit is odd turn off the leds for bit value time
- if ( BIT % 2==0) {
+//if the position of BIT in ARRAYSEND is even, turn on/off the IRLED and BOARD LED following a 38000Hz modulation(13usON/13usOFF) for a number of cicles = BIT value
+ if ( BIT % 2==0) {
+ for (n =1; n <= ARRAY_SEND[BIT]; n++){
myled =1;
- led =1;
- wait_us (ARRAY_SEND[BIT]);}
-
- else {
+ led =1;
+ wait_us (13);
+ myled =0;
+ led =0;
+ wait_us (13);
+ }}
+//if the position of BIT in ARRAYSEND is odd, turn off the IRLED and BOARD LED following a 38000Hz modulation(13us+13us=26us OFF) for a number of cicles = BIT value
+ else {
+ for (n =1; n <= ARRAY_SEND[BIT]; n++){
myled =0;
- led =0;
- wait_us (ARRAY_SEND[BIT]);}
-
+ led =0;
+ wait_us (26);
+ }}
+ } // end for
+ //PUT 100000us OFF at the end of ARRAY_SEND IRPULSE WAVEFORM
myled =0;
- led =0;
- wait_us (9000);
-}}}}
\ No newline at end of file
+ led =0;
+ wait_us (110000);
+} // end if
+} //end while
+} //end main
\ No newline at end of file