Bert Gereels
Bert Gereels & Dylan Timmerman
Revision 0:620ca2412ef6, committed 2016-12-14
- Comitter:
- bertgereels
- Date:
- Wed Dec 14 13:35:53 2016 +0000
- Commit message:
- Capacitive Touch program; by Bert Gereels & Dylan Timmerman
Changed in this revision
diff -r 000000000000 -r 620ca2412ef6 i2c_qt1070.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/i2c_qt1070.cpp Wed Dec 14 13:35:53 2016 +0000
@@ -0,0 +1,73 @@
+#include "i2c_qt1070.h"
+extern "C" void mbed_reset();
+
+namespace I2cQt1070Device{
+ I2cQt1070::I2cQt1070(PinName sda, PinName scl, int address, int frequency)
+ : I2CSlave(sda, scl){
+
+ this->address(address);
+ this->frequency(frequency);
+ }
+
+ void I2cQt1070::check_for_instruction(void){
+ int addressed = receive();
+ switch (addressed) {
+ case I2CSlave::WriteAddressed:{
+ printf("Write addressedd\r\n");
+ process_write_request();
+ break;
+ }
+ case I2CSlave::ReadAddressed:{
+ printf("Read addressedd\r\n");
+ send_register_to_master();
+ break;
+ }
+ }
+ }
+
+ void I2cQt1070::send_register_to_master(void){
+ switch(qt1070Address){
+ case READ_ID:{
+ printf("Received id command\r\n");
+ char id = qt1070.getId();
+ char buffer[1];
+ buffer[0] = id;
+ write(buffer,1);
+ break;
+ }
+ case READ_FIRMWARE:{
+ printf("Received firmware command\r\n");
+ char version = qt1070.getFirmware();
+ char buffer[1];
+ buffer[0] = version;
+ write(buffer,1);
+ break;
+ }
+ case READ_KEY_STATUS:{
+ printf("Received key status command\r\n");
+ char status = qt1070.getStatus();
+ char buffer[1];
+ buffer[0] = status;
+ write(buffer,1);
+ break;
+ }
+
+ case RESET:{
+ printf("Received reset command\r\n");
+ mbed_reset();
+ stop();
+ break;
+ }
+ default:{
+ printf("Unknown command byte recieved from master\r\n");
+ }
+ }
+ }
+
+ int I2cQt1070::process_write_request(void){
+ char nextQt1070Address = this->read();
+ this->qt1070Address = nextQt1070Address;
+ this->stop();
+ }
+
+};
\ No newline at end of file
diff -r 000000000000 -r 620ca2412ef6 i2c_qt1070.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/i2c_qt1070.h Wed Dec 14 13:35:53 2016 +0000
@@ -0,0 +1,28 @@
+#pragma once
+#include "qt1070.h"
+#include "mbed.h"
+
+namespace I2cQt1070Device{
+
+ enum I2cInstruction{
+ READ_ID = 0, //adres 0x00
+ READ_FIRMWARE = 1, //adres 0x01
+ READ_KEY_STATUS = 3, //adres 0x03
+ RESET = 57//0x57
+ };
+
+ class I2cQt1070: public I2CSlave{
+
+ private:
+ Qt1070 qt1070;
+ char qt1070Address;
+ void send_register_to_master(void);
+ int process_write_request(void);
+
+ public:
+ I2cQt1070(PinName sda, PinName scl, int address=0x36, int frequency=100000);
+ void check_for_instruction(void);
+
+ };
+
+};
\ No newline at end of file
diff -r 000000000000 -r 620ca2412ef6 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 14 13:35:53 2016 +0000
@@ -0,0 +1,26 @@
+#include "mbed.h"
+#include "qt1070.h"
+#include "i2c_qt1070.h"
+
+DigitalOut myled3(LED3);
+DigitalOut myled2(LED2);
+DigitalOut myled1(LED1);
+
+using namespace I2cQt1070Device;
+int main() {
+
+ I2cQt1070 i2cQt1070(p28, p27, 0x36, 100000);
+ int cycleCounter = 0;
+ while(1){
+ i2cQt1070.check_for_instruction();
+
+ cycleCounter ++;
+
+ if(cycleCounter >= 100000){
+ myled1 = !myled1;
+ myled2 = !myled2;
+ myled3 = !myled3;
+ cycleCounter = 0;
+ }
+ }
+}
diff -r 000000000000 -r 620ca2412ef6 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Dec 14 13:35:53 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9bcdf88f62b0 \ No newline at end of file
diff -r 000000000000 -r 620ca2412ef6 qt1070.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qt1070.cpp Wed Dec 14 13:35:53 2016 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+#include "qt1070.h"
+
+BusIn joy(p15,p12,p13,p16,p14);
+
+namespace I2cQt1070Device{
+
+ Qt1070::Qt1070(unsigned int version, unsigned int id){
+ this->id = id;
+ this->version = version;
+ this->status = 0;
+ }
+
+ int Qt1070::getId(){ //Address 0: Chip ID
+ return id;
+ }
+
+ int Qt1070::getFirmware(){ //Address 1: Firmware Version
+ return version;
+ }
+
+ int Qt1070::getStatus(){ //Address 3: Key Status
+ int status = joy.read();
+ return status;
+ }
+
+};
\ No newline at end of file
diff -r 000000000000 -r 620ca2412ef6 qt1070.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qt1070.h Wed Dec 14 13:35:53 2016 +0000
@@ -0,0 +1,29 @@
+#pragma once
+#include "mbed.h"
+
+namespace I2cQt1070Device{
+
+ enum ButtonState{
+ UP = 0x04,
+ DOWN = 0x08,
+ LEFT = 0x01,
+ RIGHT = 0x02,
+ CENTER = 0x10
+ };
+
+ class Qt1070{
+
+ private:
+ unsigned int version;
+ unsigned int id;
+ char status;
+
+ public:
+ Qt1070(unsigned int version = 0x01, unsigned int id = 0xE2);
+ int getFirmware();
+ int getId();
+ int getStatus(); //status van knop (byte)
+
+ };
+};
+