Revision 20:2e72ddd68cda, committed 2017-06-22

Comitter:

tulanthoar

Date:

Thu Jun 22 12:17:29 2017 -0600

Parent:

19:ad7bc3db9f1a

Commit message:

add q touch which doesn't work yet

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SeeedQTouch.h	Thu Jun 22 12:17:29 2017 -0600
@@ -0,0 +1,72 @@
+#ifndef MBED_SEEED_Q_TOUCH_H
+#define MBED_SEEED_Q_TOUCH_H
+#include "mbed.h"
+#include "DataClockPair.h"
+
+#define QTOUCH_REG_RESET        0X39            // reset
+class SeeedQTouch {
+
+    static const int devAddr_ = 0x1b;
+    int readOpCode_;
+    int writeOpCode_;
+    static const int stateReg_ = 0x03;
+    static const int calibrateReg_ = 0x38;
+    I2C i2c_;
+    int read_register_(int address, Serial* pc);
+    int read_state_(Serial* pc);
+  public:
+    SeeedQTouch(DataClockPair pins);
+    int key_touch(Serial* pc);
+};
+
+SeeedQTouch::SeeedQTouch(DataClockPair pins) : i2c_(pins.dataPin, pins.clockPin) {
+    /* readOpCode_ = devAddr_ | 0x01; */
+    /* writeOpCode_ = devAddr_ & 0xFE; */
+    /* writeOpCode_ = devAddr_ | 0x00; */
+    readOpCode_ = devAddr_;
+    writeOpCode_ = devAddr_;
+}
+
+int SeeedQTouch::read_register_(int address, Serial* pc) {
+    int success;
+    char dataWrite[2];
+    char resetWrite[2];
+    char dataRead[2];
+dataWrite[0] = 0x00;
+dataWrite[1] = 0x55;
+resetWrite[0] = QTOUCH_REG_RESET;
+resetWrite[1] = 0x55;
+    /* int success = i2c_.write(devAddr_, dataWrite, 1, 0); */
+    /* if( pc ) pc->printf("requesting register %i success is %i", dataWrite[0], success); */
+/* dataWrite[0] = 0x55; */
+    success = i2c_.write(writeOpCode_, resetWrite, 2);
+    success = i2c_.write(writeOpCode_, dataWrite, 2);
+    if( pc ) pc->printf("requesting register %i success is %i", dataWrite[0], success);
+    /* dataWrite[0] = stateReg_; */
+    /* wait_ms(1); */
+    /* i2c_.start(); */
+    /* wait_ms(1); */
+    /* success = i2c_.write(devAddr_, dataWrite, 1, 1); */
+    /* wait_ms(1); */
+    success = i2c_.read(readOpCode_, dataRead, 2);
+    if( pc ) pc->printf("return value is %i or %i success is %i", dataRead[0] , dataRead[1], success);
+    /* i2c_.stop(); */
+    wait_ms(1);
+    /* int result; */
+    /* i2c_.start(); */
+    wait_ms(1);
+    /* result = i2c_.read(1); */
+    wait_ms(1);
+    /* i2c_.stop(); */
+    return dataRead[0];
+}
+
+int SeeedQTouch::read_state_(Serial* pc) {
+    return read_register_(0x03, pc);
+}
+
+int SeeedQTouch::key_touch(Serial* pc = 0) {
+    int keys = read_state_(pc);
+    return(keys);
+}
+#endif

--- a/main.cpp	Thu Jun 22 12:16:02 2017 -0600
+++ b/main.cpp	Thu Jun 22 12:17:29 2017 -0600
@@ -15,7 +15,7 @@
 
 void blink_led() {
     for(DigitalOut led(PF_12);; Thread::wait(1000) ) {
-        led = !led
+        led = !led;
     }
 }
 } // namespace