Nathan Yonkee / Mbed OS Seeed_Grove_4_Digit_Display_Clock

fork of seeed studio 4-digit display for st nucleo board

Dependencies:   Data_Clock_Pair Seeed_Chainable_LED Seeed_Four_Digit_Disp Seeed_IR_Temp_Sensor Seeed_Led_Bar

Fork of Seeed_Grove_4_Digit_Display_Clock by Seeed

Files at this revision

API Documentation at this revision

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

SeeedQTouch.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- /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