Diff: io.h

Branch:

KS3

Revision:

30:f67850cc3cfe

Child:

31:b5e19d153db4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/io.h	Mon May 23 05:15:58 2016 +0000
@@ -0,0 +1,112 @@
+#ifndef io_H_
+#define io_H_
+
+#include "mbed.h"
+
+//#define UART_DEBUG
+
+//#define PCB_VER1 // define for ver1 board (P0_26/27 -> P0_24/25) & ADC
+//#define PCB_VER2
+//#define PCB_VER3 // default
+#define PCB_VER4 // with HX711
+
+//#define USE_JOYSTICK // define for using joystick as power switch in PCB_VER1
+
+// memo of load cell / gain
+// 0.9mV/kg(raw) -> 0.54V/kg(x600)
+// FS=+-1.65V -> 3.06kg(FS)
+
+// 0.9mV/kg(raw) -> 0.297V/kg(x330)
+// FS=+-1.65V -> 3.06kg(FS)
+
+//#define WEIGHT_COEFFICIENT              (8.64)
+//#define WEIGHT_COEFFICIENT              (3.15)
+// weight calibration on 2016/3/28 by akita11 in weight_calib150328.txt
+#define WEIGHT_COEFFICIENT              (682.32) // for PCB_VER4
+// 2000g = 6300
+
+//#define DISPLAY_ZERO_SUPPRESS // leading zero suppress on display
+
+class io {
+public:
+#ifdef PCB_VER4
+    io(PinName CLK, PinName DAT);
+#else
+    io();
+#endif
+    ~io(); 
+    int display_value; // 4-digit integer to display
+    void display(float f); // set display brightness (0.0 - 1.0)
+
+    float get_weight(); // get (calibrated) weight [g]
+#ifdef PCB_VER4
+    uint32_t get_weight_raw(); // ADC raw value of weight gauage
+#else
+    uint16_t get_weight_raw(); // ADC raw value of weight gauage
+#endif
+    uint8_t get_switch(); // get switch status (1=pressed, 0=released)
+
+    void calibrate_weight(); // calibrate weight gauage
+    void analog_pow(uint8_t f); // turn on/off analog power
+
+#ifdef PCB_VER4
+    uint32_t _get_adc_raw(uint8_t ch); // ADC raw value, 0x0000 - 0xffffff 
+    uint32_t _adc0; // ADC value for calibrating zero point
+#else
+    uint16_t _get_adc_raw(uint8_t ch); // ADC raw value, 0x0000 - 0xffff 
+    uint16_t _adc0; // ADC value for calibrating zero point
+#endif
+
+#ifdef PCB_VER4
+    void power_save_mode(uint8_t f); // f=1 for power-save mode during sleep
+#endif
+
+ private:
+#ifdef PCB_VER4
+#endif
+    uint8_t _seg[4];
+    float _get_adc(uint8_t ch); // ADC value, 0.0 - 1.0
+#ifdef PCB_VER1
+    float _get_x(); // raw value of joystick X
+    float _get_y(); // raw value of joystick Y
+#endif
+    // belows are for internal use only
+    int _display_value;
+    uint8_t _col;
+    uint8_t _row_out[8];
+    void _set_col();
+    void _set_row(uint8_t d);
+    uint8_t _set_segment(uint8_t d);
+    void _timer_ticker();
+    DigitalOut *_sg0, *_sg1, *_sg2, *_sg3, *_sg4, *_sg5, *_sg6, *_sg7;
+    DigitalOut *_sa0, *_sa1, *_sa2, *_pow;
+#ifdef PCB_VER1
+    AnalogIn *_jx, *_jy, *_weight;
+#endif
+#ifdef PCB_VER2
+    char _adc_dat[4];
+#endif
+    PwmOut *_pwm;
+#ifdef PCB_VER3
+    DigitalIn *_sw;
+    DigitalOut *_adc_ck;
+    DigitalIn *_adc_di;
+    uint8_t _fDisplaying;
+#endif
+#ifdef PCB_VER4
+    DigitalIn *_sw;
+//    DigitalOut *_adc_ck; // for software SPI
+//    DigitalIn *_adc_di; // for software SPI
+    DigitalOut *_reg_ps;
+    DigitalOut *_adc_rate;
+    uint32_t _PselSCK, _PselMISO; // for hardware SPI
+    void _set_adc_ck(uint8_t f); // for hardware SPI
+    void _enableSPI(uint8_t f); // for hardware SPI
+    uint8_t _spi_transfer(void); // for hardware SPI
+    uint8_t _fDisplaying;
+    SPI _hx711; // for hardware SPI
+#endif
+    
+};
+
+#endif