Added a GPIO to power on/off for external I2C sensor(s) (with LEDs)

Dependencies:   UniGraphic mbed vt100

18-Jun-2018 外部センサの電源オン・オフ機能は下位互換の為に無効になっていました。 この版で再度有効にしました。

Revision:
0:846e2321c637
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensors/VEML6040.h	Fri Apr 13 04:19:23 2018 +0000
@@ -0,0 +1,155 @@
+#ifndef _VEML6040_H_
+#define _VEML6040_H_
+
+#include "mbed.h"
+
+/**
+ * RGBW Color Sensor with I2C Interface
+ * I2C 7bit address: 0x10
+ *
+ */
+
+class VEML6040 
+{
+public:
+ /**
+ *  constructor
+ *
+ * @param i2c Pointer of the I2C object
+ * @param addr address of the I2C peripheral
+ */
+ VEML6040(I2C *i2c, int addr) ;
+ 
+ /**
+  * destructor
+  */
+ ~VEML6040() ;
+
+/**
+ * get Red
+ * @param none
+ * @returns float value of Red
+ */
+float getR(void) ; // return float value of Red
+
+/**
+ * get Green
+ * @param none
+ * @returns float value of Green
+ */
+float getG(void) ; // return float value of Green
+
+/**
+ * get Blue
+ * @param none
+ * @returns float value of Blue
+ */
+float getB(void) ; // return float value of Blue
+
+/**
+ * get White
+ * @param none
+ * @returns float value of White
+ */
+float getW(void) ; // return float value of White
+
+/**
+ * get CCT(McCAMY FORMULA) value X
+ * @param none
+ * @returns float CCT value X
+ */
+float getX(void) ; // return float value of X
+
+/** 
+ * get CCT(McCAMY FOMULA) value Y
+ * @param none
+ * @returns float CCT value Y
+ */
+float getY(void) ; // return float value of Y
+
+/**
+ * get CCT(McCAMY FOMULA) value Z
+ * @param none
+ * @returns float CCT value Z
+ */
+float getZ(void) ; // return float value of Z
+
+/**
+ * get CIE1931 X
+ * @param none
+ * @returns float CIE1931 X
+ */
+float getCIEX(void) ; // return float value of CIE1931_x
+
+/**
+ * get CIE1931 Y
+ * @param none
+ * @returns float CIE1931 Y
+ */
+float getCIEY(void) ; // return float value of CIE1931_y
+
+/**
+ * get color config data
+ * @param *colorconf uint8_t 
+ * @reutns 0: success non-0: failure
+ */
+int getCOLORConf(uint8_t *colorconf) ;
+
+/**
+ * set color config data
+ * @param *colorconf uint8_t
+ * @returns 0: success non-0: failure
+ */
+int setCOLORConf(uint8_t colorconf) ;
+
+/**
+ * get raw Red data
+ * @param uint16_t *rdata 
+ * @returns i2c status 0: success non-0: failure
+ */
+int getRData(uint16_t *rdata) ;
+
+/**
+ * get raw Green data
+ * @param uint16_t *gdata
+ * @returns i2c status 0: success non-0: failure
+ */
+int getGData(uint16_t *gdata) ;
+
+/**
+ * get raw Blue data
+ * @param uint16_t *bdata
+ * @returns i2c status 0: success non-0: failure
+ */
+int getBData(uint16_t *bdata) ;
+
+/**
+ * get raw White data
+ * @param uint16_t *wdata
+ * @returns i2c status 0: success non-0: failure
+ */
+int getWData(uint16_t *wdata) ;
+
+// void getCCTiData(uint16_t *cctidata) ;
+/**
+ * get CCTi data for CCT (EMPIRICAL APPROACH)
+ * @param none
+ * @returns float CCTi data
+ */ 
+float getCCTiData(void) ;
+// void getCCTData(uint16_t *cctdata) ;
+
+/**
+ * get CCT data (EMPIRICAL APPROACH)
+ * @param none
+ * @returns float CCD data
+ */
+float getCCTData(void) ;
+  
+private:
+  I2C *p_i2c;
+  int m_addr;
+  int readRegs(int addr, uint8_t * data, int len);
+  int writeRegs(uint8_t * data, int len);
+} ;
+#endif /* _VEML6040_H_ */