Revision 0:fbf1a72181fc, committed 2017-05-08

Comitter:

Rhyme

Date:

Mon May 08 07:16:46 2017 +0000

Commit message:

First compilable version / no test yet

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VCNL4100.cpp	Mon May 08 07:16:46 2017 +0000
@@ -0,0 +1,300 @@
+#include "mbed.h"
+#include "VCNL4100.h"
+
+/* I2C protocol
+ *
+ * I2C bus timing for Sendign Word Command Format 
+ * <s> <8bit: Slave Address>W <sa> <8bit: command code> <sa>
+ * <8bit: Data Byte Low> <sa> <8bit: Data Byte High> <sa> <p>
+ *
+ * I2C bus timing for Receiving Word Command Format
+ * <s> <8bit: Slave Address>W <sa> <8bit: Command Code> <sa>
+ * <s> <8bit: Slave Address>R <sa> <8bit: Data Byte Low> <ma>
+ * <8bit: Data Byte High> <ma> <p>
+ * 
+ * <s> Start by Master
+ * <p> Stop by Master
+ * <ma> ACK by Master
+ * <sa> ACK by Slave (VCNL4100)
+ */
+ 
+/* Internal Registers */
+#define REG_ALS_CONF   0x00
+#define REG_ALS_THDH_L 0x01
+#define REG_ALS_THDL_L 0x02
+#define REG_PS_CONF1   0x03
+#define REG_PS_CONF3   0x04
+#define REG_PS_THDL    0x06
+#define REG_PS_DATA    0x08
+#define REG_ASL_DATA   0x09
+#define REG_INT_FLAG   0x0B
+
+VCNL4100::VCNL4100(PinName sda, PinName scl, int addr) :
+    m_i2c(sda, scl), m_addr(addr<<1) 
+{
+    // activate the peripheral
+}
+
+
+VCNL4100::~VCNL4100()
+{
+}
+
+void VCNL4100::readRegs(int addr, uint8_t * data, int len) {
+    char t[1] = {addr};
+    m_i2c.write(m_addr, t, 1, true);
+    m_i2c.read(m_addr, (char *)data, len);
+}
+
+void VCNL4100::writeRegs(uint8_t * data, int len) {
+    m_i2c.write(m_addr, (char *)data, len);
+}
+
+uint8_t  VCNL4100::getAlsConf(void) 
+{
+    uint8_t data[2] ;
+    readRegs(REG_ALS_CONF, data, 2) ;
+    return(data[0]) ;
+}
+
+void     VCNL4100::setAlsConf(uint8_t conf) 
+{
+    uint8_t data[3] ;
+    data[0] = REG_ALS_CONF ;
+    data[1] = conf ;
+    data[2] = 0x00 ;
+    writeRegs(data, 3) ;
+}
+
+uint16_t VCNL4100::getAlsThdh(void) 
+{
+    uint16_t thdh ;
+    uint8_t data[2] ;
+    readRegs(REG_ALS_THDH_L, data, 2) ;
+    thdh = (data[1] << 8) | data[0] ;
+    return( thdh ) ;
+}
+
+void     VCNL4100::setAlsThdh(uint16_t thdh) 
+{
+    uint8_t data[3] ;
+    data[0] = REG_ALS_THDH_L ;
+    data[1] = thdh & 0xFF ;
+    data[2] = (thdh >> 8) & 0xFF ;
+    writeRegs(data, 3) ;
+}
+
+uint16_t VCNL4100::getAlsThdl(void) 
+{
+    uint16_t thdl ;
+    uint8_t data[2] ;
+    readRegs(REG_ALS_THDL_L, data, 2) ;
+    thdl = (data[1] << 8) | data[0] ;
+    return( thdl ) ;
+}
+
+void     VCNL4100::setAlsThdl(uint16_t thdl) 
+{
+    uint8_t data[3] ;
+    data[0] = REG_ALS_THDL_L ;
+    data[1] = thdl & 0xFF ;
+    data[2] = (thdl >> 8) & 0xFF ;
+    writeRegs(data, 3) ;    
+}
+
+uint16_t VCNL4100::getPsConf12(void) 
+{
+    uint16_t psconf12 ;
+    uint8_t data[2] ;
+    readRegs(REG_PS_CONF1, data, 2) ;
+    psconf12 = (data[1] << 8) | data[0] ;
+    return( psconf12 ) ;
+}
+
+void     VCNL4100::setPsConf12(uint16_t conf12) 
+{
+    uint8_t data[3] ;
+    data[0] = REG_PS_CONF1 ;
+    data[1] = conf12 & 0xFF ;
+    data[2] = (conf12 >> 8) & 0xFF ;
+    writeRegs(data, 3) ;
+}
+
+uint8_t  VCNL4100::getPsConf1(void) 
+{
+    uint16_t tmp ;
+    uint8_t psconf1 ;
+    tmp = getPsConf12() ;
+    psconf1 = tmp & 0xFF ;
+    return( psconf1 ) ;
+}
+
+void     VCNL4100::setPsConf1(uint8_t conf1) 
+{
+    uint16_t tmp ;
+    uint8_t data[3] ;
+    data[0] = REG_PS_CONF1 ;
+    tmp = getPsConf12() ;
+    data[1] = conf1 ;
+    data[2] = (tmp >> 8) & 0xFF ; // conf2
+    writeRegs(data, 3) ;
+}
+
+uint8_t  VCNL4100::getPsConf2(void) 
+{
+    uint16_t tmp ;
+    uint8_t psconf2 ;
+    tmp = getPsConf12() ;
+    psconf2 = (tmp >> 8) & 0xFF ;
+    return( psconf2 ) ;
+}
+
+void     VCNL4100::setPsConf2(uint8_t conf2) 
+{
+    uint16_t tmp ;
+    uint8_t data[3] ;
+    data[0] = REG_PS_CONF1 ;
+    tmp = getPsConf12() ;
+    data[1] = tmp & 0xFF ;
+    data[2] = conf2 ;
+    writeRegs(data, 3) ;
+}
+
+uint16_t VCNL4100::getPsConf3Spo(void) 
+{
+    uint16_t conf3spo ;
+    uint8_t data[2] ; /* data[0] = PS_CONF3 ; data[1] = SPO ; */
+    readRegs(REG_PS_CONF3, data, 2) ;
+    conf3spo = (data[1] << 8) | data[0] ;
+    return( conf3spo ) ;
+}
+
+void     VCNL4100::setPsConf3Spo(uint16_t conf3spo) 
+{
+    uint8_t data[3] ;
+    data[0] = REG_PS_CONF3 ;
+    data[1] = conf3spo & 0xFF ; /* PS_CONF3 */
+    data[2] = (conf3spo >> 8) & 0xFF ; /* PS_SPO */
+    writeRegs(data, 3) ;
+}
+
+uint8_t  VCNL4100::getPsConf3(void) 
+{
+    uint16_t conf3spo ;
+    uint8_t conf3 ;
+    conf3spo = getPsConf3Spo() ;
+    conf3 = conf3spo & 0xFF ;
+    return( conf3 ) ;
+}
+
+void     VCNL4100::setPsConf3(uint8_t conf3)
+{
+    uint16_t conf3spo ;
+    uint8_t data[3] ;
+    conf3spo = getPsConf3Spo() ;
+    data[0] = REG_PS_CONF3 ;
+    data[1] = conf3 ;
+    data[2] = (conf3spo >> 8) & 0xFF ; /* spo */
+    writeRegs(data, 3) ;
+}
+
+uint8_t  VCNL4100::getSpo(void) 
+{
+    uint16_t conf3spo ;
+    uint8_t spo ;
+    conf3spo = getPsConf3Spo() ;
+    spo = (conf3spo >> 8) & 0xFF ;
+    return( spo ) ;
+}
+
+void     VCNL4100::setSpo(uint8_t spo) 
+{
+    uint16_t conf3spo ;
+    uint8_t data[3] ;
+    conf3spo = getPsConf3Spo() ;
+    data[0] = REG_PS_CONF3 ;
+    data[1] = conf3spo & 0xFF ; /* PS_CONF3 */
+    data[2] = spo ; /* PS_SPO */
+    writeRegs(data, 3) ;
+}
+
+uint16_t VCNL4100::getPsThd(void) 
+{
+    uint16_t psthd ;
+    uint8_t data[2] ;
+    readRegs(REG_PS_THDL, data, 2) ;
+    psthd = (data[1] << 8) | data[0] ;
+    return( psthd ) ;
+}
+
+void     VCNL4100::setPsThd(uint16_t psthd) 
+{
+    uint8_t data[3] ;
+    data[0] = REG_PS_THDL ;
+    data[1] = psthd & 0xFF ;
+    data[2] = (psthd >> 8) & 0xFF ;
+    writeRegs(data, 3) ;
+}
+
+uint8_t VCNL4100::getPsThdl(void)
+{
+    uint16_t thd16 ;
+    uint8_t thdl ;
+    thd16 = getPsThd() ;
+    thdl = thd16 & 0xFF ;
+    return( thdl ) ;
+}
+
+void VCNL4100::setPsThdl(uint8_t thdl)
+{
+    uint16_t thd16 ;
+    uint8_t data[3] ;
+    thd16 = getPsThd() ;
+    data[0] = REG_PS_THDL ;
+    data[1] = thdl ;
+    data[2] = (thd16 >> 8) & 0xFF ;
+    writeRegs(data, 3) ;
+}
+
+uint8_t VCNL4100::getPsThdh(void)
+{
+    uint16_t thd16 ;
+    uint8_t thdh ;
+    thd16 = getPsThd() ;
+    thdh = (thd16 >> 8) & 0xFF ;
+    return( thdh ) ;
+}
+
+void VCNL4100::setPsThdh(uint8_t thdh)
+{
+    uint16_t thd16 ;
+    uint8_t data[3] ;
+    thd16 = getPsThd() ;
+    data[0] = REG_PS_THDL ;
+    data[1] = thd16 & 0xFF ;
+    data[2] = thdh ;
+    writeRegs(data, 3) ;
+}
+
+uint8_t  VCNL4100::getPsData(void) 
+{
+    uint8_t data[2] ;
+    readRegs(REG_PS_DATA, data, 2) ;
+    return(data[0]) ;
+}
+
+uint16_t VCNL4100::getAlsData(void) 
+{
+    uint16_t alsdata ;
+    uint8_t data[2] ;
+    readRegs(REG_ASL_DATA, data, 2) ;
+    alsdata = (data[1] << 8) | data[0] ;
+    return( alsdata ) ;
+}
+
+uint8_t  VCNL4100::getIntFlag(void) 
+{
+    uint8_t data[2] ;
+    readRegs(REG_INT_FLAG, data, 2) ;
+    return( data[1] ) ;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VCNL4100.h	Mon May 08 07:16:46 2017 +0000
@@ -0,0 +1,326 @@
+#ifndef _VCNL4100_H_
+#define _VCNL4100_H_
+/**
+ * Vishay VCNL4100
+ * High Sensitivity Long Distance Proximity and
+ * Ambient Light Sensor with I2C Interface
+ */
+ /*
+ * @code
+* @endcode
+*/
+class VCNL4100
+{
+public:
+  /**
+  * VCNL4100 constructor
+  *
+  * @param sda SDA pin
+  * @param sdl SCL pin
+  * @param addr addr of the I2C peripheral
+  */
+  VCNL4100(PinName sda, PinName scl, int addr);
+
+  /**
+  * VCNL4100 destructor
+  */
+  ~VCNL4100();
+  
+/**
+ * get ALS configuration 
+ * @param none
+ * @return uint8_t ALS CONF
+ *
+ * @note bit[7:6] ALS_IT ASL integration time setting,
+ * @note longer integration time has higher sensitivity 
+ * @note 00=80ms, 01=160ms, 10=320ms, 11=640ms
+ * @note -
+ * @note bit[5:4] (reserved)
+ * @note -
+ * @note bit[3:2] ALS interrupt persistence setting
+ * @note 00=1, 01=2, 10=4, 11=8
+ * @note -
+ * @note bit[1] ALS_INT_EN 0=ALS interrupt disable, 1=ALS interrupt enable
+ * @note -
+ * @note bit[0] ALS_SD 0=ALS power on, 1=ALS Shut Down
+ */
+uint8_t  getAlsConf(void) ;
+
+/**
+ * set ALS configuration
+ * @param uint8_t conf, value to assign
+ * @returns none
+ */
+void     setAlsConf(uint8_t conf) ;
+
+/**
+ * Get ALS high interrupt threshold 
+ * @param none
+ * @returns uint16_t ALS high interrupt threshold
+ */
+uint16_t getAlsThdh(void) ;
+
+/**
+ * Set ALS high interrupt threshold
+ * @param uint16_t thdh, value to assign
+ * @returns none
+ */
+void     setAlsThdh(uint16_t thdh) ;
+
+/**
+ * Get ALS low interrupt threshold
+ * @param none
+ * @returns uint16_t ALS low interrupt threshold
+ */
+uint16_t getAlsThdl(void) ;
+
+/**
+ * Set ALS low interrupt threshold
+ * @param uint16_t thdl, value to assign
+ * @returns none
+ */
+void     setAlsThdl(uint16_t thdl) ;
+
+/**
+ * Get PS CONF1 and PS CONF2
+ * @param none
+ * @returns uint16_t PS_CONF2 as MSB, PS_CONF1 as LSB
+ */
+uint16_t getPsConf12(void) ;
+
+/**
+ * Set PS CONF1 and PS CONF2
+ * @param uint16_t PS_CONF2 as MSB, PS_CONF1 as LSB
+ * @returns none
+ */
+void     setPsConf12(uint16_t conf12) ;
+
+/**
+ * get PS CONF1
+ * @param none
+ * @returns Register value of PS_CONF1
+ *
+ * @note bit[7:6] PS_Duty PS IRED on/off duty ratio setting
+ * @note 00=1/5120, 01=1/640, 10=1/80, 11=1/20
+ * @note -
+ * @note bit[5:4] PS_IT PS integration time setting
+ * @note 00=1T, 01=1.3T, 10=1.6T, 11=2T
+ * @note -
+ * @note bit[3:2] PS_PERS PS interrupt persistence setting
+ * @note 00=1, 01=2, 10=3, 11=4
+ * @note -
+ * @note bit[1] (reserved)
+ * @note -
+ * @note bit[0] PS_SD 0=PS power on, 1=PS shut down
+ */
+uint8_t  getPsConf1(void) ;
+
+/**
+ * set PS_CONF1
+ *
+ * @param uint8_t conf1 value to set
+ * @returns none
+ */
+void     setPsConf1(uint8_t conf1) ;
+
+/**
+ * get PS_CONF2
+ *
+ * @note bit[7:6] PS_ITB PS IT bank setting
+ * @note 00=1/2T, 01=1T, 10=2T, 11=4T
+ * @note -
+ * @note bit[5:4] PS_GAIN
+ * @note 00=1/4, 01=1/2, 10=1, 11=2
+ * @note -
+ * @note bit[3] (reserved)
+ * @note -
+ * @note bit[2] PS_SP_INT_EN 
+ * @note 0 = disable INT function for PS enter/leave sunlight protection mode
+ * @note 1 = issue INT while PS enter/leave sunlight protection mode.
+ * @note  While PS enter sunlight protection mode, the PS output will keep 0xFF
+ * @note -
+ * @note bit[1] (reserved)
+ * @note -
+ * @note bit[0] PS_INT_EN
+ * @note 0 = PS INT function disable, 1 = PS INT function enable
+ */
+uint8_t  getPsConf2(void) ;
+
+/**
+ * set PS_CONF2
+ *
+ * @param uint8_t conf2 value to set
+ * @returns none
+ */
+void     setPsConf2(uint8_t conf2) ;
+
+/**
+ * get PS_CONF3 and PS_SPO
+ *
+ * @param none
+ * @returns uint16_t PS_CONF3 as LSB, PS_SPO as MSB
+ */
+uint16_t getPsConf3Spo(void) ;
+
+/**
+ * set PS_CONF3 and PS_SPO
+ * 
+ * @param uint16_t con3spo PS_CONF3 as LSB, PS_SPO as MSB
+ * @returns none
+ */
+void     setPsConf3Spo(uint16_t conf3spo) ;
+
+/**
+ * get PS_CONF3
+ *
+ * @param none
+ * @returns uint8_t PS_CONF3
+ *
+ * @note bit[7:6] PS_AV 
+ * @note 00=1/2, 01=1/4, 10=1/8, 11=1/16
+ * @note -
+ * @note bit[5] PS_AV_EN 
+ * @note 0= PS average function disable, 1= PS average function enable
+ * @note -
+ * @note bit[4] (reserved)
+ * @note -
+ * @note bit[3] PS_AF
+ * @note 0= active force mode disable (normal mode), 1= active force mode enable
+ * @note -
+ * @note bit[2] PS_TRIG
+ * @note 0= no PS active force mode trigger, 1= trigger one time cycle
+ * @note VCNL4100 output once cycle data every time host writes in "1" to sensor.
+ * @note The state returns to "0" automatically.
+ * @note -
+ * @note bit[1] PS_MPULSE 0= disable, 1= enable
+ * @note PS multi pulse mode setting; PS multi puse number set by PS_AV[1:0]
+ * @note -
+ * @note bit[0] (reserved)
+ */
+uint8_t  getPsConf3(void) ;
+
+/**
+ * set PS_CONF3
+ *
+ * @param uint8_t conf3 value to set
+ * @returns none
+ */
+void     setPsConf3(uint8_t conf3) ;
+
+/**
+ * get PS_SPO
+ *
+ * @param none
+ * @returns uint8_t PS_SPO
+ *
+ * @note Set initial value to "0xA0" or "0x20"
+ * @note bit[7:0] PS_SPO
+ * @note Set initial value = 0xA0 (PS_OUT = 0xFF while PS into sunlight protection)
+ * @note Set initial value = 0x20 (PS_OUT = 0x00 while PS into sunlight protection)
+ *
+ */
+uint8_t  getSpo(void) ;
+
+/**
+ * set PS_SPO
+ * 
+ * @param uint8_t spo value to set (0xA0 or 0x20)
+ * @returns none
+ */
+void     setSpo(uint8_t spo) ;
+
+/**
+ * get PS_THDL as LSB and PS_THDH as MSB
+ *
+ * @param none
+ * @return uint16_t PS_THDL as LSB, PS_THDH as MSB
+ */
+uint16_t getPsThd(void) ;
+
+/**
+ * set PS_THDL as LSB and PS_THDH as MSB
+ *
+ * @param uint16_t PS_THDL as LSB, PS_THDH as MSB
+ * @returns none
+ */
+void     setPsThd(uint16_t psthd) ;
+
+/**
+ * get PS_THDL
+ * 
+ * @param none
+ * @returns uint8_t PS_THDL
+ *
+ * @note bit[7:0] PS_THDL 0x00 to 0xFF, PS low interrupt threshold setting
+ */
+uint8_t getPsThdl(void) ;
+
+/**
+ * set PS_THDL
+ *
+ * @param uint8_t thdl value to set
+ * @returns none
+ */
+void setPsThdl(uint8_t thdl) ;
+
+/**
+ * get PS_THDH
+ *
+ * @param none
+ * @returns uint8_t PS_THDH
+ *
+ * @note bit[7:0] PS_THDH 0x00 to 0xFF, PS high interrupt threshold setting
+ */
+ uint8_t getPsThdh(void) ;
+ 
+ /**
+  * set PS_THDH
+  *
+  * @param uint8_t thdh value to set
+  * @returns none
+  */
+void setPsThdh(uint8_t thdh) ;
+
+/**
+ * get PS_DATA
+ *
+ * @param none
+ * @returns uint8_t PS_DATA
+ *
+ * @note bit[7:0] 0x00 to 0xFF, PS output data
+ */
+uint8_t  getPsData(void) ;
+
+/**
+ * get ALS output data
+ *
+ * @param none
+ * @returns uint16_t ALS output data
+ */
+uint16_t getAlsData(void) ;
+
+/**
+ * get INT_FLAG
+ *
+ * @param none
+ * @returns uint8_t INT_FLAG
+ *
+ * @note bit[7] PS_SPF_LEAVE, PS leaving protection mode
+ * @note bit[6] PS_SPF_ENTER, PS entering protection mode
+ * @note bit[5] ALS_IF_L, ALS crossing low THD INT trigger event
+ * @note bit[4] ALS_IF_H, ALS crossing high THD INT trigger event
+ * @note bit[3:2] (reserved)
+ * @note bit[1] PS_IF_CLOSE, PS rise above PS_THDH INT trigger event
+ * @note bit[0] PS_IF_AWAY, PS drop below PS_THDL INT trigger event
+ */
+uint8_t  getIntFlag(void) ;
+    
+private:
+  I2C m_i2c;
+  int m_addr;
+  void readRegs(int addr, uint8_t * data, int len);
+  void writeRegs(uint8_t * data, int len);
+
+};
+
+#endif /* _VCNL4100_H_ */
\ No newline at end of file