Revision 0:7e1b9c699bac, committed 2014-07-20

Comitter:

kunichiko

Date:

Sun Jul 20 14:25:01 2014 +0000

Commit message:

Initial version.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/KuADT7410.cpp	Sun Jul 20 14:25:01 2014 +0000
@@ -0,0 +1,40 @@
+#include "KuADT7410.h"
+
+const int KU_ADT7410_TEMP_REG_ADDR = 0x00;
+const int KU_ADT7410_STATUS_REG_ADDR = 0x02;
+const int KU_ADT7410_CONFIG_REG_ADDR = 0x03;
+const int KU_ADT7410_RESET_REG_ADDR = 0x2F;
+
+KuADT7410::KuADT7410(I2C &i2c_, int i2c_address_) : i2c(i2c_), i2c_address(i2c_address_)
+{
+    reset();
+}
+
+KuADT7410::~KuADT7410()
+{
+}
+
+float KuADT7410::get_temp() {
+    char wdata[1] = {KU_ADT7410_TEMP_REG_ADDR};
+    i2c.write(i2c_address, wdata, 1);
+    char rdata[2] = {0,0};
+    i2c.read(i2c_address, rdata, 2);
+    int16_t temp_raw = (rdata[0] << 8) | rdata[1];
+    temp_raw /= 8;
+    return temp_raw / 16.0f;
+}
+
+unsigned char KuADT7410::get_status() {
+    char wdata[1] = {KU_ADT7410_STATUS_REG_ADDR};
+    i2c.write(i2c_address, wdata, 1);
+    char rdata[1] = {0};
+    i2c.read(i2c_address, rdata, 1);
+    return rdata[0];
+}
+
+void KuADT7410::reset()
+{
+    char data[1] = {KU_ADT7410_RESET_REG_ADDR};
+    i2c.write(i2c_address, data, 1);
+    wait(0.25);
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/KuADT7410.h	Sun Jul 20 14:25:01 2014 +0000
@@ -0,0 +1,44 @@
+#ifndef KU_ADT7410_H
+#define KU_ADT7410_H
+ 
+#include "mbed.h"
+
+/**
+ * A library for ADT7410 I2C connecting temperature sensor module.
+ */
+class KuADT7410 {
+private:
+    I2C &i2c;
+    int i2c_address;
+
+public:
+ 
+    /**
+     * Constractor of ADT7410 driver. 
+     * @param i2c I2C object
+     * @param i2c_address Target's I2C address (LSB is used for R/W flag).
+     */
+    explicit KuADT7410(I2C &i2c, int i2c_address = 0x48 << 1);
+ 
+    /**
+     * Destractor
+     */
+    ~KuADT7410();
+ 
+    /**
+     * Reset target device.
+     */
+    void reset();
+
+    /**
+     * Get temperature
+     */
+    float get_temp();
+
+    /**
+     * Get status
+     */
+    unsigned char get_status();
+};
+ 
+#endif
\ No newline at end of file