Diff: ADT7410.h

Revision:

0:6ec4df1fa459

Child:

1:4a1eb0f32025

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADT7410.h	Fri Nov 28 10:32:19 2014 +0000
@@ -0,0 +1,133 @@
+/*
+ * mbed library program
+ *  Analog Devices / ADT7410 16-Bit Digital I2C Temperature Sensor
+ *  http://www.analog.com/en/mems-sensors/digital-temperature-sensors/adt7410/products/product.html
+ *
+ * Copyright (c) 2014 Kenji Arai / JH1PJL
+ *  http://www.page.sannet.ne.jp/kenjia/index.html
+ *  http://mbed.org/users/kenjiArai/
+ *      Created: November   26th, 2014
+ *      Revised: November   28th, 2014
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+ * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef        MBED_ADT7410
+#define        MBED_ADT7410
+
+// ADT7410 Temperature Sensor
+//  7bit address = 0b01100000(0x48) -> 8bit = 0b11000000(0x90) -> 0x91(Read) or 0x90(Write)
+//  ADDR_01 = (A1=0=J4)+(A0=1=J3), ADDR_1N = (A1=1)+(A0=No Connection =0)
+//      -> Please make sure your H/W configuration
+#define ADT7410ADDR_00          0x90
+#define ADT7410ADDR_NN          0x90
+#define ADT7410ADDR_N1          0x92
+#define ADT7410ADDR_01          0x92
+#define ADT7410ADDR_1N          0x96
+#define ADT7410ADDR_10          0x96
+#define ADT7410ADDR_11          0x98
+
+// ID
+#define I_AM_ADT7410            0x19
+#define GET_ID(x)               ((x >> 3) & 0x1f)
+#define GET_REV(x)              (x & 0x7)
+
+// Configration
+#define OPERATION_MODE_CONT     0x00
+#define OPERATION_MODE_ONESHOT  0x20
+#define OPERATION_MODE_1SPS     0x40
+#define OPERATION_MODE_SHTDWN   0x60
+#define RESOLUTION_15BIT        0x00
+#define RESOLUTION_16BIT        0x80
+
+/** ADT7410 class
+ *
+ *  Analog Devices / ADT7410 16-Bit Digital I2C Temperature Sensor
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "ADT7410.h"
+ *
+ * // I2C Communication
+ * ADT7410 t(PinName p_sda, PinName p_scl, addr);
+ * // If you connected I2C line not only this device but also other devices,
+ * //     you need to declare following method.
+ * I2C     i2c(PinName p_sda, PinName p_scl);
+ * ADT7410 t(I2C& p_i2c, addr);
+ *
+ * int main() {
+ *     while(1){
+ *         printf("T=%5.2f degC\r\n", t.read_temp());
+ *         wait(1.0):
+ *     }
+ * }
+ *  @endcode
+ */
+
+class ADT7410
+{
+public:
+    /** Configure data pin
+      * @param data SDA and SCL pins
+      * @param ADT7410 address (H/W configuration of A1,A0)
+      */
+    ADT7410(PinName p_sda, PinName p_scl, uint8_t addr);
+
+    /** Configure data pin (with other devices on I2C line)
+      * @param I2C previous definition
+      * @param ADT7410 address (H/W configuration of A1,A0)
+      */
+    ADT7410(I2C& p_i2c, uint8_t addr);
+
+    /** Read temperature data
+      * @param none
+      * @return temperature
+      */
+    float read_temp(void);
+
+    /** Read status reg.
+      * @param none
+      * @return status register value
+      */
+    uint8_t read_status(void);
+
+    /** Read configration reg.
+      * @param none
+      * @return configrartion register value
+      */
+    uint8_t read_config(void);
+
+    /** Set configration reg.
+      * @param
+      * @return configrartion register value
+      */
+    uint8_t set_config(uint8_t cfg);
+
+    /** Read ADT7410 chip ID
+      * @param none
+      * @return ID number
+      */
+    uint8_t read_id(void);
+
+    /** Read ADT7410 chip revision
+      * @param none
+      * @return revision data
+      */
+    uint8_t read_revision(void);
+
+protected:
+    I2C _i2c;
+
+    void read_all();
+    void init();
+
+private:
+    uint8_t dt[16];
+    char ADT7410_addr;
+};
+
+#endif  //  MBED_ADT7410