Analog Devices / ADT7410 16-Bit Digital I2C Temperature Sensor
Dependents: Frequency_Counter_w_GPS_1PPS MQTToverCC3000 Frequency_Cntr_1PPS_F746ZG
ADT7410.h@1:4a1eb0f32025, 2014-11-30 (annotated)
- Committer:
- kenjiArai
- Date:
- Sun Nov 30 09:05:07 2014 +0000
- Revision:
- 1:4a1eb0f32025
- Parent:
- 0:6ec4df1fa459
- Child:
- 2:231bddd40e29
fixed bug and added functions
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 0:6ec4df1fa459 | 1 | /* |
kenjiArai | 0:6ec4df1fa459 | 2 | * mbed library program |
kenjiArai | 0:6ec4df1fa459 | 3 | * Analog Devices / ADT7410 16-Bit Digital I2C Temperature Sensor |
kenjiArai | 0:6ec4df1fa459 | 4 | * http://www.analog.com/en/mems-sensors/digital-temperature-sensors/adt7410/products/product.html |
kenjiArai | 0:6ec4df1fa459 | 5 | * |
kenjiArai | 0:6ec4df1fa459 | 6 | * Copyright (c) 2014 Kenji Arai / JH1PJL |
kenjiArai | 0:6ec4df1fa459 | 7 | * http://www.page.sannet.ne.jp/kenjia/index.html |
kenjiArai | 0:6ec4df1fa459 | 8 | * http://mbed.org/users/kenjiArai/ |
kenjiArai | 0:6ec4df1fa459 | 9 | * Created: November 26th, 2014 |
kenjiArai | 1:4a1eb0f32025 | 10 | * Revised: November 30th, 2014 |
kenjiArai | 0:6ec4df1fa459 | 11 | * |
kenjiArai | 0:6ec4df1fa459 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
kenjiArai | 0:6ec4df1fa459 | 13 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE |
kenjiArai | 0:6ec4df1fa459 | 14 | * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
kenjiArai | 0:6ec4df1fa459 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
kenjiArai | 0:6ec4df1fa459 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
kenjiArai | 0:6ec4df1fa459 | 17 | */ |
kenjiArai | 0:6ec4df1fa459 | 18 | |
kenjiArai | 0:6ec4df1fa459 | 19 | #ifndef MBED_ADT7410 |
kenjiArai | 0:6ec4df1fa459 | 20 | #define MBED_ADT7410 |
kenjiArai | 0:6ec4df1fa459 | 21 | |
kenjiArai | 1:4a1eb0f32025 | 22 | ////////////// ADDRESS ////////////////////////// |
kenjiArai | 0:6ec4df1fa459 | 23 | // 7bit address = 0b01100000(0x48) -> 8bit = 0b11000000(0x90) -> 0x91(Read) or 0x90(Write) |
kenjiArai | 0:6ec4df1fa459 | 24 | // ADDR_01 = (A1=0=J4)+(A0=1=J3), ADDR_1N = (A1=1)+(A0=No Connection =0) |
kenjiArai | 0:6ec4df1fa459 | 25 | // -> Please make sure your H/W configuration |
kenjiArai | 0:6ec4df1fa459 | 26 | #define ADT7410ADDR_00 0x90 |
kenjiArai | 0:6ec4df1fa459 | 27 | #define ADT7410ADDR_NN 0x90 |
kenjiArai | 0:6ec4df1fa459 | 28 | #define ADT7410ADDR_N1 0x92 |
kenjiArai | 0:6ec4df1fa459 | 29 | #define ADT7410ADDR_01 0x92 |
kenjiArai | 0:6ec4df1fa459 | 30 | #define ADT7410ADDR_1N 0x96 |
kenjiArai | 0:6ec4df1fa459 | 31 | #define ADT7410ADDR_10 0x96 |
kenjiArai | 0:6ec4df1fa459 | 32 | #define ADT7410ADDR_11 0x98 |
kenjiArai | 0:6ec4df1fa459 | 33 | |
kenjiArai | 1:4a1eb0f32025 | 34 | ////////////// REGISTER DEFINITION ////////////// |
kenjiArai | 1:4a1eb0f32025 | 35 | #define ADT7410_A_T_MSB 0x00 |
kenjiArai | 1:4a1eb0f32025 | 36 | #define ADT7410_A_T_LSB 0x01 |
kenjiArai | 1:4a1eb0f32025 | 37 | #define ADT7410_A_STATUS 0x02 |
kenjiArai | 1:4a1eb0f32025 | 38 | #define ADT7410_A_CONFIG 0x03 |
kenjiArai | 1:4a1eb0f32025 | 39 | #define ADT7410_A_T_H_MSB 0x04 |
kenjiArai | 1:4a1eb0f32025 | 40 | #define ADT7410_A_T_H_LSB 0x05 |
kenjiArai | 1:4a1eb0f32025 | 41 | #define ADT7410_A_T_L_MSB 0x06 |
kenjiArai | 1:4a1eb0f32025 | 42 | #define ADT7410_A_T_L_LSB 0x07 |
kenjiArai | 1:4a1eb0f32025 | 43 | #define ADT7410_A_T_C_MSB 0x08 |
kenjiArai | 1:4a1eb0f32025 | 44 | #define ADT7410_A_T_C_LSB 0x09 |
kenjiArai | 1:4a1eb0f32025 | 45 | #define ADT7410_A_T_HYS 0x0a |
kenjiArai | 1:4a1eb0f32025 | 46 | #define ADT7410_A_ID 0x0b |
kenjiArai | 1:4a1eb0f32025 | 47 | #define ADT7410_A_SW_RESET 0x2f |
kenjiArai | 1:4a1eb0f32025 | 48 | |
kenjiArai | 1:4a1eb0f32025 | 49 | ////////////// ID /////////////////////////////// |
kenjiArai | 0:6ec4df1fa459 | 50 | #define I_AM_ADT7410 0x19 |
kenjiArai | 0:6ec4df1fa459 | 51 | #define GET_ID(x) ((x >> 3) & 0x1f) |
kenjiArai | 0:6ec4df1fa459 | 52 | #define GET_REV(x) (x & 0x7) |
kenjiArai | 0:6ec4df1fa459 | 53 | |
kenjiArai | 1:4a1eb0f32025 | 54 | ////////////// Configration ///////////////////// |
kenjiArai | 0:6ec4df1fa459 | 55 | #define OPERATION_MODE_CONT 0x00 |
kenjiArai | 0:6ec4df1fa459 | 56 | #define OPERATION_MODE_ONESHOT 0x20 |
kenjiArai | 0:6ec4df1fa459 | 57 | #define OPERATION_MODE_1SPS 0x40 |
kenjiArai | 0:6ec4df1fa459 | 58 | #define OPERATION_MODE_SHTDWN 0x60 |
kenjiArai | 1:4a1eb0f32025 | 59 | #define RESOLUTION_13BIT 0x00 |
kenjiArai | 0:6ec4df1fa459 | 60 | #define RESOLUTION_16BIT 0x80 |
kenjiArai | 0:6ec4df1fa459 | 61 | |
kenjiArai | 0:6ec4df1fa459 | 62 | /** ADT7410 class |
kenjiArai | 0:6ec4df1fa459 | 63 | * |
kenjiArai | 0:6ec4df1fa459 | 64 | * Analog Devices / ADT7410 16-Bit Digital I2C Temperature Sensor |
kenjiArai | 0:6ec4df1fa459 | 65 | * |
kenjiArai | 0:6ec4df1fa459 | 66 | * @code |
kenjiArai | 0:6ec4df1fa459 | 67 | * #include "mbed.h" |
kenjiArai | 0:6ec4df1fa459 | 68 | * #include "ADT7410.h" |
kenjiArai | 0:6ec4df1fa459 | 69 | * |
kenjiArai | 0:6ec4df1fa459 | 70 | * // I2C Communication |
kenjiArai | 0:6ec4df1fa459 | 71 | * ADT7410 t(PinName p_sda, PinName p_scl, addr); |
kenjiArai | 0:6ec4df1fa459 | 72 | * // If you connected I2C line not only this device but also other devices, |
kenjiArai | 0:6ec4df1fa459 | 73 | * // you need to declare following method. |
kenjiArai | 0:6ec4df1fa459 | 74 | * I2C i2c(PinName p_sda, PinName p_scl); |
kenjiArai | 1:4a1eb0f32025 | 75 | * ADT7410 t(I2C& p_i2c, addr); // default: 13bit resolution & continuous conv. |
kenjiArai | 0:6ec4df1fa459 | 76 | * |
kenjiArai | 0:6ec4df1fa459 | 77 | * int main() { |
kenjiArai | 1:4a1eb0f32025 | 78 | * t.set_config(OPERATION_MODE_1SPS + RESOLUTION_16BIT); // you can change the config. |
kenjiArai | 0:6ec4df1fa459 | 79 | * while(1){ |
kenjiArai | 1:4a1eb0f32025 | 80 | * printf("T=%+6.3f degC\r\n", t.read_temp()); |
kenjiArai | 0:6ec4df1fa459 | 81 | * wait(1.0): |
kenjiArai | 0:6ec4df1fa459 | 82 | * } |
kenjiArai | 0:6ec4df1fa459 | 83 | * } |
kenjiArai | 0:6ec4df1fa459 | 84 | * @endcode |
kenjiArai | 0:6ec4df1fa459 | 85 | */ |
kenjiArai | 0:6ec4df1fa459 | 86 | |
kenjiArai | 0:6ec4df1fa459 | 87 | class ADT7410 |
kenjiArai | 0:6ec4df1fa459 | 88 | { |
kenjiArai | 0:6ec4df1fa459 | 89 | public: |
kenjiArai | 0:6ec4df1fa459 | 90 | /** Configure data pin |
kenjiArai | 0:6ec4df1fa459 | 91 | * @param data SDA and SCL pins |
kenjiArai | 0:6ec4df1fa459 | 92 | * @param ADT7410 address (H/W configuration of A1,A0) |
kenjiArai | 0:6ec4df1fa459 | 93 | */ |
kenjiArai | 0:6ec4df1fa459 | 94 | ADT7410(PinName p_sda, PinName p_scl, uint8_t addr); |
kenjiArai | 0:6ec4df1fa459 | 95 | |
kenjiArai | 0:6ec4df1fa459 | 96 | /** Configure data pin (with other devices on I2C line) |
kenjiArai | 0:6ec4df1fa459 | 97 | * @param I2C previous definition |
kenjiArai | 0:6ec4df1fa459 | 98 | * @param ADT7410 address (H/W configuration of A1,A0) |
kenjiArai | 0:6ec4df1fa459 | 99 | */ |
kenjiArai | 0:6ec4df1fa459 | 100 | ADT7410(I2C& p_i2c, uint8_t addr); |
kenjiArai | 0:6ec4df1fa459 | 101 | |
kenjiArai | 0:6ec4df1fa459 | 102 | /** Read temperature data |
kenjiArai | 0:6ec4df1fa459 | 103 | * @param none |
kenjiArai | 0:6ec4df1fa459 | 104 | * @return temperature |
kenjiArai | 0:6ec4df1fa459 | 105 | */ |
kenjiArai | 0:6ec4df1fa459 | 106 | float read_temp(void); |
kenjiArai | 0:6ec4df1fa459 | 107 | |
kenjiArai | 0:6ec4df1fa459 | 108 | /** Read status reg. |
kenjiArai | 0:6ec4df1fa459 | 109 | * @param none |
kenjiArai | 0:6ec4df1fa459 | 110 | * @return status register value |
kenjiArai | 0:6ec4df1fa459 | 111 | */ |
kenjiArai | 0:6ec4df1fa459 | 112 | uint8_t read_status(void); |
kenjiArai | 0:6ec4df1fa459 | 113 | |
kenjiArai | 0:6ec4df1fa459 | 114 | /** Read configration reg. |
kenjiArai | 0:6ec4df1fa459 | 115 | * @param none |
kenjiArai | 0:6ec4df1fa459 | 116 | * @return configrartion register value |
kenjiArai | 0:6ec4df1fa459 | 117 | */ |
kenjiArai | 0:6ec4df1fa459 | 118 | uint8_t read_config(void); |
kenjiArai | 0:6ec4df1fa459 | 119 | |
kenjiArai | 0:6ec4df1fa459 | 120 | /** Set configration reg. |
kenjiArai | 0:6ec4df1fa459 | 121 | * @param |
kenjiArai | 0:6ec4df1fa459 | 122 | * @return configrartion register value |
kenjiArai | 0:6ec4df1fa459 | 123 | */ |
kenjiArai | 0:6ec4df1fa459 | 124 | uint8_t set_config(uint8_t cfg); |
kenjiArai | 0:6ec4df1fa459 | 125 | |
kenjiArai | 1:4a1eb0f32025 | 126 | /** Read ID |
kenjiArai | 0:6ec4df1fa459 | 127 | * @param none |
kenjiArai | 1:4a1eb0f32025 | 128 | * @return ID |
kenjiArai | 0:6ec4df1fa459 | 129 | */ |
kenjiArai | 1:4a1eb0f32025 | 130 | uint8_t read_ID(); |
kenjiArai | 1:4a1eb0f32025 | 131 | |
kenjiArai | 1:4a1eb0f32025 | 132 | /** Read Revision |
kenjiArai | 1:4a1eb0f32025 | 133 | * @param none |
kenjiArai | 1:4a1eb0f32025 | 134 | * @return Revision |
kenjiArai | 1:4a1eb0f32025 | 135 | */ |
kenjiArai | 1:4a1eb0f32025 | 136 | uint8_t read_REV(); |
kenjiArai | 0:6ec4df1fa459 | 137 | |
kenjiArai | 1:4a1eb0f32025 | 138 | /** Read one byte from specific register |
kenjiArai | 1:4a1eb0f32025 | 139 | * @param register address |
kenjiArai | 1:4a1eb0f32025 | 140 | * @return register data |
kenjiArai | 1:4a1eb0f32025 | 141 | */ |
kenjiArai | 1:4a1eb0f32025 | 142 | uint8_t read_reg_byte(uint8_t reg); |
kenjiArai | 1:4a1eb0f32025 | 143 | |
kenjiArai | 1:4a1eb0f32025 | 144 | /** Write one byte into specific register |
kenjiArai | 1:4a1eb0f32025 | 145 | * @param register address, data |
kenjiArai | 1:4a1eb0f32025 | 146 | * @return register saved data |
kenjiArai | 1:4a1eb0f32025 | 147 | */ |
kenjiArai | 1:4a1eb0f32025 | 148 | uint8_t write_reg_byte(uint8_t reg, uint8_t dt); |
kenjiArai | 1:4a1eb0f32025 | 149 | |
kenjiArai | 1:4a1eb0f32025 | 150 | /** check ID |
kenjiArai | 0:6ec4df1fa459 | 151 | * @param none |
kenjiArai | 1:4a1eb0f32025 | 152 | * @return ADT7410 = 1, others 0 |
kenjiArai | 0:6ec4df1fa459 | 153 | */ |
kenjiArai | 1:4a1eb0f32025 | 154 | uint8_t who_am_i(); |
kenjiArai | 0:6ec4df1fa459 | 155 | |
kenjiArai | 0:6ec4df1fa459 | 156 | protected: |
kenjiArai | 1:4a1eb0f32025 | 157 | I2C _i2c; |
kenjiArai | 0:6ec4df1fa459 | 158 | |
kenjiArai | 0:6ec4df1fa459 | 159 | void read_all(); |
kenjiArai | 1:4a1eb0f32025 | 160 | void read_id_rev(); |
kenjiArai | 0:6ec4df1fa459 | 161 | void init(); |
kenjiArai | 0:6ec4df1fa459 | 162 | |
kenjiArai | 0:6ec4df1fa459 | 163 | private: |
kenjiArai | 1:4a1eb0f32025 | 164 | uint8_t dt[4]; |
kenjiArai | 0:6ec4df1fa459 | 165 | char ADT7410_addr; |
kenjiArai | 1:4a1eb0f32025 | 166 | uint8_t id_number; |
kenjiArai | 1:4a1eb0f32025 | 167 | uint8_t rev_number; |
kenjiArai | 0:6ec4df1fa459 | 168 | }; |
kenjiArai | 0:6ec4df1fa459 | 169 | |
kenjiArai | 0:6ec4df1fa459 | 170 | #endif // MBED_ADT7410 |