Basic functions is OK. Lack interrupts function.
AK09970.h@2:afb035feac6c, 2017-03-07 (annotated)
- Committer:
- bcc6
- Date:
- Tue Mar 07 09:48:40 2017 +0000
- Revision:
- 2:afb035feac6c
- Parent:
- 1:4eefcf1d7351
Added config mode parameters
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bcc6 | 1:4eefcf1d7351 | 1 | /* Copyright (c) 2016 MtM Technology Corporation, MIT License |
bcc6 | 1:4eefcf1d7351 | 2 | * |
bcc6 | 1:4eefcf1d7351 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
bcc6 | 1:4eefcf1d7351 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
bcc6 | 1:4eefcf1d7351 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
bcc6 | 1:4eefcf1d7351 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
bcc6 | 1:4eefcf1d7351 | 7 | * furnished to do so, subject to the following conditions: |
bcc6 | 1:4eefcf1d7351 | 8 | * |
bcc6 | 1:4eefcf1d7351 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
bcc6 | 1:4eefcf1d7351 | 10 | * substantial portions of the Software. |
bcc6 | 1:4eefcf1d7351 | 11 | * |
bcc6 | 1:4eefcf1d7351 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
bcc6 | 1:4eefcf1d7351 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
bcc6 | 1:4eefcf1d7351 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
bcc6 | 1:4eefcf1d7351 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
bcc6 | 1:4eefcf1d7351 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
bcc6 | 1:4eefcf1d7351 | 17 | */ |
bcc6 | 0:4f87d5af61b1 | 18 | #ifndef AK09970_H |
bcc6 | 0:4f87d5af61b1 | 19 | #define AK09970_H |
bcc6 | 0:4f87d5af61b1 | 20 | |
bcc6 | 0:4f87d5af61b1 | 21 | #include "mbed.h" |
bcc6 | 0:4f87d5af61b1 | 22 | |
bcc6 | 0:4f87d5af61b1 | 23 | |
bcc6 | 0:4f87d5af61b1 | 24 | #define AK09970_SLAVE_ADDR 0x18 // 0001_1000b |
bcc6 | 0:4f87d5af61b1 | 25 | |
bcc6 | 0:4f87d5af61b1 | 26 | |
bcc6 | 0:4f87d5af61b1 | 27 | class AK09970 { |
bcc6 | 0:4f87d5af61b1 | 28 | public: |
bcc6 | 2:afb035feac6c | 29 | enum SMR { |
bcc6 | 2:afb035feac6c | 30 | SMR_HighSens = (0<<5), |
bcc6 | 2:afb035feac6c | 31 | SMR_WideRange = (1<<5), |
bcc6 | 2:afb035feac6c | 32 | }; |
bcc6 | 2:afb035feac6c | 33 | |
bcc6 | 2:afb035feac6c | 34 | enum SDR { |
bcc6 | 2:afb035feac6c | 35 | SDR_LowNoise = (0<<4), |
bcc6 | 2:afb035feac6c | 36 | SDR_LowPower = (1<<4), |
bcc6 | 2:afb035feac6c | 37 | }; |
bcc6 | 2:afb035feac6c | 38 | |
bcc6 | 2:afb035feac6c | 39 | enum Mode { |
bcc6 | 2:afb035feac6c | 40 | Mode_PowerDown = 0, |
bcc6 | 2:afb035feac6c | 41 | Mode_Single, |
bcc6 | 2:afb035feac6c | 42 | Mode_1_0p25Hz, |
bcc6 | 2:afb035feac6c | 43 | Mode_2_0p5Hz = 4, |
bcc6 | 2:afb035feac6c | 44 | Mode_3_1Hz = 6, |
bcc6 | 2:afb035feac6c | 45 | Mode_4_10Hz = 8, |
bcc6 | 2:afb035feac6c | 46 | Mode_5_20Hz = 10, |
bcc6 | 2:afb035feac6c | 47 | Mode_6_50Hz = 12, |
bcc6 | 2:afb035feac6c | 48 | Mode_7_100Hz = 14, |
bcc6 | 2:afb035feac6c | 49 | }; |
bcc6 | 2:afb035feac6c | 50 | |
bcc6 | 0:4f87d5af61b1 | 51 | struct Data { |
bcc6 | 0:4f87d5af61b1 | 52 | float x; // uT/LSB |
bcc6 | 0:4f87d5af61b1 | 53 | float y; |
bcc6 | 0:4f87d5af61b1 | 54 | float z; |
bcc6 | 0:4f87d5af61b1 | 55 | }; |
bcc6 | 0:4f87d5af61b1 | 56 | |
bcc6 | 0:4f87d5af61b1 | 57 | static const uint8_t DEVICE_ID = 0xC0; |
bcc6 | 0:4f87d5af61b1 | 58 | |
bcc6 | 0:4f87d5af61b1 | 59 | AK09970(I2C &i2c, PinName int1 = NC); |
bcc6 | 0:4f87d5af61b1 | 60 | |
bcc6 | 2:afb035feac6c | 61 | void ConfigDevice(uint8_t mode = SMR_HighSens | SDR_LowNoise | Mode_1_0p25Hz); |
bcc6 | 0:4f87d5af61b1 | 62 | void GetDeviceID(uint8_t *id); |
bcc6 | 0:4f87d5af61b1 | 63 | void GetData(Data *data); |
bcc6 | 0:4f87d5af61b1 | 64 | |
bcc6 | 0:4f87d5af61b1 | 65 | private: |
bcc6 | 0:4f87d5af61b1 | 66 | I2C &_i2c; |
bcc6 | 0:4f87d5af61b1 | 67 | InterruptIn _int1; |
bcc6 | 2:afb035feac6c | 68 | |
bcc6 | 2:afb035feac6c | 69 | float _sensitivity; |
bcc6 | 0:4f87d5af61b1 | 70 | |
bcc6 | 0:4f87d5af61b1 | 71 | float ConvertAdcToMagnetic(int16_t adc); |
bcc6 | 0:4f87d5af61b1 | 72 | |
bcc6 | 0:4f87d5af61b1 | 73 | void RegWrite(char reg, char val); |
bcc6 | 0:4f87d5af61b1 | 74 | void RegWrite(char reg, char *val, int len); |
bcc6 | 0:4f87d5af61b1 | 75 | void RegRead (char reg, char *val, int len); |
bcc6 | 0:4f87d5af61b1 | 76 | void RegReadModifyWrite(char reg, char clr_mask, char set_mask); |
bcc6 | 0:4f87d5af61b1 | 77 | }; |
bcc6 | 0:4f87d5af61b1 | 78 | |
bcc6 | 0:4f87d5af61b1 | 79 | #endif |