John Fitzpatrick
/
FXOS8700_2
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FXOS8700.cpp@2:98ea52282575, 2015-12-22 (annotated)
- Committer:
- AswinSivakumar
- Date:
- Tue Dec 22 00:22:57 2015 +0000
- Revision:
- 2:98ea52282575
- Parent:
- 1:66ff36d0d1b1
- Child:
- 3:d6a5dcde8ed9
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| AswinSivakumar | 2:98ea52282575 | 1 | /* Copyright (c) 2015 NXP Semiconductors. MIT License |
| AswinSivakumar | 1:66ff36d0d1b1 | 2 | * |
| AswinSivakumar | 1:66ff36d0d1b1 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
| AswinSivakumar | 1:66ff36d0d1b1 | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
| AswinSivakumar | 1:66ff36d0d1b1 | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
| AswinSivakumar | 1:66ff36d0d1b1 | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
| AswinSivakumar | 1:66ff36d0d1b1 | 7 | * Software is furnished to do so, subject to the following conditions: |
| AswinSivakumar | 1:66ff36d0d1b1 | 8 | * |
| AswinSivakumar | 1:66ff36d0d1b1 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
| AswinSivakumar | 1:66ff36d0d1b1 | 10 | * substantial portions of the Software. |
| AswinSivakumar | 1:66ff36d0d1b1 | 11 | * |
| AswinSivakumar | 1:66ff36d0d1b1 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| AswinSivakumar | 1:66ff36d0d1b1 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| AswinSivakumar | 1:66ff36d0d1b1 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| AswinSivakumar | 1:66ff36d0d1b1 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| AswinSivakumar | 1:66ff36d0d1b1 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| AswinSivakumar | 1:66ff36d0d1b1 | 17 | */ |
| AswinSivakumar | 1:66ff36d0d1b1 | 18 | |
| AswinSivakumar | 1:66ff36d0d1b1 | 19 | #include "FXOS8700.h" |
| AswinSivakumar | 0:a4ffc3c3e770 | 20 | #include "mbed.h" |
| AswinSivakumar | 0:a4ffc3c3e770 | 21 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 22 | FXOS8700::FXOS8700(PinName sda, PinName scl) : accelmagi2c(sda,scl) |
| AswinSivakumar | 0:a4ffc3c3e770 | 23 | { |
| AswinSivakumar | 0:a4ffc3c3e770 | 24 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 25 | } |
| AswinSivakumar | 0:a4ffc3c3e770 | 26 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 27 | void FXOS8700::accel_config(void) |
| AswinSivakumar | 0:a4ffc3c3e770 | 28 | { |
| AswinSivakumar | 0:a4ffc3c3e770 | 29 | char d[2]; |
| AswinSivakumar | 0:a4ffc3c3e770 | 30 | d[0] = FXOS8700_CTRL_REG1; //Puts device in Standby mode |
| AswinSivakumar | 0:a4ffc3c3e770 | 31 | d[1] = 0x00; |
| AswinSivakumar | 0:a4ffc3c3e770 | 32 | accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2); |
| AswinSivakumar | 0:a4ffc3c3e770 | 33 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 34 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 35 | d[0] = FXOS8700_CTRL_REG1; //Puts device in Active mode |
| AswinSivakumar | 0:a4ffc3c3e770 | 36 | d[1] = 0x01; |
| AswinSivakumar | 0:a4ffc3c3e770 | 37 | accelmagi2c.write(FXOS8700_I2C_ADDRESS, d, 2); |
| AswinSivakumar | 0:a4ffc3c3e770 | 38 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 39 | } |
| AswinSivakumar | 0:a4ffc3c3e770 | 40 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 41 | void FXOS8700::mag_config(void) |
| AswinSivakumar | 0:a4ffc3c3e770 | 42 | { |
| AswinSivakumar | 0:a4ffc3c3e770 | 43 | char d[2]; |
| AswinSivakumar | 0:a4ffc3c3e770 | 44 | d[0] = FXOS8700_CTRL_REG1; //Puts device in Standby mode |
| AswinSivakumar | 0:a4ffc3c3e770 | 45 | d[1] = 0x00; |
| AswinSivakumar | 0:a4ffc3c3e770 | 46 | accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2); |
| AswinSivakumar | 0:a4ffc3c3e770 | 47 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 48 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 49 | d[0] = FXOS8700_M_CTRL_REG1; //Puts device in hybrid mode (both accel and mag are active) |
| AswinSivakumar | 0:a4ffc3c3e770 | 50 | d[1] = 0x03; |
| AswinSivakumar | 0:a4ffc3c3e770 | 51 | accelmagi2c.write(FXOS8700_I2C_ADDRESS, d, 2); |
| AswinSivakumar | 0:a4ffc3c3e770 | 52 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 53 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 54 | d[0] = FXOS8700_CTRL_REG1; //Puts device in Active mode |
| AswinSivakumar | 0:a4ffc3c3e770 | 55 | d[1] = 0x01; |
| AswinSivakumar | 0:a4ffc3c3e770 | 56 | accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2); |
| AswinSivakumar | 0:a4ffc3c3e770 | 57 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 58 | } |
| AswinSivakumar | 0:a4ffc3c3e770 | 59 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 60 | void FXOS8700::acquire_accel_data_g(float * a_data) |
| AswinSivakumar | 0:a4ffc3c3e770 | 61 | { |
| AswinSivakumar | 0:a4ffc3c3e770 | 62 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 63 | char data_bytes[7]; |
| AswinSivakumar | 0:a4ffc3c3e770 | 64 | char d[1]; |
| AswinSivakumar | 0:a4ffc3c3e770 | 65 | d[0]=FXOS8700_STATUS; |
| AswinSivakumar | 0:a4ffc3c3e770 | 66 | accelmagi2c.write(FXOS8700_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes. |
| AswinSivakumar | 0:a4ffc3c3e770 | 67 | accelmagi2c.read(FXOS8700_I2C_ADDRESS,data_bytes,7); |
| AswinSivakumar | 0:a4ffc3c3e770 | 68 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 69 | a_data[0] = ((float)((int16_t)(((data_bytes[1]*256) + (data_bytes[2])))>> 2) * 0.000244); |
| AswinSivakumar | 0:a4ffc3c3e770 | 70 | a_data[1] = ((float)((int16_t)(((data_bytes[3]*256) + (data_bytes[4])))>> 2) * 0.000244); |
| AswinSivakumar | 0:a4ffc3c3e770 | 71 | a_data[2] = ((float)((int16_t)(((data_bytes[5]*256) + (data_bytes[6])))>> 2) * 0.000244); |
| AswinSivakumar | 0:a4ffc3c3e770 | 72 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 73 | } |
| AswinSivakumar | 0:a4ffc3c3e770 | 74 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 75 | void FXOS8700::acquire_mag_data_uT(float * m_data) |
| AswinSivakumar | 0:a4ffc3c3e770 | 76 | { |
| AswinSivakumar | 0:a4ffc3c3e770 | 77 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 78 | char data_bytes[7]; |
| AswinSivakumar | 0:a4ffc3c3e770 | 79 | char d[1]; |
| AswinSivakumar | 0:a4ffc3c3e770 | 80 | d[0]=FXOS8700_MDR_STATUS; |
| AswinSivakumar | 0:a4ffc3c3e770 | 81 | accelmagi2c.write(FXOS8700_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes. |
| AswinSivakumar | 0:a4ffc3c3e770 | 82 | accelmagi2c.read(FXOS8700_I2C_ADDRESS,data_bytes,7); |
| AswinSivakumar | 0:a4ffc3c3e770 | 83 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 84 | m_data[0] = (float)((int16_t)((data_bytes[1]*256) + (data_bytes[2]))) * 0.1; |
| AswinSivakumar | 0:a4ffc3c3e770 | 85 | m_data[1] = (float)((int16_t)((data_bytes[3]*256) + (data_bytes[4]))) * 0.1; |
| AswinSivakumar | 0:a4ffc3c3e770 | 86 | m_data[2] = (float)((int16_t)((data_bytes[5]*256) + (data_bytes[6]))) * 0.1; |
| AswinSivakumar | 0:a4ffc3c3e770 | 87 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 88 | } |
| AswinSivakumar | 0:a4ffc3c3e770 | 89 | |
| AswinSivakumar | 0:a4ffc3c3e770 | 90 |