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annotate Small_CPU/Inc/i2c.h @ 714:045ff7800501

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Added customizable data area for specific sensor data: In future smart sensors will be connected via UART interface. These sensor provide additional data like diagnostics or id numbers which may vary from sensor to sensor. That's why a byte array has been added which stores up to 32 bytes. The layout of this array may be specific to sensor needs. As first example temperature and id number of the DiveO2 sensor are provided.
author Ideenmodellierer
date Sun, 20 Nov 2022 20:42:08 +0100
parents 91a8f9893e68
children
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1 /* Define to prevent recursive inclusion -------------------------------------*/
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2 #ifndef I2C_H
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3 #define I2C_H
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4
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5 /* Pressure Sensor */
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6 #define DEVICE_PRESSURE_MS5803 0xEE // gen 1 and gen 2 use 0xEE (MS5803)
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7 #define DEVICE_PRESSURE_MS5837 0xEC // end-2019 hardware (gen 3) uses 0xEC (MS5837)
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9 /* Compass/Accelerometer */
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10 #define COMPASS_NOT_RECOGNIZED 0xAA ///< id used with hardwareCompass
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12 typedef enum
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13 {
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14 compass_generation_undef = 0x00,
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15 compass_generation1, // Hardware gen 1 (Two chip solution with MMA8452Q and HMC5883L)
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16 compass_generation2, // Hardware gen 2 (Single chip solution LSM303D)
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17 compass_generation3, // Hardware gen 3 (Single chip solution LSM303AGR)
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18 compass_generation_future
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19 } compass_generation_t;
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21 #define DEVICE_ACCELARATOR_MMA8452Q 0x38 // Hardware gen 1 (Two chip solution with MMA8452Q and HMC5883L)
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22 #define DEVICE_COMPASS_HMC5883L 0x3C // Hardware gen 1 (Two chip solution with MMA8452Q and HMC5883L)
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24 #define DEVICE_COMPASS_303D 0x3C // Hardware gen 2 (Single chip solution LSM303D)
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26 #define DEVICE_COMPASS_303AGR 0x3C // Hardware gen 3 (Single chip solution LSM303AGR)
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27 #define DEVICE_ACCELARATOR_303AGR 0x32 // Hardware gen 3 (Single chip solution LSM303AGR)
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29 // Compass 3 defines (Can move in separate .h file...)
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30 #define WHOIAM_VALUE_LSM303AGR 0x33
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32 /* Battery Gas Gauge */
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33 #define DEVICE_BATTERYGAUGE 0xC8 // LTC2941 battery gauge
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35 /* ADC for external bulkhead */
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36 #define DEVICE_EXTERNAL_ADC 0xD0 // MCP3424 with Adr0=GND and Adr1=GND (Hardware gen 3 only)
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39 /* Includes ------------------------------------------------------------------*/
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40 #include "stm32f4xx_hal.h"
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41
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42 HAL_StatusTypeDef I2C_Master_Transmit( uint16_t DevAddress, uint8_t *pData, uint16_t Size);
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43 HAL_StatusTypeDef I2C_Master_TransmitNoStop( uint16_t DevAddress, uint8_t *pData, uint16_t Size);
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44 HAL_StatusTypeDef I2C_Master_Receive( uint16_t DevAddress, uint8_t *pData, uint16_t Size);
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45 HAL_StatusTypeDef MX_I2C1_Init(void);
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46 void I2C_DeInit(void);
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47 HAL_StatusTypeDef I2C1_Status(void);
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49 GPIO_PinState MX_I2C1_TestAndClear(void);
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51 //void I2C_Error(void);
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54 #endif /* I2C_H */