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add i2c sample

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pvvx 2017-05-06 17:50:18 +03:00
parent 1752a87a8e
commit 60ffc5c30f
8 changed files with 929 additions and 8 deletions
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91
project/inc/ina219/ina219.h Normal file
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/**************************************************************************/
/**************************************************************************/
#ifndef _INA219_H_
#define _INA219_H_
/*=========================================================================
I2C ADDRESS/BITS
-----------------------------------------------------------------------*/
#define INA219_ADDRESS (0x80) // 1000000r (A0+A1=GND)
#define INA219_READ (0x01)
/*=========================================================================*/
/*=========================================================================
CONFIG REGISTER (R/W)
-----------------------------------------------------------------------*/
#define INA219_REG_CONFIG (0x00)
/*---------------------------------------------------------------------*/
#define INA219_CONFIG_RESET (0x8000) // Reset Bit
#define INA219_CONFIG_BVOLTAGERANGE_MASK (0x2000) // Bus Voltage Range Mask
#define INA219_CONFIG_BVOLTAGERANGE_16V (0x0000) // 0-16V Range
#define INA219_CONFIG_BVOLTAGERANGE_32V (0x2000) // 0-32V Range
#define INA219_CONFIG_GAIN_MASK (0x1800) // Gain Mask
#define INA219_CONFIG_GAIN_1_40MV (0x0000) // Gain 1, 40mV Range
#define INA219_CONFIG_GAIN_2_80MV (0x0800) // Gain 2, 80mV Range
#define INA219_CONFIG_GAIN_4_160MV (0x1000) // Gain 4, 160mV Range
#define INA219_CONFIG_GAIN_8_320MV (0x1800) // Gain 8, 320mV Range
#define INA219_CONFIG_BADCRES_MASK (0x0780) // Bus ADC Resolution Mask
#define INA219_CONFIG_BADCRES_9BIT (0x0080) // 9-bit bus res = 0..511
#define INA219_CONFIG_BADCRES_10BIT (0x0100) // 10-bit bus res = 0..1023
#define INA219_CONFIG_BADCRES_11BIT (0x0200) // 11-bit bus res = 0..2047
#define INA219_CONFIG_BADCRES_12BIT (0x0400) // 12-bit bus res = 0..4097
#define INA219_CONFIG_SADCRES_MASK (0x0078) // Shunt ADC Resolution and Averaging Mask
#define INA219_CONFIG_SADCRES_9BIT_1S_84US (0x0000) // 1 x 9-bit shunt sample
#define INA219_CONFIG_SADCRES_10BIT_1S_148US (0x0008) // 1 x 10-bit shunt sample
#define INA219_CONFIG_SADCRES_11BIT_1S_276US (0x0010) // 1 x 11-bit shunt sample
#define INA219_CONFIG_SADCRES_12BIT_1S_532US (0x0018) // 1 x 12-bit shunt sample
#define INA219_CONFIG_SADCRES_12BIT_1S_532US_ (0x0040) // 1 x 12-bit shunt sample
#define INA219_CONFIG_SADCRES_12BIT_2S_1060US (0x0048) // 2 x 12-bit shunt samples averaged together
#define INA219_CONFIG_SADCRES_12BIT_4S_2130US (0x0050) // 4 x 12-bit shunt samples averaged together
#define INA219_CONFIG_SADCRES_12BIT_8S_4260US (0x0058) // 8 x 12-bit shunt samples averaged together
#define INA219_CONFIG_SADCRES_12BIT_16S_8510US (0x0060) // 16 x 12-bit shunt samples averaged together
#define INA219_CONFIG_SADCRES_12BIT_32S_17MS (0x0068) // 32 x 12-bit shunt samples averaged together
#define INA219_CONFIG_SADCRES_12BIT_64S_34MS (0x0070) // 64 x 12-bit shunt samples averaged together
#define INA219_CONFIG_SADCRES_12BIT_128S_69MS (0x0078) // 128 x 12-bit shunt samples averaged together
#define INA219_CONFIG_MODE_MASK (0x0007) // Operating Mode Mask
#define INA219_CONFIG_MODE_POWERDOWN (0x0000)
#define INA219_CONFIG_MODE_SVOLT_TRIGGERED (0x0001)
#define INA219_CONFIG_MODE_BVOLT_TRIGGERED (0x0002)
#define INA219_CONFIG_MODE_SANDBVOLT_TRIGGERED (0x0003)
#define INA219_CONFIG_MODE_ADCOFF (0x0004)
#define INA219_CONFIG_MODE_SVOLT_CONTINUOUS (0x0005)
#define INA219_CONFIG_MODE_BVOLT_CONTINUOUS (0x0006)
#define INA219_CONFIG_MODE_SANDBVOLT_CONTINUOUS (0x0007)
/*=========================================================================*/
/*=========================================================================
SHUNT VOLTAGE REGISTER (R)
-----------------------------------------------------------------------*/
#define INA219_REG_SHUNTVOLTAGE (0x01)
/*=========================================================================*/
/*=========================================================================
BUS VOLTAGE REGISTER (R)
-----------------------------------------------------------------------*/
#define INA219_REG_BUSVOLTAGE (0x02)
/*=========================================================================*/
/*=========================================================================
POWER REGISTER (R)
-----------------------------------------------------------------------*/
#define INA219_REG_POWER (0x03)
/*=========================================================================*/
/*=========================================================================
CURRENT REGISTER (R)
-----------------------------------------------------------------------*/
#define INA219_REG_CURRENT (0x04)
/*=========================================================================*/
/*=========================================================================
CALIBRATION REGISTER (R/W)
-----------------------------------------------------------------------*/
#define INA219_REG_CALIBRATION (0x05)
/*=========================================================================*/
#endif // _INA219_H_

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project/inc/ina219/ina219buf.h Normal file
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/**************************************************************************
* Драйвер для INA219
**************************************************************************/
#ifndef _INA219DRV_H_
#define _INA219DRV_H_
#include "ina219/ina219.h"
#include "device.h"
#include "timer_api.h"
#include "driver/i2c_drv.h"
typedef struct _ina219data {
signed short voltage; // Voltage, 1mV
signed short current; // Current, 50uA?
signed short power; // Power, 1mW
unsigned short shunt; // 10uV
} INA219DATA, *PINA219DATA;
typedef struct _ina219drv {
unsigned char status;
unsigned char addr;
signed char init;
unsigned char tmp;
unsigned short config; // регистр конфигурации INA219
unsigned short calibration; // коэф. шунта для INA219
unsigned int count;
unsigned int errs;
gtimer_t timer;
union { // буфер
unsigned char uc[4];
unsigned short us[2];
signed short ss[2];
unsigned int ui;
} buf_i2c;
volatile i2c_drv_t i2c;
} INA219DRV, *PINA219DRV;
#define INA219_I2C_PIN_SDA PC_4
#define INA219_I2C_PIN_SCL PC_5
#define INA219_I2C_BUS_CLK 300000 //hz
#define INA219_TIMER TIMER3 // используемый таймер
#endif // _INA219DRV_H_