Update and fix

This commit is contained in:
lilian 2016-12-19 10:54:26 +01:00
parent 9ee3ec59ab
commit b9e1472e81
2 changed files with 11 additions and 20 deletions

View file

@ -8,7 +8,7 @@
#include "ina3221.h"
#ifdef INA3221_DEBUG
#define debug(fmt, ...) printf("%s: " fmt "\n", "SSD1306", ## __VA_ARGS__)
#define debug(fmt, ...) printf("%s: " fmt "\n", "INA3221", ## __VA_ARGS__)
#else
#define debug(fmt, ...)
#endif
@ -107,23 +107,19 @@ int ina3221_setShuntConversionTime(ina3221_t *dev,ina3221_ct_t ct)
int ina3221_reset(ina3221_t *dev)
{
dev->config.config_register = INA3221_DEFAULT_CONFIG ; //internal lib reset
dev->config.config_register = INA3221_DEFAULT_CONFIG ; //dev reset
dev->config.mask = INA3221_DEFAULT_CONFIG ; //dev reset
dev->config.reset = 1 ;
return _wireWriteRegister(dev->addr, INA3221_REG_CONFIG, dev->config.config_register); // send reset to device
}
static int _get_raw(uint8_t addr, uint8_t reg, ina3221_channel_t channel, uint16_t *raw)
{
return _wireReadRegister(addr,reg+channel*2, raw);
}
int ina3221_getBusVoltage(ina3221_t *dev, ina3221_channel_t channel, uint32_t *voltage)
{
uint16_t raw_value ;
int err = 0 ;
if ((err = _get_raw(dev->addr,INA3221_REG_BUSVOLTAGE_1, channel, &raw_value)))
if ((err = _wireReadRegister(dev->addr,INA3221_REG_BUSVOLTAGE_1+channel*2, &raw_value)))
return err;
*voltage = (raw_value>>3)*8 ; //mV
*voltage = (raw_value>>3)*8 ; //mV 8mV step
return 0;
}
@ -131,26 +127,21 @@ int ina3221_getShuntValue(ina3221_t *dev, ina3221_channel_t channel, uint32_t *v
{
uint16_t raw_value ;
int err = 0 ;
if ((err = _get_raw(dev->addr,INA3221_REG_SHUNTVOLTAGE_1, channel, &raw_value)))
if ((err = _wireReadRegister(dev->addr,INA3221_REG_SHUNTVOLTAGE_1+channel*2, &raw_value)))
return err;
*voltage = (raw_value>>3)*40 ; //uV
*current = *voltage/dev->shunt[channel] ; //mA = uV / mOhm
*voltage = (raw_value>>3)*40 ; //uV 40uV step
if(dev->shunt[channel]) *current = *voltage/dev->shunt[channel] ; //mA = uV / mOhm
return 0;
}
static int _set_raw(uint8_t addr, uint8_t reg, ina3221_channel_t channel, uint16_t raw)
{
return _wireWriteRegister(addr,reg+channel*2, raw);
}
int ina3221_setCriticalAlert(ina3221_t *dev, ina3221_channel_t channel, uint32_t current)
{
uint16_t raw_value = (current*dev->shunt[channel]/40)<<3 ;
return _set_raw(dev->addr,INA3221_REG_CRITICAL_ALERT_1, channel, raw_value) ;
return _wireWriteRegister(dev->addr,INA3221_REG_CRITICAL_ALERT_1+channel*2, raw_value);
}
int ina3221_setWarningAlert(ina3221_t *dev, ina3221_channel_t channel, uint32_t current)
{
uint16_t raw_value = (current*dev->shunt[channel]/40)<<3 ;
return _set_raw(dev->addr,INA3221_REG_WARNING_ALERT_1, channel, raw_value) ;
return _wireWriteRegister(dev->addr,INA3221_REG_WARNING_ALERT_1+channel*2, raw_value);
}

View file

@ -30,8 +30,8 @@
#define INA3221_REG_VALID_POWER_UPPER_LIMIT (0x10)
#define INA3221_REG_VALID_POWER_LOWER_LIMIT (0x11)
#define INA3221_DEFAULT_CONFIG (0x7127) //Default register after reset
#define INA3221_DEFAULT_MASK (0x0002)
#define INA3221_DEFAULT_POWER_UPPER_LIMIT (0x2710) //10V
#define INA3221_DEFAULT_POWER_LOWER_LIMIT (0x2328) //9V
/*