Example added. rework library with float.
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lilian
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69280f8ec8
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4 changed files with 174 additions and 72 deletions
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@ -85,19 +85,19 @@ typedef enum {
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typedef union
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{
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struct {
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uint16_t esht : 1 ; // Enable/Disable shunt measure // LSB
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uint16_t ebus : 1 ; // Enable/Disable bus measure
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uint16_t mode : 1 ; // Single shot measure or continious mode
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uint16_t vsht : 3 ; // Shunt voltage conversion time
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uint16_t vbus : 3 ; // Bus voltage conversion time
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uint16_t avg : 3 ; // number of sample collected and averaged together
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uint16_t ch3 : 1 ; // Enable/Disable channel 3
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uint16_t ch2 : 1 ; // Enable/Disable channel 2
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uint16_t ch1 : 1 ; // Enable/Disable channel 1
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uint16_t reset : 1 ; //Set this bit to 1 to reset device // MSB
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uint16_t esht : 1; // Enable/Disable shunt measure // LSB
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uint16_t ebus : 1; // Enable/Disable bus measure
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uint16_t mode : 1; // Single shot measure or continious mode
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uint16_t vsht : 3; // Shunt voltage conversion time
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uint16_t vbus : 3; // Bus voltage conversion time
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uint16_t avg : 3; // number of sample collected and averaged together
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uint16_t ch3 : 1; // Enable/Disable channel 3
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uint16_t ch2 : 1; // Enable/Disable channel 2
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uint16_t ch1 : 1; // Enable/Disable channel 1
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uint16_t rst : 1; //Set this bit to 1 to reset device // MSB
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};
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uint16_t config_register ;
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} ina3221_config_t ;
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uint16_t config_register;
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} ina3221_config_t;
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/*
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@ -123,17 +123,17 @@ typedef union
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uint16_t scc1 : 1 ; // channel 1 sum (1:enable)
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uint16_t : 1 ; //Reserved //MSB
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};
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uint16_t mask_register ;
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} ina3221_mask_t ;
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uint16_t mask_register;
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} ina3221_mask_t;
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/*
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* Device description
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*/
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typedef struct {
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uint8_t addr ; // ina3221 I2C address
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ina3221_config_t config ; //Memory of ina3221 config
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ina3221_mask_t mask ; //Memory of mask_config
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uint16_t shunt[BUS_NUMBER] ; //Memory of shunt value (mOhm)
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const uint8_t addr; // ina3221 I2C address
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const uint16_t shunt[BUS_NUMBER]; //Memory of shunt value (mOhm)
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ina3221_config_t config; //Memory of ina3221 config
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ina3221_mask_t mask; //Memory of mask_config
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} ina3221_t;
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/**
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@ -221,76 +221,76 @@ int ina3221_setShuntConversionTime(ina3221_t *dev,ina3221_ct_t ct);
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int ina3221_reset(ina3221_t *dev);
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/**
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* Get Bus voltage (mV)
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* Get Bus voltage (V)
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* @param dev Pointer to device descriptor
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* @param channel Select channel value to get
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* @param voltage Data pointer to get bus voltage (mV)
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* @param voltage Data pointer to get bus voltage (V)
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* @return Non-zero if error occured
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*/
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int ina3221_getBusVoltage(ina3221_t *dev, ina3221_channel_t channel, int32_t *voltage);
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int ina3221_getBusVoltage(ina3221_t *dev, ina3221_channel_t channel, float *voltage);
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/**
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* Get Shunt voltage (uV) and current (mA)
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* Get Shunt voltage (mV) and current (mA)
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* @param dev Pointer to device descriptor
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* @param channel Select channel value to get
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* @param voltage Data pointer to get shunt voltage (uV)
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* @param voltage Data pointer to get shunt voltage (mV)
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* @param current Data pointer to get shunt voltage (mA)
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* @return Non-zero if error occured
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*/
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int ina3221_getShuntValue(ina3221_t *dev, ina3221_channel_t channel, int32_t *voltage, int32_t *current);
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int ina3221_getShuntValue(ina3221_t *dev, ina3221_channel_t channel, float *voltage, float *current);
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/**
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* Get Shunt-voltage (uV) sum value of selected channels
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* Get Shunt-voltage (mV) sum value of selected channels
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* @param dev Pointer to device descriptor
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* @param channel Select channel value to get
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* @param voltage Data pointer to get shunt voltage (uV)
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* @param voltage Data pointer to get shunt voltage (mV)
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* @return Non-zero if error occured
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*/
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int ina3221_getSumShuntValue(ina3221_t *dev, int32_t *voltage);
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int ina3221_getSumShuntValue(ina3221_t *dev, float *voltage);
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/**
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* Set Critical alert (when measurement(s) is greater that value set )
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* @param dev Pointer to device descriptor
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* @param channel Select channel value to set
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* @param current Value to set (mA)
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* @param current Value to set (mA) // max : 163800/shunt (mOhm)
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* @return Non-zero if error occured
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*/
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int ina3221_setCriticalAlert(ina3221_t *dev, ina3221_channel_t channel, int32_t current);
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int ina3221_setCriticalAlert(ina3221_t *dev, ina3221_channel_t channel, float current);
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/**
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* Set Warning alert (when average measurement(s) is greater that value set )
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* @param dev Pointer to device descriptor
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* @param channel Select channel value to set
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* @param current Value to set (mA)
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* @param current Value to set (mA) // max : 163800/shunt (mOhm)
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* @return Non-zero if error occured
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*/
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int ina3221_setWarningAlert(ina3221_t *dev, ina3221_channel_t channel, int32_t current);
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int ina3221_setWarningAlert(ina3221_t *dev, ina3221_channel_t channel, float current);
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/**
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* Set Sum Warning alert (Compared to each completed cycle of all selected channels : Sum register )
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* @param dev Pointer to device descriptor
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* @param voltage voltage to set (uV) : 40uV step
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* @param voltage voltage to set (mV) // max : 655.32
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* @return Non-zero if error occured
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*/
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int ina3221_setSumWarningAlert(ina3221_t *dev, int32_t voltage);
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int ina3221_setSumWarningAlert(ina3221_t *dev, float voltage);
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/**
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* Set Power-valid upper-limit ( To determine if power conditions are met.)( bus need enable )
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* If bus voltage exceed the value set, PV pin is high
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* @param dev Pointer to device descriptor
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* @param voltage voltage to set (mV) : 8mV step
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* @param voltage voltage to set (V)
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* @return Non-zero if error occured
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*/
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int ina3221_setPowerValidUpperLimit(ina3221_t *dev, int32_t voltage);
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int ina3221_setPowerValidUpperLimit(ina3221_t *dev, float voltage);
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/**
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* Set Power-valid lower-limit ( To determine if power conditions are met.)( bus need enable )
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* If bus voltage drops below the value set, PV pin is low
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* @param dev Pointer to device descriptor
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* @param voltage voltage to set (mV) : 8mV step
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* @param voltage voltage to set (V)
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* @return Non-zero if error occured
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*/
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int ina3221_setPowerValidLowerLimit(ina3221_t *dev, int32_t voltage);
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int ina3221_setPowerValidLowerLimit(ina3221_t *dev, float voltage);
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#ifdef __cplusplus
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}
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