參數(shù)資料
型號: 101-0602
廠商: Rabbit Semiconductor
文件頁數(shù): 65/106頁
文件大?。?/td> 0K
描述: COMPUTER SNGL BRD BL2500 44.2MHZ
標準包裝: 10
系列: SBC
模塊/板類型: 單板計算機模塊
適用于相關(guān)產(chǎn)品: BL2500
User’s Manual
55
Calibrates the response of the D/A converter channel as a linear function using the two conversion points
provided. Values are calculated and placed into global table _dacCalibS for analog inputs to be stored
later into simulated EEPROM using the function anaOutEEWr().
Each channel will have a linear constant and a voltage offset.
PARAMETERS
channel
is the output channel 0 or 1: 0 for DA0, 1 for DA1
value1
is the first D/A converter value (0–1023), usually a value of 310 that corresponds to 1.0 V
volts1
is the voltage corresponding to the first D/A converter value (0–3.3 V or Vref)
value2
is the second D/A converter value (0–1023), usually a value of 930 that corresponds to 3.0 V
volts2
is the voltage corresponding to the second D/A converter value (0–3.3 V or Vref)
RETURN VALUE
0 if successful
-1 if not able to make calibration constants
SEE ALSO
pwmOut, anaOutEERd, anaOutEEWr
Reads the calibration constants, gain, and offset for an output based on its designated channel code
position into global table _adcCalibS. Use the sample program USERBLOCK_INFO.C in
SAMPLES\USERBLOCK to get the addresses reserved for the calibration data constants and the
addresses available for use in your program.
NOTE: This function cannot be run in RAM.
PARAMETERS
channel
is the output channel 0 or 1: 0 for DA0, 1 for DA1
RETURN VALUE
0 if successful
-1 if invalid address or range
SEE ALSO
anaOutEEWr, anaOutCalib
int anaOutCalib(int channel, int value1,
float volts1,int value2, float volts2);
int anaOutEERd(unsigned int channel);
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