参数资料
型号: 20-151-0178
厂商: Rabbit Semiconductor
文件页数: 93/162页
文件大小: 0K
描述: CABLE CONVERTER RS-232 TO USB
标准包装: 1
附件类型: USB 至 RS232 适配器
适用于相关产品: 基于 Rabbit 的板
产品目录页面: 619 (CN2011-ZH PDF)
其它名称: 20-151-0178-ND
316-1181
flexDigInGroup16
int flexDigInGroup16(Flex_IOPin *digin_pins[],
unsigned int *result);
DESCRIPTION
This function reads the state of a set of digital input channels into the result parameter. The first
parameter must be an array of pointers to Flex_IOPin structures.
Essentially, this is an array of pins.The last entry in the array must be FLEX_GROUP_END . This
indicates the end of the pins in the group. The second parameter must be a pointer to an
unsigned int . The values for each of the inputs will be placed into the variable pointed to by
this pointer. The values are placed in the following manner — the input reading from the first pin
in the pin group is placed in the first bit (lsb) of the result; the second pin is placed in the second
bit; etc.
This function is limited to reading 16 digital inputs at a time. Any unused bits in the result
field will be filled with zeroes.
PARAMETERS
digin_pins
result
array of pointers to Flex_IOPin structures (the information structure for
each I/O pin), terminated by FLEX_GROUP_END . These are the input pins.
the results of the digital reads, with the i’th bit in the result field correspond-
ing to the i’th I/O pin in the digin_pins array.
RETURN VALUE
0 : success
<0 : error (not a valid digital input, or more than 16 digital inputs?)
SEE ALSO
flexDigShadow , flexDigIn , flexDigOut , flexDigOutGroup16
RabbitFLEX User’s Manual
87
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