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- Meaning of “| =” operator? 4 answers
- “|的含义=“运营商？ 4个答案
I am trying to understand what the C Operator |= do:
我试图了解C运算符| =做什么：
// Initialize the green led
// Enable the clock for PORT D. See Page 216 of the Datasheet
SIM_SCGC5 |= (1U<<12);
// Enable the mux as GPIO. See Page 193 of the Datasheet
PORTD_PCR5 = 0x100;
I also don't understand what the 0x100 means.
我也不明白0x100的意思。
1 个解决方案
#1
4
It is a bitwise OR compound assignment, it is the same as :
它是一个按位OR复合赋值，它与：
SIM_SCGC5 = SIM_SCGC5 | (1U<<12);
The 0x100 it is the value 100 in hexadecimal, the 0x prefix means hexadecimal value.
0x100是十六进制值100，0x前缀表示十六进制值。
#1
4
It is a bitwise OR compound assignment, it is the same as :
它是一个按位OR复合赋值，它与：
SIM_SCGC5 = SIM_SCGC5 | (1U<<12);
The 0x100 it is the value 100 in hexadecimal, the 0x prefix means hexadecimal value.
0x100是十六进制值100，0x前缀表示十六进制值。