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  Topic: I2C_write (data_l | 0x08); //enable=0 and rs =0
czar

Replies: 2
Views: 9884
 PostForum: General CCS C Discussion   Posted: Sun Jan 05, 2020 9:32 pm   Subject: I2C_write (data_l | 0x08); //enable=0 and rs =0
| is 'or'.
It's being used here to set bit 3 in the number fed to the write function. Why,
would be a matter of looking at the data sheet for the device involved.

Thanks Ttelmah!
  Topic: I2C_write (data_l | 0x08); //enable=0 and rs =0
czar

Replies: 2
Views: 9884
 PostForum: General CCS C Discussion   Posted: Sun Jan 05, 2020 1:44 am   Subject: I2C_write (data_l | 0x08); //enable=0 and rs =0
I'm working with I2C LCD but don't understand this line, why the | in the parameters of the function I2C_write?
 
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