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- C Compiler for Microchip PIC microcontrollers
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Prototype
unsigned short Soft_Uart_Read(unsigned short *error);
Returns Returns a received byte.
Description Function receives a byte via software UART. Parameter error will be zero if the
transfer was successful. This is a non-blocking function call, so you should test the
error manually (check the example below).
Requires Soft UART must be initialized and communication established before using this func-
tion. See
Soft_Uart_Init.
Example
// Here’s a loop which holds until data is received:
do
data = Soft_Uart_Read(&error);
while (error);
// Now we can work with it:
if (data) {...}
Soft_Uart_Read
Prototype
void Soft_Uart_Write(char data);
Description Function transmits a byte (data) via UART.
Requires Soft UART must be initialized and communication established before using this func-
tion. See Soft_Uart_Init.
Be aware that during transmission, software UART is incapable of receiving data – data
transfer protocol must be set in such a way to prevent loss of information.
Example
char some_byte = 0x0A;
...
Soft_Uart_Write(some_byte);
Soft_Uart_Write