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help soft uart for arm

i want to use orther pin in soft Uart code.but not work.this code:



char i, error, byte_read; // Auxiliary variables

void main(){
UART1_Init(9600);
error = Soft_UART_Init(&GPIOA_ODR, 7, 6, 9600, 0); // Initialize Soft UART at 56000 bps
if (error > 0) {
GPIOD_ODR = error; // Signalize Init error
while(1); // Stop program
}
Delay_ms(100);




while(1)
{ // Endless loop
// Send bytes from 'z' downto 'A'
Soft_UART_Write('a');
Delay_ms(100);

byte_read = Soft_UART_Read(&error); // Read byte, then test error flag
if (error) // If error was detected
GPIOD_ODR = error; // signal it on PORTD
else
//Soft_UART_Write(byte_read); // If error was not detected, return byte read
UART1_Write(byte_read);
}
}


Uart1 is hard uart.

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