Function uart_buffer_append

Output/UARTOut/arm/uart_serial.c:289–311

}

void uart_buffer_append(char c)
{
	uart_buffer[uart_buffer_tail++] = c;
	uart_buffer_items++;

	// Wrap-around of tail pointer
	if ( uart_buffer_tail >= uart_buffer_size )
	{
		uart_buffer_tail = 0;
	}

	// Make sure the head pointer also moves if circular buffer is overwritten
	if ( uart_buffer_head == uart_buffer_tail )
	{
		uart_buffer_head++;
	}

	// Wrap-around of head pointer
	if ( uart_buffer_head >= uart_buffer_size )
	{
		uart_buffer_head = 0;
	}
}

// Get the next character, or -1 if nothing received
int uart_serial_getchar()