s8 at_send_data(u8 *data, u16 len)//send data
{
u16 i = 0;
while(i<len)
{
usart_send_char(data[i++]);//
}
return 0;
}
int main(void) {
DDRB |= 1<<PB0;
usart_init();
pwm_init();
pwm_set(0);
char ch;
while(1) {
if(char_fifo_is_empty(usart_recv_fifo()))
char_fifo_pop(usart_recv_fifo(), &ch);
usart_send_char(ch);
}
return 0;
}
void usart_send_str(const char *str)
{
while ( *str ) usart_send_char(*(str++));
}
