Would you tell me if the following part of logic is correct or not if Tmote
Sky wants to receive bytes of data from UART0 RX?
CmuCAM3 (send chars "ACK") -> Tmote Sky
Will usart.isRxIntrPending() set clear after a "usart.rx()" or by "
usart.clrRxIntr()"?
Thanks a lot
event void UsartResource.granted() {
uint32_t i;
uint8_t data,state;
call usart.enableUart();
call usart.setModeUart(&msp430_uart_default_config);
call usart.enableRxIntr();
call usart.enableTxIntr();
while (1){
call Leds.set(0); // clear the LEDs
call Leds.set (1); // Got UART
// wait for some seconds for CmuCAM3
// to get ready from restart
for (i=0;i<1400000;i++){}
call Leds.set(2); //ready to Send
call usart.tx('g');
while (! call usart.isTxEmpty());
call usart.tx('v');
while (! call usart.isTxEmpty());
call usart.tx('\r');
while (! call usart.isTxEmpty());
//call UsartResource.release();
for (i=0;i<1400000;i++){}
call Leds.set(4); //finished
for (i=0;i<1400000;i++){}
call Leds.set (7); // All Light up
//Read ACK from CmuCAM3 after sending a command
while (! call usart.isRxIntrPending()){ //wait for data in rx buffer
data = call usart.rx();
//Check ACK from CmuCAM3
if (data=='A'){
state=1;
call Leds.set(7);
}else if (data='C' && state==1){
state=2;
call Leds.set(6);
}else if (data='K' && state==2){
state=3;
call Leds.set(5);
}else if (data='\r' && state==3){
state=4;
call Leds.set(4);
}else if (data=':' && state==4){
state=5;
call Leds.set(3);
usart.clrRxIntr();
}
}
call Leds.set(2);
}
}
}
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