Hi All,
I am trying to use tinyos 2.x with telosb to communicate with PC using UART0.
I have tried different components Msp430Usart0C and Msp430Uart0C but I don't
receive the same character sent from PC.
For example if I send 'a' from PC, I get '0x58 0x08 0x01 0x00' ie four
characters on the PC. Even when the code explicitly sends 1 byte.
I have set baud rate on the PC to 57600. If I run the same code using
Msp430Usart1C component, there is no problem.
Can anyone please point me to the problem in this code?
Following is the sample code I am trying to run.
configuration TestSerialAppC {}
implementation {
components TestSerialC as App, MainC, LedsC;
components new Msp430Usart0C() as usart0;
App.Boot -> MainC;
App.Leds -> LedsC;
App.usart -> usart0;
App.UsartResource -> usart0;
}
module TestSerialC {
uses {
interface HplMsp430Usart as usart;
interface Boot;
interface Resource as UsartResource;
interface Leds;
}
}
implementation {
event void Boot.booted() {
while (call UsartResource.request() != SUCCESS);
}
event void UsartResource.granted() {
uint8_t data;
call usart.setModeUart(&msp430_uart_default_config);
call usart.enableUart();
while (1) {
call Leds.led1On();
while (! call usart.isRxIntrPending());
call Leds.led1Off();
data = call usart.rx();
call usart.clrRxIntr();
call Leds.led0On();
call usart.tx(data);
while (! call usart.isTxEmpty());
if (call usart.isTxIntrPending()) {
call usart.clrTxIntr();
}
call Leds.led0Off();
}
}
}
Any help is appreciated.
Vaibhav
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