nes-proj/cpu/cc2430/dev/uart_intr.c
George Oikonomou 95b9d4ee29 Sensinode/cc2430 stack depth optimisation
This replicates the method used by the cc2530 port
2012-09-20 15:09:15 +01:00

92 lines
2.1 KiB
C

/**
* \file
*
* uart write routines
*
* \author
*
* Anthony "Asterisk" Ambuehl
*
* interrupt routines which must be in HOME bank. handles received data from UART.
*
*/
#include <stdlib.h>
#include <string.h>
#include "cc2430_sfr.h"
#include "dev/leds.h"
#include "dev/uart0.h"
#include "dev/uart1.h"
#include "sys/energest.h"
#if UART_ZERO_ENABLE
static int (*uart0_input_handler)(unsigned char c);
#endif
#if UART_ONE_ENABLE
static int (*uart1_input_handler)(unsigned char c);
#endif
#if UART_ZERO_ENABLE
/*---------------------------------------------------------------------------*/
void
uart0_set_input(int (*input)(unsigned char c))
{
uart0_input_handler = input;
}
/*---------------------------------------------------------------------------*/
#pragma save
#if CC_CONF_OPTIMIZE_STACK_SIZE
#pragma exclude bits
#endif
void
uart0_rx_ISR(void) __interrupt (URX0_VECTOR)
{
ENERGEST_ON(ENERGEST_TYPE_IRQ);
TCON_URX0IF = 0;
if(uart0_input_handler != NULL) {
uart0_input_handler(U0BUF);
}
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
}
/*---------------------------------------------------------------------------*/
void
uart0_tx_ISR( void ) __interrupt (UTX0_VECTOR)
{
}
#pragma restore
#endif /* UART_ZERO_ENABLE */
#if UART_ONE_ENABLE
/*---------------------------------------------------------------------------*/
void
uart1_set_input(int (*input)(unsigned char c))
{
uart1_input_handler = input;
}
/*---------------------------------------------------------------------------*/
#if UART_ONE_CONF_WITH_INPUT
#pragma save
#if CC_CONF_OPTIMIZE_STACK_SIZE
#pragma exclude bits
#endif
void
uart1_rx_ISR(void) __interrupt (URX1_VECTOR)
{
ENERGEST_ON(ENERGEST_TYPE_IRQ);
TCON_URX1IF = 0;
if(uart1_input_handler != NULL) {
uart1_input_handler(U1BUF);
}
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
}
/*---------------------------------------------------------------------------*/
void
uart1_tx_ISR( void ) __interrupt (UTX1_VECTOR)
{
}
#pragma restore
/*---------------------------------------------------------------------------*/
#endif /* UART_ONE_CONF_WITH_INPUT */
#endif /* UART_ONE_ENABLE */