112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
/**
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* \file
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* CC2430 RF driver
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* \author
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* Zach Shelby <zach@sensinode.com> (Original)
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* George Oikonomou - <oikonomou@users.sourceforge.net>
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* (recent updates for the contiki cc2430 port)
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*
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* Non-bankable code for cc2430 rf driver.
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* Interrupt routines must be placed into the HOME bank.
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*
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*/
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#include <stdio.h>
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#include "contiki.h"
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#include "dev/radio.h"
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#include "dev/cc2430_rf.h"
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#include "cc2430_sfr.h"
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#ifdef RF_LED_ENABLE
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#include "dev/leds.h"
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#endif
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#include "sys/clock.h"
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#include "net/packetbuf.h"
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#include "net/rime/rimestats.h"
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#include "net/netstack.h"
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#define DEBUG 0
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#if DEBUG
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...) do {} while (0)
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#endif
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#ifdef RF_LED_ENABLE
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#define RF_RX_LED_ON() leds_on(LEDS_RED);
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#define RF_RX_LED_OFF() leds_off(LEDS_RED);
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#define RF_TX_LED_ON() leds_on(LEDS_GREEN);
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#define RF_TX_LED_OFF() leds_off(LEDS_GREEN);
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#else
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#define RF_RX_LED_ON()
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#define RF_RX_LED_OFF()
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#define RF_TX_LED_ON()
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#define RF_TX_LED_OFF()
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#endif
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#ifdef HAVE_RF_ERROR
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uint8_t rf_error = 0;
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#endif
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PROCESS_NAME(cc2430_rf_process);
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#if !NETSTACK_CONF_SHORTCUTS
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/*---------------------------------------------------------------------------*/
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/**
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* RF interrupt service routine.
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*
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*/
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#pragma save
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#if CC_CONF_OPTIMIZE_STACK_SIZE
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#pragma exclude bits
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#endif
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void
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cc2430_rf_ISR(void) __interrupt(RF_VECTOR)
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{
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EA = 0;
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ENERGEST_ON(ENERGEST_TYPE_IRQ);
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/*
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* We only vector here if RFSTATUS.FIFOP goes high.
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* Just double check the flag.
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*/
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if(RFIF & IRQ_FIFOP) {
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RF_RX_LED_ON();
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/* Poll the RF process which calls cc2430_rf_read() */
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process_poll(&cc2430_rf_process);
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}
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S1CON &= ~(RFIF_0 | RFIF_1);
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ENERGEST_OFF(ENERGEST_TYPE_IRQ);
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EA = 1;
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}
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#pragma restore
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#endif
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/*---------------------------------------------------------------------------*/
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#if CC2430_RFERR_INTERRUPT
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/**
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* RF error interrupt service routine.
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* Turned off by default, can be turned on in contiki-conf.h
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*/
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#pragma save
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#if CC_CONF_OPTIMIZE_STACK_SIZE
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#pragma exclude bits
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#endif
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void
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cc2430_rf_error_ISR(void) __interrupt(RFERR_VECTOR)
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{
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EA = 0;
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TCON_RFERRIF = 0;
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#ifdef HAVE_RF_ERROR
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rf_error = 254;
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#endif
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cc2430_rf_command(ISRFOFF);
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cc2430_rf_command(ISFLUSHRX);
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cc2430_rf_command(ISFLUSHRX);
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cc2430_rf_command(ISRXON);
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RF_RX_LED_OFF();
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RF_TX_LED_OFF();
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EA = 1;
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}
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#pragma restore
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#endif
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/*---------------------------------------------------------------------------*/
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