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c6ec22c4c8
This was oringinally contributed/reported/discussed/patched by Philippe Retornaz (EPFL) but it's implemented in a more configurable fashion here.
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/**
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* \file
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*
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* uart write routines
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*
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* \author
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*
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* Anthony "Asterisk" Ambuehl
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*
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* interrupt routines which must be in HOME bank. handles received data from UART.
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*
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*/
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#include "cc253x.h"
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#include "dev/uart0.h"
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#include "dev/uart1.h"
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#include "sys/energest.h"
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#include "dev/leds.h"
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#if UART0_ENABLE
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static int (*uart0_input_handler)(unsigned char c);
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#endif
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#if UART1_ENABLE
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static int (*uart1_input_handler)(unsigned char c);
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#endif
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#if UART0_ENABLE
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/*---------------------------------------------------------------------------*/
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void
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uart0_set_input(int (*input)(unsigned char c))
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{
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uart0_input_handler = input;
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}
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/*---------------------------------------------------------------------------*/
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#if UART0_CONF_WITH_INPUT
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/* avoid referencing bits since we're not using them */
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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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uart0_rx_isr(void) __interrupt (URX0_VECTOR)
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{
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ENERGEST_ON(ENERGEST_TYPE_IRQ);
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leds_toggle(LEDS_YELLOW);
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URX0IF = 0;
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if(uart0_input_handler != NULL) {
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uart0_input_handler(U0DBUF);
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}
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ENERGEST_OFF(ENERGEST_TYPE_IRQ);
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}
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#pragma restore
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#endif
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#endif /* UART0_ENABLE */
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#if UART1_ENABLE
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/*---------------------------------------------------------------------------*/
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void
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uart1_set_input(int (*input)(unsigned char c))
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{
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uart1_input_handler = input;
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}
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/*---------------------------------------------------------------------------*/
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#if UART_ONE_CONF_WITH_INPUT
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/* avoid referencing bits since we're not using them */
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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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uart1_rx_isr(void) __interrupt (URX1_VECTOR)
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{
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ENERGEST_ON(ENERGEST_TYPE_IRQ);
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URX1IF = 0;
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if(uart1_input_handler != NULL) {
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uart1_input_handler(U1DBUF);
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}
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ENERGEST_OFF(ENERGEST_TYPE_IRQ);
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}
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#pragma restore
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/*---------------------------------------------------------------------------*/
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#endif /* UART_ONE_CONF_WITH_INPUT */
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#endif /* UART1_ENABLE */
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