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Make the CC2538 UART driver more configurable

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* We can now very easily switch between UART0 and UART1 through a define
* We can also configure the UART RX and TX port/pin through defines
This commit is contained in:
George Oikonomou 2013-05-15 12:59:49 +01:00 • committed by George Oikonomou
parent 1f76b7d0f9
commit 6c6013b898
4 changed files with 91 additions and 37 deletions
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19
platform/cc2538dk/startup-gcc.c
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@ -38,6 +38,7 @@
*/
#include "contiki.h"
#include "reg.h"
#include "uart.h"
#include <stdint.h>
@ -71,12 +72,22 @@ void usb_isr(void);
#define usb_isr default_handler
#endif
/* Likewise for the UART ISR */
/* Likewise for the UART[01] ISRs */
#if UART_CONF_ENABLE
void uart_isr(void);
#if UART_BASE==UART_1_BASE
#define uart0_isr default_handler
#define uart1_isr uart_isr
#else
#define uart_isr default_handler
#define uart0_isr uart_isr
#define uart1_isr default_handler
#endif
#else /* UART_CONF_ENABLE */
#define uart0_isr default_handler
#define uart1_isr default_handler
#endif /* UART_CONF_ENABLE */
/*---------------------------------------------------------------------------*/
/* Allocate stack space */
static unsigned long stack[512];
@ -123,8 +134,8 @@ void(*const vectors[])(void) =
gpio_port_c_isr, /* 18 GPIO Port C */
gpio_port_d_isr, /* 19 GPIO Port D */
0, /* 20 none */
uart_isr, /* 21 UART0 Rx and Tx */
default_handler, /* 22 UART1 Rx and Tx */
uart0_isr, /* 21 UART0 Rx and Tx */
uart1_isr, /* 22 UART1 Rx and Tx */
default_handler, /* 23 SSI0 Rx and Tx */
default_handler, /* 24 I2C Master and Slave */
0, /* 25 Reserved */