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boards/samr21-xpro: adapted and extended UART defs

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- adapted to optimized UART implementation
- defined a 2. UART device
This commit is contained in:
Hauke Petersen 2015-09-14 17:20:27 +02:00
parent 1a29163b63
commit 444d9e1d76
1 changed files with 14 additions and 10 deletions
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24
boards/samr21-xpro/include/periph_conf.h
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@ -23,7 +23,9 @@
#define PERIPH_CONF_H_
#include <stdint.h>
#include "cpu.h"
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
@ -101,19 +103,21 @@ extern "C" {
* @name UART configuration
* @{
*/
#define UART_NUMOF (1U)
/* deprecated UART enable defines (to be removed) */
#define UART_NUMOF (2U)
#define UART_0_EN 1
#define UART_IRQ_PRIO 1
#define UART_1_EN 1
/* UART 0 device configuration */
#define UART_0_DEV SERCOM0->USART
#define UART_0_IRQ SERCOM0_IRQn
/* UART device configuration */
static const uart_conf_t uart_config[] = {
/* device, RX pin, TX pin, mux */
{&SERCOM0->USART, GPIO(PA,5), GPIO(PA,4), GPIO_MUX_D},
{&SERCOM5->USART, GPIO(PA,23), GPIO(PA,22), GPIO_MUX_D},
};
/* interrupt function name mapping */
#define UART_0_ISR isr_sercom0
/* UART 0 pin configuration */
#define UART_0_PORT (PORT->Group[0])
#define UART_0_TX_PIN (4)
#define UART_0_RX_PIN (5)
#define UART_0_PINS (PORT_PA04 | PORT_PA05)
#define UART_1_ISR isr_sercom5
/** @} */
/**