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boards/nucleo-l1: unified LED defines

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This commit is contained in:
Hauke Petersen 2016-03-11 18:04:26 +01:00
parent c90c23468b
commit 058d1967c8
1 changed files with 2 additions and 31 deletions
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33
boards/nucleo-l1/board.c
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@ -19,9 +19,7 @@
*/ */
#include "board.h" #include "board.h"
#include "cpu.h" #include "periph/gpio.h"
static void leds_init(void);
void board_init(void) void board_init(void)
{ {
@ -29,32 +27,5 @@ void board_init(void)
cpu_init(); cpu_init();
/* initialize the boards LEDs */ /* initialize the boards LEDs */
leds_init(); gpio_init(LED0_PIN, GPIO_DIR_OUT, GPIO_NOPULL);
}
/**
* @brief Initialize the boards on-board LEDs
*
* The LED initialization is hard-coded in this function. As the LED is soldered
* onto the board it is fixed to its CPU pins.
*
* The green LED is connected to pin PA5
*/
static void leds_init(void)
{
/* enable clock for port GPIOE */
RCC->AHBENR |= RCC_AHBENR_GPIOAEN;
/* set output speed to 50MHz */
LED_GREEN_PORT->OSPEEDR |= 0x00000c00;
/* set output type to push-pull */
LED_GREEN_PORT->OTYPER &= ~(0x00000020);
/* configure pins as general outputs */
LED_GREEN_PORT->MODER &= ~(0x00000c00);
LED_GREEN_PORT->MODER |= 0x00000400;
/* disable pull resistors */
LED_GREEN_PORT->PUPDR &= ~(0x00000c00);
/* turn all LEDs off */
LED_GREEN_PORT->BRR = 0x00c0;
} }