RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

boards/nucleo-l1: unified LED defines

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
boards/nucleo-l1/board.c
View File

@ -19,9 +19,7 @@
*/
#include "board.h"
#include "cpu.h"
static void leds_init(void);
#include "periph/gpio.h"
void board_init(void)
{
@ -29,32 +27,5 @@ void board_init(void)
cpu_init();
/* initialize the boards LEDs */
leds_init();
}
/**
* @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;
gpio_init(LED0_PIN, GPIO_DIR_OUT, GPIO_NOPULL);
}