zephyr/boards/arm/stm32f411e_disco/pinmux.c
Pauli Salmenrinne ca6eee5444 boards: stm32f411e_disco: Add pwm to drive green led
This enables the fade_led example to work with this board.

Signed-off-by: Pauli Salmenrinne <susundberg@gmail.com>
2019-12-18 14:48:06 -06:00

37 lines
850 B
C

/*
* Copyright (c) 2017 Fenix Engineering Solutions
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <device.h>
#include <init.h>
#include <drivers/pinmux.h>
#include <sys/sys_io.h>
#include <pinmux/stm32/pinmux_stm32.h>
/* pin assignments for STM32F411E-DISCO board */
static const struct pin_config pinconf[] = {
#ifdef CONFIG_UART_2
{STM32_PIN_PA2, STM32F4_PINMUX_FUNC_PA2_USART2_TX},
{STM32_PIN_PA3, STM32F4_PINMUX_FUNC_PA3_USART2_RX},
#endif /* CONFIG_UART_2 */
#ifdef CONFIG_PWM_STM32_4
{STM32_PIN_PD12, STM32F4_PINMUX_FUNC_PD12_PWM4_CH1 },
#endif /* CONFIG_PWM_STM32_4 */
};
static int pinmux_stm32_init(struct device *port)
{
ARG_UNUSED(port);
stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
return 0;
}
SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);