cpu_usbdev.h
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1 /*
2  * Copyright (C) 2016 Freie Universität Berlin
3  * 2017 OTA keys S.A.
4  *
5  * This file is subject to the terms and conditions of the GNU Lesser
6  * General Public License v2.1. See the file LICENSE in the top level
7  * directory for more details.
8  */
9 
10 #pragma once
11 
23 #include <stdint.h>
24 
25 #include "periph/cpu_gpio.h"
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
34 #define USBDEV_CPU_DMA_ALIGNMENT (4)
35 
39 #define USBDEV_CPU_DMA_REQUIREMENTS __attribute__((aligned(USBDEV_CPU_DMA_ALIGNMENT)))
40 
44 typedef struct {
45  uintptr_t base_addr;
46  uint32_t rcc_mask;
47  uint8_t irqn;
48  uint8_t apb;
49  gpio_t dm;
50  gpio_t dp;
52  gpio_t disconn;
54 
55 #ifdef __cplusplus
56 }
57 #endif
58 
GPIO CPU definitions for the STM32 family.
gpio_af_t
Override alternative GPIO mode options.
Definition: periph_cpu.h:165
stm32 USB device FS configuration
Definition: cpu_usbdev.h:44
gpio_t dm
Data- gpio.
Definition: cpu_usbdev.h:49
gpio_af_t af
Alternative function.
Definition: cpu_usbdev.h:51
gpio_t disconn
GPIO if used for USB disconnect.
Definition: cpu_usbdev.h:52
uint32_t rcc_mask
bit in clock enable register
Definition: cpu_usbdev.h:46
uintptr_t base_addr
USB peripheral base address.
Definition: cpu_usbdev.h:45
uint8_t irqn
IRQ channel.
Definition: cpu_usbdev.h:47
uint8_t apb
APB bus.
Definition: cpu_usbdev.h:48
gpio_t dp
Data+ gpio.
Definition: cpu_usbdev.h:50