blob: f30ecfbcb02b9dbba3a4c7fb31bc634462a743e9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*---------------------------------------------------------------------------*\
FILE........: stm32f4_usb_vcp.c
AUTHOR......: xenovacivus
DATE CREATED: 3 Sep 2014
USB Virtual COM Port (VCP) module adapted from code I found here:
https://github.com/xenovacivus/STM32DiscoveryVCP
\*---------------------------------------------------------------------------*/
#include "stm32f4xx_conf.h"
#include "stm32f4xx.h"
#include "stm32f4xx_gpio.h"
#include "stm32f4xx_rcc.h"
#include "stm32f4xx_exti.h"
#include "usbd_cdc_core.h"
#include "usbd_usr.h"
#include "usbd_desc.h"
#include "usbd_cdc_vcp.h"
#include "usb_dcd_int.h"
#include "sm1000_leds_switches.h"
#include "stm32f4_usb_vcp.h"
/*
* The USB data must be 4 byte aligned if DMA is enabled. This macro handles
* the alignment, if necessary (it's actually magic, but don't tell anyone).
*/
__ALIGN_BEGIN USB_OTG_CORE_HANDLE USB_OTG_dev __ALIGN_END;
/*
* Define prototypes for interrupt handlers here. The conditional "extern"
* ensures the weak declarations from startup_stm32f4xx.c are overridden.
*/
#ifdef __cplusplus
extern "C" {
#endif
void NMI_Handler(void);
void HardFault_Handler(void);
void MemManage_Handler(void);
void BusFault_Handler(void);
void UsageFault_Handler(void);
void SVC_Handler(void);
void DebugMon_Handler(void);
void PendSV_Handler(void);
void OTG_FS_IRQHandler(void);
void OTG_FS_WKUP_IRQHandler(void);
#ifdef __cplusplus
}
#endif
void usb_vcp_init() {
/* Setup USB */
USBD_Init(&USB_OTG_dev,
USB_OTG_FS_CORE_ID,
&USR_desc,
&USBD_CDC_cb,
&USR_cb);
}
/*
* Interrupt Handlers
*/
void NMI_Handler(void) {}
void SVC_Handler(void) {}
void DebugMon_Handler(void) {}
void PendSV_Handler(void) {}
void OTG_FS_IRQHandler(void)
{
USBD_OTG_ISR_Handler (&USB_OTG_dev);
}
void OTG_FS_WKUP_IRQHandler(void)
{
if(USB_OTG_dev.cfg.low_power)
{
*(uint32_t *)(0xE000ED10) &= 0xFFFFFFF9 ;
SystemInit();
USB_OTG_UngateClock(&USB_OTG_dev);
}
EXTI_ClearITPendingBit(EXTI_Line18);
}
|
