summaryrefslogtreecommitdiff
path: root/hal/usb.h
blob: 8376727aa029da66b702c9774d576ef32b7fadeb (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
#ifndef USB_H
#define USB_H

#include <stdint.h>

struct USB_reg_t {
	volatile uint32_t GOTGCTL;
	volatile uint32_t GOTGINT;
	volatile uint32_t GAHBCFG;
	volatile uint32_t GUSBCFG;
	volatile uint32_t GRSTCTL;
	volatile uint32_t GINTSTS;
	volatile uint32_t GINTMSK;
	volatile uint32_t GRXSTSR;
	volatile uint32_t GRXSTSP;
	volatile uint32_t GRXFSIZ;
	volatile uint32_t DIEPTXF0;
	volatile uint32_t HNPTXSTS;
	uint32_t _reserved[2];
	volatile uint32_t GCCFG;
	volatile uint32_t CID;
	uint32_t _reserved1[48];
	volatile uint32_t HPTXFSIZ;
	volatile uint32_t DIEPTXF1;
	volatile uint32_t DIEPTXF2;
	volatile uint32_t DIEPTXF3;
};

struct USB_dev_reg_t {
	volatile uint32_t DCFG;
	volatile uint32_t DCTL;
	volatile uint32_t DSTS;
	uint32_t _reserved;
	volatile uint32_t DIEPMSK;
	volatile uint32_t DOEPMSK;
	volatile uint32_t DAINT;
	volatile uint32_t DAINTMSK;
	uint32_t _reserved1[2];
	volatile uint32_t DVBUSDIS;
	volatile uint32_t DVBUSPULSE;
	uint32_t _reserved2;
	volatile uint32_t DIEPEMPMSK;
};

struct USB_dev_iep_reg_t {
	volatile uint32_t DIEPCTL;
	uint32_t _reserved;
	volatile uint32_t DIEPINT;
	uint32_t _reserved1;
	volatile uint32_t DIEPTSIZ;
	uint32_t _reserved2;
	volatile uint32_t DTXFSTS;
	uint32_t _reserved3;
};

struct USB_dev_oep_reg_t {
	volatile uint32_t DOEPCTL;
	uint32_t _reserved;
	volatile uint32_t DOEPINT;
	uint32_t _reserved1;
	volatile uint32_t DOEPTSIZ;
	uint32_t _reserved2[3];
};

class USB_t {
	public:
		USB_reg_t& reg;
		USB_dev_reg_t& dev_reg;
		USB_dev_iep_reg_t* const dev_iep_reg;
		USB_dev_oep_reg_t* const dev_oep_reg;
		volatile uint32_t& fifo;
		
		USB_t(uint32_t reg_addr) :
			reg(*(USB_reg_t*)reg_addr),
			dev_reg(*(USB_dev_reg_t*)(reg_addr + 0x800)),
			dev_iep_reg((USB_dev_iep_reg_t*)(reg_addr + 0x900)),
			dev_oep_reg((USB_dev_oep_reg_t*)(reg_addr + 0xb00)),
			fifo(*(volatile uint32_t*)(reg_addr + 0x1000)) {}
};

#if defined(STM32F1)

#elif defined(STM32F4)
static USB_t OTG_FS(0x50000000);
static USB_t OTG_HS(0x40040000);
#endif

#endif