diff options
Diffstat (limited to 'usb')
| -rw-r--r-- | usb/usb.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/usb/usb.h b/usb/usb.h new file mode 100644 index 0000000..c8c550f --- /dev/null +++ b/usb/usb.h @@ -0,0 +1,93 @@ +#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]; +}; + +union USB_fifo_reg_t { + volatile uint32_t reg; + volatile uint32_t buf[1024]; +}; + +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; + USB_fifo_reg_t* const 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((USB_fifo_reg_t*)(reg_addr + 0x1000)) {} +}; + +#if defined(STM32F1) + +#elif defined(STM32F4) +static USB_t OTG_FS(0x50000000); +static USB_t OTG_HS(0x40040000); +#endif + +#endif |