+#define STM_SYSCFG_EXTICR_PA 0
+#define STM_SYSCFG_EXTICR_PB 1
+#define STM_SYSCFG_EXTICR_PC 2
+#define STM_SYSCFG_EXTICR_PD 3
+#define STM_SYSCFG_EXTICR_PE 4
+#define STM_SYSCFG_EXTICR_PF 5
+#define STM_SYSCFG_EXTICR_PG 6
+#define STM_SYSCFG_EXTICR_PH 7
+
+struct stm_syscfg {
+ vuint32_t memrmp;
+ vuint32_t pmc;
+ vuint32_t exticr[4];
+};
+
+extern struct stm_syscfg stm_syscfg;
+
+#define stm_syscfg (*((struct stm_syscfg *) 0x40013800))
+
+#define STM_SYSCFG_MEMRMP_MEM_MODE 0
+#define STM_SYSCFG_MEMRMP_MEM_MODE_MAIN_FLASH 0
+#define STM_SYSCFG_MEMRMP_MEM_MODE_SYSTEM_FLASH 1
+#define STM_SYSCFG_MEMRMP_MEM_MODE_SRAM 3
+#define STM_SYSCFG_MEMRMP_MEM_MODE_MASK 3
+
+#define STM_SYSCFG_PMC_ADC1DC2 0
+
+static inline void
+stm_exticr_set(struct stm_gpio *gpio, int pin) {
+ uint8_t reg = pin >> 2;
+ uint8_t shift = (pin & 3) << 2;
+ uint8_t val = 0;
+
+ /* Enable SYSCFG */
+ stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_SYSCFGEN);
+
+ if (gpio == &stm_gpioa)
+ val = STM_SYSCFG_EXTICR_PA;
+ else if (gpio == &stm_gpiob)
+ val = STM_SYSCFG_EXTICR_PB;
+ else if (gpio == &stm_gpioc)
+ val = STM_SYSCFG_EXTICR_PC;
+ else if (gpio == &stm_gpiod)
+ val = STM_SYSCFG_EXTICR_PD;
+ else if (gpio == &stm_gpioe)
+ val = STM_SYSCFG_EXTICR_PE;
+ else if (gpio == &stm_gpiof)
+ val = STM_SYSCFG_EXTICR_PF;
+ else if (gpio == &stm_gpiog)
+ val = STM_SYSCFG_EXTICR_PG;
+ else if (gpio == &stm_gpioh)
+ val = STM_SYSCFG_EXTICR_PH;
+
+ stm_syscfg.exticr[reg] = (stm_syscfg.exticr[reg] & ~(0xf << shift)) | val << shift;
+}
+
+struct stm_exti {
+ vuint32_t imr;
+ vuint32_t emr;
+ vuint32_t rtsr;
+ vuint32_t ftsr;
+
+ vuint32_t swier;
+ vuint32_t pr;
+};
+
+extern struct stm_exti stm_exti;
+
+#define stm_exti (*((struct stm_exti *) 0x40013c00))
+
+struct stm_usart {
+ vuint32_t sr; /* status register */
+ vuint32_t dr; /* data register */
+ vuint32_t brr; /* baud rate register */
+ vuint32_t cr1; /* control register 1 */
+
+ vuint32_t cr2; /* control register 2 */
+ vuint32_t cr3; /* control register 3 */
+ vuint32_t gtpr; /* guard time and prescaler */
+};
+
+extern struct stm_usart stm_usart6;
+
+#define stm_usart6 (*((struct stm_usart *) 0x40011400))
+
+#define STM_USART_SR_CTS (9) /* CTS flag */
+#define STM_USART_SR_LBD (8) /* LIN break detection flag */
+#define STM_USART_SR_TXE (7) /* Transmit data register empty */
+#define STM_USART_SR_TC (6) /* Transmission complete */
+#define STM_USART_SR_RXNE (5) /* Read data register not empty */
+#define STM_USART_SR_IDLE (4) /* IDLE line detected */
+#define STM_USART_SR_ORE (3) /* Overrun error */
+#define STM_USART_SR_NF (2) /* Noise detected flag */
+#define STM_USART_SR_FE (1) /* Framing error */
+#define STM_USART_SR_PE (0) /* Parity error */
+
+#define STM_USART_CR1_OVER8 (15) /* Oversampling mode */
+#define STM_USART_CR1_UE (13) /* USART enable */
+#define STM_USART_CR1_M (12) /* Word length */
+#define STM_USART_CR1_WAKE (11) /* Wakeup method */
+#define STM_USART_CR1_PCE (10) /* Parity control enable */
+#define STM_USART_CR1_PS (9) /* Parity selection */
+#define STM_USART_CR1_PEIE (8) /* PE interrupt enable */
+#define STM_USART_CR1_TXEIE (7) /* TXE interrupt enable */
+#define STM_USART_CR1_TCIE (6) /* Transmission complete interrupt enable */
+#define STM_USART_CR1_RXNEIE (5) /* RXNE interrupt enable */
+#define STM_USART_CR1_IDLEIE (4) /* IDLE interrupt enable */
+#define STM_USART_CR1_TE (3) /* Transmitter enable */
+#define STM_USART_CR1_RE (2) /* Receiver enable */
+#define STM_USART_CR1_RWU (1) /* Receiver wakeup */
+#define STM_USART_CR1_SBK (0) /* Send break */
+
+#define STM_USART_CR2_LINEN (14) /* LIN mode enable */
+#define STM_USART_CR2_STOP (12) /* STOP bits */
+#define STM_USART_CR2_STOP_MASK 3
+#define STM_USART_CR2_STOP_1 0
+#define STM_USART_CR2_STOP_0_5 1
+#define STM_USART_CR2_STOP_2 2
+#define STM_USART_CR2_STOP_1_5 3
+
+#define STM_USART_CR2_CLKEN (11) /* Clock enable */
+#define STM_USART_CR2_CPOL (10) /* Clock polarity */
+#define STM_USART_CR2_CPHA (9) /* Clock phase */
+#define STM_USART_CR2_LBCL (8) /* Last bit clock pulse */
+#define STM_USART_CR2_LBDIE (6) /* LIN break detection interrupt enable */
+#define STM_USART_CR2_LBDL (5) /* lin break detection length */
+#define STM_USART_CR2_ADD (0)
+#define STM_USART_CR2_ADD_MASK 0xf
+
+#define STM_USART_CR3_ONEBIT (11) /* One sample bit method enable */
+#define STM_USART_CR3_CTSIE (10) /* CTS interrupt enable */
+#define STM_USART_CR3_CTSE (9) /* CTS enable */
+#define STM_USART_CR3_RTSE (8) /* RTS enable */
+#define STM_USART_CR3_DMAT (7) /* DMA enable transmitter */
+#define STM_USART_CR3_DMAR (6) /* DMA enable receiver */
+#define STM_USART_CR3_SCEN (5) /* Smartcard mode enable */
+#define STM_USART_CR3_NACK (4) /* Smartcard NACK enable */
+#define STM_USART_CR3_HDSEL (3) /* Half-duplex selection */
+#define STM_USART_CR3_IRLP (2) /* IrDA low-power */
+#define STM_USART_CR3_IREN (1) /* IrDA mode enable */
+#define STM_USART_CR3_EIE (0) /* Error interrupt enable */
+
+/* USB */
+struct stm_usb {
+ vuint32_t gotgctl;
+ vuint32_t gotgint;
+ vuint32_t gahbcfg;
+ vuint32_t gusbcfg;
+
+ vuint32_t grstctl;
+ vuint32_t gintsts;
+ vuint32_t gintmsk;
+ vuint32_t grxstsr;
+
+ vuint32_t grxstsp;
+ vuint32_t grxfsiz;
+ vuint32_t dieptxf0;
+ vuint32_t hnptxsts;
+
+ vuint32_t pad_30;
+ vuint32_t pad_34;
+ vuint32_t gccfg;
+ vuint32_t cid;
+
+ vuint32_t pad_40;
+ vuint32_t pad_44;
+ vuint32_t pad_48;
+ vuint32_t ghwcfg3; /* not in docs? */
+
+ vuint32_t pad_50;
+ vuint32_t glpmcfg;
+ vuint32_t pad_58;
+ vuint32_t gdfifocfg; /* not in docs? */
+
+ uint8_t pad_60[0x100 - 0x60];
+
+ vuint32_t hptxfsiz; /* 0x100 */
+ vuint32_t dieptxf[0xf]; /* 0x104 5 in docs? */
+
+ uint8_t pad_140[0x400 - 0x140];
+
+ vuint32_t hcfg;
+ vuint32_t hfir;
+ vuint32_t hfnum;
+ vuint32_t pad_40c;
+
+ vuint32_t hptxsts;
+ vuint32_t haint;
+ vuint32_t haintmsk;
+ vuint32_t pad_41c;
+
+ uint8_t pad_420[0x440-0x420];
+
+ vuint32_t hprt;
+
+ uint8_t pad_444[0x500 - 0x444];
+
+ vuint32_t hcchar0;
+ vuint32_t pad_504;
+ vuint32_t hcint0;
+ vuint32_t hcintmsk0;
+
+ vuint32_t hctsiz0;
+ vuint32_t pad_514;
+ vuint32_t pad_518;
+ vuint32_t pad_51c;
+
+ struct {
+ vuint32_t hcchar;
+ vuint32_t pad_4;
+ vuint32_t hcint;
+ vuint32_t hcintmsk;
+
+ vuint32_t hctsiz;
+ vuint32_t pad_14;
+ vuint32_t pad_18;
+ vuint32_t pad_1c;
+ } h[11];
+
+ uint8_t pad_680[0x800 - 0x680];
+
+ vuint32_t dcfg;
+ vuint32_t dctl;
+ vuint32_t dsts;
+ vuint32_t pad_80c;
+
+ vuint32_t diepmsk;
+ vuint32_t doepmsk;
+ vuint32_t daint;
+ vuint32_t daintmsk;
+
+ vuint32_t pad_820;
+ vuint32_t pad_824;
+ vuint32_t dvbusdis;
+ vuint32_t dvbuspulse;
+
+ vuint32_t pad_830;
+ vuint32_t diepempmsk;
+
+ uint8_t pad_838[0x900 - 0x838];
+
+ struct {
+ vuint32_t diepctl;
+ vuint32_t pad_04;
+ vuint32_t diepint;
+ vuint32_t pad_0c;
+
+ vuint32_t dieptsiz;
+ vuint32_t pad_14;
+ vuint32_t dtxfsts;
+ vuint32_t pad_1c;
+ } diep[6];
+
+ uint8_t pad_9c0[0xb00 - 0x9c0];
+
+ struct {
+ vuint32_t doepctl;
+ vuint32_t pad_04;
+ vuint32_t doepint;
+ vuint32_t pad_0c;
+
+ vuint32_t doeptsiz;
+ vuint32_t pad_14;
+ vuint32_t pad_18;
+ vuint32_t pad_1c;
+ } doep[6];
+
+ uint8_t pad_bc0[0xe00 - 0xbc0];
+
+ vuint32_t pcgcctl;
+
+ uint8_t pad_e04[0x1000 - 0xe04];
+
+ struct {
+ vuint32_t fifo;
+ uint8_t pad_004[0x1000 - 0x004];
+ } dfifo[6];
+};
+
+extern struct stm_usb stm_usb;
+
+#define stm_usb (*((struct stm_usb *) 0x50000000))
+
+#define STM_USB_GOTGCTL_CURMOD 21
+#define STM_USB_GOTGCTL_OTGVER 20
+#define STM_USB_GOTGCTL_BSVLD 19
+#define STM_USB_GOTGCTL_ASVLD 18
+#define STM_USB_GOTGCTL_DBCT 17
+#define STM_USB_GOTGCTL_CIDSTS 16
+#define STM_USB_GOTGCTL_EHEN 12
+#define STM_USB_GOTGCTL_DHNPEN 11
+#define STM_USB_GOTGCTL_HSHNPEN 10
+#define STM_USB_GOTGCTL_HNPRQ 9
+#define STM_USB_GOTGCTL_HNGSCS 8
+#define STM_USB_GOTGCTL_BVALOVAL 7
+#define STM_USB_GOTGCTL_BVALOEN 6
+#define STM_USB_GOTGCTL_AVALOVAL 5
+#define STM_USB_GOTGCTL_AVALOEN 4
+#define STM_USB_GOTGCTL_VBVALOVAL 3
+#define STM_USB_GOTGCTL_VBVALOEN 2
+#define STM_USB_GOTGCTL_SRQ 1
+#define STM_USB_GOTGCTL_SRQSCS 0
+
+#define STM_USB_GOTGINT_IDCHNG 20
+#define STM_USB_GOTGINT_DBCDNE 19
+#define STM_USB_GOTGINT_ADTOCHG 18
+#define STM_USB_GOTGINT_HNGDET 17
+#define STM_USB_GOTGINT_HNSSCHG 9
+#define STM_USB_GOTGINT_SRSSCHG 8
+#define STM_USB_GOTGINT_SEDET 2
+
+#define STM_USB_GAHBCFG_PTXFELVL 8
+#define STM_USB_GAHBCFG_TXFELVL 7
+#define STM_USB_GAHBCFG_GINTMSK 0
+
+#define STM_USB_GUSBCFG_FDMOD 30
+#define STM_USB_GUSBCFG_FHMOD 29
+#define STM_USB_GUSBCFG_TRDT 10
+#define STM_USB_GUSBCFG_TRDT_MASK 0xf
+#define STM_USB_GUSBCFG_HNPCAP 9
+#define STM_USB_GUSBCFG_SRPCAP 8
+#define STM_USB_GUSBCFG_PHYSEL 6
+#define STM_USB_GUSBCFG_TOCAL 0
+#define STM_USB_GUSBCFG_TOCAL_MASK 0x7
+
+#define STM_USB_GRSTCTL_AHBIDL 31
+#define STM_USB_GRSTCTL_TXFNUM 6
+#define STM_USB_GRSTCTL_TXFNUM_ALL 0x10
+#define STM_USB_GRSTCTL_TXFNUM_MASK 0x1f
+#define STM_USB_GRSTCTL_TXFFLSH 5
+#define STM_USB_GRSTCTL_RXFFLSH 4
+#define STM_USB_GRSTCTL_FCRST 2
+#define STM_USB_GRSTCTL_PSRST 1
+#define STM_USB_GRSTCTL_CSRST 0
+
+#define STM_USB_GINTSTS_WKUPINT 31
+#define STM_USB_GINTSTS_SRQINT 30
+#define STM_USB_GINTSTS_DISCINT 29
+#define STM_USB_GINTSTS_CIDSCHG 28
+#define STM_USB_GINTSTS_LPMINT 27
+#define STM_USB_GINTSTS_PTXFE 26
+#define STM_USB_GINTSTS_HCINT 25
+#define STM_USB_GINTSTS_HPRTINT 24
+#define STM_USB_GINTSTS_RSTDET 23
+#define STM_USB_GINTSTS_IPXFER 21
+#define STM_USB_GINTSTS_IISOIXFR 20
+#define STM_USB_GINTSTS_OEPINT 19
+#define STM_USB_GINTSTS_IEPINT 18
+#define STM_USB_GINTSTS_EOPF 15
+#define STM_USB_GINTSTS_ISOODRP 14
+#define STM_USB_GINTSTS_ENUMDNE 13
+#define STM_USB_GINTSTS_USBRST 12
+#define STM_USB_GINTSTS_USBSUSP 11
+#define STM_USB_GINTSTS_ESUSP 10
+#define STM_USB_GINTSTS_GONAKEFF 7
+#define STM_USB_GINTSTS_GINAKEFF 6
+#define STM_USB_GINTSTS_NPTXFE 5
+#define STM_USB_GINTSTS_RXFLVL 4
+#define STM_USB_GINTSTS_SOF 3
+#define STM_USB_GINTSTS_OTGINT 2
+#define STM_USB_GINTSTS_MMIS 1
+#define STM_USB_GINTSTS_CMOD 0
+
+#define STM_USB_GINTMSK_WUIM 31
+#define STM_USB_GINTMSK_SRQIM 30
+#define STM_USB_GINTMSK_DISCINT 29
+#define STM_USB_GINTMSK_CIDSCHGM 28
+#define STM_USB_GINTMSK_LPMINTM 27
+#define STM_USB_GINTMSK_PTXFEM 26
+#define STM_USB_GINTMSK_HCIM 25
+#define STM_USB_GINTMSK_PRTIM 24
+#define STM_USB_GINTMSK_RSTDETM 23
+#define STM_USB_GINTMSK_IPXFERM 21 /* host mode */
+#define STM_USB_GINTMSK_IISOOXFRM 21 /* device mode */
+#define STM_USB_GINTMSK_IISOIXFRM 20
+#define STM_USB_GINTMSK_OEPINT 19
+#define STM_USB_GINTMSK_IEPINT 18
+#define STM_USB_GINTMSK_EOPFM 15
+#define STM_USB_GINTMSK_ISOODRPM 14
+#define STM_USB_GINTMSK_ENUMDNEM 13
+#define STM_USB_GINTMSK_USBRST 12
+#define STM_USB_GINTMSK_USBSUSPM 11
+#define STM_USB_GINTMSK_ESUSPM 10
+#define STM_USB_GINTMSK_GONAKEFFM 7
+#define STM_USB_GINTMSK_GINAKEFFM 6
+#define STM_USB_GINTMSK_NPTXFEM 5
+#define STM_USB_GINTMSK_RXFLVLM 4
+#define STM_USB_GINTMSK_SOFM 3
+#define STM_USB_GINTMSK_OTGINT 2
+#define STM_USB_GINTMSK_MMISM 1
+
+#define STM_USB_GRXSTSP_STSPHST 27
+#define STM_USB_GRXSTSP_FRMNUM 21
+#define STM_USB_GRXSTSP_FRMNUM_MASK 0xf
+#define STM_USB_GRXSTSP_PKTSTS 17
+#define STM_USB_GRXSTSP_PKTSTS_NAK 1
+#define STM_USB_GRXSTSP_PKTSTS_OUT_DATA 2
+#define STM_USB_GRXSTSP_PKTSTS_OUT_COMPLETE 3
+#define STM_USB_GRXSTSP_PKTSTS_SETUP_COMPLETE 4
+#define STM_USB_GRXSTSP_PKTSTS_SETUP_DATA 5
+#define STM_USB_GRXSTSP_PKTSTS_MASK 0xf
+#define STM_USB_GRXSTSP_DPID 15
+#define STM_USB_GRXSTSP_DPID_MASK 3
+#define STM_USB_GRXSTSP_BCNT 4
+#define STM_USB_GRXSTSP_BCNT 4
+#define STM_USB_GRXSTSP_BCNT_MASK 0x3ff
+#define STM_USB_GRXSTSP_EPNUM 0
+#define STM_USB_GRXSTSP_EPNUM_MASK 0xf
+
+#define STM_USB_GRXFSIZ_RXFD 0
+#define STM_USB_GRXFSIZ_RXFD_MASK 0xffff
+
+#define STM_USB_GCCFG_VBDEN 21
+#define STM_USB_GCCFG_SDEN 20
+#define STM_USB_GCCFG_PDEN 19
+#define STM_USB_GCCFG_DCDEN 18
+#define STM_USB_GCCFG_BCDEN 17
+#define STM_USB_GCCFG_PWRDWN 16
+#define STM_USB_GCCFG_PS2DET 3
+#define STM_USB_GCCFG_SDET 2
+#define STM_USB_GCCFG_PDET 1
+#define STM_USB_GCCFG_DCDET 0
+
+#define STM_USB_DIEPTXF0_TX0FD 16
+#define STM_USB_DIEPTXF0_TX0FSA 0
+
+#define STM_USB_DCFG_ERRATIM 15
+#define STM_USB_DCFG_PFIVL 11
+#define STM_USB_DCFG_PFIVL_80 0
+#define STM_USB_DCFG_PFIVL_85 1
+#define STM_USB_DCFG_PFIVL_90 2
+#define STM_USB_DCFG_PFIVL_95 3
+#define STM_USB_DCFG_PFIVL_MASK 3
+#define STM_USB_DCFG_DAD 4
+#define STM_USB_DCFG_DAD_MASK 0x7f
+#define STM_USB_DCFG_NZLSOHSK 2
+#define STM_USB_DCFG_DSPD 0
+#define STM_USB_DCFG_DSPD_FULL_SPEED 3
+#define STM_USB_DCFG_DSPD_MASK 3
+#define STM_USB_DCFG_
+#define STM_USB_DCFG_
+#define STM_USB_DCFG_
+#define STM_USB_DCFG_
+#define STM_USB_DCFG_
+#define STM_USB_DCFG_
+#define STM_USB_DCFG_
+
+#define STM_USB_DCTL_DSBESLRJCT 18
+#define STM_USB_DCTL_POPRGDNE 11
+#define STM_USB_DCTL_CGONAK 10
+#define STM_USB_DCTL_SGONAK 9
+#define STM_USB_DCTL_CGINAK 8
+#define STM_USB_DCTL_SGINAK 7
+#define STM_USB_DCTL_TCTL 4
+#define STM_USB_DCTL_GONSTS 3
+#define STM_USB_DCTL_GINSTS 2
+#define STM_USB_DCTL_SDIS 1
+#define STM_USB_DCTL_RWUSIG 0
+
+#define STM_USB_DSTS_DEVLNSTS 22
+#define STM_USB_DSTS_DEVLNSTS_MASK 0x3
+#define STM_USB_DSTS_FNSOF 8
+#define STM_USB_DSTS_FNSOF_MASK 0x3fff
+#define STM_USB_DSTS_EERR 3
+#define STM_USB_DSTS_ENUMSPD 1
+#define STM_USB_DSTS_ENUMSPD_MASK 3
+#define STM_USB_DSTS_SUSPSTS 0
+
+#define STM_USB_DIEPMSK_NAKM 13
+#define STM_USB_DIEPMSK_TXFURM 8
+#define STM_USB_DIEPMSK_INEPNEM 6
+#define STM_USB_DIEPMSK_INEPNMM 5
+#define STM_USB_DIEPMSK_ITTXFEMSK 4
+#define STM_USB_DIEPMSK_TOM 3
+#define STM_USB_DIEPMSK_EPDM 1
+#define STM_USB_DIEPMSK_XFRCM 0
+
+#define STM_USB_DOEPMSK_NYETMSK 14
+#define STM_USB_DOEPMSK_NAKMSK 13
+#define STM_USB_DOEPMSK_BERRM 12
+#define STM_USB_DOEPMSK_OUTPKTERRM 8
+#define STM_USB_DOEPMSK_STSPHSRXM 5
+#define STM_USB_DOEPMSK_OTEPDM 4
+#define STM_USB_DOEPMSK_STUPM 3
+#define STM_USB_DOEPMSK_EPDM 1
+#define STM_USB_DOEPMSK_XFRCM 0
+
+#define STM_USB_DAINT_OEPINT 16
+#define STM_USB_DAINT_OEPINT_MASK 0xffff
+#define STM_USB_DAINT_IEPINT 16
+#define STM_USB_DAINT_IEPINT_MASK 0xffff
+
+#define STM_USB_DAINTMSK_OEPM 16
+#define STM_USB_DAINTMSK_OEPM_MASK 0xffff
+#define STM_USB_DAINTMSK_IEPM 0
+#define STM_USB_DAINTMSK_IEPM_MASK 0xffff
+
+#define STM_USB_DIEPCTL_EPENA 31
+#define STM_USB_DIEPCTL_EPDIS 30
+#define STM_USB_DIEPCTL_SNAK 27
+#define STM_USB_DIEPCTL_CNAK 26
+#define STM_USB_DIEPCTL_TXFNUM 22
+#define STM_USB_DIEPCTL_TXFNUM_MASK 0xf
+#define STM_USB_DIEPCTL_STALL 21
+#define STM_USB_DIEPCTL_EPTYP 18
+#define STM_USB_DIEPCTL_EPTYP_CONTROL 0
+#define STM_USB_DIEPCTL_EPTYP_ISOCHRONOUS 1
+#define STM_USB_DIEPCTL_EPTYP_BULK 2
+#define STM_USB_DIEPCTL_EPTYP_INTERRUPT 3
+#define STM_USB_DIEPCTL_EPTYP_MASK 3
+#define STM_USB_DIEPCTL_NAKSTS 17
+#define STM_USB_DIEPCTL_EONUM 16
+#define STM_USB_DIEPCTL_USBAEP 15
+#define STM_USB_DIEPCTL_MPSIZ 0
+#define STM_USB_DIEPCTL_MPSIZ0_64 0
+#define STM_USB_DIEPCTL_MPSIZ0_32 1
+#define STM_USB_DIEPCTL_MPSIZ0_16 2
+#define STM_USB_DIEPCTL_MPSIZ0_8 3
+#define STM_USB_DIEPCTL_MPSIZ0_MASK 3
+#define STM_USB_DIEPCTL_MPSIZ_MASK 0x7f
+
+#define STM_USB_DIEPINT_NAK 13
+#define STM_USB_DIEPINT_PKTDRPSTS 11
+#define STM_USB_DIEPINT_TXFIFOUDRN 8
+#define STM_USB_DIEPINT_TXFE 7
+#define STM_USB_DIEPINT_INEPNE 6
+#define STM_USB_DIEPINT_INEPNM 5
+#define STM_USB_DIEPINT_ITTXFE 4
+#define STM_USB_DIEPINT_TOC 3
+#define STM_USB_DIEPINT_EPDISD 1
+#define STM_USB_DIEPINT_XFRC 0
+
+#define STM_USB_DIEPTSIZ_MCNT 29
+#define STM_USB_DIEPTSIZ_MCNT_MASK 3
+#define STM_USB_DIEPTSIZ_PKTCNT 19
+#define STM_USB_DIEPTSIZ_PKTCNT0_MASK 3
+#define STM_USB_DIEPTSIZ_PKTCNT_MASK 0x3ff
+#define STM_USB_DIEPTSIZ_XFRSIZ 0
+#define STM_USB_DIEPTSIZ_XFRSIZ0_MASK 0x7f
+#define STM_USB_DIEPTSIZ_XFRSIZ_MASK 0x7ffff
+
+#define STM_USB_DOEPCTL_EPENA 31
+#define STM_USB_DOEPCTL_EPDIS 30
+#define STM_USB_DOEPCTL_SNAK 27
+#define STM_USB_DOEPCTL_CNAK 26
+#define STM_USB_DOEPCTL_STALL 21
+#define STM_USB_DOEPCTL_SNPM 20
+#define STM_USB_DOEPCTL_EPTYP 18
+#define STM_USB_DOEPCTL_EPTYP_CONTROL 0
+#define STM_USB_DOEPCTL_EPTYP_ISOCHRONOUS 1
+#define STM_USB_DOEPCTL_EPTYP_BULK 2
+#define STM_USB_DOEPCTL_EPTYP_INTERRUPT 3
+#define STM_USB_DOEPCTL_EPTYP_MASK 3
+#define STM_USB_DOEPCTL_NAKSTS 17
+#define STM_USB_DOEPCTL_USBAEP 15
+#define STM_USB_DOEPCTL_MPSIZ 0
+#define STM_USB_DOEPCTL_MPSIZ0_64 0
+#define STM_USB_DOEPCTL_MPSIZ0_32 1
+#define STM_USB_DOEPCTL_MPSIZ0_16 2
+#define STM_USB_DOEPCTL_MPSIZ0_8 3
+#define STM_USB_DOEPCTL_MPSIZ0_MASK 3
+
+#define STM_USB_DOEPINT_NAK 13
+#define STM_USB_DOEPINT_BERR 12
+#define STM_USB_DOEPINT_OUTPKTERR 8
+#define STM_USB_DOEPINT_STSPHSRX 5
+#define STM_USB_DOEPINT_OTEPDIS 4
+#define STM_USB_DOEPINT_STUP 3
+#define STM_USB_DOEPINT_EPDISD 1
+#define STM_USB_DOEPINT_XFRC 0
+
+#define STM_USB_DOEPTSIZ_STUPCNT 29
+#define STM_USB_DOEPTSIZ_STUPCNT_MASK 3
+#define STM_USB_DOEPTSIZ_PKTCNT 19
+#define STM_USB_DOEPTSIZ_XFRSIZ 0
+#define STM_USB_DOEPTSIZ_XFRSIZ_MASK 0x7f
+