--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _STM32L0_H_
+#define _STM32L0_H_
+
+#include <stdint.h>
+
+typedef volatile uint32_t vuint32_t;
+typedef volatile void * vvoid_t;
+
+struct stm_gpio {
+ vuint32_t moder;
+ vuint32_t otyper;
+ vuint32_t ospeedr;
+ vuint32_t pupdr;
+
+ vuint32_t idr;
+ vuint32_t odr;
+ vuint32_t bsrr;
+ vuint32_t lckr;
+
+ vuint32_t afrl;
+ vuint32_t afrh;
+ vuint32_t brr;
+};
+
+#define STM_MODER_SHIFT(pin) ((pin) << 1)
+#define STM_MODER_MASK 3
+#define STM_MODER_INPUT 0
+#define STM_MODER_OUTPUT 1
+#define STM_MODER_ALTERNATE 2
+#define STM_MODER_ANALOG 3
+
+static inline void
+stm_moder_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
+ gpio->moder = ((gpio->moder &
+ ~(STM_MODER_MASK << STM_MODER_SHIFT(pin))) |
+ value << STM_MODER_SHIFT(pin));
+}
+
+static inline uint32_t
+stm_spread_mask(uint16_t mask) {
+ uint32_t m = mask;
+
+ /* 0000000000000000mmmmmmmmmmmmmmmm */
+ m = (m & 0xff) | ((m & 0xff00) << 8);
+ /* 00000000mmmmmmmm00000000mmmmmmmm */
+ m = (m & 0x000f000f) | ((m & 0x00f000f0) << 4);
+ /* 0000mmmm0000mmmm0000mmmm0000mmmm */
+ m = (m & 0x03030303) | ((m & 0x0c0c0c0c) << 2);
+ /* 00mm00mm00mm00mm00mm00mm00mm00mm */
+ m = (m & 0x11111111) | ((m & 0x22222222) << 2);
+ /* 0m0m0m0m0m0m0m0m0m0m0m0m0m0m0m0m */
+ return m;
+}
+
+static inline void
+stm_moder_set_mask(struct stm_gpio *gpio, uint16_t mask, uint32_t value) {
+ uint32_t bits32 = stm_spread_mask(mask);
+ uint32_t mask32 = 3 * bits32;
+ uint32_t value32 = (value & 3) * bits32;
+
+ gpio->moder = ((gpio->moder & ~mask32) | value32);
+}
+
+static inline uint32_t
+stm_moder_get(struct stm_gpio *gpio, int pin) {
+ return (gpio->moder >> STM_MODER_SHIFT(pin)) & STM_MODER_MASK;
+}
+
+#define STM_OTYPER_SHIFT(pin) (pin)
+#define STM_OTYPER_MASK 1
+#define STM_OTYPER_PUSH_PULL 0
+#define STM_OTYPER_OPEN_DRAIN 1
+
+static inline void
+stm_otyper_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
+ gpio->otyper = ((gpio->otyper &
+ ~(STM_OTYPER_MASK << STM_OTYPER_SHIFT(pin))) |
+ value << STM_OTYPER_SHIFT(pin));
+}
+
+static inline uint32_t
+stm_otyper_get(struct stm_gpio *gpio, int pin) {
+ return (gpio->otyper >> STM_OTYPER_SHIFT(pin)) & STM_OTYPER_MASK;
+}
+
+#define STM_OSPEEDR_SHIFT(pin) ((pin) << 1)
+#define STM_OSPEEDR_MASK 3
+#define STM_OSPEEDR_LOW 0
+#define STM_OSPEEDR_MEDIUM 1
+#define STM_OSPEEDR_HIGH 2
+#define STM_OSPEEDR_VERY_HIGH 3
+
+static inline void
+stm_ospeedr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
+ gpio->ospeedr = ((gpio->ospeedr &
+ ~(STM_OSPEEDR_MASK << STM_OSPEEDR_SHIFT(pin))) |
+ value << STM_OSPEEDR_SHIFT(pin));
+}
+
+static inline void
+stm_ospeedr_set_mask(struct stm_gpio *gpio, uint16_t mask, uint32_t value) {
+ uint32_t bits32 = stm_spread_mask(mask);
+ uint32_t mask32 = 3 * bits32;
+ uint32_t value32 = (value & 3) * bits32;
+
+ gpio->ospeedr = ((gpio->ospeedr & ~mask32) | value32);
+}
+
+static inline uint32_t
+stm_ospeedr_get(struct stm_gpio *gpio, int pin) {
+ return (gpio->ospeedr >> STM_OSPEEDR_SHIFT(pin)) & STM_OSPEEDR_MASK;
+}
+
+#define STM_PUPDR_SHIFT(pin) ((pin) << 1)
+#define STM_PUPDR_MASK 3
+#define STM_PUPDR_NONE 0
+#define STM_PUPDR_PULL_UP 1
+#define STM_PUPDR_PULL_DOWN 2
+#define STM_PUPDR_RESERVED 3
+
+static inline void
+stm_pupdr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
+ gpio->pupdr = ((gpio->pupdr &
+ ~(STM_PUPDR_MASK << STM_PUPDR_SHIFT(pin))) |
+ value << STM_PUPDR_SHIFT(pin));
+}
+
+static inline void
+stm_pupdr_set_mask(struct stm_gpio *gpio, uint16_t mask, uint32_t value) {
+ uint32_t bits32 = stm_spread_mask(mask);
+ uint32_t mask32 = 3 * bits32;
+ uint32_t value32 = (value & 3) * bits32;
+
+ gpio->pupdr = (gpio->pupdr & ~mask32) | value32;
+}
+
+static inline uint32_t
+stm_pupdr_get(struct stm_gpio *gpio, int pin) {
+ return (gpio->pupdr >> STM_PUPDR_SHIFT(pin)) & STM_PUPDR_MASK;
+}
+
+#define STM_AFR_SHIFT(pin) ((pin) << 2)
+#define STM_AFR_MASK 0xf
+#define STM_AFR_NONE 0
+#define STM_AFR_AF0 0x0
+#define STM_AFR_AF1 0x1
+#define STM_AFR_AF2 0x2
+#define STM_AFR_AF3 0x3
+#define STM_AFR_AF4 0x4
+#define STM_AFR_AF5 0x5
+#define STM_AFR_AF6 0x6
+#define STM_AFR_AF7 0x7
+#define STM_AFR_AF8 0x8
+#define STM_AFR_AF9 0x9
+#define STM_AFR_AF10 0xa
+#define STM_AFR_AF11 0xb
+#define STM_AFR_AF12 0xc
+#define STM_AFR_AF13 0xd
+#define STM_AFR_AF14 0xe
+#define STM_AFR_AF15 0xf
+
+static inline void
+stm_afr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
+ /*
+ * Set alternate pin mode too
+ */
+ stm_moder_set(gpio, pin, STM_MODER_ALTERNATE);
+ if (pin < 8)
+ gpio->afrl = ((gpio->afrl &
+ ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
+ value << STM_AFR_SHIFT(pin));
+ else {
+ pin -= 8;
+ gpio->afrh = ((gpio->afrh &
+ ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
+ value << STM_AFR_SHIFT(pin));
+ }
+}
+
+static inline uint32_t
+stm_afr_get(struct stm_gpio *gpio, int pin) {
+ if (pin < 8)
+ return (gpio->afrl >> STM_AFR_SHIFT(pin)) & STM_AFR_MASK;
+ else {
+ pin -= 8;
+ return (gpio->afrh >> STM_AFR_SHIFT(pin)) & STM_AFR_MASK;
+ }
+}
+
+static inline void
+stm_gpio_set(struct stm_gpio *gpio, int pin, uint8_t value) {
+ /* Use the bit set/reset register to do this atomically */
+ gpio->bsrr = value ? (1 << pin) : (1 << (pin + 16));
+}
+
+static inline void
+stm_gpio_set_mask(struct stm_gpio *gpio, uint16_t bits, uint16_t mask) {
+ /* Use the bit set/reset register to do this atomically */
+ gpio->bsrr = ((uint32_t) (~bits & mask) << 16) | ((uint32_t) (bits & mask));
+}
+
+static inline void
+stm_gpio_set_bits(struct stm_gpio *gpio, uint16_t bits) {
+ gpio->bsrr = bits;
+}
+
+static inline void
+stm_gpio_clr_bits(struct stm_gpio *gpio, uint16_t bits) {
+ gpio->bsrr = ((uint32_t) bits) << 16;
+}
+
+static inline uint8_t
+stm_gpio_get(struct stm_gpio *gpio, int pin) {
+ return (gpio->idr >> pin) & 1;
+}
+
+static inline uint16_t
+stm_gpio_get_all(struct stm_gpio *gpio) {
+ return gpio->idr;
+}
+
+/*
+ * We can't define these in registers.ld or our fancy
+ * ao_enable_gpio macro will expand into a huge pile of code
+ * as the compiler won't do correct constant folding and
+ * dead-code elimination
+ */
+
+extern struct stm_gpio stm_gpioa;
+extern struct stm_gpio stm_gpiob;
+extern struct stm_gpio stm_gpioc;
+extern struct stm_gpio stm_gpiod;
+extern struct stm_gpio stm_gpioe;
+extern struct stm_gpio stm_gpioh;
+
+#define stm_gpiob (*((struct stm_gpio *) 0x50000400))
+#define stm_gpioa (*((struct stm_gpio *) 0x50000000))
+
+struct stm_usart {
+ vuint32_t cr1; /* control register 1 */
+ vuint32_t cr2; /* control register 2 */
+ vuint32_t cr3; /* control register 3 */
+ vuint32_t brr; /* baud rate register */
+
+ vuint32_t gtpr; /* guard time and prescaler */
+ vuint32_t rtor; /* receiver timeout register */
+ vuint32_t rqr; /* request register */
+ vuint32_t isr; /* interrupt and status register */
+
+ vuint32_t icr; /* interrupt flag clear register */
+ vuint32_t rdr; /* receive data register */
+ vuint32_t tdr; /* transmit data register */
+};
+
+#define STM_USART_CR1_M1 28
+#define STM_USART_CR1_EOBIE 27
+#define STM_USART_CR1_RTOIE 26
+#define STM_USART_CR1_DEAT 21
+#define STM_USART_CR1_DEDT 16
+#define STM_USART_CR1_OVER8 15
+#define STM_USART_CR1_CMIE 14
+#define STM_USART_CR1_MME 13
+#define STM_USART_CR1_M0 12
+#define STM_USART_CR1_WAKE 11
+#define STM_USART_CR1_PCE 10
+#define STM_USART_CR1_PS 9
+#define STM_USART_CR1_PEIE 8
+#define STM_USART_CR1_TXEIE 7
+#define STM_USART_CR1_TCIE 6
+#define STM_USART_CR1_RXNEIE 5
+#define STM_USART_CR1_IDLEIE 4
+#define STM_USART_CR1_TE 3
+#define STM_USART_CR1_RE 2
+#define STM_USART_CR1_UESM 1
+#define STM_USART_CR1_UE 0
+
+#define STM_USART_CR2_ADD 24
+#define STM_USART_CR2_RTOEN 23
+#define STM_USART_CR2_ABRMOD 21
+#define STM_USART_CR2_ABREN 20
+#define STM_USART_CR2_MSBFIRST 19
+#define STM_USART_CR2_DATAINV 18
+#define STM_USART_CR2_TXINV 17
+#define STM_USART_CR2_RXINV 16
+#define STM_USART_CR2_SWAP 15
+#define STM_USART_CR2_LINEN 14
+#define STM_USART_CR2_STOP 12
+#define STM_USART_CR2_CLKEN 11
+#define STM_USART_CR2_CPOL 10
+#define STM_USART_CR2_CHPA 9
+#define STM_USART_CR2_LBCL 8
+#define STM_USART_CR2_LBDIE 6
+#define STM_USART_CR2_LBDL 5
+#define STM_USART_CR2_ADDM7 4
+
+#define STM_USART_CR3_WUFIE 22
+#define STM_USART_CR3_WUS 20
+#define STM_USART_CR3_SCARCNT 17
+#define STM_USART_CR3_DEP 15
+#define STM_USART_CR3_DEM 14
+#define STM_USART_CR3_DDRE 13
+#define STM_USART_CR3_OVRDIS 12
+#define STM_USART_CR3_ONEBIT 11
+#define STM_USART_CR3_CTIIE 10
+#define STM_USART_CR3_CTSE 9
+#define STM_USART_CR3_RTSE 8
+#define STM_USART_CR3_DMAT 7
+#define STM_USART_CR3_DMAR 6
+#define STM_USART_CR3_SCEN 5
+#define STM_USART_CR3_NACK 4
+#define STM_USART_CR3_HDSEL 3
+#define STM_USART_CR3_IRLP 2
+#define STM_USART_CR3_IREN 1
+#define STM_USART_CR3_EIE 0
+
+#define STM_USART_GTPR_GT 8
+#define STM_USART_GTPR_PSC 0
+
+#define STM_USART_RQR_TXFRQ 4
+#define STM_USART_RQR_RXFRQ 3
+#define STM_USART_RQR_MMRQ 2
+#define STM_USART_RQR_SBKRQ 1
+#define STM_USART_RQR_ABRRQ 0
+
+#define STM_USART_ISR_REACK 22
+#define STM_USART_ISR_TEACK 21
+#define STM_USART_ISR_WUF 20
+#define STM_USART_ISR_RWU 19
+#define STM_USART_ISR_SBKF 18
+#define STM_USART_ISR_CMF 17
+#define STM_USART_ISR_BUSY 16
+#define STM_USART_ISR_ABRF 15
+#define STM_USART_ISR_ABRE 14
+#define STM_USART_ISR_EOBF 12
+#define STM_USART_ISR_RTOF 11
+#define STM_USART_ISR_CTS 10
+#define STM_USART_ISR_CTSIF 9
+#define STM_USART_ISR_LBDF 8
+#define STM_USART_ISR_TXE 7
+#define STM_USART_ISR_TC 6
+#define STM_USART_ISR_RXNE 5
+#define STM_USART_ISR_IDLE 4
+#define STM_USART_ISR_ORE 3
+#define STM_USART_ISR_NF 2
+#define STM_USART_ISR_FE 1
+#define STM_USART_ISR_PE 0
+
+#define STM_USART_ICR_WUCF 20
+#define STM_USART_ICR_CMCF 17
+#define STM_USART_ICR_EOBCF 12
+#define STM_USART_ICR_RTOCF 11
+#define STM_USART_ICR_CTSCF 9
+#define STM_USART_ICR_LBDCF 8
+#define STM_USART_ICR_TCCF 6
+#define STM_USART_ICR_IDLECF 4
+#define STM_USART_ICR_ORECF 3
+#define STM_USART_ICR_NCF 2
+#define STM_USART_ICR_FECF 1
+#define STM_USART_ICR_PECF 0
+
+extern struct stm_usart stm_usart1;
+extern struct stm_usart stm_usart2;
+#define stm_usart1 (*((struct stm_usart *) 0x40013800))
+#define stm_usart2 (*((struct stm_usart *) 0x40004400))
+
+struct stm_tim {
+};
+
+extern struct stm_tim stm_tim9;
+
+struct stm_tim1011 {
+ vuint32_t cr1;
+ uint32_t unused_4;
+ vuint32_t smcr;
+ vuint32_t dier;
+ vuint32_t sr;
+ vuint32_t egr;
+ vuint32_t ccmr1;
+ uint32_t unused_1c;
+ vuint32_t ccer;
+ vuint32_t cnt;
+ vuint32_t psc;
+ vuint32_t arr;
+ uint32_t unused_30;
+ vuint32_t ccr1;
+ uint32_t unused_38;
+ uint32_t unused_3c;
+ uint32_t unused_40;
+ uint32_t unused_44;
+ uint32_t unused_48;
+ uint32_t unused_4c;
+ vuint32_t or;
+};
+
+extern struct stm_tim1011 stm_tim10;
+extern struct stm_tim1011 stm_tim11;
+
+#define STM_TIM1011_CR1_CKD 8
+#define STM_TIM1011_CR1_CKD_1 0
+#define STM_TIM1011_CR1_CKD_2 1
+#define STM_TIM1011_CR1_CKD_4 2
+#define STM_TIM1011_CR1_CKD_MASK 3
+#define STM_TIM1011_CR1_ARPE 7
+#define STM_TIM1011_CR1_URS 2
+#define STM_TIM1011_CR1_UDIS 1
+#define STM_TIM1011_CR1_CEN 0
+
+#define STM_TIM1011_SMCR_ETP 15
+#define STM_TIM1011_SMCR_ECE 14
+#define STM_TIM1011_SMCR_ETPS 12
+#define STM_TIM1011_SMCR_ETPS_OFF 0
+#define STM_TIM1011_SMCR_ETPS_2 1
+#define STM_TIM1011_SMCR_ETPS_4 2
+#define STM_TIM1011_SMCR_ETPS_8 3
+#define STM_TIM1011_SMCR_ETPS_MASK 3
+#define STM_TIM1011_SMCR_ETF 8
+#define STM_TIM1011_SMCR_ETF_NONE 0
+#define STM_TIM1011_SMCR_ETF_CK_INT_2 1
+#define STM_TIM1011_SMCR_ETF_CK_INT_4 2
+#define STM_TIM1011_SMCR_ETF_CK_INT_8 3
+#define STM_TIM1011_SMCR_ETF_DTS_2_6 4
+#define STM_TIM1011_SMCR_ETF_DTS_2_8 5
+#define STM_TIM1011_SMCR_ETF_DTS_4_6 6
+#define STM_TIM1011_SMCR_ETF_DTS_4_8 7
+#define STM_TIM1011_SMCR_ETF_DTS_8_6 8
+#define STM_TIM1011_SMCR_ETF_DTS_8_8 9
+#define STM_TIM1011_SMCR_ETF_DTS_16_5 10
+#define STM_TIM1011_SMCR_ETF_DTS_16_6 11
+#define STM_TIM1011_SMCR_ETF_DTS_16_8 12
+#define STM_TIM1011_SMCR_ETF_DTS_32_5 13
+#define STM_TIM1011_SMCR_ETF_DTS_32_6 14
+#define STM_TIM1011_SMCR_ETF_DTS_32_8 15
+#define STM_TIM1011_SMCR_ETF_MASK 15
+
+#define STM_TIM1011_DIER_CC1E 1
+#define STM_TIM1011_DIER_UIE 0
+
+#define STM_TIM1011_SR_CC1OF 9
+#define STM_TIM1011_SR_CC1IF 1
+#define STM_TIM1011_SR_UIF 0
+
+#define STM_TIM1011_EGR_CC1G 1
+#define STM_TIM1011_EGR_UG 0
+
+#define STM_TIM1011_CCMR1_OC1CE 7
+#define STM_TIM1011_CCMR1_OC1M 4
+#define STM_TIM1011_CCMR1_OC1M_FROZEN 0
+#define STM_TIM1011_CCMR1_OC1M_SET_1_ACTIVE_ON_MATCH 1
+#define STM_TIM1011_CCMR1_OC1M_SET_1_INACTIVE_ON_MATCH 2
+#define STM_TIM1011_CCMR1_OC1M_TOGGLE 3
+#define STM_TIM1011_CCMR1_OC1M_FORCE_INACTIVE 4
+#define STM_TIM1011_CCMR1_OC1M_FORCE_ACTIVE 5
+#define STM_TIM1011_CCMR1_OC1M_PWM_MODE_1 6
+#define STM_TIM1011_CCMR1_OC1M_PWM_MODE_2 7
+#define STM_TIM1011_CCMR1_OC1M_MASK 7
+#define STM_TIM1011_CCMR1_OC1PE 3
+#define STM_TIM1011_CCMR1_OC1FE 2
+#define STM_TIM1011_CCMR1_CC1S 0
+#define STM_TIM1011_CCMR1_CC1S_OUTPUT 0
+#define STM_TIM1011_CCMR1_CC1S_INPUT_TI1 1
+#define STM_TIM1011_CCMR1_CC1S_INPUT_TI2 2
+#define STM_TIM1011_CCMR1_CC1S_INPUT_TRC 3
+#define STM_TIM1011_CCMR1_CC1S_MASK 3
+
+#define STM_TIM1011_CCMR1_IC1F_NONE 0
+#define STM_TIM1011_CCMR1_IC1F_CK_INT_2 1
+#define STM_TIM1011_CCMR1_IC1F_CK_INT_4 2
+#define STM_TIM1011_CCMR1_IC1F_CK_INT_8 3
+#define STM_TIM1011_CCMR1_IC1F_DTS_2_6 4
+#define STM_TIM1011_CCMR1_IC1F_DTS_2_8 5
+#define STM_TIM1011_CCMR1_IC1F_DTS_4_6 6
+#define STM_TIM1011_CCMR1_IC1F_DTS_4_8 7
+#define STM_TIM1011_CCMR1_IC1F_DTS_8_6 8
+#define STM_TIM1011_CCMR1_IC1F_DTS_8_8 9
+#define STM_TIM1011_CCMR1_IC1F_DTS_16_5 10
+#define STM_TIM1011_CCMR1_IC1F_DTS_16_6 11
+#define STM_TIM1011_CCMR1_IC1F_DTS_16_8 12
+#define STM_TIM1011_CCMR1_IC1F_DTS_32_5 13
+#define STM_TIM1011_CCMR1_IC1F_DTS_32_6 14
+#define STM_TIM1011_CCMR1_IC1F_DTS_32_8 15
+#define STM_TIM1011_CCMR1_IC1F_MASK 15
+#define STM_TIM1011_CCMR1_IC1PSC 2
+#define STM_TIM1011_CCMR1_IC1PSC_1 0
+#define STM_TIM1011_CCMR1_IC1PSC_2 1
+#define STM_TIM1011_CCMR1_IC1PSC_4 2
+#define STM_TIM1011_CCMR1_IC1PSC_8 3
+#define STM_TIM1011_CCMR1_IC1PSC_MASK 3
+#define STM_TIM1011_CCMR1_CC1S 0
+
+#define STM_TIM1011_CCER_CC1NP 3
+#define STM_TIM1011_CCER_CC1P 1
+#define STM_TIM1011_CCER_CC1E 0
+
+#define STM_TIM1011_OR_TI1_RMP_RI 3
+#define STM_TIM1011_ETR_RMP 2
+#define STM_TIM1011_TI1_RMP 0
+#define STM_TIM1011_TI1_RMP_GPIO 0
+#define STM_TIM1011_TI1_RMP_LSI 1
+#define STM_TIM1011_TI1_RMP_LSE 2
+#define STM_TIM1011_TI1_RMP_RTC 3
+#define STM_TIM1011_TI1_RMP_MASK 3
+
+/* Flash interface */
+
+struct stm_flash {
+ vuint32_t acr;
+ vuint32_t pecr;
+ vuint32_t pdkeyr;
+ vuint32_t pekeyr;
+
+ vuint32_t prgkeyr;
+ vuint32_t optkeyr;
+ vuint32_t sr;
+ vuint32_t obr;
+
+ vuint32_t wrpr;
+};
+
+extern struct stm_flash stm_flash;
+
+#define STM_FLASH_ACR_RUN_PD (4)
+#define STM_FLASH_ACR_SLEEP_PD (3)
+#define STM_FLASH_ACR_ACC64 (2)
+#define STM_FLASH_ACR_PRFEN (1)
+#define STM_FLASH_ACR_LATENCY (0)
+
+#define STM_FLASH_PECR_OBL_LAUNCH 18
+#define STM_FLASH_PECR_ERRIE 17
+#define STM_FLASH_PECR_EOPIE 16
+#define STM_FLASH_PECR_FPRG 10
+#define STM_FLASH_PECR_ERASE 9
+#define STM_FLASH_PECR_FTDW 8
+#define STM_FLASH_PECR_DATA 4
+#define STM_FLASH_PECR_PROG 3
+#define STM_FLASH_PECR_OPTLOCK 2
+#define STM_FLASH_PECR_PRGLOCK 1
+#define STM_FLASH_PECR_PELOCK 0
+
+#define STM_FLASH_SR_OPTVERR 11
+#define STM_FLASH_SR_SIZERR 10
+#define STM_FLASH_SR_PGAERR 9
+#define STM_FLASH_SR_WRPERR 8
+#define STM_FLASH_SR_READY 3
+#define STM_FLASH_SR_ENDHV 2
+#define STM_FLASH_SR_EOP 1
+#define STM_FLASH_SR_BSY 0
+
+#define STM_FLASH_PEKEYR_PEKEY1 0x89ABCDEF
+#define STM_FLASH_PEKEYR_PEKEY2 0x02030405
+
+#define STM_FLASH_PRGKEYR_PRGKEY1 0x8C9DAEBF
+#define STM_FLASH_PRGKEYR_PRGKEY2 0x13141516
+
+struct stm_rcc {
+ vuint32_t cr;
+ vuint32_t icscr;
+ uint32_t unused08;
+ vuint32_t cfgr;
+
+ vuint32_t cier;
+ vuint32_t cifr;
+ vuint32_t cicr;
+ vuint32_t iopstr;
+
+ vuint32_t ahbrstr;
+ vuint32_t apb2rstr;
+ vuint32_t apb1rstr;
+ vuint32_t iopenr;
+
+ vuint32_t ahbenr;
+ vuint32_t apb2enr;
+ vuint32_t apb1enr;
+ vuint32_t iopsmen;
+
+ vuint32_t ahbsmenr;
+ vuint32_t apb2smenr;
+ vuint32_t apb1smenr;
+ vuint32_t ccipr;
+
+ vuint32_t csr;
+};
+
+extern struct stm_rcc stm_rcc;
+
+/* Nominal high speed internal oscillator frequency is 16MHz */
+#define STM_HSI_FREQ 16000000
+#define STM_MSI_FREQ 2097000
+
+#define STM_RCC_CR_RTCPRE (29)
+#define STM_RCC_CR_RTCPRE_HSE_DIV_2 0
+#define STM_RCC_CR_RTCPRE_HSE_DIV_4 1
+#define STM_RCC_CR_RTCPRE_HSE_DIV_8 2
+#define STM_RCC_CR_RTCPRE_HSE_DIV_16 3
+#define STM_RCC_CR_RTCPRE_HSE_MASK 3
+
+#define STM_RCC_CR_CSSON (28)
+#define STM_RCC_CR_PLLRDY (25)
+#define STM_RCC_CR_PLLON (24)
+#define STM_RCC_CR_HSEBYP (18)
+#define STM_RCC_CR_HSERDY (17)
+#define STM_RCC_CR_HSEON (16)
+#define STM_RCC_CR_MSIRDY (9)
+#define STM_RCC_CR_MSION (8)
+#define STM_RCC_CR_HSIRDY (1)
+#define STM_RCC_CR_HSION (0)
+
+#define STM_RCC_CFGR_MCOPRE (28)
+#define STM_RCC_CFGR_MCOPRE_DIV_1 0
+#define STM_RCC_CFGR_MCOPRE_DIV_2 1
+#define STM_RCC_CFGR_MCOPRE_DIV_4 2
+#define STM_RCC_CFGR_MCOPRE_DIV_8 3
+#define STM_RCC_CFGR_MCOPRE_DIV_16 4
+#define STM_RCC_CFGR_MCOPRE_MASK 7
+
+#define STM_RCC_CFGR_MCOSEL (24)
+#define STM_RCC_CFGR_MCOSEL_DISABLE 0
+#define STM_RCC_CFGR_MCOSEL_SYSCLK 1
+#define STM_RCC_CFGR_MCOSEL_HSI 2
+#define STM_RCC_CFGR_MCOSEL_MSI 3
+#define STM_RCC_CFGR_MCOSEL_HSE 4
+#define STM_RCC_CFGR_MCOSEL_PLL 5
+#define STM_RCC_CFGR_MCOSEL_LSI 6
+#define STM_RCC_CFGR_MCOSEL_LSE 7
+#define STM_RCC_CFGR_MCOSEL_MASK 7
+
+#define STM_RCC_CFGR_PLLDIV (22)
+#define STM_RCC_CFGR_PLLDIV_2 1
+#define STM_RCC_CFGR_PLLDIV_3 2
+#define STM_RCC_CFGR_PLLDIV_4 3
+#define STM_RCC_CFGR_PLLDIV_MASK 3
+
+#define STM_RCC_CFGR_PLLMUL (18)
+#define STM_RCC_CFGR_PLLMUL_3 0
+#define STM_RCC_CFGR_PLLMUL_4 1
+#define STM_RCC_CFGR_PLLMUL_6 2
+#define STM_RCC_CFGR_PLLMUL_8 3
+#define STM_RCC_CFGR_PLLMUL_12 4
+#define STM_RCC_CFGR_PLLMUL_16 5
+#define STM_RCC_CFGR_PLLMUL_24 6
+#define STM_RCC_CFGR_PLLMUL_32 7
+#define STM_RCC_CFGR_PLLMUL_48 8
+#define STM_RCC_CFGR_PLLMUL_MASK 0xf
+
+#define STM_RCC_CFGR_PLLSRC (16)
+
+#define STM_RCC_CFGR_PPRE2 (11)
+#define STM_RCC_CFGR_PPRE2_DIV_1 0
+#define STM_RCC_CFGR_PPRE2_DIV_2 4
+#define STM_RCC_CFGR_PPRE2_DIV_4 5
+#define STM_RCC_CFGR_PPRE2_DIV_8 6
+#define STM_RCC_CFGR_PPRE2_DIV_16 7
+#define STM_RCC_CFGR_PPRE2_MASK 7
+
+#define STM_RCC_CFGR_PPRE1 (8)
+#define STM_RCC_CFGR_PPRE1_DIV_1 0
+#define STM_RCC_CFGR_PPRE1_DIV_2 4
+#define STM_RCC_CFGR_PPRE1_DIV_4 5
+#define STM_RCC_CFGR_PPRE1_DIV_8 6
+#define STM_RCC_CFGR_PPRE1_DIV_16 7
+#define STM_RCC_CFGR_PPRE1_MASK 7
+
+#define STM_RCC_CFGR_HPRE (4)
+#define STM_RCC_CFGR_HPRE_DIV_1 0
+#define STM_RCC_CFGR_HPRE_DIV_2 8
+#define STM_RCC_CFGR_HPRE_DIV_4 9
+#define STM_RCC_CFGR_HPRE_DIV_8 0xa
+#define STM_RCC_CFGR_HPRE_DIV_16 0xb
+#define STM_RCC_CFGR_HPRE_DIV_64 0xc
+#define STM_RCC_CFGR_HPRE_DIV_128 0xd
+#define STM_RCC_CFGR_HPRE_DIV_256 0xe
+#define STM_RCC_CFGR_HPRE_DIV_512 0xf
+#define STM_RCC_CFGR_HPRE_MASK 0xf
+
+#define STM_RCC_CFGR_SWS (2)
+#define STM_RCC_CFGR_SWS_MSI 0
+#define STM_RCC_CFGR_SWS_HSI 1
+#define STM_RCC_CFGR_SWS_HSE 2
+#define STM_RCC_CFGR_SWS_PLL 3
+#define STM_RCC_CFGR_SWS_MASK 3
+
+#define STM_RCC_CFGR_SW (0)
+#define STM_RCC_CFGR_SW_MSI 0
+#define STM_RCC_CFGR_SW_HSI 1
+#define STM_RCC_CFGR_SW_HSE 2
+#define STM_RCC_CFGR_SW_PLL 3
+#define STM_RCC_CFGR_SW_MASK 3
+
+#define STM_RCC_IOPENR_IOPAEN 0
+#define STM_RCC_IOPENR_IOPBEN 1
+#define STM_RCC_IOPENR_IOPCEN 2
+#define STM_RCC_IOPENR_IOPDEN 3
+#define STM_RCC_IOPENR_IOPEEN 4
+#define STM_RCC_IOPENR_IOPHEN 7
+
+#define STM_RCC_AHBENR_DMA1EN 0
+#define STM_RCC_AHBENR_MIFEN 8
+#define STM_RCC_AHBENR_CRCEN 12
+#define STM_RCC_AHBENR_CRYPEN 24
+
+#define STM_RCC_APB2ENR_DBGEN (22)
+#define STM_RCC_APB2ENR_USART1EN (14)
+#define STM_RCC_APB2ENR_SPI1EN (12)
+#define STM_RCC_APB2ENR_ADC1EN (9)
+#define STM_RCC_APB2ENR_FWEN (7)
+#define STM_RCC_APB2ENR_TIM22EN (5)
+#define STM_RCC_APB2ENR_TIM21EN (2)
+#define STM_RCC_APB2ENR_SYSCFGEN (0)
+
+#define STM_RCC_APB1ENR_LPTIM1EN 31
+#define STM_RCC_APB1ENR_I2C3EN 30
+#define STM_RCC_APB1ENR_PWREN 28
+#define STM_RCC_APB1ENR_I2C2EN 22
+#define STM_RCC_APB1ENR_I2C1EN 21
+#define STM_RCC_APB1ENR_USART5EN 20
+#define STM_RCC_APB1ENR_USART4EN 19
+#define STM_RCC_APB1ENR_LPUART1EN 18
+#define STM_RCC_APB1ENR_USART2EN 17
+#define STM_RCC_APB1ENR_SPI2EN 14
+#define STM_RCC_APB1ENR_WWDGEN 11
+#define STM_RCC_APB1ENR_TIM7EN 5
+#define STM_RCC_APB1ENR_TIM6EN 4
+#define STM_RCC_APB1ENR_TIM3EN 1
+#define STM_RCC_APB1ENR_TIM2EN 0
+
+#define STM_RCC_CSR_LPWRRSTF (31)
+#define STM_RCC_CSR_WWDGRSTF (30)
+#define STM_RCC_CSR_IWDGRSTF (29)
+#define STM_RCC_CSR_SFTRSTF (28)
+#define STM_RCC_CSR_PORRSTF (27)
+#define STM_RCC_CSR_PINRSTF (26)
+#define STM_RCC_CSR_OBLRSTF (25)
+#define STM_RCC_CSR_RMVF (24)
+#define STM_RCC_CSR_RTFRST (23)
+#define STM_RCC_CSR_RTCEN (22)
+#define STM_RCC_CSR_RTCSEL (16)
+
+#define STM_RCC_CSR_RTCSEL_NONE 0
+#define STM_RCC_CSR_RTCSEL_LSE 1
+#define STM_RCC_CSR_RTCSEL_LSI 2
+#define STM_RCC_CSR_RTCSEL_HSE 3
+#define STM_RCC_CSR_RTCSEL_MASK 3
+
+#define STM_RCC_CSR_LSEBYP (10)
+#define STM_RCC_CSR_LSERDY (9)
+#define STM_RCC_CSR_LSEON (8)
+#define STM_RCC_CSR_LSIRDY (1)
+#define STM_RCC_CSR_LSION (0)
+
+struct stm_pwr {
+ vuint32_t cr;
+ vuint32_t csr;
+};
+
+extern struct stm_pwr stm_pwr;
+
+#define STM_PWR_CR_LPRUN (14)
+
+#define STM_PWR_CR_VOS (11)
+#define STM_PWR_CR_VOS_1_8 1
+#define STM_PWR_CR_VOS_1_5 2
+#define STM_PWR_CR_VOS_1_2 3
+#define STM_PWR_CR_VOS_MASK 3
+
+#define STM_PWR_CR_FWU (10)
+#define STM_PWR_CR_ULP (9)
+#define STM_PWR_CR_DBP (8)
+
+#define STM_PWR_CR_PLS (5)
+#define STM_PWR_CR_PLS_1_9 0
+#define STM_PWR_CR_PLS_2_1 1
+#define STM_PWR_CR_PLS_2_3 2
+#define STM_PWR_CR_PLS_2_5 3
+#define STM_PWR_CR_PLS_2_7 4
+#define STM_PWR_CR_PLS_2_9 5
+#define STM_PWR_CR_PLS_3_1 6
+#define STM_PWR_CR_PLS_EXT 7
+#define STM_PWR_CR_PLS_MASK 7
+
+#define STM_PWR_CR_PVDE (4)
+#define STM_PWR_CR_CSBF (3)
+#define STM_PWR_CR_CWUF (2)
+#define STM_PWR_CR_PDDS (1)
+#define STM_PWR_CR_LPSDSR (0)
+
+#define STM_PWR_CSR_EWUP3 (10)
+#define STM_PWR_CSR_EWUP2 (9)
+#define STM_PWR_CSR_EWUP1 (8)
+#define STM_PWR_CSR_REGLPF (5)
+#define STM_PWR_CSR_VOSF (4)
+#define STM_PWR_CSR_VREFINTRDYF (3)
+#define STM_PWR_CSR_PVDO (2)
+#define STM_PWR_CSR_SBF (1)
+#define STM_PWR_CSR_WUF (0)
+
+struct stm_tim67 {
+ vuint32_t cr1;
+ vuint32_t cr2;
+ uint32_t _unused_08;
+ vuint32_t dier;
+
+ vuint32_t sr;
+ vuint32_t egr;
+ uint32_t _unused_18;
+ uint32_t _unused_1c;
+
+ uint32_t _unused_20;
+ vuint32_t cnt;
+ vuint32_t psc;
+ vuint32_t arr;
+};
+
+extern struct stm_tim67 stm_tim6;
+
+#define STM_TIM67_CR1_ARPE (7)
+#define STM_TIM67_CR1_OPM (3)
+#define STM_TIM67_CR1_URS (2)
+#define STM_TIM67_CR1_UDIS (1)
+#define STM_TIM67_CR1_CEN (0)
+
+#define STM_TIM67_CR2_MMS (4)
+#define STM_TIM67_CR2_MMS_RESET 0
+#define STM_TIM67_CR2_MMS_ENABLE 1
+#define STM_TIM67_CR2_MMS_UPDATE 2
+#define STM_TIM67_CR2_MMS_MASK 7
+
+#define STM_TIM67_DIER_UDE (8)
+#define STM_TIM67_DIER_UIE (0)
+
+#define STM_TIM67_SR_UIF (0)
+
+#define STM_TIM67_EGR_UG (0)
+
+struct stm_lcd {
+ vuint32_t cr;
+ vuint32_t fcr;
+ vuint32_t sr;
+ vuint32_t clr;
+ uint32_t unused_0x10;
+ vuint32_t ram[8*2];
+};
+
+extern struct stm_lcd stm_lcd;
+
+#define STM_LCD_CR_MUX_SEG (7)
+
+#define STM_LCD_CR_BIAS (5)
+#define STM_LCD_CR_BIAS_1_4 0
+#define STM_LCD_CR_BIAS_1_2 1
+#define STM_LCD_CR_BIAS_1_3 2
+#define STM_LCD_CR_BIAS_MASK 3
+
+#define STM_LCD_CR_DUTY (2)
+#define STM_LCD_CR_DUTY_STATIC 0
+#define STM_LCD_CR_DUTY_1_2 1
+#define STM_LCD_CR_DUTY_1_3 2
+#define STM_LCD_CR_DUTY_1_4 3
+#define STM_LCD_CR_DUTY_1_8 4
+#define STM_LCD_CR_DUTY_MASK 7
+
+#define STM_LCD_CR_VSEL (1)
+#define STM_LCD_CR_LCDEN (0)
+
+#define STM_LCD_FCR_PS (22)
+#define STM_LCD_FCR_PS_1 0x0
+#define STM_LCD_FCR_PS_2 0x1
+#define STM_LCD_FCR_PS_4 0x2
+#define STM_LCD_FCR_PS_8 0x3
+#define STM_LCD_FCR_PS_16 0x4
+#define STM_LCD_FCR_PS_32 0x5
+#define STM_LCD_FCR_PS_64 0x6
+#define STM_LCD_FCR_PS_128 0x7
+#define STM_LCD_FCR_PS_256 0x8
+#define STM_LCD_FCR_PS_512 0x9
+#define STM_LCD_FCR_PS_1024 0xa
+#define STM_LCD_FCR_PS_2048 0xb
+#define STM_LCD_FCR_PS_4096 0xc
+#define STM_LCD_FCR_PS_8192 0xd
+#define STM_LCD_FCR_PS_16384 0xe
+#define STM_LCD_FCR_PS_32768 0xf
+#define STM_LCD_FCR_PS_MASK 0xf
+
+#define STM_LCD_FCR_DIV (18)
+#define STM_LCD_FCR_DIV_16 0x0
+#define STM_LCD_FCR_DIV_17 0x1
+#define STM_LCD_FCR_DIV_18 0x2
+#define STM_LCD_FCR_DIV_19 0x3
+#define STM_LCD_FCR_DIV_20 0x4
+#define STM_LCD_FCR_DIV_21 0x5
+#define STM_LCD_FCR_DIV_22 0x6
+#define STM_LCD_FCR_DIV_23 0x7
+#define STM_LCD_FCR_DIV_24 0x8
+#define STM_LCD_FCR_DIV_25 0x9
+#define STM_LCD_FCR_DIV_26 0xa
+#define STM_LCD_FCR_DIV_27 0xb
+#define STM_LCD_FCR_DIV_28 0xc
+#define STM_LCD_FCR_DIV_29 0xd
+#define STM_LCD_FCR_DIV_30 0xe
+#define STM_LCD_FCR_DIV_31 0xf
+#define STM_LCD_FCR_DIV_MASK 0xf
+
+#define STM_LCD_FCR_BLINK (16)
+#define STM_LCD_FCR_BLINK_DISABLE 0
+#define STM_LCD_FCR_BLINK_SEG0_COM0 1
+#define STM_LCD_FCR_BLINK_SEG0_COMALL 2
+#define STM_LCD_FCR_BLINK_SEGALL_COMALL 3
+#define STM_LCD_FCR_BLINK_MASK 3
+
+#define STM_LCD_FCR_BLINKF (13)
+#define STM_LCD_FCR_BLINKF_8 0
+#define STM_LCD_FCR_BLINKF_16 1
+#define STM_LCD_FCR_BLINKF_32 2
+#define STM_LCD_FCR_BLINKF_64 3
+#define STM_LCD_FCR_BLINKF_128 4
+#define STM_LCD_FCR_BLINKF_256 5
+#define STM_LCD_FCR_BLINKF_512 6
+#define STM_LCD_FCR_BLINKF_1024 7
+#define STM_LCD_FCR_BLINKF_MASK 7
+
+#define STM_LCD_FCR_CC (10)
+#define STM_LCD_FCR_CC_MASK 7
+
+#define STM_LCD_FCR_DEAD (7)
+#define STM_LCD_FCR_DEAD_MASK 7
+
+#define STM_LCD_FCR_PON (4)
+#define STM_LCD_FCR_PON_MASK 7
+
+#define STM_LCD_FCR_UDDIE (3)
+#define STM_LCD_FCR_SOFIE (1)
+#define STM_LCD_FCR_HD (0)
+
+#define STM_LCD_SR_FCRSF (5)
+#define STM_LCD_SR_RDY (4)
+#define STM_LCD_SR_UDD (3)
+#define STM_LCD_SR_UDR (2)
+#define STM_LCD_SR_SOF (1)
+#define STM_LCD_SR_ENS (0)
+
+#define STM_LCD_CLR_UDDC (3)
+#define STM_LCD_CLR_SOFC (1)
+
+/* The SYSTICK starts at 0xe000e010 */
+
+struct stm_systick {
+ vuint32_t csr;
+ vuint32_t rvr;
+ vuint32_t cvr;
+ vuint32_t calib;
+};
+
+extern struct stm_systick stm_systick;
+
+#define STM_SYSTICK_CSR_ENABLE 0
+#define STM_SYSTICK_CSR_TICKINT 1
+#define STM_SYSTICK_CSR_CLKSOURCE 2
+#define STM_SYSTICK_CSR_CLKSOURCE_HCLK_8 0
+#define STM_SYSTICK_CSR_CLKSOURCE_HCLK 1
+#define STM_SYSTICK_CSR_COUNTFLAG 16
+
+/* The NVIC starts at 0xe000e100, so add that to the offsets to find the absolute address */
+
+struct stm_nvic {
+ vuint32_t iser; /* 0x000 0xe000e100 Set Enable Register */
+
+ uint8_t _unused020[0x080 - 0x004];
+
+ vuint32_t icer; /* 0x080 0xe000e180 Clear Enable Register */
+
+ uint8_t _unused0a0[0x100 - 0x084];
+
+ vuint32_t ispr; /* 0x100 0xe000e200 Set Pending Register */
+
+ uint8_t _unused120[0x180 - 0x104];
+
+ vuint32_t icpr; /* 0x180 0xe000e280 Clear Pending Register */
+
+ uint8_t _unused1a0[0x300 - 0x184];
+
+ vuint32_t ipr[8]; /* 0x300 0xe000e400 Priority Register */
+};
+
+extern struct stm_nvic stm_nvic;
+
+#define IRQ_MASK(irq) (1 << (irq))
+#define IRQ_BOOL(v,irq) (((v) >> (irq)) & 1)
+
+static inline void
+stm_nvic_set_enable(int irq) {
+ stm_nvic.iser = IRQ_MASK(irq);
+}
+
+static inline void
+stm_nvic_clear_enable(int irq) {
+ stm_nvic.icer = IRQ_MASK(irq);
+}
+
+static inline int
+stm_nvic_enabled(int irq) {
+ return IRQ_BOOL(stm_nvic.iser, irq);
+}
+
+static inline void
+stm_nvic_set_pending(int irq) {
+ stm_nvic.ispr = IRQ_MASK(irq);
+}
+
+static inline void
+stm_nvic_clear_pending(int irq) {
+ stm_nvic.icpr = IRQ_MASK(irq);
+}
+
+static inline int
+stm_nvic_pending(int irq) {
+ return IRQ_BOOL(stm_nvic.ispr, irq);
+}
+
+#define IRQ_PRIO_REG(irq) ((irq) >> 2)
+#define IRQ_PRIO_BIT(irq) (((irq) & 3) << 3)
+#define IRQ_PRIO_MASK(irq) (0xff << IRQ_PRIO_BIT(irq))
+
+static inline void
+stm_nvic_set_priority(int irq, uint8_t prio) {
+ int n = IRQ_PRIO_REG(irq);
+ uint32_t v;
+
+ v = stm_nvic.ipr[n];
+ v &= ~IRQ_PRIO_MASK(irq);
+ v |= (prio) << IRQ_PRIO_BIT(irq);
+ stm_nvic.ipr[n] = v;
+}
+
+static inline uint8_t
+stm_nvic_get_priority(int irq) {
+ return (stm_nvic.ipr[IRQ_PRIO_REG(irq)] >> IRQ_PRIO_BIT(irq)) & IRQ_PRIO_MASK(0);
+}
+
+struct stm_scb {
+ vuint32_t cpuid;
+ vuint32_t icsr;
+ vuint32_t vtor;
+ vuint32_t aircr;
+
+ vuint32_t scr;
+ vuint32_t ccr;
+ vuint32_t shpr1;
+ vuint32_t shpr2;
+
+ vuint32_t shpr3;
+ vuint32_t shcrs;
+ vuint32_t cfsr;
+ vuint32_t hfsr;
+
+ uint32_t unused_30;
+ vuint32_t mmfar;
+ vuint32_t bfar;
+};
+
+extern struct stm_scb stm_scb;
+
+#define STM_SCB_AIRCR_VECTKEY 16
+#define STM_SCB_AIRCR_VECTKEY_KEY 0x05fa
+#define STM_SCB_AIRCR_PRIGROUP 8
+#define STM_SCB_AIRCR_SYSRESETREQ 2
+#define STM_SCB_AIRCR_VECTCLRACTIVE 1
+#define STM_SCB_AIRCR_VECTRESET 0
+
+struct stm_mpu {
+ vuint32_t typer;
+ vuint32_t cr;
+ vuint32_t rnr;
+ vuint32_t rbar;
+
+ vuint32_t rasr;
+ vuint32_t rbar_a1;
+ vuint32_t rasr_a1;
+ vuint32_t rbar_a2;
+ vuint32_t rasr_a2;
+ vuint32_t rbar_a3;
+ vuint32_t rasr_a3;
+};
+
+extern struct stm_mpu stm_mpu;
+
+#define STM_MPU_TYPER_IREGION 16
+#define STM_MPU_TYPER_IREGION_MASK 0xff
+#define STM_MPU_TYPER_DREGION 8
+#define STM_MPU_TYPER_DREGION_MASK 0xff
+#define STM_MPU_TYPER_SEPARATE 0
+
+#define STM_MPU_CR_PRIVDEFENA 2
+#define STM_MPU_CR_HFNMIENA 1
+#define STM_MPU_CR_ENABLE 0
+
+#define STM_MPU_RNR_REGION 0
+#define STM_MPU_RNR_REGION_MASK 0xff
+
+#define STM_MPU_RBAR_ADDR 5
+#define STM_MPU_RBAR_ADDR_MASK 0x7ffffff
+
+#define STM_MPU_RBAR_VALID 4
+#define STM_MPU_RBAR_REGION 0
+#define STM_MPU_RBAR_REGION_MASK 0xf
+
+#define STM_MPU_RASR_XN 28
+#define STM_MPU_RASR_AP 24
+#define STM_MPU_RASR_AP_NONE_NONE 0
+#define STM_MPU_RASR_AP_RW_NONE 1
+#define STM_MPU_RASR_AP_RW_RO 2
+#define STM_MPU_RASR_AP_RW_RW 3
+#define STM_MPU_RASR_AP_RO_NONE 5
+#define STM_MPU_RASR_AP_RO_RO 6
+#define STM_MPU_RASR_AP_MASK 7
+#define STM_MPU_RASR_TEX 19
+#define STM_MPU_RASR_TEX_MASK 7
+#define STM_MPU_RASR_S 18
+#define STM_MPU_RASR_C 17
+#define STM_MPU_RASR_B 16
+#define STM_MPU_RASR_SRD 8
+#define STM_MPU_RASR_SRD_MASK 0xff
+#define STM_MPU_RASR_SIZE 1
+#define STM_MPU_RASR_SIZE_MASK 0x1f
+#define STM_MPU_RASR_ENABLE 0
+
+#define isr_decl(name) void stm_ ## name ## _isr(void)
+
+isr_decl(halt);
+isr_decl(ignore);
+
+isr_decl(nmi);
+isr_decl(hardfault);
+isr_decl(usagefault);
+isr_decl(svc);
+isr_decl(debugmon);
+isr_decl(pendsv);
+isr_decl(systick);
+isr_decl(wwdg);
+isr_decl(pvd);
+isr_decl(rtc);
+isr_decl(flash);
+isr_decl(rcc_crs);
+isr_decl(exti1_0);
+isr_decl(exti3_2);
+isr_decl(exti15_4);
+isr_decl(dma1_channel1);
+isr_decl(dma1_channel3_2);
+isr_decl(dma1_channel7_4);
+isr_decl(adc_comp);
+isr_decl(lptim1);
+isr_decl(usart4_usart5);
+isr_decl(tim2);
+isr_decl(tim3);
+isr_decl(tim4);
+isr_decl(tim6);
+isr_decl(tim7);
+isr_decl(tim21);
+isr_decl(i2c3);
+isr_decl(tim22);
+isr_decl(i2c1);
+isr_decl(i2c2);
+isr_decl(spi1);
+isr_decl(spi2);
+isr_decl(usart1);
+isr_decl(usart2);
+isr_decl(usart3);
+isr_decl(lpuart1_aes);
+
+#undef isr_decl
+
+#define STM_ISR_WWDG_POS 0
+#define STM_ISR_PVD_POS 1
+#define STM_ISR_RTC_POS 2
+#define STM_ISR_FLASH_POS 3
+#define STM_ISR_RCC_CRS_POS 4
+#define STM_ISR_EXTI1_0_POS 5
+#define STM_ISR_EXTI3_2_POS 6
+#define STM_ISR_EXTI15_4_POS 7
+#define STM_ISR_DMA1_CHANNEL1_POS 9
+#define STM_ISR_DMA1_CHANNEL3_2_POS 10
+#define STM_ISR_DMA1_CHANNEL7_4_POS 11
+#define STM_ISR_ADC_COMP_POS 12
+#define STM_ISR_LPTIM1_POS 13
+#define STM_ISR_USART4_USART5_POS 14
+#define STM_ISR_TIM2_POS 15
+#define STM_ISR_TIM3_POS 16
+#define STM_ISR_TIM6_POS 17
+#define STM_ISR_TIM7_POS 18
+#define STM_ISR_TIM21_POS 20
+#define STM_ISR_I2C3_POS 21
+#define STM_ISR_TIM22_POS 22
+#define STM_ISR_I2C1_POS 23
+#define STM_ISR_I2C2_POS 24
+#define STM_ISR_SPI1_POS 25
+#define STM_ISR_SPI2_POS 26
+#define STM_ISR_USART1_POS 27
+#define STM_ISR_USART2_POS 28
+#define STM_ISR_LPUART1_AES_POS 29
+
+struct stm_syscfg {
+ vuint32_t memrmp;
+ vuint32_t pmc;
+ vuint32_t exticr[4];
+};
+
+extern struct stm_syscfg stm_syscfg;
+
+#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_USB_PU 0
+
+#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_PH 5
+
+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;
+
+ stm_syscfg.exticr[reg] = (stm_syscfg.exticr[reg] & ~(0xf << shift)) | val << shift;
+}
+
+struct stm_dma_channel {
+ vuint32_t ccr;
+ vuint32_t cndtr;
+ vvoid_t cpar;
+ vvoid_t cmar;
+ vuint32_t reserved;
+};
+
+#define STM_NUM_DMA 7
+
+struct stm_dma {
+ vuint32_t isr;
+ vuint32_t ifcr;
+ struct stm_dma_channel channel[STM_NUM_DMA];
+};
+
+extern struct stm_dma stm_dma;
+
+/* DMA channels go from 1 to 7, instead of 0 to 6 (sigh)
+ */
+
+#define STM_DMA_INDEX(channel) ((channel) - 1)
+
+#define STM_DMA_ISR(index) ((index) << 2)
+#define STM_DMA_ISR_MASK 0xf
+#define STM_DMA_ISR_TEIF 3
+#define STM_DMA_ISR_HTIF 2
+#define STM_DMA_ISR_TCIF 1
+#define STM_DMA_ISR_GIF 0
+
+#define STM_DMA_IFCR(index) ((index) << 2)
+#define STM_DMA_IFCR_MASK 0xf
+#define STM_DMA_IFCR_CTEIF 3
+#define STM_DMA_IFCR_CHTIF 2
+#define STM_DMA_IFCR_CTCIF 1
+#define STM_DMA_IFCR_CGIF 0
+
+#define STM_DMA_CCR_MEM2MEM (14)
+
+#define STM_DMA_CCR_PL (12)
+#define STM_DMA_CCR_PL_LOW (0)
+#define STM_DMA_CCR_PL_MEDIUM (1)
+#define STM_DMA_CCR_PL_HIGH (2)
+#define STM_DMA_CCR_PL_VERY_HIGH (3)
+#define STM_DMA_CCR_PL_MASK (3)
+
+#define STM_DMA_CCR_MSIZE (10)
+#define STM_DMA_CCR_MSIZE_8 (0)
+#define STM_DMA_CCR_MSIZE_16 (1)
+#define STM_DMA_CCR_MSIZE_32 (2)
+#define STM_DMA_CCR_MSIZE_MASK (3)
+
+#define STM_DMA_CCR_PSIZE (8)
+#define STM_DMA_CCR_PSIZE_8 (0)
+#define STM_DMA_CCR_PSIZE_16 (1)
+#define STM_DMA_CCR_PSIZE_32 (2)
+#define STM_DMA_CCR_PSIZE_MASK (3)
+
+#define STM_DMA_CCR_MINC (7)
+#define STM_DMA_CCR_PINC (6)
+#define STM_DMA_CCR_CIRC (5)
+#define STM_DMA_CCR_DIR (4)
+#define STM_DMA_CCR_DIR_PER_TO_MEM 0
+#define STM_DMA_CCR_DIR_MEM_TO_PER 1
+#define STM_DMA_CCR_TEIE (3)
+#define STM_DMA_CCR_HTIE (2)
+#define STM_DMA_CCR_TCIE (1)
+#define STM_DMA_CCR_EN (0)
+
+#define STM_DMA_CHANNEL_ADC1 1
+#define STM_DMA_CHANNEL_SPI1_RX 2
+#define STM_DMA_CHANNEL_SPI1_TX 3
+#define STM_DMA_CHANNEL_SPI2_RX 4
+#define STM_DMA_CHANNEL_SPI2_TX 5
+#define STM_DMA_CHANNEL_USART3_TX 2
+#define STM_DMA_CHANNEL_USART3_RX 3
+#define STM_DMA_CHANNEL_USART1_TX 4
+#define STM_DMA_CHANNEL_USART1_RX 5
+#define STM_DMA_CHANNEL_USART2_RX 6
+#define STM_DMA_CHANNEL_USART2_TX 7
+#define STM_DMA_CHANNEL_I2C2_TX 4
+#define STM_DMA_CHANNEL_I2C2_RX 5
+#define STM_DMA_CHANNEL_I2C1_TX 6
+#define STM_DMA_CHANNEL_I2C1_RX 7
+#define STM_DMA_CHANNEL_TIM2_CH3 1
+#define STM_DMA_CHANNEL_TIM2_UP 2
+#define STM_DMA_CHANNEL_TIM2_CH1 5
+#define STM_DMA_CHANNEL_TIM2_CH2 7
+#define STM_DMA_CHANNEL_TIM2_CH4 7
+#define STM_DMA_CHANNEL_TIM3_CH3 2
+#define STM_DMA_CHANNEL_TIM3_CH4 3
+#define STM_DMA_CHANNEL_TIM3_UP 3
+#define STM_DMA_CHANNEL_TIM3_CH1 6
+#define STM_DMA_CHANNEL_TIM3_TRIG 6
+#define STM_DMA_CHANNEL_TIM4_CH1 1
+#define STM_DMA_CHANNEL_TIM4_CH2 4
+#define STM_DMA_CHANNEL_TIM4_CH3 5
+#define STM_DMA_CHANNEL_TIM4_UP 7
+#define STM_DMA_CHANNEL_TIM6_UP_DA 2
+#define STM_DMA_CHANNEL_C_CHANNEL1 2
+#define STM_DMA_CHANNEL_TIM7_UP_DA 3
+#define STM_DMA_CHANNEL_C_CHANNEL2 3
+
+/*
+ * Only spi channel 1 and 2 can use DMA
+ */
+#define STM_NUM_SPI 2
+
+struct stm_spi {
+ vuint32_t cr1;
+ vuint32_t cr2;
+ vuint32_t sr;
+ vuint32_t dr;
+ vuint32_t crcpr;
+ vuint32_t rxcrcr;
+ vuint32_t txcrcr;
+};
+
+extern struct stm_spi stm_spi1, stm_spi2, stm_spi3;
+
+/* SPI channels go from 1 to 3, instead of 0 to 2 (sigh)
+ */
+
+#define STM_SPI_INDEX(channel) ((channel) - 1)
+
+#define STM_SPI_CR1_BIDIMODE 15
+#define STM_SPI_CR1_BIDIOE 14
+#define STM_SPI_CR1_CRCEN 13
+#define STM_SPI_CR1_CRCNEXT 12
+#define STM_SPI_CR1_DFF 11
+#define STM_SPI_CR1_RXONLY 10
+#define STM_SPI_CR1_SSM 9
+#define STM_SPI_CR1_SSI 8
+#define STM_SPI_CR1_LSBFIRST 7
+#define STM_SPI_CR1_SPE 6
+#define STM_SPI_CR1_BR 3
+#define STM_SPI_CR1_BR_PCLK_2 0
+#define STM_SPI_CR1_BR_PCLK_4 1
+#define STM_SPI_CR1_BR_PCLK_8 2
+#define STM_SPI_CR1_BR_PCLK_16 3
+#define STM_SPI_CR1_BR_PCLK_32 4
+#define STM_SPI_CR1_BR_PCLK_64 5
+#define STM_SPI_CR1_BR_PCLK_128 6
+#define STM_SPI_CR1_BR_PCLK_256 7
+#define STM_SPI_CR1_BR_MASK 7
+
+#define STM_SPI_CR1_MSTR 2
+#define STM_SPI_CR1_CPOL 1
+#define STM_SPI_CR1_CPHA 0
+
+#define STM_SPI_CR2_TXEIE 7
+#define STM_SPI_CR2_RXNEIE 6
+#define STM_SPI_CR2_ERRIE 5
+#define STM_SPI_CR2_SSOE 2
+#define STM_SPI_CR2_TXDMAEN 1
+#define STM_SPI_CR2_RXDMAEN 0
+
+#define STM_SPI_SR_FRE 8
+#define STM_SPI_SR_BSY 7
+#define STM_SPI_SR_OVR 6
+#define STM_SPI_SR_MODF 5
+#define STM_SPI_SR_CRCERR 4
+#define STM_SPI_SR_UDR 3
+#define STM_SPI_SR_CHSIDE 2
+#define STM_SPI_SR_TXE 1
+#define STM_SPI_SR_RXNE 0
+
+struct stm_adc {
+ vuint32_t sr;
+ vuint32_t cr1;
+ vuint32_t cr2;
+ vuint32_t smpr1;
+ vuint32_t smpr2;
+ vuint32_t smpr3;
+ vuint32_t jofr1;
+ vuint32_t jofr2;
+ vuint32_t jofr3;
+ vuint32_t jofr4;
+ vuint32_t htr;
+ vuint32_t ltr;
+ vuint32_t sqr1;
+ vuint32_t sqr2;
+ vuint32_t sqr3;
+ vuint32_t sqr4;
+ vuint32_t sqr5;
+ vuint32_t jsqr;
+ vuint32_t jdr1;
+ vuint32_t jdr2;
+ vuint32_t jdr3;
+ vuint32_t jdr4;
+ vuint32_t dr;
+ uint8_t reserved[0x300 - 0x5c];
+ vuint32_t csr;
+ vuint32_t ccr;
+};
+
+extern struct stm_adc stm_adc;
+
+#define STM_ADC_SQ_TEMP 16
+#define STM_ADC_SQ_V_REF 17
+
+#define STM_ADC_SR_JCNR 9
+#define STM_ADC_SR_RCNR 8
+#define STM_ADC_SR_ADONS 6
+#define STM_ADC_SR_OVR 5
+#define STM_ADC_SR_STRT 4
+#define STM_ADC_SR_JSTRT 3
+#define STM_ADC_SR_JEOC 2
+#define STM_ADC_SR_EOC 1
+#define STM_ADC_SR_AWD 0
+
+#define STM_ADC_CR1_OVRIE 26
+#define STM_ADC_CR1_RES 24
+#define STM_ADC_CR1_RES_12 0
+#define STM_ADC_CR1_RES_10 1
+#define STM_ADC_CR1_RES_8 2
+#define STM_ADC_CR1_RES_6 3
+#define STM_ADC_CR1_RES_MASK 3
+#define STM_ADC_CR1_AWDEN 23
+#define STM_ADC_CR1_JAWDEN 22
+#define STM_ADC_CR1_PDI 17
+#define STM_ADC_CR1_PDD 16
+#define STM_ADC_CR1_DISCNUM 13
+#define STM_ADC_CR1_DISCNUM_1 0
+#define STM_ADC_CR1_DISCNUM_2 1
+#define STM_ADC_CR1_DISCNUM_3 2
+#define STM_ADC_CR1_DISCNUM_4 3
+#define STM_ADC_CR1_DISCNUM_5 4
+#define STM_ADC_CR1_DISCNUM_6 5
+#define STM_ADC_CR1_DISCNUM_7 6
+#define STM_ADC_CR1_DISCNUM_8 7
+#define STM_ADC_CR1_DISCNUM_MASK 7
+#define STM_ADC_CR1_JDISCEN 12
+#define STM_ADC_CR1_DISCEN 11
+#define STM_ADC_CR1_JAUTO 10
+#define STM_ADC_CR1_AWDSGL 9
+#define STM_ADC_CR1_SCAN 8
+#define STM_ADC_CR1_JEOCIE 7
+#define STM_ADC_CR1_AWDIE 6
+#define STM_ADC_CR1_EOCIE 5
+#define STM_ADC_CR1_AWDCH 0
+#define STM_ADC_CR1_AWDCH_MASK 0x1f
+
+#define STM_ADC_CR2_SWSTART 30
+#define STM_ADC_CR2_EXTEN 28
+#define STM_ADC_CR2_EXTEN_DISABLE 0
+#define STM_ADC_CR2_EXTEN_RISING 1
+#define STM_ADC_CR2_EXTEN_FALLING 2
+#define STM_ADC_CR2_EXTEN_BOTH 3
+#define STM_ADC_CR2_EXTEN_MASK 3
+#define STM_ADC_CR2_EXTSEL 24
+#define STM_ADC_CR2_EXTSEL_TIM9_CC2 0
+#define STM_ADC_CR2_EXTSEL_TIM9_TRGO 1
+#define STM_ADC_CR2_EXTSEL_TIM2_CC3 2
+#define STM_ADC_CR2_EXTSEL_TIM2_CC2 3
+#define STM_ADC_CR2_EXTSEL_TIM3_TRGO 4
+#define STM_ADC_CR2_EXTSEL_TIM4_CC4 5
+#define STM_ADC_CR2_EXTSEL_TIM2_TRGO 6
+#define STM_ADC_CR2_EXTSEL_TIM3_CC1 7
+#define STM_ADC_CR2_EXTSEL_TIM3_CC3 8
+#define STM_ADC_CR2_EXTSEL_TIM4_TRGO 9
+#define STM_ADC_CR2_EXTSEL_TIM6_TRGO 10
+#define STM_ADC_CR2_EXTSEL_EXTI_11 15
+#define STM_ADC_CR2_EXTSEL_MASK 15
+#define STM_ADC_CR2_JWSTART 22
+#define STM_ADC_CR2_JEXTEN 20
+#define STM_ADC_CR2_JEXTEN_DISABLE 0
+#define STM_ADC_CR2_JEXTEN_RISING 1
+#define STM_ADC_CR2_JEXTEN_FALLING 2
+#define STM_ADC_CR2_JEXTEN_BOTH 3
+#define STM_ADC_CR2_JEXTEN_MASK 3
+#define STM_ADC_CR2_JEXTSEL 16
+#define STM_ADC_CR2_JEXTSEL_TIM9_CC1 0
+#define STM_ADC_CR2_JEXTSEL_TIM9_TRGO 1
+#define STM_ADC_CR2_JEXTSEL_TIM2_TRGO 2
+#define STM_ADC_CR2_JEXTSEL_TIM2_CC1 3
+#define STM_ADC_CR2_JEXTSEL_TIM3_CC4 4
+#define STM_ADC_CR2_JEXTSEL_TIM4_TRGO 5
+#define STM_ADC_CR2_JEXTSEL_TIM4_CC1 6
+#define STM_ADC_CR2_JEXTSEL_TIM4_CC2 7
+#define STM_ADC_CR2_JEXTSEL_TIM4_CC3 8
+#define STM_ADC_CR2_JEXTSEL_TIM10_CC1 9
+#define STM_ADC_CR2_JEXTSEL_TIM7_TRGO 10
+#define STM_ADC_CR2_JEXTSEL_EXTI_15 15
+#define STM_ADC_CR2_JEXTSEL_MASK 15
+#define STM_ADC_CR2_ALIGN 11
+#define STM_ADC_CR2_EOCS 10
+#define STM_ADC_CR2_DDS 9
+#define STM_ADC_CR2_DMA 8
+#define STM_ADC_CR2_DELS 4
+#define STM_ADC_CR2_DELS_NONE 0
+#define STM_ADC_CR2_DELS_UNTIL_READ 1
+#define STM_ADC_CR2_DELS_7 2
+#define STM_ADC_CR2_DELS_15 3
+#define STM_ADC_CR2_DELS_31 4
+#define STM_ADC_CR2_DELS_63 5
+#define STM_ADC_CR2_DELS_127 6
+#define STM_ADC_CR2_DELS_255 7
+#define STM_ADC_CR2_DELS_MASK 7
+#define STM_ADC_CR2_CONT 1
+#define STM_ADC_CR2_ADON 0
+
+#define STM_ADC_CCR_TSVREFE 23
+#define STM_ADC_CCR_ADCPRE 16
+#define STM_ADC_CCR_ADCPRE_HSI_1 0
+#define STM_ADC_CCR_ADCPRE_HSI_2 1
+#define STM_ADC_CCR_ADCPRE_HSI_4 2
+#define STM_ADC_CCR_ADCPRE_MASK 3
+
+struct stm_temp_cal {
+ uint16_t vref;
+ uint16_t ts_cal_cold;
+ uint16_t reserved;
+ uint16_t ts_cal_hot;
+};
+
+extern struct stm_temp_cal stm_temp_cal;
+
+#define stm_temp_cal_cold 25
+#define stm_temp_cal_hot 110
+
+struct stm_dbg_mcu {
+ uint32_t idcode;
+};
+
+extern struct stm_dbg_mcu stm_dbg_mcu;
+
+static inline uint16_t
+stm_dev_id(void) {
+ return stm_dbg_mcu.idcode & 0xfff;
+}
+
+struct stm_flash_size {
+ uint16_t f_size;
+};
+
+extern struct stm_flash_size stm_flash_size_reg;
+#define stm_flash_size_reg (*((struct stm_flash_size *) 0x1ff8007c))
+
+/* Returns flash size in bytes */
+extern uint32_t
+stm_flash_size(void);
+
+struct stm_unique_id {
+ uint32_t u_id0;
+ uint32_t u_id1;
+ uint32_t u_id2;
+};
+
+extern struct stm_unique_id stm_unique_id;
+#define stm_unique_id (*((struct stm_unique_id) 0x1ff80050))
+
+struct stm_device_id {
+ uint32_t device_id;
+};
+
+extern struct stm_device_id stm_device_id;
+#define stm_device_id (*((struct stm_device_id) 0x40015800))
+
+#define STM_NUM_I2C 2
+
+#define STM_I2C_INDEX(channel) ((channel) - 1)
+
+struct stm_i2c {
+ vuint32_t cr1;
+ vuint32_t cr2;
+ vuint32_t oar1;
+ vuint32_t oar2;
+ vuint32_t dr;
+ vuint32_t sr1;
+ vuint32_t sr2;
+ vuint32_t ccr;
+ vuint32_t trise;
+};
+
+extern struct stm_i2c stm_i2c1, stm_i2c2;
+
+#define STM_I2C_CR1_SWRST 15
+#define STM_I2C_CR1_ALERT 13
+#define STM_I2C_CR1_PEC 12
+#define STM_I2C_CR1_POS 11
+#define STM_I2C_CR1_ACK 10
+#define STM_I2C_CR1_STOP 9
+#define STM_I2C_CR1_START 8
+#define STM_I2C_CR1_NOSTRETCH 7
+#define STM_I2C_CR1_ENGC 6
+#define STM_I2C_CR1_ENPEC 5
+#define STM_I2C_CR1_ENARP 4
+#define STM_I2C_CR1_SMBTYPE 3
+#define STM_I2C_CR1_SMBUS 1
+#define STM_I2C_CR1_PE 0
+
+#define STM_I2C_CR2_LAST 12
+#define STM_I2C_CR2_DMAEN 11
+#define STM_I2C_CR2_ITBUFEN 10
+#define STM_I2C_CR2_ITEVTEN 9
+#define STM_I2C_CR2_ITERREN 8
+#define STM_I2C_CR2_FREQ 0
+#define STM_I2C_CR2_FREQ_2_MHZ 2
+#define STM_I2C_CR2_FREQ_4_MHZ 4
+#define STM_I2C_CR2_FREQ_8_MHZ 8
+#define STM_I2C_CR2_FREQ_16_MHZ 16
+#define STM_I2C_CR2_FREQ_24_MHZ 24
+#define STM_I2C_CR2_FREQ_32_MHZ 32
+#define STM_I2C_CR2_FREQ_MASK 0x3f
+
+#define STM_I2C_SR1_SMBALERT 15
+#define STM_I2C_SR1_TIMEOUT 14
+#define STM_I2C_SR1_PECERR 12
+#define STM_I2C_SR1_OVR 11
+#define STM_I2C_SR1_AF 10
+#define STM_I2C_SR1_ARLO 9
+#define STM_I2C_SR1_BERR 8
+#define STM_I2C_SR1_TXE 7
+#define STM_I2C_SR1_RXNE 6
+#define STM_I2C_SR1_STOPF 4
+#define STM_I2C_SR1_ADD10 3
+#define STM_I2C_SR1_BTF 2
+#define STM_I2C_SR1_ADDR 1
+#define STM_I2C_SR1_SB 0
+
+#define STM_I2C_SR2_PEC 8
+#define STM_I2C_SR2_PEC_MASK 0xff00
+#define STM_I2C_SR2_DUALF 7
+#define STM_I2C_SR2_SMBHOST 6
+#define STM_I2C_SR2_SMBDEFAULT 5
+#define STM_I2C_SR2_GENCALL 4
+#define STM_I2C_SR2_TRA 2
+#define STM_I2C_SR2_BUSY 1
+#define STM_I2C_SR2_MSL 0
+
+#define STM_I2C_CCR_FS 15
+#define STM_I2C_CCR_DUTY 14
+#define STM_I2C_CCR_CCR 0
+#define STM_I2C_CCR_MASK 0x7ff
+
+struct stm_tim234 {
+ vuint32_t cr1;
+ vuint32_t cr2;
+ vuint32_t smcr;
+ vuint32_t dier;
+
+ vuint32_t sr;
+ vuint32_t egr;
+ vuint32_t ccmr1;
+ vuint32_t ccmr2;
+
+ vuint32_t ccer;
+ vuint32_t cnt;
+ vuint32_t psc;
+ vuint32_t arr;
+
+ uint32_t reserved_30;
+ vuint32_t ccr1;
+ vuint32_t ccr2;
+ vuint32_t ccr3;
+
+ vuint32_t ccr4;
+ uint32_t reserved_44;
+ vuint32_t dcr;
+ vuint32_t dmar;
+
+ uint32_t reserved_50;
+};
+
+extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
+
+#define STM_TIM234_CR1_CKD 8
+#define STM_TIM234_CR1_CKD_1 0
+#define STM_TIM234_CR1_CKD_2 1
+#define STM_TIM234_CR1_CKD_4 2
+#define STM_TIM234_CR1_CKD_MASK 3
+#define STM_TIM234_CR1_ARPE 7
+#define STM_TIM234_CR1_CMS 5
+#define STM_TIM234_CR1_CMS_EDGE 0
+#define STM_TIM234_CR1_CMS_CENTER_1 1
+#define STM_TIM234_CR1_CMS_CENTER_2 2
+#define STM_TIM234_CR1_CMS_CENTER_3 3
+#define STM_TIM234_CR1_CMS_MASK 3
+#define STM_TIM234_CR1_DIR 4
+#define STM_TIM234_CR1_DIR_UP 0
+#define STM_TIM234_CR1_DIR_DOWN 1
+#define STM_TIM234_CR1_OPM 3
+#define STM_TIM234_CR1_URS 2
+#define STM_TIM234_CR1_UDIS 1
+#define STM_TIM234_CR1_CEN 0
+
+#define STM_TIM234_CR2_TI1S 7
+#define STM_TIM234_CR2_MMS 4
+#define STM_TIM234_CR2_MMS_RESET 0
+#define STM_TIM234_CR2_MMS_ENABLE 1
+#define STM_TIM234_CR2_MMS_UPDATE 2
+#define STM_TIM234_CR2_MMS_COMPARE_PULSE 3
+#define STM_TIM234_CR2_MMS_COMPARE_OC1REF 4
+#define STM_TIM234_CR2_MMS_COMPARE_OC2REF 5
+#define STM_TIM234_CR2_MMS_COMPARE_OC3REF 6
+#define STM_TIM234_CR2_MMS_COMPARE_OC4REF 7
+#define STM_TIM234_CR2_MMS_MASK 7
+#define STM_TIM234_CR2_CCDS 3
+
+#define STM_TIM234_SMCR_ETP 15
+#define STM_TIM234_SMCR_ECE 14
+#define STM_TIM234_SMCR_ETPS 12
+#define STM_TIM234_SMCR_ETPS_OFF 0
+#define STM_TIM234_SMCR_ETPS_DIV_2 1
+#define STM_TIM234_SMCR_ETPS_DIV_4 2
+#define STM_TIM234_SMCR_ETPS_DIV_8 3
+#define STM_TIM234_SMCR_ETPS_MASK 3
+#define STM_TIM234_SMCR_ETF 8
+#define STM_TIM234_SMCR_ETF_NONE 0
+#define STM_TIM234_SMCR_ETF_INT_N_2 1
+#define STM_TIM234_SMCR_ETF_INT_N_4 2
+#define STM_TIM234_SMCR_ETF_INT_N_8 3
+#define STM_TIM234_SMCR_ETF_DTS_2_N_6 4
+#define STM_TIM234_SMCR_ETF_DTS_2_N_8 5
+#define STM_TIM234_SMCR_ETF_DTS_4_N_6 6
+#define STM_TIM234_SMCR_ETF_DTS_4_N_8 7
+#define STM_TIM234_SMCR_ETF_DTS_8_N_6 8
+#define STM_TIM234_SMCR_ETF_DTS_8_N_8 9
+#define STM_TIM234_SMCR_ETF_DTS_16_N_5 10
+#define STM_TIM234_SMCR_ETF_DTS_16_N_6 11
+#define STM_TIM234_SMCR_ETF_DTS_16_N_8 12
+#define STM_TIM234_SMCR_ETF_DTS_32_N_5 13
+#define STM_TIM234_SMCR_ETF_DTS_32_N_6 14
+#define STM_TIM234_SMCR_ETF_DTS_32_N_8 15
+#define STM_TIM234_SMCR_ETF_MASK 15
+#define STM_TIM234_SMCR_MSM 7
+#define STM_TIM234_SMCR_TS 4
+#define STM_TIM234_SMCR_TS_ITR0 0
+#define STM_TIM234_SMCR_TS_ITR1 1
+#define STM_TIM234_SMCR_TS_ITR2 2
+#define STM_TIM234_SMCR_TS_ITR3 3
+#define STM_TIM234_SMCR_TS_TI1F_ED 4
+#define STM_TIM234_SMCR_TS_TI1FP1 5
+#define STM_TIM234_SMCR_TS_TI2FP2 6
+#define STM_TIM234_SMCR_TS_ETRF 7
+#define STM_TIM234_SMCR_TS_MASK 7
+#define STM_TIM234_SMCR_OCCS 3
+#define STM_TIM234_SMCR_SMS 0
+#define STM_TIM234_SMCR_SMS_DISABLE 0
+#define STM_TIM234_SMCR_SMS_ENCODER_MODE_1 1
+#define STM_TIM234_SMCR_SMS_ENCODER_MODE_2 2
+#define STM_TIM234_SMCR_SMS_ENCODER_MODE_3 3
+#define STM_TIM234_SMCR_SMS_RESET_MODE 4
+#define STM_TIM234_SMCR_SMS_GATED_MODE 5
+#define STM_TIM234_SMCR_SMS_TRIGGER_MODE 6
+#define STM_TIM234_SMCR_SMS_EXTERNAL_CLOCK 7
+#define STM_TIM234_SMCR_SMS_MASK 7
+
+#define STM_TIM234_DIER_TDE 14
+#define STM_TIM234_DIER_CC4DE 12
+#define STM_TIM234_DIER_CC3DE 11
+#define STM_TIM234_DIER_CC2DE 10
+#define STM_TIM234_DIER_CC1DE 9
+#define STM_TIM234_DIER_UDE 8
+
+#define STM_TIM234_DIER_TIE 6
+#define STM_TIM234_DIER_CC4IE 4
+#define STM_TIM234_DIER_CC3IE 3
+#define STM_TIM234_DIER_CC2IE 2
+#define STM_TIM234_DIER_CC1IE 1
+#define STM_TIM234_DIER_UIE 0
+
+#define STM_TIM234_SR_CC4OF 12
+#define STM_TIM234_SR_CC3OF 11
+#define STM_TIM234_SR_CC2OF 10
+#define STM_TIM234_SR_CC1OF 9
+#define STM_TIM234_SR_TIF 6
+#define STM_TIM234_SR_CC4IF 4
+#define STM_TIM234_SR_CC3IF 3
+#define STM_TIM234_SR_CC2IF 2
+#define STM_TIM234_SR_CC1IF 1
+#define STM_TIM234_SR_UIF 0
+
+#define STM_TIM234_EGR_TG 6
+#define STM_TIM234_EGR_CC4G 4
+#define STM_TIM234_EGR_CC3G 3
+#define STM_TIM234_EGR_CC2G 2
+#define STM_TIM234_EGR_CC1G 1
+#define STM_TIM234_EGR_UG 0
+
+#define STM_TIM234_CCMR1_OC2CE 15
+#define STM_TIM234_CCMR1_OC2M 12
+#define STM_TIM234_CCMR1_OC2M_FROZEN 0
+#define STM_TIM234_CCMR1_OC2M_SET_HIGH_ON_MATCH 1
+#define STM_TIM234_CCMR1_OC2M_SET_LOW_ON_MATCH 2
+#define STM_TIM234_CCMR1_OC2M_TOGGLE 3
+#define STM_TIM234_CCMR1_OC2M_FORCE_LOW 4
+#define STM_TIM234_CCMR1_OC2M_FORCE_HIGH 5
+#define STM_TIM234_CCMR1_OC2M_PWM_MODE_1 6
+#define STM_TIM234_CCMR1_OC2M_PWM_MODE_2 7
+#define STM_TIM234_CCMR1_OC2M_MASK 7
+#define STM_TIM234_CCMR1_OC2PE 11
+#define STM_TIM234_CCMR1_OC2FE 10
+#define STM_TIM234_CCMR1_CC2S 8
+#define STM_TIM234_CCMR1_CC2S_OUTPUT 0
+#define STM_TIM234_CCMR1_CC2S_INPUT_TI2 1
+#define STM_TIM234_CCMR1_CC2S_INPUT_TI1 2
+#define STM_TIM234_CCMR1_CC2S_INPUT_TRC 3
+#define STM_TIM234_CCMR1_CC2S_MASK 3
+
+#define STM_TIM234_CCMR1_OC1CE 7
+#define STM_TIM234_CCMR1_OC1M 4
+#define STM_TIM234_CCMR1_OC1M_FROZEN 0
+#define STM_TIM234_CCMR1_OC1M_SET_HIGH_ON_MATCH 1
+#define STM_TIM234_CCMR1_OC1M_SET_LOW_ON_MATCH 2
+#define STM_TIM234_CCMR1_OC1M_TOGGLE 3
+#define STM_TIM234_CCMR1_OC1M_FORCE_LOW 4
+#define STM_TIM234_CCMR1_OC1M_FORCE_HIGH 5
+#define STM_TIM234_CCMR1_OC1M_PWM_MODE_1 6
+#define STM_TIM234_CCMR1_OC1M_PWM_MODE_2 7
+#define STM_TIM234_CCMR1_OC1M_MASK 7
+#define STM_TIM234_CCMR1_OC1PE 3
+#define STM_TIM234_CCMR1_OC1FE 2
+#define STM_TIM234_CCMR1_CC1S 0
+#define STM_TIM234_CCMR1_CC1S_OUTPUT 0
+#define STM_TIM234_CCMR1_CC1S_INPUT_TI1 1
+#define STM_TIM234_CCMR1_CC1S_INPUT_TI2 2
+#define STM_TIM234_CCMR1_CC1S_INPUT_TRC 3
+#define STM_TIM234_CCMR1_CC1S_MASK 3
+
+#define STM_TIM234_CCMR1_IC2F 12
+#define STM_TIM234_CCMR1_IC2F_NONE 0
+#define STM_TIM234_CCMR1_IC2F_CK_INT_N_2 1
+#define STM_TIM234_CCMR1_IC2F_CK_INT_N_4 2
+#define STM_TIM234_CCMR1_IC2F_CK_INT_N_8 3
+#define STM_TIM234_CCMR1_IC2F_DTS_2_N_6 4
+#define STM_TIM234_CCMR1_IC2F_DTS_2_N_8 5
+#define STM_TIM234_CCMR1_IC2F_DTS_4_N_6 6
+#define STM_TIM234_CCMR1_IC2F_DTS_4_N_8 7
+#define STM_TIM234_CCMR1_IC2F_DTS_8_N_6 8
+#define STM_TIM234_CCMR1_IC2F_DTS_8_N_8 9
+#define STM_TIM234_CCMR1_IC2F_DTS_16_N_5 10
+#define STM_TIM234_CCMR1_IC2F_DTS_16_N_6 11
+#define STM_TIM234_CCMR1_IC2F_DTS_16_N_8 12
+#define STM_TIM234_CCMR1_IC2F_DTS_32_N_5 13
+#define STM_TIM234_CCMR1_IC2F_DTS_32_N_6 14
+#define STM_TIM234_CCMR1_IC2F_DTS_32_N_8 15
+#define STM_TIM234_CCMR1_IC2PSC 10
+#define STM_TIM234_CCMR1_IC2PSC_NONE 0
+#define STM_TIM234_CCMR1_IC2PSC_2 1
+#define STM_TIM234_CCMR1_IC2PSC_4 2
+#define STM_TIM234_CCMR1_IC2PSC_8 3
+#define STM_TIM234_CCMR1_IC1F 4
+#define STM_TIM234_CCMR1_IC1F_NONE 0
+#define STM_TIM234_CCMR1_IC1F_CK_INT_N_2 1
+#define STM_TIM234_CCMR1_IC1F_CK_INT_N_4 2
+#define STM_TIM234_CCMR1_IC1F_CK_INT_N_8 3
+#define STM_TIM234_CCMR1_IC1F_DTS_2_N_6 4
+#define STM_TIM234_CCMR1_IC1F_DTS_2_N_8 5
+#define STM_TIM234_CCMR1_IC1F_DTS_4_N_6 6
+#define STM_TIM234_CCMR1_IC1F_DTS_4_N_8 7
+#define STM_TIM234_CCMR1_IC1F_DTS_8_N_6 8
+#define STM_TIM234_CCMR1_IC1F_DTS_8_N_8 9
+#define STM_TIM234_CCMR1_IC1F_DTS_16_N_5 10
+#define STM_TIM234_CCMR1_IC1F_DTS_16_N_6 11
+#define STM_TIM234_CCMR1_IC1F_DTS_16_N_8 12
+#define STM_TIM234_CCMR1_IC1F_DTS_32_N_5 13
+#define STM_TIM234_CCMR1_IC1F_DTS_32_N_6 14
+#define STM_TIM234_CCMR1_IC1F_DTS_32_N_8 15
+#define STM_TIM234_CCMR1_IC1PSC 2
+#define STM_TIM234_CCMR1_IC1PSC_NONE 0
+#define STM_TIM234_CCMR1_IC1PSC_2 1
+#define STM_TIM234_CCMR1_IC1PSC_4 2
+#define STM_TIM234_CCMR1_IC1PSC_8 3
+
+#define STM_TIM234_CCMR2_OC4CE 15
+#define STM_TIM234_CCMR2_OC4M 12
+#define STM_TIM234_CCMR2_OC4M_FROZEN 0
+#define STM_TIM234_CCMR2_OC4M_SET_HIGH_ON_MATCH 1
+#define STM_TIM234_CCMR2_OC4M_SET_LOW_ON_MATCH 2
+#define STM_TIM234_CCMR2_OC4M_TOGGLE 3
+#define STM_TIM234_CCMR2_OC4M_FORCE_LOW 4
+#define STM_TIM234_CCMR2_OC4M_FORCE_HIGH 5
+#define STM_TIM234_CCMR2_OC4M_PWM_MODE_1 6
+#define STM_TIM234_CCMR2_OC4M_PWM_MODE_2 7
+#define STM_TIM234_CCMR2_OC4M_MASK 7
+#define STM_TIM234_CCMR2_OC4PE 11
+#define STM_TIM234_CCMR2_OC4FE 10
+#define STM_TIM234_CCMR2_CC4S 8
+#define STM_TIM234_CCMR2_CC4S_OUTPUT 0
+#define STM_TIM234_CCMR2_CC4S_INPUT_TI4 1
+#define STM_TIM234_CCMR2_CC4S_INPUT_TI3 2
+#define STM_TIM234_CCMR2_CC4S_INPUT_TRC 3
+#define STM_TIM234_CCMR2_CC4S_MASK 3
+
+#define STM_TIM234_CCMR2_OC3CE 7
+#define STM_TIM234_CCMR2_OC3M 4
+#define STM_TIM234_CCMR2_OC3M_FROZEN 0
+#define STM_TIM234_CCMR2_OC3M_SET_HIGH_ON_MATCH 1
+#define STM_TIM234_CCMR2_OC3M_SET_LOW_ON_MATCH 2
+#define STM_TIM234_CCMR2_OC3M_TOGGLE 3
+#define STM_TIM234_CCMR2_OC3M_FORCE_LOW 4
+#define STM_TIM234_CCMR2_OC3M_FORCE_HIGH 5
+#define STM_TIM234_CCMR2_OC3M_PWM_MODE_1 6
+#define STM_TIM234_CCMR2_OC3M_PWM_MODE_2 7
+#define STM_TIM234_CCMR2_OC3M_MASK 7
+#define STM_TIM234_CCMR2_OC3PE 3
+#define STM_TIM234_CCMR2_OC3FE 2
+#define STM_TIM234_CCMR2_CC3S 0
+#define STM_TIM234_CCMR2_CC3S_OUTPUT 0
+#define STM_TIM234_CCMR2_CC3S_INPUT_TI3 1
+#define STM_TIM234_CCMR2_CC3S_INPUT_TI4 2
+#define STM_TIM234_CCMR2_CC3S_INPUT_TRC 3
+#define STM_TIM234_CCMR2_CC3S_MASK 3
+
+#define STM_TIM234_CCER_CC4NP 15
+#define STM_TIM234_CCER_CC4P 13
+#define STM_TIM234_CCER_CC4P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC4P_ACTIVE_LOW 1
+#define STM_TIM234_CCER_CC4E 12
+#define STM_TIM234_CCER_CC3NP 11
+#define STM_TIM234_CCER_CC3P 9
+#define STM_TIM234_CCER_CC3P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC3P_ACTIVE_LOW 1
+#define STM_TIM234_CCER_CC3E 8
+#define STM_TIM234_CCER_CC2NP 7
+#define STM_TIM234_CCER_CC2P 5
+#define STM_TIM234_CCER_CC2P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC2P_ACTIVE_LOW 1
+#define STM_TIM234_CCER_CC2E 4
+#define STM_TIM234_CCER_CC1NP 3
+#define STM_TIM234_CCER_CC1P 1
+#define STM_TIM234_CCER_CC1P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC1P_ACTIVE_LOW 1
+#define STM_TIM234_CCER_CC1E 0
+
+struct stm_usb {
+ vuint32_t epr[8];
+ uint8_t reserved_20[0x40 - 0x20];
+ vuint32_t cntr;
+ vuint32_t istr;
+ vuint32_t fnr;
+ vuint32_t daddr;
+ vuint32_t btable;
+};
+
+#define STM_USB_EPR_CTR_RX 15
+#define STM_USB_EPR_CTR_RX_WRITE_INVARIANT 1
+#define STM_USB_EPR_DTOG_RX 14
+#define STM_USB_EPR_DTOG_RX_WRITE_INVARIANT 0
+#define STM_USB_EPR_STAT_RX 12
+#define STM_USB_EPR_STAT_RX_DISABLED 0
+#define STM_USB_EPR_STAT_RX_STALL 1
+#define STM_USB_EPR_STAT_RX_NAK 2
+#define STM_USB_EPR_STAT_RX_VALID 3
+#define STM_USB_EPR_STAT_RX_MASK 3
+#define STM_USB_EPR_STAT_RX_WRITE_INVARIANT 0
+#define STM_USB_EPR_SETUP 11
+#define STM_USB_EPR_EP_TYPE 9
+#define STM_USB_EPR_EP_TYPE_BULK 0
+#define STM_USB_EPR_EP_TYPE_CONTROL 1
+#define STM_USB_EPR_EP_TYPE_ISO 2
+#define STM_USB_EPR_EP_TYPE_INTERRUPT 3
+#define STM_USB_EPR_EP_TYPE_MASK 3
+#define STM_USB_EPR_EP_KIND 8
+#define STM_USB_EPR_EP_KIND_DBL_BUF 1 /* Bulk */
+#define STM_USB_EPR_EP_KIND_STATUS_OUT 1 /* Control */
+#define STM_USB_EPR_CTR_TX 7
+#define STM_USB_CTR_TX_WRITE_INVARIANT 1
+#define STM_USB_EPR_DTOG_TX 6
+#define STM_USB_EPR_DTOG_TX_WRITE_INVARIANT 0
+#define STM_USB_EPR_STAT_TX 4
+#define STM_USB_EPR_STAT_TX_DISABLED 0
+#define STM_USB_EPR_STAT_TX_STALL 1
+#define STM_USB_EPR_STAT_TX_NAK 2
+#define STM_USB_EPR_STAT_TX_VALID 3
+#define STM_USB_EPR_STAT_TX_WRITE_INVARIANT 0
+#define STM_USB_EPR_STAT_TX_MASK 3
+#define STM_USB_EPR_EA 0
+#define STM_USB_EPR_EA_MASK 0xf
+
+#define STM_USB_CNTR_CTRM 15
+#define STM_USB_CNTR_PMAOVRM 14
+#define STM_USB_CNTR_ERRM 13
+#define STM_USB_CNTR_WKUPM 12
+#define STM_USB_CNTR_SUSPM 11
+#define STM_USB_CNTR_RESETM 10
+#define STM_USB_CNTR_SOFM 9
+#define STM_USB_CNTR_ESOFM 8
+#define STM_USB_CNTR_RESUME 4
+#define STM_USB_CNTR_FSUSP 3
+#define STM_USB_CNTR_LP_MODE 2
+#define STM_USB_CNTR_PDWN 1
+#define STM_USB_CNTR_FRES 0
+
+#define STM_USB_ISTR_CTR 15
+#define STM_USB_ISTR_PMAOVR 14
+#define STM_USB_ISTR_ERR 13
+#define STM_USB_ISTR_WKUP 12
+#define STM_USB_ISTR_SUSP 11
+#define STM_USB_ISTR_RESET 10
+#define STM_USB_ISTR_SOF 9
+#define STM_USB_ISTR_ESOF 8
+#define STM_USB_ISTR_DIR 4
+#define STM_USB_ISTR_EP_ID 0
+#define STM_USB_ISTR_EP_ID_MASK 0xf
+
+#define STM_USB_FNR_RXDP 15
+#define STM_USB_FNR_RXDM 14
+#define STM_USB_FNR_LCK 13
+#define STM_USB_FNR_LSOF 11
+#define STM_USB_FNR_LSOF_MASK 0x3
+#define STM_USB_FNR_FN 0
+#define STM_USB_FNR_FN_MASK 0x7ff
+
+#define STM_USB_DADDR_EF 7
+#define STM_USB_DADDR_ADD 0
+#define STM_USB_DADDR_ADD_MASK 0x7f
+
+extern struct stm_usb stm_usb;
+
+union stm_usb_bdt {
+ struct {
+ vuint32_t addr_tx;
+ vuint32_t count_tx;
+ vuint32_t addr_rx;
+ vuint32_t count_rx;
+ } single;
+ struct {
+ vuint32_t addr;
+ vuint32_t count;
+ } double_tx[2];
+ struct {
+ vuint32_t addr;
+ vuint32_t count;
+ } double_rx[2];
+};
+
+#define STM_USB_BDT_COUNT_RX_BL_SIZE 15
+#define STM_USB_BDT_COUNT_RX_NUM_BLOCK 10
+#define STM_USB_BDT_COUNT_RX_NUM_BLOCK_MASK 0x1f
+#define STM_USB_BDT_COUNT_RX_COUNT_RX 0
+#define STM_USB_BDT_COUNT_RX_COUNT_RX_MASK 0x1ff
+
+#define STM_USB_BDT_SIZE 8
+
+extern uint8_t stm_usb_sram[] __attribute__ ((aligned(4)));
+
+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;
+
+#endif /* _STM32L0_H_ */
projects / fw / altos / blobdiff