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Diffstat (limited to 'drivers_nrf/hal/nrf_usbd.h')
| -rw-r--r-- | drivers_nrf/hal/nrf_usbd.h | 1334 |
1 files changed, 1334 insertions, 0 deletions
diff --git a/drivers_nrf/hal/nrf_usbd.h b/drivers_nrf/hal/nrf_usbd.h new file mode 100644 index 0000000..53fd5d7 --- /dev/null +++ b/drivers_nrf/hal/nrf_usbd.h @@ -0,0 +1,1334 @@ +/** + * Copyright (c) 2017 - 2017, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef NRF_USBD_H__ +#define NRF_USBD_H__ + +/** + * @ingroup nrf_drivers + * @defgroup nrf_usbd_hal USBD HAL + * @{ + * + * @brief @tagAPI52840 Hardware access layer for Two Wire Interface Slave with EasyDMA + * (USBD) peripheral. + */ + +#include "nrf_peripherals.h" +#include "nrf.h" +#include "nrf_assert.h" +#include <stdint.h> +#include <stddef.h> +#include <stdbool.h> + +/** + * @brief USBD tasks + */ +typedef enum +{ + /*lint -save -e30*/ + NRF_USBD_TASK_STARTEPIN0 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[0] ), /**< Captures the EPIN[0].PTR, EPIN[0].MAXCNT and EPIN[0].CONFIG registers values, and enables control endpoint IN 0 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN1 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[1] ), /**< Captures the EPIN[1].PTR, EPIN[1].MAXCNT and EPIN[1].CONFIG registers values, and enables data endpoint IN 1 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN2 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[2] ), /**< Captures the EPIN[2].PTR, EPIN[2].MAXCNT and EPIN[2].CONFIG registers values, and enables data endpoint IN 2 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN3 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[3] ), /**< Captures the EPIN[3].PTR, EPIN[3].MAXCNT and EPIN[3].CONFIG registers values, and enables data endpoint IN 3 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN4 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[4] ), /**< Captures the EPIN[4].PTR, EPIN[4].MAXCNT and EPIN[4].CONFIG registers values, and enables data endpoint IN 4 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN5 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[5] ), /**< Captures the EPIN[5].PTR, EPIN[5].MAXCNT and EPIN[5].CONFIG registers values, and enables data endpoint IN 5 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN6 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[6] ), /**< Captures the EPIN[6].PTR, EPIN[6].MAXCNT and EPIN[6].CONFIG registers values, and enables data endpoint IN 6 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPIN7 = offsetof(NRF_USBD_Type, TASKS_STARTEPIN[7] ), /**< Captures the EPIN[7].PTR, EPIN[7].MAXCNT and EPIN[7].CONFIG registers values, and enables data endpoint IN 7 to respond to traffic from host */ + NRF_USBD_TASK_STARTISOIN = offsetof(NRF_USBD_Type, TASKS_STARTISOIN ), /**< Captures the ISOIN.PTR, ISOIN.MAXCNT and ISOIN.CONFIG registers values, and enables sending data on iso endpoint 8 */ + NRF_USBD_TASK_STARTEPOUT0 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[0]), /**< Captures the EPOUT[0].PTR, EPOUT[0].MAXCNT and EPOUT[0].CONFIG registers values, and enables control endpoint 0 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT1 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[1]), /**< Captures the EPOUT[1].PTR, EPOUT[1].MAXCNT and EPOUT[1].CONFIG registers values, and enables data endpoint 1 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT2 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[2]), /**< Captures the EPOUT[2].PTR, EPOUT[2].MAXCNT and EPOUT[2].CONFIG registers values, and enables data endpoint 2 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT3 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[3]), /**< Captures the EPOUT[3].PTR, EPOUT[3].MAXCNT and EPOUT[3].CONFIG registers values, and enables data endpoint 3 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT4 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[4]), /**< Captures the EPOUT[4].PTR, EPOUT[4].MAXCNT and EPOUT[4].CONFIG registers values, and enables data endpoint 4 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT5 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[5]), /**< Captures the EPOUT[5].PTR, EPOUT[5].MAXCNT and EPOUT[5].CONFIG registers values, and enables data endpoint 5 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT6 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[6]), /**< Captures the EPOUT[6].PTR, EPOUT[6].MAXCNT and EPOUT[6].CONFIG registers values, and enables data endpoint 6 to respond to traffic from host */ + NRF_USBD_TASK_STARTEPOUT7 = offsetof(NRF_USBD_Type, TASKS_STARTEPOUT[7]), /**< Captures the EPOUT[7].PTR, EPOUT[7].MAXCNT and EPOUT[7].CONFIG registers values, and enables data endpoint 7 to respond to traffic from host */ + NRF_USBD_TASK_STARTISOOUT = offsetof(NRF_USBD_Type, TASKS_STARTISOOUT ), /**< Captures the ISOOUT.PTR, ISOOUT.MAXCNT and ISOOUT.CONFIG registers values, and enables receiving of data on iso endpoint 8 */ + NRF_USBD_TASK_EP0RCVOUT = offsetof(NRF_USBD_Type, TASKS_EP0RCVOUT ), /**< Allows OUT data stage on control endpoint 0 */ + NRF_USBD_TASK_EP0STATUS = offsetof(NRF_USBD_Type, TASKS_EP0STATUS ), /**< Allows status stage on control endpoint 0 */ + NRF_USBD_TASK_EP0STALL = offsetof(NRF_USBD_Type, TASKS_EP0STALL ), /**< STALLs data and status stage on control endpoint 0 */ + NRF_USBD_TASK_DRIVEDPDM = offsetof(NRF_USBD_Type, TASKS_DPDMDRIVE ), /**< Forces D+ and D-lines to the state defined in the DPDMVALUE register */ + NRF_USBD_TASK_NODRIVEDPDM = offsetof(NRF_USBD_Type, TASKS_DPDMNODRIVE ), /**< Stops forcing D+ and D- lines to any state (USB engine takes control) */ + /*lint -restore*/ +}nrf_usbd_task_t; + +/** + * @brief USBD events + */ +typedef enum +{ + /*lint -save -e30*/ + NRF_USBD_EVENT_USBRESET = offsetof(NRF_USBD_Type, EVENTS_USBRESET ), /**< Signals that a USB reset condition has been detected on the USB lines */ + NRF_USBD_EVENT_STARTED = offsetof(NRF_USBD_Type, EVENTS_STARTED ), /**< Confirms that the EPIN[n].PTR, EPIN[n].MAXCNT, EPIN[n].CONFIG, or EPOUT[n].PTR, EPOUT[n].MAXCNT and EPOUT[n].CONFIG registers have been captured on all endpoints reported in the EPSTATUS register */ + NRF_USBD_EVENT_ENDEPIN0 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[0] ), /**< The whole EPIN[0] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN1 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[1] ), /**< The whole EPIN[1] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN2 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[2] ), /**< The whole EPIN[2] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN3 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[3] ), /**< The whole EPIN[3] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN4 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[4] ), /**< The whole EPIN[4] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN5 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[5] ), /**< The whole EPIN[5] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN6 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[6] ), /**< The whole EPIN[6] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPIN7 = offsetof(NRF_USBD_Type, EVENTS_ENDEPIN[7] ), /**< The whole EPIN[7] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_EP0DATADONE = offsetof(NRF_USBD_Type, EVENTS_EP0DATADONE), /**< An acknowledged data transfer has taken place on the control endpoint */ + NRF_USBD_EVENT_ENDISOIN0 = offsetof(NRF_USBD_Type, EVENTS_ENDISOIN ), /**< The whole ISOIN buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT0 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[0]), /**< The whole EPOUT[0] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT1 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[1]), /**< The whole EPOUT[1] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT2 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[2]), /**< The whole EPOUT[2] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT3 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[3]), /**< The whole EPOUT[3] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT4 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[4]), /**< The whole EPOUT[4] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT5 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[5]), /**< The whole EPOUT[5] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT6 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[6]), /**< The whole EPOUT[6] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDEPOUT7 = offsetof(NRF_USBD_Type, EVENTS_ENDEPOUT[7]), /**< The whole EPOUT[7] buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_ENDISOOUT0 = offsetof(NRF_USBD_Type, EVENTS_ENDISOOUT ), /**< The whole ISOOUT buffer has been consumed. The RAM buffer can be accessed safely by software. */ + NRF_USBD_EVENT_SOF = offsetof(NRF_USBD_Type, EVENTS_SOF ), /**< Signals that a SOF (start of frame) condition has been detected on the USB lines */ + NRF_USBD_EVENT_USBEVENT = offsetof(NRF_USBD_Type, EVENTS_USBEVENT ), /**< An event or an error not covered by specific events has occurred, check EVENTCAUSE register to find the cause */ + NRF_USBD_EVENT_EP0SETUP = offsetof(NRF_USBD_Type, EVENTS_EP0SETUP ), /**< A valid SETUP token has been received (and acknowledged) on the control endpoint */ + NRF_USBD_EVENT_DATAEP = offsetof(NRF_USBD_Type, EVENTS_EPDATA ), /**< A data transfer has occurred on a data endpoint, indicated by the EPDATASTATUS register */ + NRF_USBD_EVENT_ACCESSFAULT = offsetof(NRF_USBD_Type, EVENTS_ACCESSFAULT), /**< >Access to an unavailable USB register has been attempted (software or EasyDMA) */ + /*lint -restore*/ +}nrf_usbd_event_t; + +/** + * @brief USBD shorts + */ +typedef enum +{ + NRF_USBD_SHORT_EP0DATADONE_STARTEPIN0_MASK = USBD_SHORTS_EP0DATADONE_STARTEPIN0_Msk , /**< Shortcut between EP0DATADONE event and STARTEPIN0 task */ + NRF_USBD_SHORT_EP0DATADONE_STARTEPOUT0_MASK = USBD_SHORTS_EP0DATADONE_STARTEPOUT0_Msk, /**< Shortcut between EP0DATADONE event and STARTEPOUT0 task */ + NRF_USBD_SHORT_EP0DATADONE_EP0STATUS_MASK = USBD_SHORTS_EP0DATADONE_EP0STATUS_Msk , /**< Shortcut between EP0DATADONE event and EP0STATUS task */ + NRF_USBD_SHORT_ENDEPOUT0_EP0STATUS_MASK = USBD_SHORTS_ENDEPOUT0_EP0STATUS_Msk , /**< Shortcut between ENDEPOUT[0] event and EP0STATUS task */ + NRF_USBD_SHORT_ENDEPOUT0_EP0RCVOUT_MASK = USBD_SHORTS_ENDEPOUT0_EP0RCVOUT_Msk , /**< Shortcut between ENDEPOUT[0] event and EP0RCVOUT task */ +}nrf_usbd_short_mask_t; + +/** + * @brief USBD interrupts + */ +typedef enum +{ + NRF_USBD_INT_USBRESET_MASK = USBD_INTEN_USBRESET_Msk , /**< Enable or disable interrupt for USBRESET event */ + NRF_USBD_INT_STARTED_MASK = USBD_INTEN_STARTED_Msk , /**< Enable or disable interrupt for STARTED event */ + NRF_USBD_INT_ENDEPIN0_MASK = USBD_INTEN_ENDEPIN0_Msk , /**< Enable or disable interrupt for ENDEPIN[0] event */ + NRF_USBD_INT_ENDEPIN1_MASK = USBD_INTEN_ENDEPIN1_Msk , /**< Enable or disable interrupt for ENDEPIN[1] event */ + NRF_USBD_INT_ENDEPIN2_MASK = USBD_INTEN_ENDEPIN2_Msk , /**< Enable or disable interrupt for ENDEPIN[2] event */ + NRF_USBD_INT_ENDEPIN3_MASK = USBD_INTEN_ENDEPIN3_Msk , /**< Enable or disable interrupt for ENDEPIN[3] event */ + NRF_USBD_INT_ENDEPIN4_MASK = USBD_INTEN_ENDEPIN4_Msk , /**< Enable or disable interrupt for ENDEPIN[4] event */ + NRF_USBD_INT_ENDEPIN5_MASK = USBD_INTEN_ENDEPIN5_Msk , /**< Enable or disable interrupt for ENDEPIN[5] event */ + NRF_USBD_INT_ENDEPIN6_MASK = USBD_INTEN_ENDEPIN6_Msk , /**< Enable or disable interrupt for ENDEPIN[6] event */ + NRF_USBD_INT_ENDEPIN7_MASK = USBD_INTEN_ENDEPIN7_Msk , /**< Enable or disable interrupt for ENDEPIN[7] event */ + NRF_USBD_INT_EP0DATADONE_MASK = USBD_INTEN_EP0DATADONE_Msk, /**< Enable or disable interrupt for EP0DATADONE event */ + NRF_USBD_INT_ENDISOIN0_MASK = USBD_INTEN_ENDISOIN_Msk , /**< Enable or disable interrupt for ENDISOIN[0] event */ + NRF_USBD_INT_ENDEPOUT0_MASK = USBD_INTEN_ENDEPOUT0_Msk , /**< Enable or disable interrupt for ENDEPOUT[0] event */ + NRF_USBD_INT_ENDEPOUT1_MASK = USBD_INTEN_ENDEPOUT1_Msk , /**< Enable or disable interrupt for ENDEPOUT[1] event */ + NRF_USBD_INT_ENDEPOUT2_MASK = USBD_INTEN_ENDEPOUT2_Msk , /**< Enable or disable interrupt for ENDEPOUT[2] event */ + NRF_USBD_INT_ENDEPOUT3_MASK = USBD_INTEN_ENDEPOUT3_Msk , /**< Enable or disable interrupt for ENDEPOUT[3] event */ + NRF_USBD_INT_ENDEPOUT4_MASK = USBD_INTEN_ENDEPOUT4_Msk , /**< Enable or disable interrupt for ENDEPOUT[4] event */ + NRF_USBD_INT_ENDEPOUT5_MASK = USBD_INTEN_ENDEPOUT5_Msk , /**< Enable or disable interrupt for ENDEPOUT[5] event */ + NRF_USBD_INT_ENDEPOUT6_MASK = USBD_INTEN_ENDEPOUT6_Msk , /**< Enable or disable interrupt for ENDEPOUT[6] event */ + NRF_USBD_INT_ENDEPOUT7_MASK = USBD_INTEN_ENDEPOUT7_Msk , /**< Enable or disable interrupt for ENDEPOUT[7] event */ + NRF_USBD_INT_ENDISOOUT0_MASK = USBD_INTEN_ENDISOOUT_Msk , /**< Enable or disable interrupt for ENDISOOUT[0] event */ + NRF_USBD_INT_SOF_MASK = USBD_INTEN_SOF_Msk , /**< Enable or disable interrupt for SOF event */ + NRF_USBD_INT_USBEVENT_MASK = USBD_INTEN_USBEVENT_Msk , /**< Enable or disable interrupt for USBEVENT event */ + NRF_USBD_INT_EP0SETUP_MASK = USBD_INTEN_EP0SETUP_Msk , /**< Enable or disable interrupt for EP0SETUP event */ + NRF_USBD_INT_DATAEP_MASK = USBD_INTEN_EPDATA_Msk , /**< Enable or disable interrupt for EPDATA event */ + NRF_USBD_INT_ACCESSFAULT_MASK = USBD_INTEN_ACCESSFAULT_Msk, /**< Enable or disable interrupt for ACCESSFAULT event */ +}nrf_usbd_int_mask_t; + + +/** + * @brief Function for activating a specific USBD task. + * + * @param task Task. + */ +__STATIC_INLINE void nrf_usbd_task_trigger(nrf_usbd_task_t task); + +/** + * @brief Function for returning the address of a specific USBD task register. + * + * @param task Task. + * + * @return Task address. + */ +__STATIC_INLINE uint32_t nrf_usbd_task_address_get(nrf_usbd_task_t task); + +/** + * @brief Function for clearing a specific event. + * + * @param event Event. + */ +__STATIC_INLINE void nrf_usbd_event_clear(nrf_usbd_event_t event); + +/** + * @brief Function for returning the state of a specific event. + * + * @param event Event. + * + * @retval true If the event is set. + * @retval false If the event is not set. + */ +__STATIC_INLINE bool nrf_usbd_event_check(nrf_usbd_event_t event); + +/** + * @brief Function for getting and clearing the state of specific event + * + * This function checks the state of the event and clears it. + * + * @param event Event. + * + * @retval true If the event was set. + * @retval false If the event was not set. + */ +__STATIC_INLINE bool nrf_usbd_event_get_and_clear(nrf_usbd_event_t event); + +/** + * @brief Function for returning the address of a specific USBD event register. + * + * @param event Event. + * + * @return Address. + */ +__STATIC_INLINE uint32_t nrf_usbd_event_address_get(nrf_usbd_event_t event); + +/** + * @brief Function for setting a shortcut. + * + * @param short_mask Shortcuts mask. + */ +__STATIC_INLINE void nrf_usbd_shorts_enable(uint32_t short_mask); + +/** + * @brief Function for clearing shortcuts. + * + * @param short_mask Shortcuts mask. + */ +__STATIC_INLINE void nrf_usbd_shorts_disable(uint32_t short_mask); + +/** + * @brief Get the shorts mask + * + * Function returns shorts register. + * + * @return Flags of currently enabled shortcuts + */ +__STATIC_INLINE uint32_t nrf_usbd_shorts_get(void); + +/** + * @brief Function for enabling selected interrupts. + * + * @param int_mask Interrupts mask. + */ +__STATIC_INLINE void nrf_usbd_int_enable(uint32_t int_mask); + +/** + * @brief Function for retrieving the state of selected interrupts. + * + * @param int_mask Interrupts mask. + * + * @retval true If any of selected interrupts is enabled. + * @retval false If none of selected interrupts is enabled. + */ +__STATIC_INLINE bool nrf_usbd_int_enable_check(uint32_t int_mask); + +/** + * @brief Function for retrieving the information about enabled interrupts. + * + * @return The flags of enabled interrupts. + */ +__STATIC_INLINE uint32_t nrf_usbd_int_enable_get(void); + +/** + * @brief Function for disabling selected interrupts. + * + * @param int_mask Interrupts mask. + */ +__STATIC_INLINE void nrf_usbd_int_disable(uint32_t int_mask); + + +/** @} */ /* End of nrf_usbd_hal */ + + +#ifndef SUPPRESS_INLINE_IMPLEMENTATION + +/* ------------------------------------------------------------------------------------------------ + * Internal functions + */ + +/** + * @internal + * @brief Internal function for getting task/event register address + * + * @oaram offset Offset of the register from the instance beginning + * + * @attention offset has to be modulo 4 value. In other case we can get hardware fault. + * @return Pointer to the register + */ +__STATIC_INLINE volatile uint32_t* nrf_usbd_getRegPtr(uint32_t offset) +{ + return (volatile uint32_t*)(((uint8_t *)NRF_USBD) + (uint32_t)offset); +} + +/** + * @internal + * @brief Internal function for getting task/event register address - constant version + * + * @oaram offset Offset of the register from the instance beginning + * + * @attention offset has to be modulo 4 value. In other case we can get hardware fault. + * @return Pointer to the register + */ +__STATIC_INLINE volatile const uint32_t* nrf_usbd_getRegPtr_c(uint32_t offset) +{ + return (volatile const uint32_t*)(((uint8_t *)NRF_USBD) + (uint32_t)offset); +} + +/* ------------------------------------------------------------------------------------------------ + * Interface functions definitions + */ + +void nrf_usbd_task_trigger(nrf_usbd_task_t task) +{ + *(nrf_usbd_getRegPtr((uint32_t)task)) = 1UL; + __ISB(); + __DSB(); +} + +uint32_t nrf_usbd_task_address_get(nrf_usbd_task_t task) +{ + return (uint32_t)nrf_usbd_getRegPtr_c((uint32_t)task); +} + +void nrf_usbd_event_clear(nrf_usbd_event_t event) +{ + *(nrf_usbd_getRegPtr((uint32_t)event)) = 0UL; + __ISB(); + __DSB(); +} + +bool nrf_usbd_event_check(nrf_usbd_event_t event) +{ + return (bool)*nrf_usbd_getRegPtr_c((uint32_t)event); +} + +bool nrf_usbd_event_get_and_clear(nrf_usbd_event_t event) +{ + bool ret = nrf_usbd_event_check(event); + if (ret) + { + nrf_usbd_event_clear(event); + } + return ret; +} + +uint32_t nrf_usbd_event_address_get(nrf_usbd_event_t event) +{ + return (uint32_t)nrf_usbd_getRegPtr_c((uint32_t)event); +} + +void nrf_usbd_shorts_enable(uint32_t short_mask) +{ + NRF_USBD->SHORTS |= short_mask; +} + +void nrf_usbd_shorts_disable(uint32_t short_mask) +{ + if (~0U == short_mask) + { + /* Optimized version for "disable all" */ + NRF_USBD->SHORTS = 0; + } + else + { + NRF_USBD->SHORTS &= ~short_mask; + } +} + +uint32_t nrf_usbd_shorts_get(void) +{ + return NRF_USBD->SHORTS; +} + +void nrf_usbd_int_enable(uint32_t int_mask) +{ + NRF_USBD->INTENSET = int_mask; +} + +bool nrf_usbd_int_enable_check(uint32_t int_mask) +{ + return !!(NRF_USBD->INTENSET & int_mask); +} + +uint32_t nrf_usbd_int_enable_get(void) +{ + return NRF_USBD->INTENSET; +} + +void nrf_usbd_int_disable(uint32_t int_mask) +{ + NRF_USBD->INTENCLR = int_mask; +} + +#endif /* SUPPRESS_INLINE_IMPLEMENTATION */ + +/* ------------------------------------------------------------------------------------------------ + * End of automatically generated part + * ------------------------------------------------------------------------------------------------ + */ +/** + * @ingroup nrf_usbd_hal + * @{ + */ + +/** + * @brief Frame counter size + * + * The number of counts that can be fitted into frame counter + */ +#define NRF_USBD_FRAMECNTR_SIZE \ + ( (USBD_FRAMECNTR_FRAMECNTR_Msk >> USBD_FRAMECNTR_FRAMECNTR_Pos) + 1UL ) +#ifndef USBD_FRAMECNTR_FRAMECNTR_Msk +#error USBD_FRAMECNTR_FRAMECNTR_Msk should be changed into USBD_FRAMECNTR_FRAMECNTR_Msk +#endif + +/** + * @brief First isochronous endpoint number + * + * The number of the first isochronous endpoint + */ +#define NRF_USBD_EPISO_FIRST 8 + +/** + * @brief Total number of IN endpoints + * + * Total number of IN endpoint (including ISOCHRONOUS). + */ +#define NRF_USBD_EPIN_CNT 9 + +/** + * @brief Total number of OUT endpoints + * + * Total number of OUT endpoint (including ISOCHRONOUS). + */ +#define NRF_USBD_EPOUT_CNT 9 + +/** + * @brief Mask of the direction bit in endpoint number + */ +#define NRF_USBD_EP_DIR_Msk (1U << 7) + +/** + * @brief The value of direction bit for IN endpoint direction + */ +#define NRF_USBD_EP_DIR_IN (1U << 7) + +/** + * @brief The value of direction bit for OUT endpoint direction + */ +#define NRF_USBD_EP_DIR_OUT (0U << 7) + +/** + * @brief Macro for making IN endpoint identifier from endpoint number + * + * Macro that sets direction bit to make IN endpoint + * @param[in] epnr Endpoint number + * @return IN Endpoint identifier + */ +#define NRF_USBD_EPIN(epnr) (((uint8_t)(epnr)) | NRF_USBD_EP_DIR_IN) + +/** + * @brief Macro for making OUT endpoint identifier from endpoint number + * + * Macro that sets direction bit to make OUT endpoint + * @param[in] epnr Endpoint number + * @return OUT Endpoint identifier + */ +#define NRF_USBD_EPOUT(epnr) (((uint8_t)(epnr)) | NRF_USBD_EP_DIR_OUT) + +/** + * @brief Macro for extracting the endpoint number from endpoint identifier + * + * Macro that strips out the information about endpoint direction. + * @param[in] ep Endpoint identifier + * @return Endpoint number + */ +#define NRF_USBD_EP_NR_GET(ep) ((uint8_t)(((uint8_t)(ep)) & 0xFU)) + +/** + * @brief Macro for checking endpoint direction + * + * This macro checks if given endpoint has IN direction + * @param ep Endpoint identifier + * @retval true If the endpoint direction is IN + * @retval false If the endpoint direction is OUT + */ +#define NRF_USBD_EPIN_CHECK(ep) ( (((uint8_t)(ep)) & NRF_USBD_EP_DIR_Msk) == NRF_USBD_EP_DIR_IN ) + +/** + * @brief Macro for checking endpoint direction + * + * This macro checks if given endpoint has OUT direction + * @param ep Endpoint identifier + * @retval true If the endpoint direction is OUT + * @retval false If the endpoint direction is IN + */ +#define NRF_USBD_EPOUT_CHECK(ep) ( (((uint8_t)(ep)) & NRF_USBD_EP_DIR_Msk) == NRF_USBD_EP_DIR_OUT ) + +/** + * @brief Macro for checking if endpoint is isochronous + * + * @param ep It can be endpoint identifier or just endpoint number to check + * @retval true The endpoint is isochronous type + * @retval false The endpoint is bulk of interrupt type + */ +#define NRF_USBD_EPISO_CHECK(ep) (NRF_USBD_EP_NR_GET(ep) >= NRF_USBD_EPISO_FIRST) + +/** + * @brief Macro for checking if given number is valid endpoint number + * + * @param ep Endpoint number to check + * @retval true The endpoint is valid + * @retval false The endpoint is not valid + */ +#define NRF_USBD_EP_VALIDATE(ep) ( \ + (NRF_USBD_EPIN_CHECK(ep) && (NRF_USBD_EP_NR_GET(ep) < NRF_USBD_EPIN_CNT)) \ + || \ + (NRF_USBD_EPOUT_CHECK(ep) && (NRF_USBD_EP_NR_GET(ep) < NRF_USBD_EPOUT_CNT)) \ + ) + + +/** + * @brief EVENTCAUSE register bit masks + */ +typedef enum +{ + NRF_USBD_EVENTCAUSE_ISOOUTCRC_MASK = USBD_EVENTCAUSE_ISOOUTCRC_Msk, /**< CRC error was detected on isochronous OUT endpoint 8. */ + NRF_USBD_EVENTCAUSE_SUSPEND_MASK = USBD_EVENTCAUSE_SUSPEND_Msk , /**< Signals that the USB lines have been seen idle long enough for the device to enter suspend. */ + NRF_USBD_EVENTCAUSE_RESUME_MASK = USBD_EVENTCAUSE_RESUME_Msk , /**< Signals that a RESUME condition (K state or activity restart) has been detected on the USB lines. */ + NRF_USBD_EVENTCAUSE_READY_MASK = USBD_EVENTCAUSE_READY_Msk /**< MAC is ready for normal operation, rised few us after USBD enabling */ +}nrf_usbd_eventcause_mask_t; + +/** + * @brief BUSSTATE register bit masks + */ +typedef enum +{ + NRF_USBD_BUSSTATE_DM_MASK = USBD_BUSSTATE_DM_Msk, /**< Negative line mask */ + NRF_USBD_BUSSTATE_DP_MASK = USBD_BUSSTATE_DP_Msk, /**< Positive line mask */ + /** Both lines are low */ + NRF_USBD_BUSSTATE_DPDM_LL = (USBD_BUSSTATE_DM_Low << USBD_BUSSTATE_DM_Pos) | (USBD_BUSSTATE_DP_Low << USBD_BUSSTATE_DP_Pos), + /** Positive line is high, negative line is low */ + NRF_USBD_BUSSTATE_DPDM_HL = (USBD_BUSSTATE_DM_Low << USBD_BUSSTATE_DM_Pos) | (USBD_BUSSTATE_DP_High << USBD_BUSSTATE_DP_Pos), + /** Positive line is low, negative line is high */ + NRF_USBD_BUSSTATE_DPDM_LH = (USBD_BUSSTATE_DM_High << USBD_BUSSTATE_DM_Pos) | (USBD_BUSSTATE_DP_Low << USBD_BUSSTATE_DP_Pos), + /** Both lines are high */ + NRF_USBD_BUSSTATE_DPDM_HH = (USBD_BUSSTATE_DM_High << USBD_BUSSTATE_DM_Pos) | (USBD_BUSSTATE_DP_High << USBD_BUSSTATE_DP_Pos), + /** J state */ + NRF_USBD_BUSSTATE_J = NRF_USBD_BUSSTATE_DPDM_HL, + /** K state */ + NRF_USBD_BUSSTATE_K = NRF_USBD_BUSSTATE_DPDM_LH, + /** Single ended 0 */ + NRF_USBD_BUSSTATE_SE0 = NRF_USBD_BUSSTATE_DPDM_LL, + /** Single ended 1 */ + NRF_USBD_BUSSTATE_SE1 = NRF_USBD_BUSSTATE_DPDM_HH +}nrf_usbd_busstate_t; + +/** + * @brief DPDMVALUE register + */ +typedef enum +{ + /**Generate Resume signal. Signal is generated for 50 us or 5 ms, + * depending on bus state */ + NRF_USBD_DPDMVALUE_RESUME = USBD_DPDMVALUE_STATE_Resume, + /** D+ Forced high, D- forced low (J state) */ + NRF_USBD_DPDMVALUE_J = USBD_DPDMVALUE_STATE_J, + /** D+ Forced low, D- forced high (K state) */ + NRF_USBD_DPMVALUE_K = USBD_DPDMVALUE_STATE_K +}nrf_usbd_dpdmvalue_t; + +/** + * @brief Dtoggle value or operation + */ +typedef enum +{ + NRF_USBD_DTOGGLE_NOP = USBD_DTOGGLE_VALUE_Nop, /**< No operation - do not change current data toggle on selected endpoint */ + NRF_USBD_DTOGGLE_DATA0 = USBD_DTOGGLE_VALUE_Data0,/**< Data toggle is DATA0 on selected endpoint */ + NRF_USBD_DTOGGLE_DATA1 = USBD_DTOGGLE_VALUE_Data1 /**< Data toggle is DATA1 on selected endpoint */ +}nrf_usbd_dtoggle_t; + +/** + * @brief EPSTATUS bit masks + */ +typedef enum +{ + NRF_USBD_EPSTATUS_EPIN0_MASK = USBD_EPSTATUS_EPIN0_Msk, + NRF_USBD_EPSTATUS_EPIN1_MASK = USBD_EPSTATUS_EPIN1_Msk, + NRF_USBD_EPSTATUS_EPIN2_MASK = USBD_EPSTATUS_EPIN2_Msk, + NRF_USBD_EPSTATUS_EPIN3_MASK = USBD_EPSTATUS_EPIN3_Msk, + NRF_USBD_EPSTATUS_EPIN4_MASK = USBD_EPSTATUS_EPIN4_Msk, + NRF_USBD_EPSTATUS_EPIN5_MASK = USBD_EPSTATUS_EPIN5_Msk, + NRF_USBD_EPSTATUS_EPIN6_MASK = USBD_EPSTATUS_EPIN6_Msk, + NRF_USBD_EPSTATUS_EPIN7_MASK = USBD_EPSTATUS_EPIN7_Msk, + + NRF_USBD_EPSTATUS_EPOUT0_MASK = USBD_EPSTATUS_EPOUT0_Msk, + NRF_USBD_EPSTATUS_EPOUT1_MASK = USBD_EPSTATUS_EPOUT1_Msk, + NRF_USBD_EPSTATUS_EPOUT2_MASK = USBD_EPSTATUS_EPOUT2_Msk, + NRF_USBD_EPSTATUS_EPOUT3_MASK = USBD_EPSTATUS_EPOUT3_Msk, + NRF_USBD_EPSTATUS_EPOUT4_MASK = USBD_EPSTATUS_EPOUT4_Msk, + NRF_USBD_EPSTATUS_EPOUT5_MASK = USBD_EPSTATUS_EPOUT5_Msk, + NRF_USBD_EPSTATUS_EPOUT6_MASK = USBD_EPSTATUS_EPOUT6_Msk, + NRF_USBD_EPSTATUS_EPOUT7_MASK = USBD_EPSTATUS_EPOUT7_Msk, +}nrf_usbd_epstatus_mask_t; + +/** + * @brief DATAEPSTATUS bit masks + */ +typedef enum +{ + NRF_USBD_EPDATASTATUS_EPIN1_MASK = USBD_EPDATASTATUS_EPIN1_Msk, + NRF_USBD_EPDATASTATUS_EPIN2_MASK = USBD_EPDATASTATUS_EPIN2_Msk, + NRF_USBD_EPDATASTATUS_EPIN3_MASK = USBD_EPDATASTATUS_EPIN3_Msk, + NRF_USBD_EPDATASTATUS_EPIN4_MASK = USBD_EPDATASTATUS_EPIN4_Msk, + NRF_USBD_EPDATASTATUS_EPIN5_MASK = USBD_EPDATASTATUS_EPIN5_Msk, + NRF_USBD_EPDATASTATUS_EPIN6_MASK = USBD_EPDATASTATUS_EPIN6_Msk, + NRF_USBD_EPDATASTATUS_EPIN7_MASK = USBD_EPDATASTATUS_EPIN7_Msk, + + NRF_USBD_EPDATASTATUS_EPOUT1_MASK = USBD_EPDATASTATUS_EPOUT1_Msk, + NRF_USBD_EPDATASTATUS_EPOUT2_MASK = USBD_EPDATASTATUS_EPOUT2_Msk, + NRF_USBD_EPDATASTATUS_EPOUT3_MASK = USBD_EPDATASTATUS_EPOUT3_Msk, + NRF_USBD_EPDATASTATUS_EPOUT4_MASK = USBD_EPDATASTATUS_EPOUT4_Msk, + NRF_USBD_EPDATASTATUS_EPOUT5_MASK = USBD_EPDATASTATUS_EPOUT5_Msk, + NRF_USBD_EPDATASTATUS_EPOUT6_MASK = USBD_EPDATASTATUS_EPOUT6_Msk, + NRF_USBD_EPDATASTATUS_EPOUT7_MASK = USBD_EPDATASTATUS_EPOUT7_Msk, +}nrf_usbd_dataepstatus_mask_t; + +/** + * @brief ISOSPLIT configurations + */ +typedef enum +{ + NRF_USBD_ISOSPLIT_OneDir = USBD_ISOSPLIT_SPLIT_OneDir, /**< Full buffer dedicated to either iso IN or OUT */ + NRF_USBD_ISOSPLIT_Half = USBD_ISOSPLIT_SPLIT_HalfIN, /**< Buffer divided in half */ + +}nrf_usbd_isosplit_t; + +/** + * @brief Function for enabling USBD + */ +__STATIC_INLINE void nrf_usbd_enable(void); + +/** + * @brief Function for disabling USBD + */ +__STATIC_INLINE void nrf_usbd_disable(void); + +/** + * @brief Function for getting EVENTCAUSE register + * + * @return Flag values defined in @ref nrf_usbd_eventcause_mask_t + */ +__STATIC_INLINE uint32_t nrf_usbd_eventcause_get(void); + +/** + * @brief Function for clearing EVENTCAUSE flags + * + * @param flags Flags defined in @ref nrf_usbd_eventcause_mask_t + */ +__STATIC_INLINE void nrf_usbd_eventcause_clear(uint32_t flags); + +/** + * @brief Function for getting EVENTCAUSE register and clear flags that are set + * + * The safest way to return current EVENTCAUSE register. + * All the flags that are returned would be cleared inside EVENTCAUSE register. + * + * @return Flag values defined in @ref nrf_usbd_eventcause_mask_t + */ +__STATIC_INLINE uint32_t nrf_usbd_eventcause_get_and_clear(void); + +/** + * @brief Function for getting BUSSTATE register value + * + * @return The value of BUSSTATE register + */ +__STATIC_INLINE nrf_usbd_busstate_t nrf_usbd_busstate_get(void); + +/** + * @brief Function for getting HALTEDEPIN register value + * + * @param ep Endpoint number with IN/OUT flag + * + * @return The value of HALTEDEPIN or HALTEDOUT register for selected endpoint + * + * @note + * Use this function for the response for GetStatus() request to endpoint. + * To check if endpoint is stalled in the code use @ref nrf_usbd_ep_is_stall. + */ +__STATIC_INLINE uint32_t nrf_usbd_haltedep(uint8_t ep); + +/** + * @brief Function for checking if selected endpoint is stalled + * + * Function to be used as a syntax sweeter for @ref nrf_usbd_haltedep. + * + * Also as the isochronous endpoint cannot be halted - it returns always false + * if isochronous endpoint is checked. + * + * @param ep Endpoint number with IN/OUT flag + * + * @return The information if the enepoint is halted. + */ +__STATIC_INLINE bool nrf_usbd_ep_is_stall(uint8_t ep); + +/** + * @brief Function for getting EPSTATUS register value + * + * @return Flag values defined in @ref nrf_usbd_epstatus_mask_t + */ +__STATIC_INLINE uint32_t nrf_usbd_epstatus_get(void); + +/** + * @brief Function for clearing EPSTATUS register value + * + * @param flags Flags defined in @ref nrf_usbd_epstatus_mask_t + */ +__STATIC_INLINE void nrf_usbd_epstatus_clear(uint32_t flags); + +/** + * @brief Function for getting and clearing EPSTATUS register value + * + * Function clears all flags in register set before returning its value. + * @return Flag values defined in @ref nrf_usbd_epstatus_mask_t + */ +__STATIC_INLINE uint32_t nrf_usbd_epstatus_get_and_clear(void); + +/** + * @brief Function for getting DATAEPSTATUS register value + * + * @return Flag values defined in @ref nrf_usbd_dataepstatus_mask_t + */ +__STATIC_INLINE uint32_t nrf_usbd_epdatastatus_get(void); + +/** + * @brief Function for clearing DATAEPSTATUS register value + * + * @param flags Flags defined in @ref nrf_usbd_dataepstatus_mask_t + */ +__STATIC_INLINE void nrf_usbd_epdatastatus_clear(uint32_t flags); + +/** + * @brief Function for getting and clearing DATAEPSTATUS register value + * + * Function clears all flags in register set before returning its value. + * @return Flag values defined in @ref nrf_usbd_dataepstatus_mask_t + */ +__STATIC_INLINE uint32_t nrf_usbd_epdatastatus_get_and_clear(void); + +/** + * @name Setup command frame functions + * + * Functions for setup command frame parts access + * @{ + */ + /** + * @brief Function for reading BMREQUESTTYPE - part of SETUP packet + * + * @return the value of BREQUESTTYPE on last received SETUP frame + */ + __STATIC_INLINE uint8_t nrf_usbd_setup_bmrequesttype_get(void); + + /** + * @brief Function for reading BMREQUEST - part of SETUP packet + * + * @return the value of BREQUEST on last received SETUP frame + */ + __STATIC_INLINE uint8_t nrf_usbd_setup_brequest_get(void); + + /** + * @brief Function for reading WVALUE - part of SETUP packet + * + * @return the value of WVALUE on last received SETUP frame + */ + __STATIC_INLINE uint16_t nrf_usbd_setup_wvalue_get(void); + + /** + * @brief Function for reading WINDEX - part of SETUP packet + * + * @return the value of WINDEX on last received SETUP frame + */ + __STATIC_INLINE uint16_t nrf_usbd_setup_windex_get(void); + + /** + * @brief Function for reading WLENGTH - part of SETUP packet + * + * @return the value of WLENGTH on last received SETUP frame + */ + __STATIC_INLINE uint16_t nrf_usbd_setup_wlength_get(void); +/** @} */ + +/** + * @brief Function for getting number of received bytes on selected endpoint + * + * @param ep Endpoint identifier. + * + * @return Number of received bytes. + * + * @note This function may be used on Bulk/Interrupt and Isochronous endpoints. + */ +__STATIC_INLINE size_t nrf_usbd_epout_size_get(uint8_t ep); + +/** + * @brief Function for clearing out endpoint to accept any new incoming traffic + * + * @param ep ep Endpoint identifier. Only OUT Interrupt/Bulk endpoints are accepted. + */ +__STATIC_INLINE void nrf_usbd_epout_clear(uint8_t ep); + +/** + * @brief Function for enabling USB pullup + */ +__STATIC_INLINE void nrf_usbd_pullup_enable(void); + +/** + * @brief Function for disabling USB pullup + */ +__STATIC_INLINE void nrf_usbd_pullup_disable(void); + +/** + * @brief Function for returning current USB pullup state + * + * @retval true USB pullup is enabled + * @retval false USB pullup is disabled + */ +__STATIC_INLINE bool nrf_usbd_pullup_check(void); + +/** + * @brief Function for configuring the value to be forced on the bus on DRIVEDPDM task + * + * Selected state would be forced on the bus when @ref NRF_USBD_TASK_DRIVEDPM is set. + * The state would be removed from the bus on @ref NRF_USBD_TASK_NODRIVEDPM and + * the control would be returned to the USBD peripheral. + * @param val State to be set + */ +__STATIC_INLINE void nrf_usbd_dpdmvalue_set(nrf_usbd_dpdmvalue_t val); + +/** + * @brief Function for setting data toggle + * + * Configuration of current state of data toggling + * @param ep Endpoint number with the information about its direction + * @param op Operation to execute + */ +__STATIC_INLINE void nrf_usbd_dtoggle_set(uint8_t ep, nrf_usbd_dtoggle_t op); + +/** + * @brief Function for getting data toggle + * + * Get the current state of data toggling + * @param ep Endpoint number to return the information about current data toggling + * @retval NRF_USBD_DTOGGLE_DATA0 Data toggle is DATA0 on selected endpoint + * @retval NRF_USBD_DTOGGLE_DATA1 Data toggle is DATA1 on selected endpoint + */ +__STATIC_INLINE nrf_usbd_dtoggle_t nrf_usbd_dtoggle_get(uint8_t ep); + +/** + * @brief Function for checking if endpoint is enabled + * + * @param ep Endpoint id to check + * + * @retval true Endpoint is enabled + * @retval false Endpoint is disabled + */ +__STATIC_INLINE bool nrf_usbd_ep_enable_check(uint8_t ep); + +/** + * @brief Function for enabling selected endpoint + * + * Enabled endpoint responds for the tokens on the USB bus + * + * @param ep Endpoint id to enable + */ +__STATIC_INLINE void nrf_usbd_ep_enable(uint8_t ep); + +/** + * @brief Function for disabling selected endpoint + * + * Disabled endpoint does not respond for the tokens on the USB bus + * + * @param ep Endpoint id to disable + */ +__STATIC_INLINE void nrf_usbd_ep_disable(uint8_t ep); + +/** + * @brief Function for disabling all endpoints + * + * Auxiliary function to simply disable all aviable endpoints. + * It lefts only EP0 IN and OUT enabled. + */ +__STATIC_INLINE void nrf_usbd_ep_all_disable(void); + +/** + * @brief Function for stalling selected endpoint + * + * @param ep Endpoint identifier + * @note This function cannot be called on isochronous endpoint + */ +__STATIC_INLINE void nrf_usbd_ep_stall(uint8_t ep); + +/** + * @brief Function for unstalling selected endpoint + * + * @param ep Endpoint identifier + * @note This function cannot be called on isochronous endpoint + */ +__STATIC_INLINE void nrf_usbd_ep_unstall(uint8_t ep); + +/** + * @brief Function for configuration of isochronous buffer splitting + * + * Configure isochronous buffer splitting between IN and OUT endpoints. + * + * @param split Required configuration + */ +__STATIC_INLINE void nrf_usbd_isosplit_set(nrf_usbd_isosplit_t split); + +/** + * @brief Function for getting the isochronous buffer splitting configuration + * + * Get the current isochronous buffer splitting configuration. + * + * @return Current configuration + */ +__STATIC_INLINE nrf_usbd_isosplit_t nrf_usbd_isosplit_get(void); + +/** + * @brief Function for getting current frame counter + * + * @return Current frame counter + */ +__STATIC_INLINE uint32_t nrf_usbd_framecntr_get(void); + +/** + * @brief Function for configuring EasyDMA channel + * + * Configures EasyDMA for the transfer. + * + * @param ep Endpoint identifier (with direction) + * @param ptr Pointer to the data + * @param maxcnt Number of bytes to transfer + */ +__STATIC_INLINE void nrf_usbd_ep_easydma_set(uint8_t ep, uint32_t ptr, uint32_t maxcnt); + +/** + * @brief Function for getting number of transferred bytes + * + * Get number of transferred bytes in the last transaction + * + * @param ep Endpoint identifier + * + * @return The content of the AMOUNT register + */ +__STATIC_INLINE uint32_t nrf_usbd_ep_amount_get(uint8_t ep); + + +#ifndef SUPPRESS_INLINE_IMPLEMENTATION + +void nrf_usbd_enable(void) +{ +#ifdef NRF_FPGA_IMPLEMENTATION + *(volatile uint32_t *)0x400005F4 = 3; + __ISB(); + __DSB(); + *(volatile uint32_t *)0x400005F0 = 3; + __ISB(); + __DSB(); +#endif + + NRF_USBD->ENABLE = USBD_ENABLE_ENABLE_Enabled << USBD_ENABLE_ENABLE_Pos; + __ISB(); + __DSB(); +} + +void nrf_usbd_disable(void) +{ + NRF_USBD->ENABLE = USBD_ENABLE_ENABLE_Disabled << USBD_ENABLE_ENABLE_Pos; + __ISB(); + __DSB(); +} + +uint32_t nrf_usbd_eventcause_get(void) +{ + return NRF_USBD->EVENTCAUSE; +} + +void nrf_usbd_eventcause_clear(uint32_t flags) +{ + NRF_USBD->EVENTCAUSE = flags; + __ISB(); + __DSB(); +} + +uint32_t nrf_usbd_eventcause_get_and_clear(void) +{ + uint32_t ret; + ret = nrf_usbd_eventcause_get(); + nrf_usbd_eventcause_clear(ret); + __ISB(); + __DSB(); + return ret; +} + +nrf_usbd_busstate_t nrf_usbd_busstate_get(void) +{ + return (nrf_usbd_busstate_t)(NRF_USBD->BUSSTATE); +} + +uint32_t nrf_usbd_haltedep(uint8_t ep) +{ + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + if (NRF_USBD_EPIN_CHECK(ep)) + { + ASSERT(epnr < ARRAY_SIZE(NRF_USBD->HALTED.EPIN)); + return NRF_USBD->HALTED.EPIN[epnr]; + } + else + { + ASSERT(epnr < ARRAY_SIZE(NRF_USBD->HALTED.EPOUT)); + return NRF_USBD->HALTED.EPOUT[epnr]; + } +} + +bool nrf_usbd_ep_is_stall(uint8_t ep) +{ + if (NRF_USBD_EPISO_CHECK(ep)) + return false; + return USBD_HALTED_EPOUT_GETSTATUS_Halted == nrf_usbd_haltedep(ep); +} + +uint32_t nrf_usbd_epstatus_get(void) +{ + return NRF_USBD->EPSTATUS; +} + +void nrf_usbd_epstatus_clear(uint32_t flags) +{ + NRF_USBD->EPSTATUS = flags; + __ISB(); + __DSB(); +} + +uint32_t nrf_usbd_epstatus_get_and_clear(void) +{ + uint32_t ret; + ret = nrf_usbd_epstatus_get(); + nrf_usbd_epstatus_clear(ret); + return ret; +} + +uint32_t nrf_usbd_epdatastatus_get(void) +{ + return NRF_USBD->EPDATASTATUS; +} + +void nrf_usbd_epdatastatus_clear(uint32_t flags) +{ + NRF_USBD->EPDATASTATUS = flags; + __ISB(); + __DSB(); +} + +uint32_t nrf_usbd_epdatastatus_get_and_clear(void) +{ + uint32_t ret; + ret = nrf_usbd_epdatastatus_get(); + nrf_usbd_epdatastatus_clear(ret); + __ISB(); + __DSB(); + return ret; +} + +uint8_t nrf_usbd_setup_bmrequesttype_get(void) +{ + return (uint8_t)(NRF_USBD->BMREQUESTTYPE); +} + +uint8_t nrf_usbd_setup_brequest_get(void) +{ + return (uint8_t)(NRF_USBD->BREQUEST); +} + +uint16_t nrf_usbd_setup_wvalue_get(void) +{ + const uint16_t val = NRF_USBD->WVALUEL; + return (uint16_t)(val | ((NRF_USBD->WVALUEH) << 8)); +} + +uint16_t nrf_usbd_setup_windex_get(void) +{ + const uint16_t val = NRF_USBD->WINDEXL; + return (uint16_t)(val | ((NRF_USBD->WINDEXH) << 8)); +} + +uint16_t nrf_usbd_setup_wlength_get(void) +{ + const uint16_t val = NRF_USBD->WLENGTHL; + return (uint16_t)(val | ((NRF_USBD->WLENGTHH) << 8)); +} + +size_t nrf_usbd_epout_size_get(uint8_t ep) +{ + ASSERT(NRF_USBD_EPOUT_CHECK(ep)); + if (NRF_USBD_EPISO_CHECK(ep)) + { + /* Only single isochronous endpoint supported */ + ASSERT(NRF_USBD_EP_NR_GET(ep) == ARRAY_SIZE(NRF_USBD->SIZE.EPOUT)); + return NRF_USBD->SIZE.ISOOUT; + } + + ASSERT(NRF_USBD_EP_NR_GET(ep) < ARRAY_SIZE(NRF_USBD->SIZE.EPOUT)); + return NRF_USBD->SIZE.EPOUT[NRF_USBD_EP_NR_GET(ep)]; +} + +void nrf_usbd_epout_clear(uint8_t ep) +{ + ASSERT(NRF_USBD_EPOUT_CHECK(ep) && (NRF_USBD_EP_NR_GET(ep) < ARRAY_SIZE(NRF_USBD->SIZE.EPOUT))); + NRF_USBD->SIZE.EPOUT[NRF_USBD_EP_NR_GET(ep)] = 0; + __ISB(); + __DSB(); +} + +void nrf_usbd_pullup_enable(void) +{ + NRF_USBD->USBPULLUP = USBD_USBPULLUP_CONNECT_Enabled << USBD_USBPULLUP_CONNECT_Pos; + __ISB(); + __DSB(); +} + +void nrf_usbd_pullup_disable(void) +{ + NRF_USBD->USBPULLUP = USBD_USBPULLUP_CONNECT_Disabled << USBD_USBPULLUP_CONNECT_Pos; + __ISB(); + __DSB(); +} + +bool nrf_usbd_pullup_check(void) +{ + return NRF_USBD->USBPULLUP == (USBD_USBPULLUP_CONNECT_Enabled << USBD_USBPULLUP_CONNECT_Pos); +} + +void nrf_usbd_dpdmvalue_set(nrf_usbd_dpdmvalue_t val) +{ + NRF_USBD->DPDMVALUE = ((uint32_t)val) << USBD_DPDMVALUE_STATE_Pos; +} + +void nrf_usbd_dtoggle_set(uint8_t ep, nrf_usbd_dtoggle_t op) +{ + NRF_USBD->DTOGGLE = ep | (op << USBD_DTOGGLE_VALUE_Pos); + __ISB(); + __DSB(); +} + +nrf_usbd_dtoggle_t nrf_usbd_dtoggle_get(uint8_t ep) +{ + uint32_t retval; + /* Select the endpoint to read */ + nrf_usbd_dtoggle_set(ep, NRF_USBD_DTOGGLE_NOP); + retval = ((NRF_USBD->DTOGGLE) & USBD_DTOGGLE_VALUE_Msk) >> USBD_DTOGGLE_VALUE_Pos; + return (nrf_usbd_dtoggle_t)retval; +} + +bool nrf_usbd_ep_enable_check(uint8_t ep) +{ + ASSERT(NRF_USBD_EP_VALIDATE(ep)); + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + + if (NRF_USBD_EPIN_CHECK(ep)) + { + return 0 != (NRF_USBD->EPINEN & (1UL<<epnr)); + } + else + { + return 0 != (NRF_USBD->EPOUTEN & (1UL<<epnr)); + } +} + +void nrf_usbd_ep_enable(uint8_t ep) +{ + ASSERT(NRF_USBD_EP_VALIDATE(ep)); + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + + if (NRF_USBD_EPIN_CHECK(ep)) + { + NRF_USBD->EPINEN |= 1UL<<epnr; + } + else + { + NRF_USBD->EPOUTEN |= 1UL<<epnr; + } + __ISB(); + __DSB(); +} + +void nrf_usbd_ep_disable(uint8_t ep) +{ + ASSERT(NRF_USBD_EP_VALIDATE(ep)); + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + + if (NRF_USBD_EPIN_CHECK(ep)) + { + NRF_USBD->EPINEN &= ~(1UL<<epnr); + } + else + { + NRF_USBD->EPOUTEN &= ~(1UL<<epnr); + } + __ISB(); + __DSB(); +} + +void nrf_usbd_ep_all_disable(void) +{ + NRF_USBD->EPINEN = USBD_EPINEN_IN0_Enable << USBD_EPINEN_IN0_Pos; + NRF_USBD->EPOUTEN = USBD_EPOUTEN_OUT0_Enable << USBD_EPOUTEN_OUT0_Pos; + __ISB(); + __DSB(); +} + +void nrf_usbd_ep_stall(uint8_t ep) +{ + ASSERT(!NRF_USBD_EPISO_CHECK(ep)); + NRF_USBD->EPSTALL = (USBD_EPSTALL_STALL_Stall << USBD_EPSTALL_STALL_Pos) | ep; + __ISB(); + __DSB(); +} + +void nrf_usbd_ep_unstall(uint8_t ep) +{ + ASSERT(!NRF_USBD_EPISO_CHECK(ep)); + NRF_USBD->EPSTALL = (USBD_EPSTALL_STALL_UnStall << USBD_EPSTALL_STALL_Pos) | ep; + __ISB(); + __DSB(); +} + +void nrf_usbd_isosplit_set(nrf_usbd_isosplit_t split) +{ + NRF_USBD->ISOSPLIT = split << USBD_ISOSPLIT_SPLIT_Pos; +} + +nrf_usbd_isosplit_t nrf_usbd_isosplit_get(void) +{ + return (nrf_usbd_isosplit_t) + (((NRF_USBD->ISOSPLIT) & USBD_ISOSPLIT_SPLIT_Msk) >> USBD_ISOSPLIT_SPLIT_Pos); +} + +uint32_t nrf_usbd_framecntr_get(void) +{ + return NRF_USBD->FRAMECNTR; +} + +void nrf_usbd_ep_easydma_set(uint8_t ep, uint32_t ptr, uint32_t maxcnt) +{ + if (NRF_USBD_EPIN_CHECK(ep)) + { + if (NRF_USBD_EPISO_CHECK(ep)) + { + NRF_USBD->ISOIN.PTR = ptr; + NRF_USBD->ISOIN.MAXCNT = maxcnt; + } + else + { + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + ASSERT(epnr < ARRAY_SIZE(NRF_USBD->EPIN)); + NRF_USBD->EPIN[epnr].PTR = ptr; + NRF_USBD->EPIN[epnr].MAXCNT = maxcnt; + } + } + else + { + if (NRF_USBD_EPISO_CHECK(ep)) + { + NRF_USBD->ISOOUT.PTR = ptr; + NRF_USBD->ISOOUT.MAXCNT = maxcnt; + } + else + { + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + ASSERT(epnr < ARRAY_SIZE(NRF_USBD->EPOUT)); + NRF_USBD->EPOUT[epnr].PTR = ptr; + NRF_USBD->EPOUT[epnr].MAXCNT = maxcnt; + } + } +} + +uint32_t nrf_usbd_ep_amount_get(uint8_t ep) +{ + uint32_t ret; + + if (NRF_USBD_EPIN_CHECK(ep)) + { + if (NRF_USBD_EPISO_CHECK(ep)) + { + ret = NRF_USBD->ISOIN.AMOUNT; + } + else + { + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + ASSERT(epnr < ARRAY_SIZE(NRF_USBD->EPOUT)); + ret = NRF_USBD->EPIN[epnr].AMOUNT; + } + } + else + { + if (NRF_USBD_EPISO_CHECK(ep)) + { + ret = NRF_USBD->ISOOUT.AMOUNT; + } + else + { + uint8_t epnr = NRF_USBD_EP_NR_GET(ep); + ASSERT(epnr < ARRAY_SIZE(NRF_USBD->EPOUT)); + ret = NRF_USBD->EPOUT[epnr].AMOUNT; + } + } + + return ret; +} + +#endif /* SUPPRESS_INLINE_IMPLEMENTATION */ + +/** @} */ +#endif /* NRF_USBD_H__ */ |