diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c | 166 | ||||
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.h | 140 |
2 files changed, 306 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c new file mode 100644 index 0000000..e7a105f --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c @@ -0,0 +1,166 @@ +/** + * Copyright (c) 2017 - 2018, 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. + * + */ + +#include <nrfx.h> + +#if NRFX_CHECK(NRFX_PRS_ENABLED) +#include "nrfx_prs.h" + +#define NRFX_LOG_MODULE PRS +#include <nrfx_log.h> + +#define LOG_FUNCTION_EXIT(level, ret_code) \ + NRFX_LOG_##level("Function: %s, error code: %s.", \ + __func__, \ + NRFX_LOG_ERROR_STRING_GET(ret_code)) + + +typedef struct { + nrfx_irq_handler_t handler; + bool acquired; +} prs_box_t; + +#define PRS_BOX_DEFINE(n) \ + static prs_box_t m_prs_box_##n = { .handler = NULL, .acquired = false }; \ + void nrfx_prs_box_##n##_irq_handler(void) \ + { \ + NRFX_ASSERT(m_prs_box_##n.handler); \ + m_prs_box_##n.handler(); \ + } + +#if defined(NRFX_PRS_BOX_0_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_0_ENABLED) +PRS_BOX_DEFINE(0) +#endif +#if defined(NRFX_PRS_BOX_1_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_1_ENABLED) +PRS_BOX_DEFINE(1) +#endif +#if defined(NRFX_PRS_BOX_2_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_2_ENABLED) +PRS_BOX_DEFINE(2) +#endif +#if defined(NRFX_PRS_BOX_3_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_3_ENABLED) +PRS_BOX_DEFINE(3) +#endif +#if defined(NRFX_PRS_BOX_4_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_4_ENABLED) +PRS_BOX_DEFINE(4) +#endif + + +static prs_box_t * prs_box_get(void const * p_base_addr) +{ +#if !defined(IS_PRS_BOX) +#define IS_PRS_BOX(n, p_base_addr) ((p_base_addr) == NRFX_PRS_BOX_##n##_ADDR) +#endif + +#if defined(NRFX_PRS_BOX_0_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_0_ENABLED) + if (IS_PRS_BOX(0, p_base_addr)) { return &m_prs_box_0; } + else +#endif +#if defined(NRFX_PRS_BOX_1_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_1_ENABLED) + if (IS_PRS_BOX(1, p_base_addr)) { return &m_prs_box_1; } + else +#endif +#if defined(NRFX_PRS_BOX_2_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_2_ENABLED) + if (IS_PRS_BOX(2, p_base_addr)) { return &m_prs_box_2; } + else +#endif +#if defined(NRFX_PRS_BOX_3_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_3_ENABLED) + if (IS_PRS_BOX(3, p_base_addr)) { return &m_prs_box_3; } + else +#endif +#if defined(NRFX_PRS_BOX_4_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_4_ENABLED) + if (IS_PRS_BOX(4, p_base_addr)) { return &m_prs_box_4; } + else +#endif + { + return NULL; + } +} + +nrfx_err_t nrfx_prs_acquire(void const * p_base_addr, + nrfx_irq_handler_t irq_handler) +{ + NRFX_ASSERT(p_base_addr); + + nrfx_err_t ret_code; + + prs_box_t * p_box = prs_box_get(p_base_addr); + if (p_box != NULL) + { + bool busy = false; + + NRFX_CRITICAL_SECTION_ENTER(); + if (p_box->acquired) + { + busy = true; + } + else + { + p_box->handler = irq_handler; + p_box->acquired = true; + } + NRFX_CRITICAL_SECTION_EXIT(); + + if (busy) + { + ret_code = NRFX_ERROR_BUSY; + LOG_FUNCTION_EXIT(WARNING, ret_code); + return ret_code; + } + } + + ret_code = NRFX_SUCCESS; + LOG_FUNCTION_EXIT(INFO, ret_code); + return ret_code; +} + +void nrfx_prs_release(void const * p_base_addr) +{ + NRFX_ASSERT(p_base_addr); + + prs_box_t * p_box = prs_box_get(p_base_addr); + if (p_box != NULL) + { + p_box->handler = NULL; + p_box->acquired = false; + } +} + + +#endif // NRFX_CHECK(NRFX_PRS_ENABLED) diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.h new file mode 100644 index 0000000..f585fa1 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.h @@ -0,0 +1,140 @@ +/** + * Copyright (c) 2017 - 2018, 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 NRFX_PRS_H__ +#define NRFX_PRS_H__ + +#include <nrfx.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup nrfx_prs Peripheral Resource Sharing (PRS) + * @{ + * @ingroup nrfx + * + * @brief Peripheral Resource Sharing interface (PRS). + */ + +#if defined(NRF51) + // SPI0, TWI0 + #define NRFX_PRS_BOX_0_ADDR NRF_SPI0 + // SPI1, SPIS1, TWI1 + #define NRFX_PRS_BOX_1_ADDR NRF_SPI1 +#elif defined(NRF52810_XXAA) + // TWIM0, TWIS0 + #define NRFX_PRS_BOX_0_ADDR NRF_TWIM0 + // SPIM0, SPIS0 + #define NRFX_PRS_BOX_1_ADDR NRF_SPIM0 +#elif defined(NRF52832_XXAA) || defined (NRF52832_XXAB) + // SPIM0, SPIS0, TWIM0, TWIS0, SPI0, TWI0 + #define NRFX_PRS_BOX_0_ADDR NRF_SPIM0 + // SPIM1, SPIS1, TWIM1, TWIS1, SPI1, TWI1 + #define NRFX_PRS_BOX_1_ADDR NRF_SPIM1 + // SPIM2, SPIS2, SPI2 + #define NRFX_PRS_BOX_2_ADDR NRF_SPIM2 + // COMP, LPCOMP + #define NRFX_PRS_BOX_3_ADDR NRF_COMP + // UARTE0, UART0 + #define NRFX_PRS_BOX_4_ADDR NRF_UARTE0 +#elif defined(NRF52840_XXAA) + // SPIM0, SPIS0, TWIM0, TWIS0, SPI0, TWI0 + #define NRFX_PRS_BOX_0_ADDR NRF_SPIM0 + // SPIM1, SPIS1, TWIM1, TWIS1, SPI1, TWI1 + #define NRFX_PRS_BOX_1_ADDR NRF_SPIM1 + // SPIM2, SPIS2, SPI2 + #define NRFX_PRS_BOX_2_ADDR NRF_SPIM2 + // COMP, LPCOMP + #define NRFX_PRS_BOX_3_ADDR NRF_COMP + // UARTE0, UART0 + #define NRFX_PRS_BOX_4_ADDR NRF_UARTE0 +#else + #error "Unknown device." +#endif + +/** + * @brief Function for acquiring shared peripheral resources associated with + * the specified peripheral. + * + * Certain resources and registers are shared among peripherals that have + * the same ID (for example: SPI0, SPIM0, SPIS0, TWI0, TWIM0, and TWIS0 in + * nRF52832). Only one of them can be utilized at a given time. This function + * reserves proper resources to be used by the specified peripheral. + * If NRFX_PRS_ENABLED is set to a non-zero value, IRQ handlers for peripherals + * that are sharing resources with others are implemented by the @ref nrfx_prs + * module instead of individual drivers. The drivers must then specify their + * interrupt handling routines and register them by using this function. + * + * @param[in] p_base_addr Requested peripheral base pointer. + * @param[in] irq_handler Interrupt handler to register. + * + * @retval NRFX_SUCCESS If resources were acquired successfully or the + * specified peripheral is not handled by the PRS + * subsystem and there is no need to acquire resources + * for it. + * @retval NRFX_ERROR_BUSY If resources were already acquired. + */ +nrfx_err_t nrfx_prs_acquire(void const * p_base_addr, + nrfx_irq_handler_t irq_handler); + +/** + * @brief Function for releasing shared resources reserved previously by + * @ref nrfx_prs_acquire() for the specified peripheral. + * + * @param[in] p_base_addr Released peripheral base pointer. + */ +void nrfx_prs_release(void const * p_base_addr); + + +void nrfx_prs_box_0_irq_handler(void); +void nrfx_prs_box_1_irq_handler(void); +void nrfx_prs_box_2_irq_handler(void); +void nrfx_prs_box_3_irq_handler(void); +void nrfx_prs_box_4_irq_handler(void); + +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif // NRFX_PRS_H__ |