298 lines
8.9 KiB
C
298 lines
8.9 KiB
C
/**
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* Copyright (c) 2015 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stddef.h>
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#include "nrf_drv_common.h"
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#include "nrf_assert.h"
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#include "app_util_platform.h"
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#include "nrf_peripherals.h"
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#if NRF_DRV_COMMON_POWER_CLOCK_ISR
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#include "nrf_drv_power.h"
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#include "nrf_drv_clock.h"
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#endif
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#ifdef SOFTDEVICE_PRESENT
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#include "nrf_soc.h"
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#endif
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#if NRF_MODULE_ENABLED(PERIPHERAL_RESOURCE_SHARING)
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#define NRF_LOG_MODULE_NAME common
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#if COMMON_CONFIG_LOG_ENABLED
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#define NRF_LOG_LEVEL COMMON_CONFIG_LOG_LEVEL
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#define NRF_LOG_INFO_COLOR COMMON_CONFIG_INFO_COLOR
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#define NRF_LOG_DEBUG_COLOR COMMON_CONFIG_DEBUG_COLOR
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#else //COMMON_CONFIG_LOG_ENABLED
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#define NRF_LOG_LEVEL 0
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#endif //COMMON_CONFIG_LOG_ENABLED
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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typedef struct {
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nrf_drv_irq_handler_t handler;
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bool acquired;
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} shared_resource_t;
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// SPIM0, SPIS0, SPI0, TWIM0, TWIS0, TWI0
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#if (NRF_MODULE_ENABLED(SPI0) || NRF_MODULE_ENABLED(SPIS0) || NRF_MODULE_ENABLED(TWI0) || NRF_MODULE_ENABLED(TWIS0))
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#define SERIAL_BOX_0_IN_USE
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// [this checking may need a different form in unit tests, hence macro]
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#ifndef IS_SERIAL_BOX_0
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#define IS_SERIAL_BOX_0(p_per_base) (p_per_base == NRF_SPI0)
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#endif
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static shared_resource_t m_serial_box_0 = { .acquired = false };
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void SPI0_TWI0_IRQHandler(void)
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{
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ASSERT(m_serial_box_0.handler);
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m_serial_box_0.handler();
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}
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#endif // (NRF_MODULE_ENABLED(SPI0) || NRF_MODULE_ENABLED(SPIS0) || NRF_MODULE_ENABLED(TWI0) || NRF_MODULE_ENABLED(TWIS0))
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// SPIM1, SPIS1, SPI1, TWIM1, TWIS1, TWI1
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#if (NRF_MODULE_ENABLED(SPI1) || NRF_MODULE_ENABLED(SPIS1) || NRF_MODULE_ENABLED(TWI1) || NRF_MODULE_ENABLED(TWIS1))
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#define SERIAL_BOX_1_IN_USE
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// [this checking may need a different form in unit tests, hence macro]
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#ifndef IS_SERIAL_BOX_1
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#define IS_SERIAL_BOX_1(p_per_base) (p_per_base == NRF_SPI1)
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#endif
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static shared_resource_t m_serial_box_1 = { .acquired = false };
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#ifdef TWIM_PRESENT
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void SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler(void)
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#else
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void SPI1_TWI1_IRQHandler(void)
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#endif
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{
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ASSERT(m_serial_box_1.handler);
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m_serial_box_1.handler();
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}
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#endif // (NRF_MODULE_ENABLED(SPI1) || NRF_MODULE_ENABLED(SPIS1) || NRF_MODULE_ENABLED(TWI1) || NRF_MODULE_ENABLED(TWIS1))
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// SPIM2, SPIS2, SPI2
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#if (NRF_MODULE_ENABLED(SPI2) || NRF_MODULE_ENABLED(SPIS2))
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#define SERIAL_BOX_2_IN_USE
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// [this checking may need a different form in unit tests, hence macro]
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#ifndef IS_SERIAL_BOX_2
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#define IS_SERIAL_BOX_2(p_per_base) (p_per_base == NRF_SPI2)
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#endif
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static shared_resource_t m_serial_box_2 = { .acquired = false };
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void SPIM2_SPIS2_SPI2_IRQHandler(void)
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{
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ASSERT(m_serial_box_2.handler);
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m_serial_box_2.handler();
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}
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#endif // (NRF_MODULE_ENABLED(SPI2) || NRF_MODULE_ENABLED(SPIS2))
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// COMP, LPCOMP
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#if (NRF_MODULE_ENABLED(COMP) || NRF_MODULE_ENABLED(LPCOMP))
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#define COMP_LPCOMP_IN_USE
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#ifndef IS_COMP_LPCOMP
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#define IS_COMP_LPCOMP(p_per_base) ((p_per_base) == NRF_LPCOMP)
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#endif
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static shared_resource_t m_comp_lpcomp = { .acquired = false };
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void LPCOMP_IRQHandler(void)
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{
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ASSERT(m_comp_lpcomp.handler);
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m_comp_lpcomp.handler();
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}
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#endif // (NRF_MODULE_ENABLED(COMP) || NRF_MODULE_ENABLED(LPCOMP))
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#if defined(SERIAL_BOX_0_IN_USE) || \
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defined(SERIAL_BOX_1_IN_USE) || \
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defined(SERIAL_BOX_2_IN_USE) || \
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defined(COMP_LPCOMP_IN_USE)
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static ret_code_t acquire_shared_resource(shared_resource_t * p_resource,
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nrf_drv_irq_handler_t handler)
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{
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ret_code_t err_code;
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bool busy = false;
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CRITICAL_REGION_ENTER();
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if (p_resource->acquired)
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{
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busy = true;
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}
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else
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{
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p_resource->acquired = true;
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}
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CRITICAL_REGION_EXIT();
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if (busy)
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{
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err_code = NRF_ERROR_BUSY;
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NRF_LOG_WARNING("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
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return err_code;
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}
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p_resource->handler = handler;
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err_code = NRF_SUCCESS;
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NRF_LOG_INFO("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
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return err_code;
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}
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#endif
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ret_code_t nrf_drv_common_per_res_acquire(void const * p_per_base,
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nrf_drv_irq_handler_t handler)
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{
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#ifdef SERIAL_BOX_0_IN_USE
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if (IS_SERIAL_BOX_0(p_per_base))
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{
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return acquire_shared_resource(&m_serial_box_0, handler);
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}
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#endif
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#ifdef SERIAL_BOX_1_IN_USE
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if (IS_SERIAL_BOX_1(p_per_base))
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{
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return acquire_shared_resource(&m_serial_box_1, handler);
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}
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#endif
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#ifdef SERIAL_BOX_2_IN_USE
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if (IS_SERIAL_BOX_2(p_per_base))
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{
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return acquire_shared_resource(&m_serial_box_2, handler);
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}
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#endif
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#ifdef COMP_LPCOMP_IN_USE
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if (IS_COMP_LPCOMP(p_per_base))
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{
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return acquire_shared_resource(&m_comp_lpcomp, handler);
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}
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#endif
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ret_code_t err_code;
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err_code = NRF_ERROR_INVALID_PARAM;
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NRF_LOG_WARNING("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
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return err_code;
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}
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void nrf_drv_common_per_res_release(void const * p_per_base)
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{
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#ifdef SERIAL_BOX_0_IN_USE
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if (IS_SERIAL_BOX_0(p_per_base))
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{
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m_serial_box_0.acquired = false;
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}
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else
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#endif
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#ifdef SERIAL_BOX_1_IN_USE
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if (IS_SERIAL_BOX_1(p_per_base))
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{
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m_serial_box_1.acquired = false;
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}
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else
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#endif
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#ifdef SERIAL_BOX_2_IN_USE
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if (IS_SERIAL_BOX_2(p_per_base))
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{
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m_serial_box_2.acquired = false;
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}
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else
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#endif
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#ifdef COMP_LPCOMP_IN_USE
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if (IS_COMP_LPCOMP(p_per_base))
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{
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m_comp_lpcomp.acquired = false;
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}
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else
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#endif
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{}
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}
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#endif // NRF_MODULE_ENABLED(PERIPHERAL_RESOURCE_SHARING)
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#if NRF_MODULE_ENABLED(POWER)
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void nrf_drv_common_power_irq_disable(void)
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{
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#if NRF_DRV_COMMON_POWER_CLOCK_ISR
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if (!nrf_drv_clock_init_check())
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#endif
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{
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nrf_drv_common_irq_disable(POWER_CLOCK_IRQn);
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}
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}
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#endif
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#if NRF_MODULE_ENABLED(CLOCK)
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void nrf_drv_common_clock_irq_disable(void)
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{
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#if NRF_DRV_COMMON_POWER_CLOCK_ISR
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if (!nrf_drv_power_init_check())
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#endif
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{
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nrf_drv_common_irq_disable(POWER_CLOCK_IRQn);
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}
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}
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#endif
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#if NRF_DRV_COMMON_POWER_CLOCK_ISR
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void POWER_CLOCK_IRQHandler(void)
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{
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extern void nrf_drv_clock_onIRQ(void);
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extern void nrf_drv_power_onIRQ(void);
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nrf_drv_clock_onIRQ();
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nrf_drv_power_onIRQ();
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}
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#endif // NRF_DRV_COMMON_POWER_CLOCK_ISR
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void nrf_drv_common_irq_enable(IRQn_Type IRQn, uint8_t priority)
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{
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INTERRUPT_PRIORITY_ASSERT(priority);
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NVIC_SetPriority(IRQn, priority);
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NVIC_ClearPendingIRQ(IRQn);
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NVIC_EnableIRQ(IRQn);
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}
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