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/**
* Copyright (c) 2015 - 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.
*
*/
#include <stddef.h>
#include "nrf_drv_common.h"
#include "nrf_assert.h"
#include "app_util_platform.h"
#include "nrf_peripherals.h"
#if NRF_DRV_COMMON_POWER_CLOCK_ISR
#include "nrf_drv_power.h"
#include "nrf_drv_clock.h"
#endif
#ifdef SOFTDEVICE_PRESENT
#include "nrf_soc.h"
#endif
#if NRF_MODULE_ENABLED(PERIPHERAL_RESOURCE_SHARING)
#define NRF_LOG_MODULE_NAME "COMMON"
#if COMMON_CONFIG_LOG_ENABLED
#define NRF_LOG_LEVEL COMMON_CONFIG_LOG_LEVEL
#define NRF_LOG_INFO_COLOR COMMON_CONFIG_INFO_COLOR
#define NRF_LOG_DEBUG_COLOR COMMON_CONFIG_DEBUG_COLOR
#else //COMMON_CONFIG_LOG_ENABLED
#define NRF_LOG_LEVEL 0
#endif //COMMON_CONFIG_LOG_ENABLED
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
typedef struct {
nrf_drv_irq_handler_t handler;
bool acquired;
} shared_resource_t;
// SPIM0, SPIS0, SPI0, TWIM0, TWIS0, TWI0
#if (NRF_MODULE_ENABLED(SPI0) || NRF_MODULE_ENABLED(SPIS0) || NRF_MODULE_ENABLED(TWI0) || NRF_MODULE_ENABLED(TWIS0))
#define SERIAL_BOX_0_IN_USE
// [this checking may need a different form in unit tests, hence macro]
#ifndef IS_SERIAL_BOX_0
#define IS_SERIAL_BOX_0(p_per_base) (p_per_base == NRF_SPI0)
#endif
static shared_resource_t m_serial_box_0 = { .acquired = false };
void SPI0_TWI0_IRQHandler(void)
{
ASSERT(m_serial_box_0.handler);
m_serial_box_0.handler();
}
#endif // (NRF_MODULE_ENABLED(SPI0) || NRF_MODULE_ENABLED(SPIS0) || NRF_MODULE_ENABLED(TWI0) || NRF_MODULE_ENABLED(TWIS0))
// SPIM1, SPIS1, SPI1, TWIM1, TWIS1, TWI1
#if (NRF_MODULE_ENABLED(SPI1) || NRF_MODULE_ENABLED(SPIS1) || NRF_MODULE_ENABLED(TWI1) || NRF_MODULE_ENABLED(TWIS1))
#define SERIAL_BOX_1_IN_USE
// [this checking may need a different form in unit tests, hence macro]
#ifndef IS_SERIAL_BOX_1
#define IS_SERIAL_BOX_1(p_per_base) (p_per_base == NRF_SPI1)
#endif
static shared_resource_t m_serial_box_1 = { .acquired = false };
#ifdef TWIM_PRESENT
void SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler(void)
#else
void SPI1_TWI1_IRQHandler(void)
#endif
{
ASSERT(m_serial_box_1.handler);
m_serial_box_1.handler();
}
#endif // (NRF_MODULE_ENABLED(SPI1) || NRF_MODULE_ENABLED(SPIS1) || NRF_MODULE_ENABLED(TWI1) || NRF_MODULE_ENABLED(TWIS1))
// SPIM2, SPIS2, SPI2
#if (NRF_MODULE_ENABLED(SPI2) || NRF_MODULE_ENABLED(SPIS2))
#define SERIAL_BOX_2_IN_USE
// [this checking may need a different form in unit tests, hence macro]
#ifndef IS_SERIAL_BOX_2
#define IS_SERIAL_BOX_2(p_per_base) (p_per_base == NRF_SPI2)
#endif
static shared_resource_t m_serial_box_2 = { .acquired = false };
void SPIM2_SPIS2_SPI2_IRQHandler(void)
{
ASSERT(m_serial_box_2.handler);
m_serial_box_2.handler();
}
#endif // (NRF_MODULE_ENABLED(SPI2) || NRF_MODULE_ENABLED(SPIS2))
// COMP, LPCOMP
#if (NRF_MODULE_ENABLED(COMP) || NRF_MODULE_ENABLED(LPCOMP))
#define COMP_LPCOMP_IN_USE
#ifndef IS_COMP_LPCOMP
#define IS_COMP_LPCOMP(p_per_base) ((p_per_base) == NRF_LPCOMP)
#endif
static shared_resource_t m_comp_lpcomp = { .acquired = false };
void LPCOMP_IRQHandler(void)
{
ASSERT(m_comp_lpcomp.handler);
m_comp_lpcomp.handler();
}
#endif // (NRF_MODULE_ENABLED(COMP) || NRF_MODULE_ENABLED(LPCOMP))
#if defined(SERIAL_BOX_0_IN_USE) || \
defined(SERIAL_BOX_1_IN_USE) || \
defined(SERIAL_BOX_2_IN_USE) || \
defined(COMP_LPCOMP_IN_USE)
static ret_code_t acquire_shared_resource(shared_resource_t * p_resource,
nrf_drv_irq_handler_t handler)
{
ret_code_t err_code;
bool busy = false;
CRITICAL_REGION_ENTER();
if (p_resource->acquired)
{
busy = true;
}
else
{
p_resource->acquired = true;
}
CRITICAL_REGION_EXIT();
if (busy)
{
err_code = NRF_ERROR_BUSY;
NRF_LOG_WARNING("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
p_resource->handler = handler;
err_code = NRF_SUCCESS;
NRF_LOG_INFO("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
#endif
ret_code_t nrf_drv_common_per_res_acquire(void const * p_per_base,
nrf_drv_irq_handler_t handler)
{
#ifdef SERIAL_BOX_0_IN_USE
if (IS_SERIAL_BOX_0(p_per_base))
{
return acquire_shared_resource(&m_serial_box_0, handler);
}
#endif
#ifdef SERIAL_BOX_1_IN_USE
if (IS_SERIAL_BOX_1(p_per_base))
{
return acquire_shared_resource(&m_serial_box_1, handler);
}
#endif
#ifdef SERIAL_BOX_2_IN_USE
if (IS_SERIAL_BOX_2(p_per_base))
{
return acquire_shared_resource(&m_serial_box_2, handler);
}
#endif
#ifdef COMP_LPCOMP_IN_USE
if (IS_COMP_LPCOMP(p_per_base))
{
return acquire_shared_resource(&m_comp_lpcomp, handler);
}
#endif
ret_code_t err_code;
err_code = NRF_ERROR_INVALID_PARAM;
NRF_LOG_WARNING("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
void nrf_drv_common_per_res_release(void const * p_per_base)
{
#ifdef SERIAL_BOX_0_IN_USE
if (IS_SERIAL_BOX_0(p_per_base))
{
m_serial_box_0.acquired = false;
}
else
#endif
#ifdef SERIAL_BOX_1_IN_USE
if (IS_SERIAL_BOX_1(p_per_base))
{
m_serial_box_1.acquired = false;
}
else
#endif
#ifdef SERIAL_BOX_2_IN_USE
if (IS_SERIAL_BOX_2(p_per_base))
{
m_serial_box_2.acquired = false;
}
else
#endif
#ifdef COMP_LPCOMP_IN_USE
if (IS_COMP_LPCOMP(p_per_base))
{
m_comp_lpcomp.acquired = false;
}
else
#endif
{}
}
#endif // NRF_MODULE_ENABLED(PERIPHERAL_RESOURCE_SHARING)
#if NRF_MODULE_ENABLED(POWER)
void nrf_drv_common_power_irq_disable(void)
{
#if NRF_DRV_COMMON_POWER_CLOCK_ISR
if(!nrf_drv_clock_init_check())
#endif
{
nrf_drv_common_irq_disable(POWER_CLOCK_IRQn);
}
}
#endif
#if NRF_MODULE_ENABLED(CLOCK)
void nrf_drv_common_clock_irq_disable(void)
{
#if NRF_DRV_COMMON_POWER_CLOCK_ISR
if(!nrf_drv_power_init_check())
#endif
{
nrf_drv_common_irq_disable(POWER_CLOCK_IRQn);
}
}
#endif
#if NRF_DRV_COMMON_POWER_CLOCK_ISR
void POWER_CLOCK_IRQHandler(void)
{
extern void nrf_drv_clock_onIRQ(void);
extern void nrf_drv_power_onIRQ(void);
nrf_drv_clock_onIRQ();
nrf_drv_power_onIRQ();
}
#endif // NRF_DRV_COMMON_POWER_CLOCK_ISR
void nrf_drv_common_irq_enable(IRQn_Type IRQn, uint8_t priority)
{
INTERRUPT_PRIORITY_ASSERT(priority);
NVIC_SetPriority(IRQn, priority);
NVIC_ClearPendingIRQ(IRQn);
NVIC_EnableIRQ(IRQn);
}
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