rtc, keeping time

1 files changed, 296 insertions, 0 deletions

diff --git a/drivers_nrf/nrf_drv_common.c b/drivers_nrf/nrf_drv_common.c
new file mode 100644
index 0000000..e11706b
--- /dev/null
+++ b/drivers_nrf/nrf_drv_common.c
@@ -0,0 +1,296 @@
+/**
+ * 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);
+}