初始版本

2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
2974 changed files with 1712873 additions and 54 deletions
--- a/components/nfc/platform/nfc_platform.c
+++ b/components/nfc/platform/nfc_platform.c
@@ -0,0 +1,126 @@
+/**
+ * Copyright (c) 2018 - 2020, 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 "sdk_common.h"
+#if NRF_MODULE_ENABLED(NFC_PLATFORM)
+
+#include "nfc_platform.h"
+#include "nrf_drv_clock.h"
+
+#define NRF_LOG_MODULE_NAME nfc_platform
+#if NFC_PLATFORM_LOG_ENABLED
+#define NRF_LOG_LEVEL       NFC_PLATFORM_LOG_LEVEL
+#define NRF_LOG_INFO_COLOR  NFC_PLATFORM_INFO_COLOR
+#define NRF_LOG_DEBUG_COLOR NFC_PLATFORM_DEBUG_COLOR
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+#else // NFC_PLATFORM_LOG_ENABLED
+#define NRF_LOG_LEVEL       0
+#include "nrf_log.h"
+#endif // NFC_PLATFORM_LOG_ENABLED
+
+/* Static data */
+static nrf_drv_clock_handler_item_t m_clock_handler_item; /**< Clock event handler item structure. */
+
+/**@brief Function for handling events from the Clock module.
+ *
+ * @param[in]  event  Clock event.
+ *
+ */
+static inline void clock_event_handler(nrf_drv_clock_evt_type_t event)
+{
+    switch(event)
+    {
+        case NRF_DRV_CLOCK_EVT_HFCLK_STARTED:
+            /* Activate NFCT only when HFXO is running */
+            nrfx_nfct_state_force(NRFX_NFCT_STATE_ACTIVATED);
+            break;
+
+        default:
+            /* No implementation required */
+            break;
+    }
+}
+
+
+nrfx_err_t nfc_platform_setup(void)
+{
+    nrfx_err_t err_code;
+
+    /* Initialize the Clock module for handling high precision clock requests */
+    m_clock_handler_item.event_handler = clock_event_handler;
+    m_clock_handler_item.p_next        = NULL;
+
+    err_code = nrf_drv_clock_init();
+    if (err_code == NRF_ERROR_MODULE_ALREADY_INITIALIZED)
+    {
+        err_code = NRFX_SUCCESS;
+    }
+    else if (err_code != NRF_SUCCESS)
+    {
+        return NRFX_ERROR_INTERNAL;
+    }
+
+    NRF_LOG_DEBUG("Utils init");
+    return err_code;
+}
+
+
+void nfc_platform_event_handler(nrfx_nfct_evt_t const * p_event)
+{
+    switch (p_event->evt_id)
+    {
+        case NRFX_NFCT_EVT_FIELD_DETECTED:
+            NRF_LOG_DEBUG("Field detected");
+            nrf_drv_clock_hfclk_request(&m_clock_handler_item);
+            break;
+
+        case NRFX_NFCT_EVT_FIELD_LOST:
+            NRF_LOG_DEBUG("Field lost");
+            nrf_drv_clock_hfclk_release();
+            break;
+
+        default:
+            /* No implementation required */
+            break;
+    }
+}
+
+#endif // NRF_MODULE_ENABLED(NFC_PLATFORM)