1 files changed, 161 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/ant_boot_settings_api.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/ant_boot_settings_api.c
new file mode 100644
index 0000000..88c2a2f
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/dfu/experimental/ant_bootloader/ant_boot_settings_api.c
@@ -0,0 +1,161 @@
+/**
+ * This software is subject to the ANT+ Shared Source License
+ * www.thisisant.com/swlicenses
+ * Copyright (c) Dynastream Innovations, Inc. 2014
+ * 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 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 Dynastream nor the names of its
+ *    contributors may be used to endorse or promote products
+ *    derived from this software without specific prior
+ *    written permission.
+ * 
+ * The following actions are prohibited:
+ * 1) Redistribution of source code containing the ANT+ Network
+ *    Key. The ANT+ Network Key is available to ANT+ Adopters.
+ *    Please refer to http://thisisant.com to become an ANT+
+ *    Adopter and access the key.
+ * 
+ * 2) Reverse engineering, decompilation, and/or disassembly of
+ *    software provided in binary form under this license.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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; DAMAGE TO ANY DEVICE, 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. SOME STATES DO NOT ALLOW
+ * THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE
+ * ABOVE LIMITATIONS MAY NOT APPLY TO YOU.
+ * 
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "ant_interface.h"
+#include "ant_parameters.h"
+#include "nrf_sdh_soc.h"
+
+
+#include "bootloader_types.h"
+#include "ant_boot_settings_api.h"
+
+ /**< This variable reserves a codepage for bootloader specific settings, to ensure the compiler doesn't locate any code or variables at his location. */
+#if defined ( __CC_ARM )
+uint8_t m_ant_boot_settings[ANT_BOOT_SETTINGS_SIZE] __attribute__((at(ANT_BOOT_SETTINGS_LOCATION)));
+#else
+uint8_t m_ant_boot_settings[ANT_BOOT_SETTINGS_SIZE] __attribute__((section (".ant_boot_settings"))) __attribute__((used));
+#endif
+
+volatile uint8_t mb_flash_busy = false;
+/*
+ * sd_flash_page_erase() and sd_flash_write() generates an event at SD_EVT_IRQHandler
+ * Please include run this function inside SD_EVT_IRQHandler
+ *
+ */
+void ant_boot_settings_sys_event_handler(uint32_t sys_evt, void * p_context)
+{
+    if ((sys_evt == NRF_EVT_FLASH_OPERATION_SUCCESS) || (sys_evt == NRF_EVT_FLASH_OPERATION_ERROR))
+    {
+        mb_flash_busy = false;
+    }
+}
+
+NRF_SDH_SOC_OBSERVER(m_soc_evt_observer, 0, ant_boot_settings_sys_event_handler, NULL);
+
+uint32_t ant_boot_settings_save(ant_boot_settings_t * boot_settings)
+{
+    ret_code_t err_code = NRF_SUCCESS;
+
+    mb_flash_busy = true;
+    err_code      = sd_flash_write((uint32_t *) ANT_BOOT_SETTINGS_LOCATION,
+                                   (uint32_t*)boot_settings,
+                                    ANT_BOOT_SETTINGS_SIZE / 4);
+    if (err_code == NRF_SUCCESS)
+    {
+        while (mb_flash_busy); // wait until it is done
+    }
+    else
+    {
+        return err_code;
+    }
+
+    return err_code;
+}
+
+uint32_t ant_boot_settings_clear(ant_boot_settings_t * boot_settings)
+{
+    ret_code_t err_code = NRF_SUCCESS;
+
+    // Clears \ presets the bootloader_settings memory
+    memset(boot_settings, 0xFF, sizeof(ant_boot_settings_t));
+
+    // Erases entire bootloader_settings in flash
+    mb_flash_busy = true;
+    err_code      = sd_flash_page_erase(FLASH_LAST_PAGE); // last flash page
+    if (err_code == NRF_SUCCESS)
+    {
+        while (mb_flash_busy); // wait until it is done
+    }
+    else
+    {
+        return err_code;
+    }
+
+    return err_code;
+}
+
+void ant_boot_settings_get(const ant_boot_settings_t ** pp_boot_settings)
+{
+    // Read only pointer to antfs boot settings in flash.
+    static ant_boot_settings_t const * const p_boot_settings =
+        (ant_boot_settings_t *)&m_ant_boot_settings[0];
+
+    *pp_boot_settings = p_boot_settings;
+}
+
+void ant_boot_settings_validate(bool enter_boot_mode)
+{
+    ret_code_t err_code  = NRF_SUCCESS;
+    uint32_t   param_flags;
+
+    if (enter_boot_mode)
+    {
+        param_flags = 0xFFFFFFFC;
+    }
+    else
+    {
+        param_flags = 0xFFFFFFFE;
+    }
+
+    mb_flash_busy = true;
+    err_code      = sd_flash_write((uint32_t *) ANT_BOOT_PARAM_FLAGS_BASE ,
+                                   (uint32_t *) &param_flags,
+                                    1);
+    if (err_code == NRF_SUCCESS)
+    {
+        while (mb_flash_busy); // wait until it is done
+    }
+}
+
+