Import Mbed OS hard-float snapshot

targets/TARGET_Cypress/TARGET_PSOC6/cy_rtc_api.c

@@ -0,0 +1,73 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2019, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "rtc_api.h"
+#include "cyhal_rtc.h"
+#include "mbed_error.h"
+#include "mbed_mktime.h"
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static cyhal_rtc_t cy_rtc;
+
+void rtc_init(void)
+{
+    if (CY_RSLT_SUCCESS != cyhal_rtc_init(&cy_rtc)) {
+        MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER, MBED_ERROR_CODE_FAILED_OPERATION), "cyhal_rtc_init");
+    }
+}
+
+void rtc_free(void)
+{
+    cyhal_rtc_free(&cy_rtc);
+}
+
+int rtc_isenabled(void)
+{
+    return cyhal_rtc_is_enabled(&cy_rtc) ? 1 : 0;
+}
+
+time_t rtc_read(void)
+{
+    struct tm rtc_time;
+    if (CY_RSLT_SUCCESS != cyhal_rtc_read(&cy_rtc, &rtc_time)) {
+        MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER, MBED_ERROR_CODE_FAILED_OPERATION), "cyhal_rtc_read");
+    }
+    time_t seconds;
+    if (!_rtc_maketime(&rtc_time, &seconds, RTC_FULL_LEAP_YEAR_SUPPORT)) {
+        MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER, MBED_ERROR_CODE_FAILED_OPERATION), "_rtc_maketime");
+    }
+    return seconds;
+}
+
+void rtc_write(time_t t)
+{
+    struct tm rtc_time;
+    if (!_rtc_localtime(t, &rtc_time, RTC_FULL_LEAP_YEAR_SUPPORT)) {
+        MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER, MBED_ERROR_CODE_FAILED_OPERATION), "_rtc_localtime");
+    }
+    if (CY_RSLT_SUCCESS != cyhal_rtc_write(&cy_rtc, &rtc_time)) {
+        MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER, MBED_ERROR_CODE_FAILED_OPERATION), "cyhal_rtc_write");
+    }
+}
+
+#ifdef __cplusplus
+}
+#endif