Import Mbed OS hard-float snapshot

targets/TARGET_Cypress/TARGET_PSOC6/cy_flash_api.c

@@ -0,0 +1,95 @@
+/* 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 "flash_api.h"
+#include "cyhal_flash.h"
+
+#if DEVICE_FLASH
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int32_t flash_init(flash_t *obj)
+{
+    if (CY_RSLT_SUCCESS != cyhal_flash_init(&(obj->flash))) {
+        return -1;
+    }
+    cyhal_flash_get_info(&(obj->flash), &(obj->info));
+    return 0;
+}
+
+int32_t flash_free(flash_t *obj)
+{
+    cyhal_flash_free(&(obj->flash));
+    return 0;
+}
+
+int32_t flash_erase_sector(flash_t *obj, uint32_t address)
+{
+    return CY_RSLT_SUCCESS == cyhal_flash_erase(&(obj->flash), address) ? 0 : -1;
+}
+
+int32_t flash_read(flash_t *obj, uint32_t address, uint8_t *data, uint32_t size)
+{
+    return CY_RSLT_SUCCESS == cyhal_flash_read(&(obj->flash), address, data, size) ? 0 : -1;
+}
+
+int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
+{
+    MBED_ASSERT(0 == (address % obj->info.blocks[0].page_size));
+    MBED_ASSERT(0 == (size % obj->info.blocks[0].page_size));
+    for (uint32_t offset = 0; offset < size; offset += obj->info.blocks[0].page_size) {
+        if (CY_RSLT_SUCCESS != cyhal_flash_program(&(obj->flash), address + offset, (const uint32_t *)(data + offset))) {
+            return -1;
+        }
+    }
+    return 0;
+}
+
+uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
+{
+    if (address < obj->info.blocks[0].start_address || address >= obj->info.blocks[0].start_address + obj->info.blocks[0].size) {
+        return MBED_FLASH_INVALID_SIZE;
+    }
+    return obj->info.blocks[0].sector_size;
+}
+
+uint32_t flash_get_page_size(const flash_t *obj)
+{
+    return obj->info.blocks[0].page_size;
+}
+
+uint32_t flash_get_start_address(const flash_t *obj)
+{
+    return obj->info.blocks[0].start_address;
+}
+
+uint32_t flash_get_size(const flash_t *obj)
+{
+    return obj->info.blocks[0].size;
+}
+
+uint8_t flash_get_erase_value(const flash_t *obj)
+{
+    return obj->info.blocks[0].erase_value;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif