move components to SDK dir

SDK/12.3.0_d7731ad/components/libraries/uart/retarget.c

@@ -0,0 +1,157 @@
+/**
+ * Copyright (c) 2014 - 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 "sdk_common.h"
+/** @file
+ *
+ * @defgroup retarget Retarget layer for stdio functions
+ * @{
+ * @ingroup app_common
+ * @} */
+#if NRF_MODULE_ENABLED(RETARGET)
+#if !defined(NRF_LOG_USES_RTT) || NRF_LOG_USES_RTT != 1
+#if !defined(HAS_SIMPLE_UART_RETARGET)
+
+
+#include <stdio.h>
+#include <stdint.h>
+#include "app_uart.h"
+#include "nrf_error.h"
+
+
+#if defined(__CC_ARM)
+
+// This part is taken from MDK-ARM template file and is required here to prevent
+// linker from selecting libraries functions that use semihosting and failing
+// because of multiple definitions of fgetc() and fputc().
+// Refer to: http://www.keil.com/support/man/docs/gsac/gsac_retargetcortex.htm
+// -- BEGIN --
+struct __FILE { int handle; /* Add whatever you need here */ };
+FILE __stdout;
+FILE __stdin;
+// --- END ---
+
+int fgetc(FILE * p_file)
+{
+    uint8_t input;
+    while (app_uart_get(&input) == NRF_ERROR_NOT_FOUND)
+    {
+        // No implementation needed.
+    }
+    return input;
+}
+
+int fputc(int ch, FILE * p_file)
+{
+    UNUSED_PARAMETER(p_file);
+
+    UNUSED_VARIABLE(app_uart_put((uint8_t)ch));
+    return ch;
+}
+
+#elif defined(__GNUC__)
+
+int _write(int file, const char * p_char, int len)
+{
+    int i;
+
+    UNUSED_PARAMETER(file);
+
+    for (i = 0; i < len; i++)
+    {
+        UNUSED_VARIABLE(app_uart_put(*p_char++));
+    }
+
+    return len;
+}
+
+int _read(int file, char * p_char, int len)
+{
+    UNUSED_PARAMETER(file);
+    while (app_uart_get((uint8_t *)p_char) == NRF_ERROR_NOT_FOUND)
+    {
+        // No implementation needed.
+    }
+
+    return 1;
+}
+
+#elif defined(__ICCARM__)
+
+size_t __write(int handle, const unsigned char * buffer, size_t size)
+{
+    int i;
+    UNUSED_PARAMETER(handle);
+    for (i = 0; i < size; i++)
+    {
+        UNUSED_VARIABLE(app_uart_put(*buffer++));
+    }
+    return size;
+}
+
+size_t __read(int handle, unsigned char * buffer, size_t size)
+{
+    UNUSED_PARAMETER(handle);
+    UNUSED_PARAMETER(size);
+    while (app_uart_get((uint8_t *)buffer) == NRF_ERROR_NOT_FOUND)
+    {
+        // No implementation needed.
+    }
+
+    return 1;
+}
+
+long __lseek(int handle, long offset, int whence)
+{
+    return -1;
+}
+int __close(int handle)
+{
+    return 0;
+}
+int remove(const char * filename)
+{
+    return 0;
+}
+
+#endif
+
+#endif // !defined(HAS_SIMPLE_UART_RETARGET)
+#endif // NRF_LOG_USES_RTT != 1
+#endif //NRF_MODULE_ENABLED(RETARGET)