Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

csky/libs/libc/minilibc_port.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
+ *
+ * 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.
+ */
+
+/******************************************************************************
+ * @file     minilibc_port.c
+ * @brief    minilibc port
+ * @version  V1.0
+ * @date     26. Dec 2017
+ ******************************************************************************/
+
+#include <stdio.h>
+#include <csi_config.h>
+#ifndef CONFIG_KERNEL_NONE
+#include <csi_kernel.h>
+#endif
+
+#ifdef CONFIG_CHIP_YUNVOICE
+#include <drv_usi_usart.h>
+#else
+//#include <drv_usart.h>
+#endif
+
+#ifdef CONFIG_CHIP_YUNVOICE
+#define csi_usart_putchar     drv_usi_usart_putchar
+#define csi_usart_getchar     drv_usi_usart_getchar
+#endif
+
+extern void *console_handle;
+int32_t csi_usart_getchar(void* handle, uint8_t *ch);
+int32_t csi_usart_putchar(void*      handle, uint8_t ch);
+
+int fputc(int ch, FILE *stream)
+{
+    (void)stream;
+
+    if (console_handle == NULL) {
+        return -1;
+    }
+
+    if (ch == '\n') {
+        csi_usart_putchar(console_handle, '\r');
+    }
+
+    csi_usart_putchar(console_handle, ch);
+
+    return 0;
+}
+
+int fgetc(FILE *stream)
+{
+    uint8_t ch;
+    (void)stream;
+
+    if (console_handle == NULL) {
+        return -1;
+    }
+
+    csi_usart_getchar(console_handle, &ch);
+
+    return ch;
+}
+
+/* For printf functions only, do not modify.
+ */
+int os_critical_enter(unsigned int *lock)
+{
+//    (void)lock;
+//#ifndef CONFIG_KERNEL_NONE
+//    csi_kernel_sched_suspend();
+//#endif
+
+    return 0;
+}
+
+/* For printf functions only, do not modify.
+ */
+int os_critical_exit(unsigned int *lock)
+{
+//    (void)lock;
+//#ifndef CONFIG_KERNEL_NONE
+//    csi_kernel_sched_resume(0);
+//#endif
+
+    return 0;
+}