Introduce a port for T-HEAD CK802. A simple demo for T-HEAD CB2201 is also included.

[freertos] / FreeRTOS / Source / portable / ThirdParty / CDK / T-HEAD_CK802 / portmacro.h

diff --git a/FreeRTOS/Source/portable/ThirdParty/CDK/T-HEAD_CK802/portmacro.h b/FreeRTOS/Source/portable/ThirdParty/CDK/T-HEAD_CK802/portmacro.h
new file mode 100644 (file)
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+++ b/FreeRTOS/Source/portable/ThirdParty/CDK/T-HEAD_CK802/portmacro.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * 1 tab == 4 spaces!
+ */
+
+#ifndef PORTMACRO_H
+#define PORTMACRO_H
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <csi_core.h>
+
+extern void vPortYield(void);
+#ifdef __cplusplus
+class vPortYield;
+extern "C" {
+#endif
+
+
+/*-----------------------------------------------------------
+ * Port specific definitions.
+ *
+ * The settings in this file configure FreeRTOS correctly for the
+ * given hardware and compiler.
+ *
+ * These settings should not be altered.
+ *-----------------------------------------------------------
+ */
+
+/* Type definitions. */
+#define portCHAR        char
+#define portFLOAT       float
+#define portDOUBLE      double
+#define portLONG        long
+#define portSHORT       short
+#define portSTACK_TYPE  uint32_t
+#define portBASE_TYPE   long
+
+typedef portSTACK_TYPE StackType_t;
+typedef long BaseType_t;
+typedef unsigned long UBaseType_t;
+typedef void (*portvectorfunc)(void);
+
+#if( configUSE_16_BIT_TICKS == 1 )
+    typedef uint16_t  TickType_t;
+    #define portMAX_DELAY ( TickType_t ) 0xffff
+#else
+    typedef uint32_t  TickType_t;
+    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
+#endif
+
+
+/* Hardware specifics. */
+#define portBYTE_ALIGNMENT          8
+#define portSTACK_GROWTH            -1
+#define portMS_PERIOD_TICK          10
+#define portTICK_PERIOD_MS             ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
+
+
+static inline void vPortEnableInterrupt( void )
+{
+    __enable_irq();
+}
+
+static inline void vPortDisableInterrupt( void )
+{
+    __disable_irq();
+}
+
+static inline portLONG GetCurrentPSR (void)
+{
+    return __get_PSR();
+}
+
+static inline portLONG SaveLocalPSR (void)
+{
+    portLONG flags = __get_PSR();
+    __disable_irq();
+    return flags;
+}
+
+static inline void RestoreLocalPSR (portLONG newMask)
+{
+    __asm__ __volatile__(
+    "mtcr   %0, psr \n"
+    :
+    :"r" (newMask)
+    :"memory"
+    );
+}
+
+extern void vPortEnterCritical( void );
+extern void vPortExitCritical( void );
+extern __attribute__((naked)) void cpu_yeild(void);
+
+#define portDISABLE_INTERRUPTS()                vPortDisableInterrupt()
+#define portENABLE_INTERRUPTS()                 vPortEnableInterrupt()
+#define portENTER_CRITICAL()                    vPortEnterCritical()
+#define portEXIT_CRITICAL()                     vPortExitCritical()
+#define portSET_INTERRUPT_MASK_FROM_ISR()       SaveLocalPSR()
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR(a)    RestoreLocalPSR(a)
+
+#define portNOP()                   asm("nop")
+
+extern portLONG ulCriticalNesting;
+extern portLONG pendsvflag;
+
+#define portYIELD()                 if (ulCriticalNesting == 0) \
+                                    {   \
+                                        vPortYield();   \
+                                    }   \
+                                    else \
+                                    {   \
+                                        pendsvflag = 1; \
+                                    }   \
+                                    portNOP();portNOP()
+
+/*-----------------------------------------------------------*/
+
+/* Task function macros as described on the FreeRTOS.org WEB site. */
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+/*-----------------------------------------------------------*/
+
+#define portEND_SWITCHING_ISR( xSwitchRequired )    do {    \
+                                                            if( xSwitchRequired != pdFALSE )    \
+                                                            {   \
+                                                                portYIELD();    \
+                                                            }   \
+                                                    }while(0)
+
+#define portYIELD_FROM_ISR( a )     vTaskSwitchContext()
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PORTMACRO_H */
+