Merge pull request #1 from TimerOverflow/20161028

20161028
TimerOverflow · Sep 10, 2021 · 66cbcd0 · 66cbcd0
2 parents b6dd449 + 0ff8cd4
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diff --git a/AvrUartBaud.c b/AvrUartBaud.c
@@ -0,0 +1,95 @@
+/*********************************************************************************/
+/*
+ * Author : Jung Hyun Gu
+ * File name : AvrUartBaud.c
+*/
+/*********************************************************************************/
+#include "AvrUartBaud.h"
+/*********************************************************************************/
+/** Global variable **/
+
+
+/*********************************************************************************/
+char AvrUartBaudControlInit(tag_UartBaudControl *BaudCtrl, long CpuClock, unsigned char volatile __tiny *pUBRRL, unsigned char volatile __tiny *pUBRRH)
+{
+	/*
+		1) Parameter
+			- BaudCtrl : 'tag_UartBaudControl'의 인스턴스 주소.
+			- CpuClock : Target CPU의 Clock Speed.
+			- pUBRRL, pUBRRH : Uart Baud Rate Register의 주소.
+		
+		2) Description
+			- Baud를 관리할 'tag_UartBaudControl' 인스턴스를 초기화한다.
+			- 본 초기화는 한번만 실행하면 된다.
+			- 다음 함수들은 반드시 본 초기화를 실행한 후 호출해야 한다.
+				AvrUartBaudChange();		
+	*/
+
+	if((pUBRRL) == null || (pUBRRH == null))
+	{
+		return false;
+	}
+
+	BaudCtrl->CpuClock = CpuClock;
+	BaudCtrl->Baud = BAUD_INIT;
+
+	BaudCtrl->pUBRRL = pUBRRL;
+	BaudCtrl->pUBRRH = pUBRRH;
+
+	BaudCtrl->Bit.Init = true;
+
+	return BaudCtrl->Bit.Init;
+}
+/*********************************************************************************/
+void AvrUartBaudChange(tag_UartBaudControl *BaudCtrl, Enum_BaudRate Baud)
+{
+	/*
+		1) Parameter
+			- BaudCtrl : 'tag_UartBaudControl'의 인스턴스 주소.
+			- Baud : 변경하고자 하는 baud rate.
+			
+		2) Description
+			- 'BaudCtrl' 인스턴스의 baud rate를 변경한다.
+	*/
+
+	if(BaudCtrl->Bit.Init == false)
+	{
+		return;
+		/* error */
+	}
+
+	if(BaudCtrl->Baud != Baud)
+	{
+		BaudCtrl->Baud = Baud;
+
+		switch(Baud)
+		{
+			default	:
+			case	BAUD_9600	:
+				*BaudCtrl->pUBRRH = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 9600, 0) >> 8);
+				*BaudCtrl->pUBRRL = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 9600, 0) & 0x00FF);   
+			break;
+
+			case	BAUD_19200	:
+				*BaudCtrl->pUBRRH = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 19200, 0) >> 8);
+				*BaudCtrl->pUBRRL = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 19200, 0) & 0x00FF);   
+			break;
+
+			case	BAUD_38400	:
+				*BaudCtrl->pUBRRH = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 38400, 0) >> 8);
+				*BaudCtrl->pUBRRL = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 38400, 0) & 0x00FF);   
+			break;
+
+			case	BAUD_57600	:
+				*BaudCtrl->pUBRRH = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 57600, 0) >> 8);
+				*BaudCtrl->pUBRRL = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 57600, 0) & 0x00FF);   
+			break;
+
+			case	BAUD_115200	:
+				*BaudCtrl->pUBRRH = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 115200, 0) >> 8);
+				*BaudCtrl->pUBRRL = (unsigned char) (GET_UBRR(BaudCtrl->CpuClock, 115200, 0) & 0x00FF);   
+			break;
+		}
+	}
+}
+/*********************************************************************************/
diff --git a/AvrUartBaud.h b/AvrUartBaud.h
@@ -0,0 +1,75 @@
+/*********************************************************************************/
+/*
+ * Author : Jung Hyun Gu
+ * File name : AvrUartBaud.h
+*/
+/*********************************************************************************/
+#ifndef __AVR_UART_BAUD_H__
+#define	__AVR_UART_BAUD_H__
+/*********************************************************************************/
+/** REVISION HISTORY **/
+/*
+	2016. 10. 28.					- 초기버전.
+	Jung Hyun Gu
+	
+	
+*/
+/*********************************************************************************/
+/**Define**/
+
+#define	true		1
+#define	false		0
+#define	null		0
+
+#define GET_UBRR(CPU_CLOCK, BAUD, U2X)			((CPU_CLOCK / (U2X ? 8 : 16) / BAUD) - 1)
+
+/*********************************************************************************/
+/**Enum**/
+
+typedef enum
+{
+	BAUD_9600 = 0,
+	BAUD_19200,
+	BAUD_38400,
+	BAUD_57600,
+	BAUD_115200,
+	BAUD_INIT,
+}Enum_BaudRate;
+
+/*********************************************************************************/
+/**Struct**/
+
+typedef struct
+{
+	struct
+	{
+		unsigned char Init		:		1;									//초기화
+
+	}Bit;
+
+	unsigned char volatile __tiny *pUBRRL;					//
+	unsigned char volatile __tiny *pUBRRH;					//
+
+	long CpuClock;																	//CPU클록
+	Enum_BaudRate Baud;															//
+}tag_UartBaudControl;
+
+/*********************************************************************************/
+/**Function**/
+
+char AvrUartBaudControlInit(tag_UartBaudControl *BaudCtrl, long CpuClock, unsigned char volatile __tiny *pUBRRL, unsigned char volatile __tiny *pUBRRH);
+void AvrUartBaudChange(tag_UartBaudControl *BaudCtrl, Enum_BaudRate Baud);
+
+/*********************************************************************************/
+#endif //__AVR_UART_BAUD_H__
+
+
+
+
+
+
+
+
+
+
+
diff --git a/README.md b/README.md
@@ -1,2 +1,8 @@
 # AvrUartBaud
 baudrate setting library for AVR
+
+- various baudrate support (9600 / 19200 / 38400 / 57600 / 115200)
+- automatic calculate baudrate optimized cpu clock 11.0592Mhz, 14.7456Mhz
+
+# Build & Tested Environment
+- IAR C/C++ Compiler for AVR 6.11.1 (6.11.1.50453)
diff --git a/example/AvrUartBaud.dep b/example/AvrUartBaud.dep
@@ -0,0 +1,208 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<project>
+  <fileVersion>2</fileVersion>
+  <fileChecksum>3752300360</fileChecksum>
+  <configuration>
+    <name>Debug</name>
+    <outputs>
+      <file>$PROJ_DIR$\main.c</file>
+      <file>$PROJ_DIR$\Debug\Obj\main.r90</file>
+      <file>$PROJ_DIR$\Debug\Exe\AvrUartBaud.d90</file>
+      <file>$PROJ_DIR$\Debug\Obj\AvrUartBaud.pbd</file>
+      <file>$PROJ_DIR$\Debug\Obj\main.pbi</file>
+      <file>$TOOLKIT_DIR$\inc\comp_a90.h</file>
+      <file>$TOOLKIT_DIR$\inc\intrinsics.h</file>
+      <file>$TOOLKIT_DIR$\inc\inavr.h</file>
+      <file>$PROJ_DIR$\Debug\Obj\AvrUartBaud.r90</file>
+      <file>$PROJ_DIR$\..\AvrUartBaud.h</file>
+      <file>$TOOLKIT_DIR$\inc\iom64.h</file>
+      <file>$TOOLKIT_DIR$\inc\iomacro.h</file>
+      <file>$PROJ_DIR$\Debug\Exe\AvrUartBaud(AT64).d90</file>
+      <file>$TOOLKIT_DIR$\inc\ina90.h</file>
+      <file>$TOOLKIT_DIR$\config\lnkm64s.xcl</file>
+      <file>$TOOLKIT_DIR$\lib\clib\cl3s-ec_mul-sf.r90</file>
+      <file>$PROJ_DIR$\..\AvrUartBaud.c</file>
+      <file>$PROJ_DIR$\Debug\Obj\AvrUartBaud.pbi</file>
+      <file>$TOOLKIT_DIR$\inc\bitdefinitions\iom64.inc</file>
+    </outputs>
+    <file>
+      <name>[ROOT_NODE]</name>
+      <outputs>
+        <tool>
+          <name>XLINK</name>
+          <file> 12</file>
+        </tool>
+      </outputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\main.c</name>
+      <outputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 4</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 1</file>
+        </tool>
+      </outputs>
+      <inputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 10 11 18 13 7 6 5</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 10 11 18 13 7 6 5 9</file>
+        </tool>
+      </inputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\Debug\Obj\AvrUartBaud.pbd</name>
+      <inputs>
+        <tool>
+          <name>BILINK</name>
+          <file> 17 4</file>
+        </tool>
+      </inputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\Debug\Exe\AvrUartBaud(AT64).d90</name>
+      <inputs>
+        <tool>
+          <name>XLINK</name>
+          <file> 14 8 1 15</file>
+        </tool>
+      </inputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\AvrUartBaud.c</name>
+      <outputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 17</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 8</file>
+        </tool>
+      </outputs>
+      <inputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 9</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 9</file>
+        </tool>
+      </inputs>
+    </file>
+    <forcedrebuild>
+      <name>[REBUILD_ALL]</name>
+    </forcedrebuild>
+  </configuration>
+  <configuration>
+    <name>Release</name>
+    <outputs>
+      <file>$PROJ_DIR$\main.c</file>
+      <file>$PROJ_DIR$\Release\Obj\AvrUartBaud.r90</file>
+      <file>$PROJ_DIR$\Release\Obj\AvrUartBaud.pbi</file>
+      <file>$PROJ_DIR$\Release\Exe\AvrUartBaud(AT64).hex</file>
+      <file>$TOOLKIT_DIR$\inc\comp_a90.h</file>
+      <file>$TOOLKIT_DIR$\inc\intrinsics.h</file>
+      <file>$TOOLKIT_DIR$\inc\inavr.h</file>
+      <file>$PROJ_DIR$\..\AvrUartBaud.h</file>
+      <file>$TOOLKIT_DIR$\inc\iom64.h</file>
+      <file>$TOOLKIT_DIR$\inc\iomacro.h</file>
+      <file>$TOOLKIT_DIR$\inc\ina90.h</file>
+      <file>$PROJ_DIR$\Release\Obj\main.r90</file>
+      <file>$TOOLKIT_DIR$\config\lnkm64s.xcl</file>
+      <file>$PROJ_DIR$\Release\Obj\main.pbi</file>
+      <file>$TOOLKIT_DIR$\lib\clib\cl3s-ec_mul-sf.r90</file>
+      <file>$PROJ_DIR$\..\AvrUartBaud.c</file>
+      <file>$PROJ_DIR$\Release\Obj\AvrUartBaud.pbd</file>
+      <file>$TOOLKIT_DIR$\inc\bitdefinitions\iom64.inc</file>
+      <file>$PROJ_DIR$\Release\Exe\AvrUartBaud.hex</file>
+    </outputs>
+    <file>
+      <name>[ROOT_NODE]</name>
+      <outputs>
+        <tool>
+          <name>XLINK</name>
+          <file> 3</file>
+        </tool>
+      </outputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\main.c</name>
+      <outputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 13</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 11</file>
+        </tool>
+      </outputs>
+      <inputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 8 9 17 10 6 5 4</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 8 9 17 10 6 5 4 7</file>
+        </tool>
+      </inputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\Release\Exe\AvrUartBaud(AT64).hex</name>
+      <inputs>
+        <tool>
+          <name>XLINK</name>
+          <file> 12 1 11 14</file>
+        </tool>
+      </inputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\AvrUartBaud.c</name>
+      <outputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 2</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 1</file>
+        </tool>
+      </outputs>
+      <inputs>
+        <tool>
+          <name>BICOMP</name>
+          <file> 7</file>
+        </tool>
+        <tool>
+          <name>ICCAVR</name>
+          <file> 7</file>
+        </tool>
+      </inputs>
+    </file>
+    <file>
+      <name>$PROJ_DIR$\Release\Obj\AvrUartBaud.pbd</name>
+      <inputs>
+        <tool>
+          <name>BILINK</name>
+          <file> 2 13</file>
+        </tool>
+      </inputs>
+    </file>
+    <forcedrebuild>
+      <name>[REBUILD_ALL]</name>
+    </forcedrebuild>
+  </configuration>
+</project>
+
+