add initial labs

2025-10-22 12:39:31 +09:00
parent e7ac32e095
commit 426dea59f0
36 changed files with 4053 additions and 1 deletions
--- a/labs/lab_w2/Clock.h
+++ b/labs/lab_w2/Clock.h
@@ -0,0 +1,99 @@
+/**
+ * @file      Clock.h
+ * @brief     Provide functions that initialize the MSP432 clock module
+ * @details   Reconfigure MSP432 to run at 48 MHz
+ * @version   TI-RSLK MAX v1.1
+ * @author    Daniel Valvano and Jonathan Valvano
+ * @copyright Copyright 2019 by Jonathan W. Valvano, valvano@mail.utexas.edu,
+ * @warning   AS-IS
+ * @note      For more information see  http://users.ece.utexas.edu/~valvano/
+ * @date      June 28, 2019
+
+ ******************************************************************************/
+
+/* This example accompanies the book
+   "Embedded Systems: Introduction to Robotics,
+   Jonathan W. Valvano, ISBN: 9781074544300, copyright (c) 2019
+ For more information about my classes, my research, and my books, see
+ http://users.ece.utexas.edu/~valvano/
+
+Simplified BSD License (FreeBSD License)
+Copyright (c) 2017, Jonathan Valvano, 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 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.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
+
+The views and conclusions contained in the software and documentation are
+those of the authors and should not be interpreted as representing official
+policies, either expressed or implied, of the FreeBSD Project.
+*/
+#include <stdint.h>
+/**
+ * Configure the MSP432 clock to run at 48 MHz
+ * @param none
+ * @return none
+ * @note  Since the crystal is used, the bus clock will be very accurate
+ * @see Clock_GetFreq()
+ * @brief  Initialize clock to 48 MHz
+ */
+void Clock_Init48MHz(void);
+ 
+
+/**
+ * Return the current bus clock frequency
+ * @param none
+ * @return frequency of the system clock in Hz
+ * @note  In this module, the return result will be 3000000 or 48000000
+ * @see Clock_Init48MHz()
+ * @brief Returns current clock bus frequency in Hz
+ */
+uint32_t Clock_GetFreq(void);
+
+
+/**
+ * Simple delay function which delays about n milliseconds.
+ * It is implemented with a nested for-loop and is very approximate.
+ * @param  n is the number of msec to wait
+ * @return none
+ * @note This function assumes a 48 MHz clock.
+ * This implementation is not very accurate.
+ * To improve accuracy, you could tune this function
+ * by adjusting the constant within the implementation
+ * found in the <b>Clock.c</b> file.
+ * For a more accurate time delay, you could use the SysTick module.
+ * @brief  Software implementation of a busy-wait delay
+ */
+void Clock_Delay1ms(uint32_t n);
+
+/**
+ * Simple delay function which delays about n microseconds.
+ * It is implemented with a nested for-loop and is very approximate.
+ * @param  n is the number of usec to wait
+ * @return none
+ * @note This function assumes a 48 MHz clock.
+ * This implementation is not very accurate.
+ * To improve accuracy, you could tune this function
+ * by adjusting the constant within the implementation
+ * found in the <b>Clock.c</b> file.
+ * For a more accurate time delay, you could use the SysTick module.
+ * @brief  Software implementation of a busy-wait delay
+ */
+void Clock_Delay1us(uint32_t n);
+