Memory to Memory DMA demo from CMSIS example. This demo execute 1000 times of 32 word memory to memory DMA (copy), and also measures number of dummy loop execution during DMA cylcles. Line 56 of "DMA_M2M.c" can change DMA source. where; 1)static : source is SRAM 2)const : source is Flash ROM
lpc17xx_libcfg.h
00001 /***********************************************************************//** 00002 * @file lpc17xx_libcfg.h 00003 * @purpose Library configuration file 00004 * @version 2.0 00005 * @date 21. May. 2010 00006 * @author NXP MCU SW Application Team 00007 ************************************************************************** 00008 * Software that is described herein is for illustrative purposes only 00009 * which provides customers with programming information regarding the 00010 * products. This software is supplied "AS IS" without any warranties. 00011 * NXP Semiconductors assumes no responsibility or liability for the 00012 * use of the software, conveys no license or title under any patent, 00013 * copyright, or mask work right to the product. NXP Semiconductors 00014 * reserves the right to make changes in the software without 00015 * notification. NXP Semiconductors also make no representation or 00016 * warranty that such application will be suitable for the specified 00017 * use without further testing or modification. 00018 **************************************************************************/ 00019 00020 #ifndef LPC17XX_LIBCFG_H_ 00021 #define LPC17XX_LIBCFG_H_ 00022 00023 #include "lpc_types.h" 00024 00025 00026 /************************** DEBUG MODE DEFINITIONS *********************************/ 00027 /* Un-comment the line below to compile the library in DEBUG mode, this will expanse 00028 the "CHECK_PARAM" macro in the FW library code */ 00029 00030 #define DEBUG 00031 00032 00033 /******************* PERIPHERAL FW LIBRARY CONFIGURATION DEFINITIONS ***********************/ 00034 00035 /* Comment the line below to disable the specific peripheral inclusion */ 00036 00037 /* DEBUG_FRAMWORK ------------------------------ */ 00038 #define _DBGFWK 00039 00040 /* GPIO ------------------------------- */ 00041 //#define _GPIO 00042 00043 /* EXTI ------------------------------- */ 00044 //#define _EXTI 00045 00046 /* UART ------------------------------- */ 00047 #define _UART 00048 #define _UART0 00049 //#define _UART1 00050 //#define _UART2 00051 //#define _UART3 00052 00053 /* SPI ------------------------------- */ 00054 //#define _SPI 00055 00056 /* SSP ------------------------------- */ 00057 //#define _SSP 00058 //#define _SSP0 00059 //#define _SSP1 00060 00061 /* SYSTICK --------------------------- */ 00062 //#define _SYSTICK 00063 00064 /* I2C ------------------------------- */ 00065 //#define _I2C 00066 //#define _I2C0 00067 //#define _I2C1 00068 //#define _I2C2 00069 00070 /* TIMER ------------------------------- */ 00071 //#define _TIM 00072 00073 /* WDT ------------------------------- */ 00074 //#define _WDT 00075 00076 00077 /* GPDMA ------------------------------- */ 00078 #define _GPDMA 00079 00080 00081 /* DAC ------------------------------- */ 00082 //#define _DAC 00083 00084 /* DAC ------------------------------- */ 00085 //#define _ADC 00086 00087 00088 /* PWM ------------------------------- */ 00089 //#define _PWM 00090 //#define _PWM1 00091 00092 /* RTC ------------------------------- */ 00093 //#define _RTC 00094 00095 /* I2S ------------------------------- */ 00096 //#define _I2S 00097 00098 /* USB device ------------------------------- */ 00099 //#define _USBDEV 00100 //#define _USB_DMA 00101 00102 /* QEI ------------------------------- */ 00103 //#define _QEI 00104 00105 /* MCPWM ------------------------------- */ 00106 //#define _MCPWM 00107 00108 /* CAN--------------------------------*/ 00109 //#define _CAN 00110 00111 /* RIT ------------------------------- */ 00112 //#define _RIT 00113 00114 /* EMAC ------------------------------ */ 00115 //#define _EMAC 00116 00117 /************************** GLOBAL/PUBLIC MACRO DEFINITIONS *********************************/ 00118 00119 #ifdef DEBUG 00120 /******************************************************************************* 00121 * @brief The CHECK_PARAM macro is used for function's parameters check. 00122 * It is used only if the library is compiled in DEBUG mode. 00123 * @param[in] expr - If expr is false, it calls check_failed() function 00124 * which reports the name of the source file and the source 00125 * line number of the call that failed. 00126 * - If expr is true, it returns no value. 00127 * @return None 00128 *******************************************************************************/ 00129 #define CHECK_PARAM(expr) ((expr) ? (void)0 : check_failed((uint8_t *)__FILE__, __LINE__)) 00130 #else 00131 #define CHECK_PARAM(expr) 00132 #endif /* DEBUG */ 00133 00134 00135 00136 /************************** GLOBAL/PUBLIC FUNCTION DECLARATION *********************************/ 00137 00138 #ifdef DEBUG 00139 void check_failed(uint8_t *file, uint32_t line); 00140 #endif 00141 00142 00143 #endif /* LPC17XX_LIBCFG_H_ */
Generated on Tue Jul 12 2022 21:38:20 by 1.7.2