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comparison libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/FLASH_RAM/main.c @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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-1:000000000000 | 0:c59513fd84fb |
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1 /** | |
2 ****************************************************************************** | |
3 * @file DMA/FLASH_RAM/main.c | |
4 * @author MCD Application Team | |
5 * @version V3.5.0 | |
6 * @date 08-April-2011 | |
7 * @brief Main program body | |
8 ****************************************************************************** | |
9 * @attention | |
10 * | |
11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS | |
12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE | |
13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY | |
14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING | |
15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE | |
16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. | |
17 * | |
18 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> | |
19 ****************************************************************************** | |
20 */ | |
21 | |
22 /* Includes ------------------------------------------------------------------*/ | |
23 #include "stm32f10x.h" | |
24 | |
25 /** @addtogroup STM32F10x_StdPeriph_Examples | |
26 * @{ | |
27 */ | |
28 | |
29 /** @addtogroup DMA_FLASH_RAM | |
30 * @{ | |
31 */ | |
32 | |
33 /* Private typedef -----------------------------------------------------------*/ | |
34 typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; | |
35 | |
36 /* Private define ------------------------------------------------------------*/ | |
37 #define BufferSize 32 | |
38 | |
39 /* Private macro -------------------------------------------------------------*/ | |
40 /* Private variables ---------------------------------------------------------*/ | |
41 DMA_InitTypeDef DMA_InitStructure; | |
42 __IO uint32_t CurrDataCounterBegin = 0; | |
43 __IO uint32_t CurrDataCounterEnd = 0x01; /* This variable should not be initialized to 0 */ | |
44 | |
45 TestStatus TransferStatus = FAILED; | |
46 const uint32_t SRC_Const_Buffer[BufferSize]= { | |
47 0x01020304,0x05060708,0x090A0B0C,0x0D0E0F10, | |
48 0x11121314,0x15161718,0x191A1B1C,0x1D1E1F20, | |
49 0x21222324,0x25262728,0x292A2B2C,0x2D2E2F30, | |
50 0x31323334,0x35363738,0x393A3B3C,0x3D3E3F40, | |
51 0x41424344,0x45464748,0x494A4B4C,0x4D4E4F50, | |
52 0x51525354,0x55565758,0x595A5B5C,0x5D5E5F60, | |
53 0x61626364,0x65666768,0x696A6B6C,0x6D6E6F70, | |
54 0x71727374,0x75767778,0x797A7B7C,0x7D7E7F80}; | |
55 uint32_t DST_Buffer[BufferSize]; | |
56 | |
57 /* Private function prototypes -----------------------------------------------*/ | |
58 void RCC_Configuration(void); | |
59 void NVIC_Configuration(void); | |
60 TestStatus Buffercmp(const uint32_t* pBuffer, uint32_t* pBuffer1, uint16_t BufferLength); | |
61 | |
62 /* Private functions ---------------------------------------------------------*/ | |
63 | |
64 /** | |
65 * @brief Main program | |
66 * @param None | |
67 * @retval None | |
68 */ | |
69 int main(void) | |
70 { | |
71 /*!< At this stage the microcontroller clock setting is already configured, | |
72 this is done through SystemInit() function which is called from startup | |
73 file (startup_stm32f10x_xx.s) before to branch to application main. | |
74 To reconfigure the default setting of SystemInit() function, refer to | |
75 system_stm32f10x.c file | |
76 */ | |
77 | |
78 /* System Clocks Configuration */ | |
79 RCC_Configuration(); | |
80 | |
81 /* NVIC configuration */ | |
82 NVIC_Configuration(); | |
83 | |
84 /* DMA1 channel6 configuration */ | |
85 DMA_DeInit(DMA1_Channel6); | |
86 DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SRC_Const_Buffer; | |
87 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)DST_Buffer; | |
88 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; | |
89 DMA_InitStructure.DMA_BufferSize = BufferSize; | |
90 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Enable; | |
91 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; | |
92 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; | |
93 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; | |
94 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; | |
95 DMA_InitStructure.DMA_Priority = DMA_Priority_High; | |
96 DMA_InitStructure.DMA_M2M = DMA_M2M_Enable; | |
97 DMA_Init(DMA1_Channel6, &DMA_InitStructure); | |
98 | |
99 /* Enable DMA1 Channel6 Transfer Complete interrupt */ | |
100 DMA_ITConfig(DMA1_Channel6, DMA_IT_TC, ENABLE); | |
101 | |
102 /* Get Current Data Counter value before transfer begins */ | |
103 CurrDataCounterBegin = DMA_GetCurrDataCounter(DMA1_Channel6); | |
104 | |
105 /* Enable DMA1 Channel6 transfer */ | |
106 DMA_Cmd(DMA1_Channel6, ENABLE); | |
107 | |
108 /* Wait the end of transmission */ | |
109 while (CurrDataCounterEnd != 0) | |
110 { | |
111 } | |
112 | |
113 /* Check if the transmitted and received data are equal */ | |
114 TransferStatus = Buffercmp(SRC_Const_Buffer, DST_Buffer, BufferSize); | |
115 /* TransferStatus = PASSED, if the transmitted and received data | |
116 are the same */ | |
117 /* TransferStatus = FAILED, if the transmitted and received data | |
118 are different */ | |
119 | |
120 while (1) | |
121 { | |
122 } | |
123 } | |
124 | |
125 /** | |
126 * @brief Configures the different system clocks. | |
127 * @param None | |
128 * @retval None | |
129 */ | |
130 void RCC_Configuration(void) | |
131 { | |
132 /* Enable peripheral clocks ------------------------------------------------*/ | |
133 /* Enable DMA1 clock */ | |
134 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); | |
135 } | |
136 | |
137 /** | |
138 * @brief Configure the nested vectored interrupt controller. | |
139 * @param None | |
140 * @retval None | |
141 */ | |
142 void NVIC_Configuration(void) | |
143 { | |
144 NVIC_InitTypeDef NVIC_InitStructure; | |
145 | |
146 /* Enable DMA1 channel6 IRQ Channel */ | |
147 NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel6_IRQn; | |
148 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; | |
149 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; | |
150 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; | |
151 NVIC_Init(&NVIC_InitStructure); | |
152 } | |
153 | |
154 /** | |
155 * @brief Compares two buffers. | |
156 * @param pBuffer, pBuffer1: buffers to be compared. | |
157 * @param BufferLength: buffer's length | |
158 * @retval PASSED: pBuffer identical to pBuffer1 | |
159 * FAILED: pBuffer differs from pBuffer1 | |
160 */ | |
161 TestStatus Buffercmp(const uint32_t* pBuffer, uint32_t* pBuffer1, uint16_t BufferLength) | |
162 { | |
163 while(BufferLength--) | |
164 { | |
165 if(*pBuffer != *pBuffer1) | |
166 { | |
167 return FAILED; | |
168 } | |
169 | |
170 pBuffer++; | |
171 pBuffer1++; | |
172 } | |
173 | |
174 return PASSED; | |
175 } | |
176 | |
177 #ifdef USE_FULL_ASSERT | |
178 | |
179 /** | |
180 * @brief Reports the name of the source file and the source line number | |
181 * where the assert_param error has occurred. | |
182 * @param file: pointer to the source file name | |
183 * @param line: assert_param error line source number | |
184 * @retval None | |
185 */ | |
186 void assert_failed(uint8_t* file, uint32_t line) | |
187 { | |
188 /* User can add his own implementation to report the file name and line number, | |
189 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ | |
190 | |
191 /* Infinite loop */ | |
192 while (1) | |
193 { | |
194 } | |
195 } | |
196 | |
197 #endif | |
198 /** | |
199 * @} | |
200 */ | |
201 | |
202 /** | |
203 * @} | |
204 */ | |
205 | |
206 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |