Outline ![]()
Files ![]()
loading (1/6)...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
/**
******************************************************************************
* @file BSP/Src/sram.c
* @author MCD Application Team
* @brief This example code shows how to use the PSRAM Driver
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/** @addtogroup STM32F7xx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define BUFFER_SIZE ((uint32_t)0x1000)
#define PSRAM_WRITE_READ_ADDR ((uint32_t)0x0800)
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint16_t sram_aTxBuffer[BUFFER_SIZE];
uint16_t sram_aRxBuffer[BUFFER_SIZE];
uint8_t ubSramWrite = 0, ubSramRead = 0, ubSramInit = 0, ubCompare = 0;
__IO uint8_t write_complete = 0;
/* Private function prototypes -----------------------------------------------*/
static void PSRAM_SetHint(void);
static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset);
static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength);
/* Private functions ---------------------------------------------------------*/
/**
* @brief PSRAM Demo
* @param None
* @retval None
*/
void PSRAM_demo (void)
{
PSRAM_SetHint();
/* Disable the LCD to avoid the refrech from the SDRAM */
BSP_LCD_DisplayOff();
/*##-1- Configure the PSRAM device ##########################################*/
/* PSRAM device configuration */
if(BSP_PSRAM_Init() != PSRAM_OK)
{
ubSramInit++;
}
/*##-2- PSRAM memory read/write access ######################################*/
/* Fill the buffer to write */
Fill_Buffer(sram_aTxBuffer, BUFFER_SIZE, 0xC20F);
/* Write data to the PSRAM memory */
if(BSP_PSRAM_WriteData(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aTxBuffer, BUFFER_SIZE) != PSRAM_OK)
{
ubSramWrite++;
}
/* Read back data from the PSRAM memory */
if(BSP_PSRAM_ReadData(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aRxBuffer, BUFFER_SIZE) != PSRAM_OK)
{
ubSramRead++;
}
/*##-3- Checking data integrity ############################################*/
/* Enable the LCD */
BSP_LCD_DisplayOn();
if(ubSramInit != 0)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
ubSramInit = 0xFF;
}
else
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : OK.", LEFT_MODE);
ubSramInit = 0;
}
if(ubSramWrite != 0)
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
ubSramWrite = 0xFF;
}
else
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : OK.", LEFT_MODE);
ubSramWrite = 0;
}
if(ubSramRead != 0)
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
ubSramRead = 0xFF;
}
else
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : OK.", LEFT_MODE);
ubSramRead = 0;
}
if(Buffercmp(sram_aRxBuffer, sram_aTxBuffer, BUFFER_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM COMPARE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
ubCompare ++;
}
else
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test : OK.", LEFT_MODE);
ubCompare =0;
}
while (1)
{
if(CheckForUserInput() > 0)
{
return;
}
}
}
/**
* @brief PSRAM Demo
* @param None
* @retval None
*/
void PSRAM_DMA_demo (void)
{
PSRAM_SetHint();
/* Disable the LCD to avoid the refrech from the PSRAM */
BSP_LCD_DisplayOff();
/*##-1- Configure the PSRAM device ##########################################*/
/* PSRAM device configuration */
if(BSP_PSRAM_Init() != PSRAM_OK)
{
ubSramInit++;
}
/*##-2- PSRAM memory read/write access ######################################*/
/* Fill the buffer to write */
Fill_Buffer(sram_aTxBuffer, BUFFER_SIZE, 0xC20F);
/* Write data to the PSRAM memory */
if(BSP_PSRAM_WriteData_DMA(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aTxBuffer, BUFFER_SIZE) != PSRAM_OK)
{
ubSramWrite++;
}
/* Wait for Transfer complete */
while(write_complete == 0);
/* Read back data from the PSRAM memory */
if(BSP_PSRAM_ReadData_DMA(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aRxBuffer, BUFFER_SIZE) != PSRAM_OK)
{
ubSramRead++;
}
/*##-3- Checking data integrity ############################################*/
/* Enable the LCD */
BSP_LCD_DisplayOn();
if(ubSramInit != 0)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : OK.", LEFT_MODE);
}
if(ubSramWrite != 0)
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : OK.", LEFT_MODE);
}
if(ubSramRead != 0)
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : OK.", LEFT_MODE);
}
if(Buffercmp(sram_aRxBuffer, sram_aTxBuffer, BUFFER_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM COMPARE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test : OK.", LEFT_MODE);
}
while (1)
{
if(CheckForUserInput() > 0)
{
return;
}
}
}
/**
* @brief Display PSRAM Demo Hint
* @param None
* @retval None
*/
static void PSRAM_SetHint(void)
{
/* Clear the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set LCD Demo description */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font24);
BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"PSRAM", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"This example shows how to write", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"and read data on the PSRAM", CENTER_MODE);
/* Set the LCD Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize()- 100);
BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize()- 102);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
}
/**
* @brief Fills buffer with user predefined data.
* @param pBuffer: pointer on the buffer to fill
* @param uwBufferLength: size of the buffer to fill
* @param uwOffset: first value to fill on the buffer
* @retval None
*/
static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset)
{
uint32_t tmpindex = 0;
/* Put in global buffer different values */
for (tmpindex = 0; tmpindex < uwBufferLength; tmpindex++ )
{
pBuffer[tmpindex] = tmpindex + uwOffset;
}
}
/**
* @brief Compares two buffers.
* @param pBuffer1, pBuffer2: buffers to be compared.
* @param BufferLength: buffer's length
* @retval 1: pBuffer identical to pBuffer1
* 0: pBuffer differs from pBuffer1
*/
static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength)
{
while (BufferLength--)
{
if (*pBuffer1 != *pBuffer2)
{
return 1;
}
pBuffer1++;
pBuffer2++;
}
return 0;
}
/**
* @brief DMA transfer complete callback.
* @param hdma: pointer to a SRAM_HandleTypeDef structure that contains
* the configuration information for SRAM module.
* @retval None
*/
void HAL_SRAM_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma)
{
write_complete = 1;
}
/**
* @}
*/
/**
* @}
*/
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.