-
Notifications
You must be signed in to change notification settings - Fork 0
/
stm32l4r9i_discovery_psram.h
126 lines (98 loc) · 3.51 KB
/
stm32l4r9i_discovery_psram.h
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
/**
******************************************************************************
* @file stm32l4r9i_discovery_psram.h
* @author MCD Application Team
* @brief This file contains the common defines and functions prototypes for
* the stm32l4r9i_discovery_psram.c driver.
******************************************************************************
* @attention
*
* Copyright (c) 2016 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.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32L4R9I_DISCOVERY_PSRAM_H
#define __STM32L4R9I_DISCOVERY_PSRAM_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32L4R9I_DISCOVERY
* @{
*/
/** @addtogroup STM32L4R9I_DISCOVERY_PSRAM
* @{
*/
/** @defgroup STM32L4R9I_DISCOVERY_PSRAM_Exported_Types Exported Constants
* @{
*/
/**
* @brief PSRAM status structure definition
*/
#define PSRAM_OK ((uint8_t)0x00)
#define PSRAM_ERROR ((uint8_t)0x01)
#define PSRAM_DEVICE_ADDR ((uint32_t)0x60000000)
#define PSRAM_DEVICE_SIZE ((uint32_t)0x400000) /* PSRAM device size in Bytes */
/* #define SRAM_MEMORY_WIDTH FMC_NORSRAM_MEM_BUS_WIDTH_8*/
#define PSRAM_MEMORY_WIDTH FMC_NORSRAM_MEM_BUS_WIDTH_16
#define PSRAM_BURSTACCESS FMC_BURST_ACCESS_MODE_DISABLE
/* #define PSRAM_BURSTACCESS FMC_BURST_ACCESS_MODE_ENABLE*/
#define PSRAM_WRITEBURST FMC_WRITE_BURST_DISABLE
/* #define PSRAM_WRITEBURST FMC_WRITE_BURST_ENABLE */
#define CONTINUOUSCLOCK_FEATURE FMC_CONTINUOUS_CLOCK_SYNC_ONLY
/* #define CONTINUOUSCLOCK_FEATURE FMC_CONTINUOUS_CLOCK_SYNC_ASYNC */
/* DMA definitions for SRAM DMA transfer */
#define __PSRAM_DMAx_CLK_ENABLE __HAL_RCC_DMA2_CLK_ENABLE
#define __PSRAM_DMAx_CLK_DISABLE __HAL_RCC_DMA2_CLK_DISABLE
#define PSRAM_DMAx_INSTANCE DMA2_Channel3
#define PSRAM_DMAx_IRQn DMA2_Channel3_IRQn
#define BSP_PSRAM_DMA_IRQHandler DMA2_Channel3_IRQHandler
/** @defgroup STM32L4R9I_DISCOVERY_PSRAM_Exported_Variables Exported Variables
* @{
*/
extern SRAM_HandleTypeDef psramHandle;
/**
* @}
*/
/** @defgroup STM32L4R9I_DISCOVERY_PSRAM_Exported_Functions Exported Functions
* @{
*/
uint8_t BSP_PSRAM_Init(void);
uint8_t BSP_PSRAM_DeInit(void);
uint8_t BSP_PSRAM_ReadData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
uint8_t BSP_PSRAM_ReadData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
uint8_t BSP_PSRAM_WriteData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
uint8_t BSP_PSRAM_WriteData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
/* These __weak functions can be surcharged by application code in case the current settings
(eg. interrupt priority) need to be changed for specific application needs */
void BSP_PSRAM_MspInit(SRAM_HandleTypeDef *hsram, void *Params);
void BSP_PSRAM_MspDeInit(SRAM_HandleTypeDef *hsram, void *Params);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32L4R9I_DISCOVERY_PSRAM_H */