|
38
|
1 /**
|
|
|
2 ******************************************************************************
|
|
|
3 * @file stm32f4xx_hal_flash_ramfunc.c
|
|
|
4 * @author MCD Application Team
|
|
|
5 * @version V1.2.0
|
|
|
6 * @date 26-December-2014
|
|
|
7 * @brief FLASH RAMFUNC module driver.
|
|
|
8 * This file provides a FLASH firmware functions which should be
|
|
|
9 * executed from internal SRAM
|
|
|
10 * + Stop/Start the flash interface while System Run
|
|
|
11 * + Enable/Disable the flash sleep while System Run
|
|
|
12 @verbatim
|
|
|
13 ==============================================================================
|
|
|
14 ##### APIs executed from Internal RAM #####
|
|
|
15 ==============================================================================
|
|
|
16 [..]
|
|
|
17 *** ARM Compiler ***
|
|
|
18 --------------------
|
|
|
19 [..] RAM functions are defined using the toolchain options.
|
|
|
20 Functions that are be executed in RAM should reside in a separate
|
|
|
21 source module. Using the 'Options for File' dialog you can simply change
|
|
|
22 the 'Code / Const' area of a module to a memory space in physical RAM.
|
|
|
23 Available memory areas are declared in the 'Target' tab of the
|
|
|
24 Options for Target' dialog.
|
|
|
25
|
|
|
26 *** ICCARM Compiler ***
|
|
|
27 -----------------------
|
|
|
28 [..] RAM functions are defined using a specific toolchain keyword "__ramfunc".
|
|
|
29
|
|
|
30 *** GNU Compiler ***
|
|
|
31 --------------------
|
|
|
32 [..] RAM functions are defined using a specific toolchain attribute
|
|
|
33 "__attribute__((section(".RamFunc")))".
|
|
|
34
|
|
|
35 @endverbatim
|
|
|
36 ******************************************************************************
|
|
|
37 * @attention
|
|
|
38 *
|
|
|
39 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
|
|
|
40 *
|
|
|
41 * Redistribution and use in source and binary forms, with or without modification,
|
|
|
42 * are permitted provided that the following conditions are met:
|
|
|
43 * 1. Redistributions of source code must retain the above copyright notice,
|
|
|
44 * this list of conditions and the following disclaimer.
|
|
|
45 * 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
|
46 * this list of conditions and the following disclaimer in the documentation
|
|
|
47 * and/or other materials provided with the distribution.
|
|
|
48 * 3. Neither the name of STMicroelectronics nor the names of its contributors
|
|
|
49 * may be used to endorse or promote products derived from this software
|
|
|
50 * without specific prior written permission.
|
|
|
51 *
|
|
|
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
|
53 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
|
55 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
|
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
|
58 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
|
59 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
|
60 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
|
61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
62 *
|
|
|
63 ******************************************************************************
|
|
|
64 */
|
|
|
65
|
|
|
66 /* Includes ------------------------------------------------------------------*/
|
|
|
67 #include "stm32f4xx_hal.h"
|
|
|
68
|
|
|
69 /** @addtogroup STM32F4xx_HAL_Driver
|
|
|
70 * @{
|
|
|
71 */
|
|
|
72
|
|
|
73 /** @defgroup FLASH_RAMFUNC FLASH RAMFUNC
|
|
|
74 * @brief FLASH functions executed from RAM
|
|
|
75 * @{
|
|
|
76 */
|
|
|
77
|
|
|
78 #ifdef HAL_FLASH_MODULE_ENABLED
|
|
|
79
|
|
|
80 #if defined(STM32F411xE)
|
|
|
81
|
|
|
82 /* Private typedef -----------------------------------------------------------*/
|
|
|
83 /* Private define ------------------------------------------------------------*/
|
|
|
84 /* Private macro -------------------------------------------------------------*/
|
|
|
85 /* Private variables ---------------------------------------------------------*/
|
|
|
86 /* Private function prototypes -----------------------------------------------*/
|
|
|
87 /* Exported functions --------------------------------------------------------*/
|
|
|
88 /** @defgroup FLASH_RAMFUNC_Exported_Functions FLASH RAMFUNC Exported Functions
|
|
|
89 * @{
|
|
|
90 */
|
|
|
91
|
|
|
92 /** @defgroup FLASH_RAMFUNC_Exported_Functions_Group1 Peripheral features functions executed from internal RAM
|
|
|
93 * @brief Peripheral Extended features functions
|
|
|
94 *
|
|
|
95 @verbatim
|
|
|
96
|
|
|
97 ===============================================================================
|
|
|
98 ##### ramfunc functions #####
|
|
|
99 ===============================================================================
|
|
|
100 [..]
|
|
|
101 This subsection provides a set of functions that should be executed from RAM
|
|
|
102 transfers.
|
|
|
103
|
|
|
104 @endverbatim
|
|
|
105 * @{
|
|
|
106 */
|
|
|
107
|
|
|
108 /**
|
|
|
109 * @brief Stop the flash interface while System Run
|
|
|
110 * @note This mode is only available for STM32F411xx devices.
|
|
|
111 * @note This mode couldn't be set while executing with the flash itself.
|
|
|
112 * It should be done with specific routine executed from RAM.
|
|
|
113 * @retval None
|
|
|
114 */
|
|
|
115 __RAM_FUNC HAL_FLASHEx_StopFlashInterfaceClk(void)
|
|
|
116 {
|
|
|
117 /* Enable Power ctrl clock */
|
|
|
118 __HAL_RCC_PWR_CLK_ENABLE();
|
|
|
119 /* Stop the flash interface while System Run */
|
|
|
120 SET_BIT(PWR->CR, PWR_CR_FISSR);
|
|
|
121
|
|
|
122 return HAL_OK;
|
|
|
123 }
|
|
|
124
|
|
|
125 /**
|
|
|
126 * @brief Start the flash interface while System Run
|
|
|
127 * @note This mode is only available for STM32F411xx devices.
|
|
|
128 * @note This mode couldn't be set while executing with the flash itself.
|
|
|
129 * It should be done with specific routine executed from RAM.
|
|
|
130 * @retval None
|
|
|
131 */
|
|
|
132 __RAM_FUNC HAL_FLASHEx_StartFlashInterfaceClk(void)
|
|
|
133 {
|
|
|
134 /* Enable Power ctrl clock */
|
|
|
135 __HAL_RCC_PWR_CLK_ENABLE();
|
|
|
136 /* Start the flash interface while System Run */
|
|
|
137 CLEAR_BIT(PWR->CR, PWR_CR_FISSR);
|
|
|
138
|
|
|
139 return HAL_OK;
|
|
|
140 }
|
|
|
141
|
|
|
142 /**
|
|
|
143 * @brief Enable the flash sleep while System Run
|
|
|
144 * @note This mode is only available for STM32F411xx devices.
|
|
|
145 * @note This mode could n't be set while executing with the flash itself.
|
|
|
146 * It should be done with specific routine executed from RAM.
|
|
|
147 * @retval None
|
|
|
148 */
|
|
|
149 __RAM_FUNC HAL_FLASHEx_EnableFlashSleepMode(void)
|
|
|
150 {
|
|
|
151 /* Enable Power ctrl clock */
|
|
|
152 __HAL_RCC_PWR_CLK_ENABLE();
|
|
|
153 /* Enable the flash sleep while System Run */
|
|
|
154 SET_BIT(PWR->CR, PWR_CR_FMSSR);
|
|
|
155
|
|
|
156 return HAL_OK;
|
|
|
157 }
|
|
|
158
|
|
|
159 /**
|
|
|
160 * @brief Disable the flash sleep while System Run
|
|
|
161 * @note This mode is only available for STM32F411xx devices.
|
|
|
162 * @note This mode could n't be set while executing with the flash itself.
|
|
|
163 * It should be done with specific routine executed from RAM.
|
|
|
164 * @retval None
|
|
|
165 */
|
|
|
166 __RAM_FUNC HAL_FLASHEx_DisableFlashSleepMode(void)
|
|
|
167 {
|
|
|
168 /* Enable Power ctrl clock */
|
|
|
169 __HAL_RCC_PWR_CLK_ENABLE();
|
|
|
170 /* Disable the flash sleep while System Run */
|
|
|
171 CLEAR_BIT(PWR->CR, PWR_CR_FMSSR);
|
|
|
172
|
|
|
173 return HAL_OK;
|
|
|
174 }
|
|
|
175
|
|
|
176 /**
|
|
|
177 * @}
|
|
|
178 */
|
|
|
179
|
|
|
180 /**
|
|
|
181 * @}
|
|
|
182 */
|
|
|
183
|
|
|
184 #endif /* STM32F411xE */
|
|
|
185 #endif /* HAL_FLASH_MODULE_ENABLED */
|
|
|
186 /**
|
|
|
187 * @}
|
|
|
188 */
|
|
|
189
|
|
|
190 /**
|
|
|
191 * @}
|
|
|
192 */
|
|
|
193
|
|
|
194 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
