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comparison Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_gpio.c @ 128:c78bcbd5deda FlipDisplay
Added current STM32 standandard libraries in version independend folder structure
author | Ideenmodellierer |
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date | Sun, 17 Feb 2019 21:12:22 +0100 |
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127:1369f8660eaa | 128:c78bcbd5deda |
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1 /** | |
2 ****************************************************************************** | |
3 * @file stm32f4xx_ll_gpio.c | |
4 * @author MCD Application Team | |
5 * @brief GPIO LL module driver. | |
6 ****************************************************************************** | |
7 * @attention | |
8 * | |
9 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> | |
10 * | |
11 * Redistribution and use in source and binary forms, with or without modification, | |
12 * are permitted provided that the following conditions are met: | |
13 * 1. Redistributions of source code must retain the above copyright notice, | |
14 * this list of conditions and the following disclaimer. | |
15 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
16 * this list of conditions and the following disclaimer in the documentation | |
17 * and/or other materials provided with the distribution. | |
18 * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
19 * may be used to endorse or promote products derived from this software | |
20 * without specific prior written permission. | |
21 * | |
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 * | |
33 ****************************************************************************** | |
34 */ | |
35 #if defined(USE_FULL_LL_DRIVER) | |
36 | |
37 /* Includes ------------------------------------------------------------------*/ | |
38 #include "stm32f4xx_ll_gpio.h" | |
39 #include "stm32f4xx_ll_bus.h" | |
40 #ifdef USE_FULL_ASSERT | |
41 #include "stm32_assert.h" | |
42 #else | |
43 #define assert_param(expr) ((void)0U) | |
44 #endif | |
45 | |
46 /** @addtogroup STM32F4xx_LL_Driver | |
47 * @{ | |
48 */ | |
49 | |
50 #if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) | |
51 | |
52 /** @addtogroup GPIO_LL | |
53 * @{ | |
54 */ | |
55 | |
56 /* Private types -------------------------------------------------------------*/ | |
57 /* Private variables ---------------------------------------------------------*/ | |
58 /* Private constants ---------------------------------------------------------*/ | |
59 /* Private macros ------------------------------------------------------------*/ | |
60 /** @addtogroup GPIO_LL_Private_Macros | |
61 * @{ | |
62 */ | |
63 #define IS_LL_GPIO_PIN(__VALUE__) (((0x00000000U) < (__VALUE__)) && ((__VALUE__) <= (LL_GPIO_PIN_ALL))) | |
64 | |
65 #define IS_LL_GPIO_MODE(__VALUE__) (((__VALUE__) == LL_GPIO_MODE_INPUT) ||\ | |
66 ((__VALUE__) == LL_GPIO_MODE_OUTPUT) ||\ | |
67 ((__VALUE__) == LL_GPIO_MODE_ALTERNATE) ||\ | |
68 ((__VALUE__) == LL_GPIO_MODE_ANALOG)) | |
69 | |
70 #define IS_LL_GPIO_OUTPUT_TYPE(__VALUE__) (((__VALUE__) == LL_GPIO_OUTPUT_PUSHPULL) ||\ | |
71 ((__VALUE__) == LL_GPIO_OUTPUT_OPENDRAIN)) | |
72 | |
73 #define IS_LL_GPIO_SPEED(__VALUE__) (((__VALUE__) == LL_GPIO_SPEED_FREQ_LOW) ||\ | |
74 ((__VALUE__) == LL_GPIO_SPEED_FREQ_MEDIUM) ||\ | |
75 ((__VALUE__) == LL_GPIO_SPEED_FREQ_HIGH) ||\ | |
76 ((__VALUE__) == LL_GPIO_SPEED_FREQ_VERY_HIGH)) | |
77 | |
78 #define IS_LL_GPIO_PULL(__VALUE__) (((__VALUE__) == LL_GPIO_PULL_NO) ||\ | |
79 ((__VALUE__) == LL_GPIO_PULL_UP) ||\ | |
80 ((__VALUE__) == LL_GPIO_PULL_DOWN)) | |
81 | |
82 #define IS_LL_GPIO_ALTERNATE(__VALUE__) (((__VALUE__) == LL_GPIO_AF_0 ) ||\ | |
83 ((__VALUE__) == LL_GPIO_AF_1 ) ||\ | |
84 ((__VALUE__) == LL_GPIO_AF_2 ) ||\ | |
85 ((__VALUE__) == LL_GPIO_AF_3 ) ||\ | |
86 ((__VALUE__) == LL_GPIO_AF_4 ) ||\ | |
87 ((__VALUE__) == LL_GPIO_AF_5 ) ||\ | |
88 ((__VALUE__) == LL_GPIO_AF_6 ) ||\ | |
89 ((__VALUE__) == LL_GPIO_AF_7 ) ||\ | |
90 ((__VALUE__) == LL_GPIO_AF_8 ) ||\ | |
91 ((__VALUE__) == LL_GPIO_AF_9 ) ||\ | |
92 ((__VALUE__) == LL_GPIO_AF_10 ) ||\ | |
93 ((__VALUE__) == LL_GPIO_AF_11 ) ||\ | |
94 ((__VALUE__) == LL_GPIO_AF_12 ) ||\ | |
95 ((__VALUE__) == LL_GPIO_AF_13 ) ||\ | |
96 ((__VALUE__) == LL_GPIO_AF_14 ) ||\ | |
97 ((__VALUE__) == LL_GPIO_AF_15 )) | |
98 /** | |
99 * @} | |
100 */ | |
101 | |
102 /* Private function prototypes -----------------------------------------------*/ | |
103 | |
104 /* Exported functions --------------------------------------------------------*/ | |
105 /** @addtogroup GPIO_LL_Exported_Functions | |
106 * @{ | |
107 */ | |
108 | |
109 /** @addtogroup GPIO_LL_EF_Init | |
110 * @{ | |
111 */ | |
112 | |
113 /** | |
114 * @brief De-initialize GPIO registers (Registers restored to their default values). | |
115 * @param GPIOx GPIO Port | |
116 * @retval An ErrorStatus enumeration value: | |
117 * - SUCCESS: GPIO registers are de-initialized | |
118 * - ERROR: Wrong GPIO Port | |
119 */ | |
120 ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx) | |
121 { | |
122 ErrorStatus status = SUCCESS; | |
123 | |
124 /* Check the parameters */ | |
125 assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); | |
126 | |
127 /* Force and Release reset on clock of GPIOx Port */ | |
128 if (GPIOx == GPIOA) | |
129 { | |
130 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOA); | |
131 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOA); | |
132 } | |
133 else if (GPIOx == GPIOB) | |
134 { | |
135 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOB); | |
136 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOB); | |
137 } | |
138 else if (GPIOx == GPIOC) | |
139 { | |
140 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOC); | |
141 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOC); | |
142 } | |
143 #if defined(GPIOD) | |
144 else if (GPIOx == GPIOD) | |
145 { | |
146 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOD); | |
147 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOD); | |
148 } | |
149 #endif /* GPIOD */ | |
150 #if defined(GPIOE) | |
151 else if (GPIOx == GPIOE) | |
152 { | |
153 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOE); | |
154 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOE); | |
155 } | |
156 #endif /* GPIOE */ | |
157 #if defined(GPIOF) | |
158 else if (GPIOx == GPIOF) | |
159 { | |
160 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOF); | |
161 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOF); | |
162 } | |
163 #endif /* GPIOF */ | |
164 #if defined(GPIOG) | |
165 else if (GPIOx == GPIOG) | |
166 { | |
167 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOG); | |
168 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOG); | |
169 } | |
170 #endif /* GPIOG */ | |
171 #if defined(GPIOH) | |
172 else if (GPIOx == GPIOH) | |
173 { | |
174 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOH); | |
175 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOH); | |
176 } | |
177 #endif /* GPIOH */ | |
178 #if defined(GPIOI) | |
179 else if (GPIOx == GPIOI) | |
180 { | |
181 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOI); | |
182 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOI); | |
183 } | |
184 #endif /* GPIOI */ | |
185 #if defined(GPIOJ) | |
186 else if (GPIOx == GPIOJ) | |
187 { | |
188 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOJ); | |
189 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOJ); | |
190 } | |
191 #endif /* GPIOJ */ | |
192 #if defined(GPIOK) | |
193 else if (GPIOx == GPIOK) | |
194 { | |
195 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOK); | |
196 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOK); | |
197 } | |
198 #endif /* GPIOK */ | |
199 else | |
200 { | |
201 status = ERROR; | |
202 } | |
203 | |
204 return (status); | |
205 } | |
206 | |
207 /** | |
208 * @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct. | |
209 * @param GPIOx GPIO Port | |
210 * @param GPIO_InitStruct pointer to a @ref LL_GPIO_InitTypeDef structure | |
211 * that contains the configuration information for the specified GPIO peripheral. | |
212 * @retval An ErrorStatus enumeration value: | |
213 * - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content | |
214 * - ERROR: Not applicable | |
215 */ | |
216 ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct) | |
217 { | |
218 uint32_t pinpos = 0x00000000U; | |
219 uint32_t currentpin = 0x00000000U; | |
220 | |
221 /* Check the parameters */ | |
222 assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); | |
223 assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin)); | |
224 assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode)); | |
225 assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull)); | |
226 | |
227 /* ------------------------- Configure the port pins ---------------- */ | |
228 /* Initialize pinpos on first pin set */ | |
229 pinpos = POSITION_VAL(GPIO_InitStruct->Pin); | |
230 | |
231 /* Configure the port pins */ | |
232 while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U) | |
233 { | |
234 /* Get current io position */ | |
235 currentpin = (GPIO_InitStruct->Pin) & (0x00000001U << pinpos); | |
236 | |
237 if (currentpin) | |
238 { | |
239 /* Pin Mode configuration */ | |
240 LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode); | |
241 | |
242 if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)) | |
243 { | |
244 /* Check Speed mode parameters */ | |
245 assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed)); | |
246 | |
247 /* Speed mode configuration */ | |
248 LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed); | |
249 } | |
250 | |
251 /* Pull-up Pull down resistor configuration*/ | |
252 LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull); | |
253 | |
254 if (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE) | |
255 { | |
256 /* Check Alternate parameter */ | |
257 assert_param(IS_LL_GPIO_ALTERNATE(GPIO_InitStruct->Alternate)); | |
258 | |
259 /* Speed mode configuration */ | |
260 if (POSITION_VAL(currentpin) < 0x00000008U) | |
261 { | |
262 LL_GPIO_SetAFPin_0_7(GPIOx, currentpin, GPIO_InitStruct->Alternate); | |
263 } | |
264 else | |
265 { | |
266 LL_GPIO_SetAFPin_8_15(GPIOx, currentpin, GPIO_InitStruct->Alternate); | |
267 } | |
268 } | |
269 } | |
270 pinpos++; | |
271 } | |
272 | |
273 if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)) | |
274 { | |
275 /* Check Output mode parameters */ | |
276 assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType)); | |
277 | |
278 /* Output mode configuration*/ | |
279 LL_GPIO_SetPinOutputType(GPIOx, GPIO_InitStruct->Pin, GPIO_InitStruct->OutputType); | |
280 | |
281 } | |
282 return (SUCCESS); | |
283 } | |
284 | |
285 /** | |
286 * @brief Set each @ref LL_GPIO_InitTypeDef field to default value. | |
287 * @param GPIO_InitStruct pointer to a @ref LL_GPIO_InitTypeDef structure | |
288 * whose fields will be set to default values. | |
289 * @retval None | |
290 */ | |
291 | |
292 void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct) | |
293 { | |
294 /* Reset GPIO init structure parameters values */ | |
295 GPIO_InitStruct->Pin = LL_GPIO_PIN_ALL; | |
296 GPIO_InitStruct->Mode = LL_GPIO_MODE_ANALOG; | |
297 GPIO_InitStruct->Speed = LL_GPIO_SPEED_FREQ_LOW; | |
298 GPIO_InitStruct->OutputType = LL_GPIO_OUTPUT_PUSHPULL; | |
299 GPIO_InitStruct->Pull = LL_GPIO_PULL_NO; | |
300 GPIO_InitStruct->Alternate = LL_GPIO_AF_0; | |
301 } | |
302 | |
303 /** | |
304 * @} | |
305 */ | |
306 | |
307 /** | |
308 * @} | |
309 */ | |
310 | |
311 /** | |
312 * @} | |
313 */ | |
314 | |
315 #endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) */ | |
316 | |
317 /** | |
318 * @} | |
319 */ | |
320 | |
321 #endif /* USE_FULL_LL_DRIVER */ | |
322 | |
323 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |