ADC_DualModeInterleaved
Select one of the symbols to view example projects that use it.
 
Outline
Includes
#include "main.h"
Private variables
AdcHandle1
AdcHandle2
uhADCDualConvertedValue
Private function prototypes
main()
SystemClock_Config()
Error_Handler()
ADC_Config()
HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *)
Files
loading...
SourceVuSTM32 Libraries and SamplesADC_DualModeInterleavedSrc/main.c
 
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 ADC/ADC_DualModeInterleaved/Src/main.c * @author MCD Application Team * @brief This example provides a short description of how to use the ADC * peripheral to convert a regular channel in Dual interleaved mode. ****************************************************************************** * @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 STM32F4xx_HAL_Examples * @{ *//* ... */ /** @addtogroup ADC_DualModeInterleaved * @{ *//* ... */ Includes /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* ADC handler declaration */ ADC_HandleTypeDef AdcHandle1; ADC_HandleTypeDef AdcHandle2; /* Variable used to get converted value */ __IO uint16_t uhADCDualConvertedValue = 0; Private variables /* Private function prototypes -----------------------------------------------*/ static void SystemClock_Config(void); static void Error_Handler(void); static void ADC_Config(void); Private function prototypes /* Private functions ---------------------------------------------------------*/ /** * @brief Main program * @param None * @retval None *//* ... */ int main(void) { /* STM32F4xx HAL library initialization: - Configure the Flash prefetch, instruction and Data caches - Configure the Systick to generate an interrupt each 1 msec - Set NVIC Group Priority to 4 - Global MSP (MCU Support Package) initialization *//* ... */ HAL_Init(); /* Configure the system clock to 180 MHz */ SystemClock_Config(); /* Configure LED1 and LED3 */ BSP_LED_Init(LED1); BSP_LED_Init(LED3); /*##-1- Configure ADC1 and ADC2 peripherals ################################*/ ADC_Config(); /*##-2- Enable ADC2 ########################################################*/ if(HAL_ADC_Start(&AdcHandle2) != HAL_OK) { /* Start Error */ Error_Handler(); }if (HAL_ADC_Start(&AdcHandle2) != HAL_OK) { ... } /*##-3- Start ADC1 and ADC2 multimode conversion process and enable DMA ####*/ /* Note: Considering IT occurring after each number of ADC conversions */ /* (IT by DMA end of transfer), select sampling time and ADC clock */ /* with sufficient duration to not create an overhead situation in */ /* IRQHandler. */ if(HAL_ADCEx_MultiModeStart_DMA(&AdcHandle1, (uint32_t*)&uhADCDualConvertedValue, 1) != HAL_OK) { /* Start Error */ Error_Handler(); }if (HAL_ADCEx_MultiModeStart_DMA(&AdcHandle1, (uint32_t*)&uhADCDualConvertedValue, 1) != HAL_OK) { ... } /* Infinite loop */ while (1) { }while (1) { ... } }{ ... } /** * @brief System Clock Configuration * The system Clock is configured as follow : * System Clock source = PLL (HSE) * SYSCLK(Hz) = 180000000 * HCLK(Hz) = 180000000 * AHB Prescaler = 1 * APB1 Prescaler = 4 * APB2 Prescaler = 2 * HSE Frequency(Hz) = 25000000 * PLL_M = 25 * PLL_N = 360 * PLL_P = 2 * PLL_Q = 7 * PLL_R = 6 * VDD(V) = 3.3 * Main regulator output voltage = Scale1 mode * Flash Latency(WS) = 5 * @param None * @retval None *//* ... */ static void SystemClock_Config(void) { RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct; HAL_StatusTypeDef ret = HAL_OK; /* Enable Power Control clock */ __HAL_RCC_PWR_CLK_ENABLE(); /* The voltage scaling allows optimizing the power consumption when the device is clocked below the maximum system frequency, to update the voltage scaling value regarding system frequency refer to product datasheet. *//* ... */ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2); /* Enable HSE Oscillator and activate PLL with HSE as source */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = 25; RCC_OscInitStruct.PLL.PLLN = 360; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLQ = 7; RCC_OscInitStruct.PLL.PLLR = 6; ret = HAL_RCC_OscConfig(&RCC_OscInitStruct); if(ret != HAL_OK) { while(1) { ; } }if (ret != HAL_OK) { ... } /* Activate the OverDrive to reach the 180 MHz Frequency */ ret = HAL_PWREx_EnableOverDrive(); if(ret != HAL_OK) { while(1) { ; } }if (ret != HAL_OK) { ... } /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */ RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5); if(ret != HAL_OK) { while(1) { ; } }if (ret != HAL_OK) { ... } /* Enable the Flash prefetch */ __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); }{ ... } /** * @brief This function is executed in case of error occurrence. * @param None * @retval None *//* ... */ static void Error_Handler(void) { /* Turn LED3 on */ BSP_LED_On(LED3); while(1) { }while (1) { ... } }{ ... } /** * @brief ADC configuration * @note This function Configure the ADC peripheral 1) Enable peripheral clocks 2) Configure ADC Channel 12 pin as analog input 3) DMA2_Stream0 channel2 configuration 4) Configure ADC1 Channel 12 5) Configure ADC2 Channel 12 * @param None * @retval None *//* ... */ static void ADC_Config(void) { ADC_ChannelConfTypeDef sConfig; ADC_MultiModeTypeDef mode; /*##-1- Configure the ADC2 peripheral ######################################*/ AdcHandle2.Instance = ADCy; AdcHandle2.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4; AdcHandle2.Init.Resolution = ADC_RESOLUTION_8B; AdcHandle2.Init.ScanConvMode = ENABLE; AdcHandle2.Init.ContinuousConvMode = ENABLE; AdcHandle2.Init.DiscontinuousConvMode = DISABLE; AdcHandle2.Init.NbrOfDiscConversion = 0; AdcHandle2.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; AdcHandle2.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1; AdcHandle2.Init.DataAlign = ADC_DATAALIGN_RIGHT; AdcHandle2.Init.NbrOfConversion = 1; AdcHandle2.Init.DMAContinuousRequests = ENABLE; AdcHandle2.Init.EOCSelection = ENABLE; if(HAL_ADC_Init(&AdcHandle2) != HAL_OK) { /* Initialization Error */ Error_Handler(); }if (HAL_ADC_Init(&AdcHandle2) != HAL_OK) { ... } /*##-2- Configure ADC2 regular channel #####################################*/ sConfig.Channel = ADCxy_CHANNEL; sConfig.Rank = 1; sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES; sConfig.Offset = 0; if(HAL_ADC_ConfigChannel(&AdcHandle2, &sConfig) != HAL_OK) { /* Channel Configuration Error */ Error_Handler(); }if (HAL_ADC_ConfigChannel(&AdcHandle2, &sConfig) != HAL_OK) { ... } /*##-3- Configure the ADC1 peripheral ######################################*/ AdcHandle1.Instance = ADCx; AdcHandle1.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4; AdcHandle1.Init.Resolution = ADC_RESOLUTION_8B; AdcHandle1.Init.ScanConvMode = DISABLE; AdcHandle1.Init.ContinuousConvMode = ENABLE; AdcHandle1.Init.DiscontinuousConvMode = DISABLE; AdcHandle1.Init.NbrOfDiscConversion = 0; AdcHandle1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; AdcHandle1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1; AdcHandle1.Init.DataAlign = ADC_DATAALIGN_RIGHT; AdcHandle1.Init.NbrOfConversion = 1; AdcHandle1.Init.DMAContinuousRequests = ENABLE; AdcHandle1.Init.EOCSelection = ENABLE; if(HAL_ADC_Init(&AdcHandle1) != HAL_OK) { /* Initialization Error */ Error_Handler(); }if (HAL_ADC_Init(&AdcHandle1) != HAL_OK) { ... } /*##-4- Configure ADC1 regular channel #####################################*/ if(HAL_ADC_ConfigChannel(&AdcHandle1, &sConfig) != HAL_OK) { /* Channel Configuration Error */ Error_Handler(); }if (HAL_ADC_ConfigChannel(&AdcHandle1, &sConfig) != HAL_OK) { ... } /*##-5- Configure Multimode ################################################*/ mode.Mode = ADC_DUALMODE_INTERL; mode.DMAAccessMode = ADC_DMAACCESSMODE_3; mode.TwoSamplingDelay = ADC_TWOSAMPLINGDELAY_6CYCLES; if(HAL_ADCEx_MultiModeConfigChannel(&AdcHandle1, &mode) != HAL_OK) { /* Channel Configuration Error */ Error_Handler(); }if (HAL_ADCEx_MultiModeConfigChannel(&AdcHandle1, &mode) != HAL_OK) { ... } }{ ... } /** * @brief Conversion complete callback in non blocking mode * @param hadc : hadc handle * @note This example shows a simple way to report end of conversion, and * you can add your own implementation. * @retval None *//* ... */ void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) { /* Turn LED1 on: Transfer process is correct */ BSP_LED_On(LED1); }{ ... } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None *//* ... */ void assert_failed(uint8_t* file, uint32_t line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) *//* ... */ /* Infinite loop */ while (1) { }while (1) { ... } }assert_failed (uint8_t* file, uint32_t line) { ... } /* ... */#endif /** * @} *//* ... */ /** * @} *//* ... */
Details
Show:
from
Types: Columns:
This file uses the notable symbols shown below. Click anywhere in the file to view more details.