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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/ADC/3ADCs_DMA/readme.txt @ 0:c59513fd84fb
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author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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1 /** |
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2 @page ADC_3ADCs_DMA 3 ADCs DMA example |
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3 |
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4 @verbatim |
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5 ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* |
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6 * @file ADC/3ADCs_DMA/readme.txt |
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7 * @author MCD Application Team |
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8 * @version V3.5.0 |
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9 * @date 08-April-2011 |
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10 * @brief Description of the 3ADCs DMA example. |
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11 ****************************************************************************** |
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE |
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY |
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING |
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE |
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
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18 ****************************************************************************** |
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19 @endverbatim |
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20 |
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21 @par Example Description |
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22 |
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23 This example describes how to use the 3 ADCs in independent conversions. |
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24 Two of them; ADC1 and ADC3 are transferring continuously converted data using DMA |
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25 while ADC2 converted data are stored using End of conversion interrupt. |
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26 |
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27 ADC1 is configured to convert continuously ADC channel14. Each time an end of |
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28 conversion occurs the DMA1 transfers, in circular mode, the converted data from |
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29 ADC1 DR register to the ADC1_ConvertedValue variable. |
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30 |
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31 ADC2 is configured to convert continuously ADC channel13. Each time an end of |
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32 conversion occurs an end of conversion interrupt is generated and inside the |
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33 interrupt routine the converted data are read from ADC2 DR register and stored |
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34 into the ADC2_ConvertedValue variable. |
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35 |
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36 ADC3 is configured to convert continuously ADC channel12. Each time an end of |
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37 conversion occurs the DMA2 transfers, in circular mode, the converted data from |
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38 ADC3 DR register to the ADC3_ConvertedValue variable. |
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39 |
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40 The ADCs clocks are set to 14 MHz. |
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41 |
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42 The result of ADC1, ADC2 and ADC3 conversion is monitored through the three |
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43 variables: ADC1ConvertedValue, ADC2ConvertedValue and ADC3ConvertedValue. |
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44 |
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45 @par Directory contents |
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46 |
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47 - ADC/3ADCs_DMA/stm32f10x_conf.h Library Configuration file |
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48 - ADC/3ADCs_DMA/stm32f10x_it.c Interrupt handlers |
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49 - ADC/3ADCs_DMA/stm32f10x_it.h Interrupt handlers header file |
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50 - ADC/3ADCs_DMA/system_stm32f10x.c STM32F10x system source file |
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51 - ADC/3ADCs_DMA/main.c Main program |
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52 |
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53 @par Hardware and Software environment |
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54 |
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55 - This example runs only on STM32F10x High-Density and XL-Density Devices. |
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56 |
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57 - This example has been tested with STMicroelectronics STM3210E-EVAL (High-Density |
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58 and XL-Density) evaluation board and can be easily tailored to any other |
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59 supported device and development board. |
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60 |
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61 - STM3210E-EVAL Set-up |
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62 - Connect a variable power supply 0-3.3V to ADC3 Channel12 mapped on pin PC.02 |
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63 - Connect a variable power supply 0-3.3V to ADC2 Channel13 mapped on pin PC.03 |
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64 - Connect a variable power supply 0-3.3V to ADC1 Channel14 mapped on pin PC.04 |
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65 (potentiometer RV1 on STM3210E-EVAL board) |
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66 |
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67 @par How to use it ? |
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68 |
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69 In order to make the program work, you must do the following : |
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70 - Copy all source files from this example folder to the template folder under |
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71 Project\STM32F10x_StdPeriph_Template |
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72 - Open your preferred toolchain |
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73 - Rebuild all files and load your image into target memory |
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74 - Run the example |
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75 |
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76 @note |
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77 - Low-density Value line devices are STM32F100xx microcontrollers where the |
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78 Flash memory density ranges between 16 and 32 Kbytes. |
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79 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx |
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80 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. |
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81 - Medium-density Value line devices are STM32F100xx microcontrollers where |
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82 the Flash memory density ranges between 64 and 128 Kbytes. |
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83 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx |
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84 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. |
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85 - High-density Value line devices are STM32F100xx microcontrollers where |
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86 the Flash memory density ranges between 256 and 512 Kbytes. |
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87 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where |
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88 the Flash memory density ranges between 256 and 512 Kbytes. |
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89 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where |
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90 the Flash memory density ranges between 512 and 1024 Kbytes. |
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91 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers. |
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92 |
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93 * <h3><center>© COPYRIGHT 2011 STMicroelectronics</center></h3> |
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94 */ |