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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/ADC/ExtLinesTrigger/readme.txt @ 44:f1cc171b06b5

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Remove useless delay test. Add GPIO PE2 changes to make testing arbitary delays possible.
author Daniel O'Connor <darius@dons.net.au>
date Tue, 02 Apr 2013 10:54:20 +1030
parents c59513fd84fb
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1 /**
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2 @page ADC_ExtLinesTrigger ADC external lines trigger 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/ExtLinesTrigger/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 ADC external lines trigger 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 trigger ADC regular and injected groups channels
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24 conversion using two external line events. Discontinuous mode is enabled for regular
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25 group channel conversion and configured to convert one regular channel on each
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26 external trigger.
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27
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28 ADC1 is configured to start regular group channel conversion on EXTI11 event.
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29 On detection of the first rising edge on PE.11 pin (PF.11 pin for High-Density Value line),
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30 the conversion of the first regular channel (ADC channel4) is done and its converted
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31 value is transferred by DMA to ADC_RegularConvertedValueTab table. On the following edge
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32 detection, the second regular channel (ADC channel14) is automatically converted and
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33 its converted value is stored by DMA in the same table. The number of transmitted data
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34 by DMA, in this example is limited to 64 data.
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35
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36 The procedure is repeated for both regular channels on each EXTI11 event.
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37 ADC1 is configured to start injected group channel conversion on EXTI15 event.
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38 On detection of the first rising edge on PE.15 pin all selected injected channels, which
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39 are two in this example (ADC channel11 and channel12), are converted and an interrupt
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40 is generated on JEOC flag rising at the end of all injected channels conversion.
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41 Both injected channels converted results are stored in ADC_InjectedConvertedValueTab
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42 table inside the interrupt routine.
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43 The procedure is repeated for injected channels on each EXTI15 event.
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44 The ADC1 clock is set to 12 MHz on Value line devices and to 14MHz on other
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45 devices.
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46
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47 @par Directory contents
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48
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49 - ADC/ExtLinesTrigger/stm32f10x_conf.h Library Configuration file
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50 - ADC/ExtLinesTrigger/stm32f10x_it.c Interrupt handlers
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51 - ADC/ExtLinesTrigger/stm32f10x_it.h Interrupt handlers header file
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52 - ADC/ExtLinesTrigger/system_stm32f10x.c STM32F10x system source file
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53 - ADC/ExtLinesTrigger/main.c Main program
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54
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55 @par Hardware and Software environment
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56
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57 - This example runs on STM32F10x Connectivity line, High-Density, Medium-Density,
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58 XL-Density, Medium-Density Value line, Low-Density and Low-Density Value line Devices.
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59
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60 - This example has been tested with STMicroelectronics STM32100B-EVAL (Medium-Density
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61 Value line), STM3210C-EVAL (Connectivity line), STM3210E-EVAL (High-Density and
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62 XL-Density) and STM3210B-EVAL (Medium-Density) evaluation boards and can be easily
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63 tailored to any other supported device and development board.
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64
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65 - STM32100B-EVAL Set-up
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66 - Connect a known voltage, between 0-3.3V, to ADC Channel14 mapped on pin
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67 PC.04 (potentiometer RV2), ADC Channel4 mapped on pin PA.04, ADC Channel11
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68 mapped on pin PC.01 and ADC Channel12 mapped on pin PC.02.
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69 - Connect a push-button to pin PE.11 (EXTI Line11) and another push-button
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70 to pin PE.15 (EXTI Line15).
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71 @note Make shure that jumper JP3 is open.
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72
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73 - STM32100E-EVAL Set-up
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74 - Connect a known voltage, between 0-3.3V, to ADC Channel14 mapped on pin
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75 PC.04 (potentiometer RV1), ADC Channel4 mapped on pin PA.04, ADC Channel11
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76 mapped on pin PC.01 and ADC Channel12 mapped on pin PC.02.
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77 - Connect a push-button to pin PF.11 (EXTI Line11) and another push-button
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78 to pin PE.15 (EXTI Line15).
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79
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80 - STM3210C-EVAL Set-up
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81 - Connect a known voltage, between 0-3.3V, to ADC Channel14 mapped on pin
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82 PC.04 (potentiometer RV1), ADC Channel4 mapped on pin PA.04, ADC Channel11
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83 mapped on pin PC.01 and ADC Channel12 mapped on pin PC.02.
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84 - Connect a push-button to pin PE.11 (EXTI Line11) and another push-button
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85 to pin PE.15 (EXTI Line15).
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86
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87 - STM3210E-EVAL Set-up
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88 - Connect a known voltage, between 0-3.3V, to ADC Channel14 mapped on pin
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89 PC.04 (potentiometer RV1), ADC Channel4 mapped on pin PA.04, ADC Channel11
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90 mapped on pin PC.01 and ADC Channel12 mapped on pin PC.02.
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91 - Connect a push-button to pin PE.11 (EXTI Line11) and another push-button
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92 to pin PE.15 (EXTI Line15).
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93
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94 - STM3210B-EVAL Set-up
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95 - Connect a known voltage, between 0-3.3V, to ADC Channel14 mapped on pin
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96 PC.04 (potentiometer RV1), ADC Channel4 mapped on pin PA.04, ADC Channel11
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97 mapped on pin PC.01 and ADC Channel12 mapped on pin PC.02.
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98 - Connect a push-button to pin PE.11 (EXTI Line11) and another push-button
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99 to pin PE.15 (EXTI Line15).
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100
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101 @par How to use it ?
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102
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103 In order to make the program work, you must do the following :
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104 - Copy all source files from this example folder to the template folder under
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105 Project\STM32F10x_StdPeriph_Template
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106 - Open your preferred toolchain
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107 - Rebuild all files and load your image into target memory
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108 - Run the example
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109
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110 @note
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111 - Low-density Value line devices are STM32F100xx microcontrollers where the
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112 Flash memory density ranges between 16 and 32 Kbytes.
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113 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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114 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
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115 - Medium-density Value line devices are STM32F100xx microcontrollers where
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116 the Flash memory density ranges between 64 and 128 Kbytes.
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117 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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118 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
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119 - High-density Value line devices are STM32F100xx microcontrollers where
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120 the Flash memory density ranges between 256 and 512 Kbytes.
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121 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
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122 the Flash memory density ranges between 256 and 512 Kbytes.
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123 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where
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124 the Flash memory density ranges between 512 and 1024 Kbytes.
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125 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
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126
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127 * <h3><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h3>
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128 */