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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/PWR/STANDBY/readme.txt @ 55:b21db2b47a27

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Enable DMA mode by initing DMA channel and enabling IRQ handler.
author Daniel O'Connor <darius@dons.net.au>
date Sun, 07 Apr 2013 22:34:05 +0930
parents c59513fd84fb
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1 /**
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2 @page PWR_STANDBY PWR STANDBY 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 PWR/STANDBY/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 PWR STANDBY 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 shows how to enters the system to STANDBY mode and wake-up from this
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24 mode using: external RESET, RTC Alarm or WKUP pin.
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25
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26 In the associated software, the system clock is set to 24 MHz on Value line devices
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27 and to 72 MHz on other devices using the external high speed oscillator(HSE), an EXTI line
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28 is configured to generate an interrupt on falling edge and the SysTick is programmed
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29 to generate an interrupt each 250 ms. In the SysTick interrupt handler, the LED1 is
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30 toggled, this is used to indicate whether the MCU is in STANDBY or RUN mode.
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31
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32 When a falling edge is detected on the EXTI line an interrupt is generated. In the
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33 EXTI handler routine the RTC is configured to generate an Alarm event in 3 second
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34 then the system enters STANDBY mode causing the LED1 to stop toggling.
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35 A rising edge on WKUP pin or an external RESET will wake-up the system from
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36 STANDBY. If within 3 second neither rising edge on WKUP pin nor external RESET
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37 are generated, the RTC Alarm will wake-up the system.
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38
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39 After wake-up from STANDBY mode, program execution restarts in the same way as after
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40 a RESET, the LED1 restarts toggling, LED2 is turned on and the RTC configuration
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41 (clock source, enable, prescaler,...) is kept.
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42 As result there is no need to configure the RTC.
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43
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44 Two leds LED1 and LED2 are used to monitor the system state as following:
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45 - LED1 toggling: system in RUN mode
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46 - LED1 off / LED2 off: system in STANDBY mode
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47 - LED2 on: system resumed from STANDBY mode
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48
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49 @par Directory contents
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50
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51 - PWR/STANDBY/stm32f10x_conf.h Library Configuration file
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52 - PWR/STANDBY/stm32f10x_it.c Interrupt handlers
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53 - PWR/STANDBY/stm32f10x_it.h Header for stm32f10x_it.c
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54 - PWR/STANDBY/main.c Main program
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55 - PWR/STANDBY/system_stm32f10x.c STM32F10x system source file
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56
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57 @par Hardware and Software environment
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58
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59 - This example runs on STM32F10x Connectivity line, High-Density, High-Density
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60 Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density
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61 and Low-Density Value line Devices.
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62
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63 - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density
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64 Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line),
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65 STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density)
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66 evaluation boards and can be easily tailored to any other supported device
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67 and development board.
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68 To select the STMicroelectronics evaluation board used to run the example,
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69 uncomment the corresponding line in stm32_eval.h file (under Utilities\STM32_EVAL)
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70
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71 - STM32100E-EVAL Set-up
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72 - Use LED1 and LED2 connected respectively to PF.06 and PF.07 pins
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73 - Use the Key push-button connected to pin PG.08 (EXTI Line8).
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74 - Use the Wakeup push-button connected to WKUP(PA.00) pin
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75
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76 - STM32100B-EVAL Set-up
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77 - Use LED1 and LED2 connected respectively to PC.06 and PC.07 pins
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78 - Use the Key push-button connected to pin PB.09 (EXTI Line9).
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79 - Use the Wakeup push-button connected to WKUP(PA.00) pin
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80
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81 - STM3210C-EVAL Set-up
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82 - Use LED1 and LED2 connected respectively to PD.07 and PD.13 pins
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83 - Use the Key push-button connected to pin PB.09 (EXTI Line9).
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84 - Use the Wakeup push-button connected to WKUP(PA.00) pin, make sure
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85 that jumper JP14 is in position 2-3.
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86
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87 - STM3210E-EVAL Set-up
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88 - Use LED1 and LED2 connected respectively to PF.06 and PF.07 pins
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89 - Use the Key push-button connected to pin PG.08 (EXTI Line8).
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90 - Use the Wakeup push-button connected to WKUP(PA.00) pin
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91 @note the jumper JP4 must be not fit to be able to use the Wakeup push-button
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92
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93 - STM3210B-EVAL Set-up
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94 - Use LED1 and LED2 connected respectively to PC.06 and PC.07 pins
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95 - Use the Key push-button connected to pin PB.09 (EXTI Line9).
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96 - Use the Wakeup push-button connected to WKUP(PA.00) pin
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97
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98 @note For power consumption measurement in STANDBY mode, you have to replace
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99 jumper JP9 in the STM3210B-EVAL board, JP12 in the STM3210E-EVAL or
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100 JP23 (position 1-2) in the STM3210C-EVAL board by an amperemeter.
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101
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102
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103 @par How to use it ?
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104
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105 In order to make the program work, you must do the following :
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106 - Copy all source files from this example folder to the template folder under
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107 Project\STM32F10x_StdPeriph_Template
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108 - Open your preferred toolchain
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109 - Rebuild all files and load your image into target memory
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110 - Run the example in standalone mode (without debugger connection)
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111
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112 @note
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113 - Low-density Value line devices are STM32F100xx microcontrollers where the
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114 Flash memory density ranges between 16 and 32 Kbytes.
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115 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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116 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
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117 - Medium-density Value line devices are STM32F100xx microcontrollers where
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118 the Flash memory density ranges between 64 and 128 Kbytes.
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119 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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120 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
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121 - High-density Value line devices are STM32F100xx microcontrollers where
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122 the Flash memory density ranges between 256 and 512 Kbytes.
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123 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
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124 the Flash memory density ranges between 256 and 512 Kbytes.
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125 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where
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126 the Flash memory density ranges between 512 and 1024 Kbytes.
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127 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
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128
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129 * <h3><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h3>
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130 */