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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/PWR/PVD/readme.txt @ 55:b21db2b47a27
Enable DMA mode by initing DMA channel and enabling IRQ handler.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Sun, 07 Apr 2013 22:34:05 +0930 |
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1 /** |
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2 @page PWR_PVD PWR PVD 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/PVD/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 PVD 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 configure the programmable voltage detector using |
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24 an external interrupt line. In this example, EXTI line 16 is configured to generate |
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25 an interrupt on each rising or falling edge of the PVD output signal (which |
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26 indicates that the Vdd voltage is below the PVD threshold). |
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27 In the interrupt routine a led connected to a specific GPIO pin is toggled every |
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28 time the voltage drops below or the target threshold. |
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29 |
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30 |
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31 @par Directory contents |
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32 |
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33 - PWR/PVD/stm32f10x_conf.h Library Configuration file |
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34 - PWR/PVD/stm32f10x_it.c Interrupt handlers |
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35 - PWR/PVD/stm32f10x_it.h Header for stm32f10x_it.c |
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36 - PWR/PVD/main.c Main program |
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37 - PWR/PVD/system_stm32f10x.c STM32F10x system source file |
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38 |
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39 @par Hardware and Software environment |
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40 |
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41 - This example runs on STM32F10x Connectivity line, High-Density, High-Density |
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42 Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density |
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43 and Low-Density Value line Devices. |
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44 |
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45 - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density |
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46 Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line), |
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47 STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density) |
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48 evaluation boards and can be easily tailored to any other supported device |
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49 and development board. |
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50 To select the STMicroelectronics evaluation board used to run the example, |
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51 uncomment the corresponding line in stm32_eval.h file (under Utilities\STM32_EVAL) |
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52 |
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53 - STM32100E-EVAL Set-up |
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54 - Use LED1 led connected to PC.06 pin |
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55 |
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56 - STM32100B-EVAL Set-up |
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57 - Use LED1 led connected to PC.06 pin |
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58 |
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59 - STM3210C-EVAL Set-up |
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60 - Use LED1 led connected to PD.07 pin |
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61 |
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62 - STM3210E-EVAL Set-up |
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63 - Use LED1 led connected to PF.06 pin |
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64 |
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65 - STM3210B-EVAL Set-up |
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66 - Use LED1 led connected to PC.06 pin |
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67 |
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68 @note |
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69 - Use a variable DC power supply connected to the 3V3 input to the evaluation |
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70 board and dropping the voltage below 2.7V. |
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71 |
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72 @par How to use it ? |
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73 |
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74 In order to make the program work, you must do the following : |
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75 - Copy all source files from this example folder to the template folder under |
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76 Project\STM32F10x_StdPeriph_Template |
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77 - Open your preferred toolchain |
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78 - Rebuild all files and load your image into target memory |
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79 - Run the example in standalone mode (without debugger connection) |
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80 |
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81 @note |
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82 - Low-density Value line devices are STM32F100xx microcontrollers where the |
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83 Flash memory density ranges between 16 and 32 Kbytes. |
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84 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx |
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85 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. |
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86 - Medium-density Value line devices are STM32F100xx microcontrollers where |
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87 the Flash memory density ranges between 64 and 128 Kbytes. |
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88 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx |
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89 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. |
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90 - High-density Value line devices are STM32F100xx microcontrollers where |
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91 the Flash memory density ranges between 256 and 512 Kbytes. |
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92 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where |
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93 the Flash memory density ranges between 256 and 512 Kbytes. |
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94 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where |
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95 the Flash memory density ranges between 512 and 1024 Kbytes. |
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96 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers. |
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97 |
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98 * <h3><center>© COPYRIGHT 2011 STMicroelectronics</center></h3> |
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99 */ |