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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/TIM9_OCToggle/readme.txt @ 8:58d76cf522ff

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Split out code into separate files.
author Daniel O'Connor <darius@dons.net.au>
date Sat, 04 Feb 2012 13:29:31 +1030
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1 /**
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2 @page TIM9_OCToggle TIM9 OC Toggle 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 TIM/TIM9_OCToggle/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 TIM9 OC Toggle 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 TIM9 peripheral to generate two different
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24 signals with two different frequencies.
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25
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26 The TIM9CLK frequency is set to SystemCoreClock (72 MHz), and we want to get TIM9
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27 counter clock at 24 MHz so the Prescaler is computed as following:
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28 - Prescaler = (TIM9CLK / TIM9 counter clock) - 1
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29
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30 The TIM9 CCR1 register value is equal to 32768:
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31 CC1 update rate = TIM9 counter clock / CCR1Val = 732.4 Hz,
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32 so the TIM9 Channel 1 generates a periodic signal with a frequency equal to 366.2 Hz.
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33
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34 The TIM9 CCR2 register is equal to 16384:
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35 CC2 update rate = TIM9 counter clock / CCR2Val = 1464.8
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36 so the TIM9 channel 2 generates a periodic signal with a frequency equal to 732.4 Hz.
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37
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38
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39 @par Directory contents
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40
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41 - TIM/TIM9_OCToggle/stm32f10x_conf.h Library Configuration file
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42 - TIM/TIM9_OCToggle/stm32f10x_it.c Interrupt handlers
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43 - TIM/TIM9_OCToggle/stm32f10x_it.h Interrupt handlers header file
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44 - TIM/TIM9_OCToggle/main.c Main program
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45 - TIM/TIM9_OCToggle/system_stm32f10x.c STM32F10x system source file
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46
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47 @par Hardware and Software environment
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48
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49 - This example runs only on STM32F10x XL-Density Devices.
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50
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51 - This example has been tested with STMicroelectronics STM3210E-EVAL (XL-Density)
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52 evaluation board and can be easily tailored to any development board.
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53
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54 - STM3210E-EVAL Set-up
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55 - Connect the TIM9 pins to an oscilloscope to monitor the different waveforms:
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56 - PA.02 (TIM9_CH1)
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57 - PA.03 (TIM9_CH2)
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59
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60 @par How to use it ?
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61
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62 In order to make the program work, you must do the following :
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63 - Copy all source files from this example folder to the template folder under
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64 Project\STM32F10x_StdPeriph_Template
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65 - Open your preferred toolchain
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66 - Rebuild all files and load your image into target memory
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67 - Run the example
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68
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69 @note
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70 - Low-density Value line devices are STM32F100xx microcontrollers where the
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71 Flash memory density ranges between 16 and 32 Kbytes.
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72 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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73 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
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74 - Medium-density Value line devices are STM32F100xx microcontrollers where
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75 the Flash memory density ranges between 64 and 128 Kbytes.
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76 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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77 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
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78 - High-density Value line devices are STM32F100xx microcontrollers where
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79 the Flash memory density ranges between 256 and 512 Kbytes.
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80 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
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81 the Flash memory density ranges between 256 and 512 Kbytes.
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82 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where
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83 the Flash memory density ranges between 512 and 1024 Kbytes.
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84 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
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85
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86 * <h3><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h3>
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87 */