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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/DMA_Interrupt/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 USART_DMA_Interrupt USART DMA Interrupt 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 USART/DMA_Interrupt/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 USART DMA Interrupt 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 provides a basic communication between USARTy and USARTz using DMA
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24 capability, flags and interrupts. USARTy and USARTz can be USART1 and USART2 or
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25 USART2 and USART3, depending on the STMicroelectronics EVAL board you are using.
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26
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27 First, the DMA transfers data from TxBuffer2 buffer to USARTz Transmit data register,
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28 then this data is sent to USARTy. Data received by USARTy is transferred using
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29 RXNE flag and stored in RxBuffer1 then compared with the sent ones and
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30 the result of this comparison is stored in the "TransferStatus1" variable.
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31
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32 In the same time, the DMA transfers data from TxBuffer1 buffer to USARTy Transmit
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33 data register, then this data is sent to USARTz. Data received by USARTz is
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34 transferred using Receive interrupt and stored in RxBuffer2 then compared with
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35 the sent ones and the result of this comparison is stored in the "TransferStatus2"
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36 variable.
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37
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38 USARTy and USARTz configured as follow:
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39 - BaudRate = 230400 baud
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40 - Word Length = 8 Bits
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41 - One Stop Bit
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42 - No parity
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43 - Hardware flow control disabled (RTS and CTS signals)
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44 - Receive and transmit enabled
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45
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46 @par Directory contents
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47
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48 - USART/DMA_Interrupt/platform_config.h Evaluation board specific configuration file
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49 - USART/DMA_Interrupt/stm32f10x_conf.h Library Configuration file
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50 - USART/DMA_Interrupt/stm32f10x_it.h Interrupt handlers header file
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51 - USART/DMA_Interrupt/stm32f10x_it.c Interrupt handlers
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52 - USART/DMA_Interrupt/main.c Main program
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53 - USART/DMA_Interrupt/system_stm32f10x.c STM32F10x system source file
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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, High-Density
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58 Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density
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59 and Low-Density Value line Devices.
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60
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61 - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density
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62 Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line),
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63 STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density)
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64 evaluation boards and can be easily tailored to any other supported device
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65 and development board.
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66 To select the STMicroelectronics evaluation board used to run the example,
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67 uncomment the corresponding line in USART/DMA_Interrupt/platform_config.h file
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68
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69 - STM32100E-EVAL Set-up
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70 - Connect a null-modem female/female RS232 cable between CN10 (USART1) and
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71 CN5 (USART2).
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72 @note Make sure that jumper JP5 is not open.
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73
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74 - STM32100B-EVAL Set-up
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75 - Connect a null-modem female/female RS232 cable between CN10 (USART1) and
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76 CN9 (USART2).
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77 @note In this case USART2 Tx and Rx pins are remapped by software on PD.05
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78 and PD.06 respectively.
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79
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80 - STM3210C-EVAL Set-up
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81 - Connect USART2 Tx pin (PD.05) to USART3 Rx pin (PC.11)
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82 - Connect USART2 Rx pin (PD.06) to USART3 Tx pin (PC.10)
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83 @note In this case USART3 Tx and Rx pins are remapped by software.
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84 Make sure that jumpers JP19 and JP18 are open.
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85
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86 - STM3210E-EVAL Set-up
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87 - Connect a null-modem female/female RS232 cable between CN12 (USART1) and
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88 CN8 (USART2).
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89
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90 - STM3210B-EVAL Set-up
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91 - Connect a null-modem female/female RS232 cable between CN6 (USART1) and
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92 CN5 (USART2).
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93 - In this case USART2 Tx and Rx pins are remapped by software on PD.05
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94 and PD.06 respectively.
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95
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96
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97 @par How to use it ?
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98
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99 In order to make the program work, you must do the following :
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100 - Copy all source files from this example folder to the template folder under
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101 Project\STM32F10x_StdPeriph_Template
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102 - Open your preferred toolchain
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103 - Rebuild all files and load your image into target memory
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104 - Run the example
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105
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106 @note
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107 - Low-density Value line devices are STM32F100xx microcontrollers where the
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108 Flash memory density ranges between 16 and 32 Kbytes.
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109 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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110 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
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111 - Medium-density Value line devices are STM32F100xx microcontrollers where
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112 the Flash memory density ranges between 64 and 128 Kbytes.
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113 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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114 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
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115 - High-density Value line devices are STM32F100xx microcontrollers where
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116 the Flash memory density ranges between 256 and 512 Kbytes.
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117 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
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118 the Flash memory density ranges between 256 and 512 Kbytes.
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119 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where
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120 the Flash memory density ranges between 512 and 1024 Kbytes.
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121 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
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122
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123 * <h3><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h3>
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124 */