Mercurial > ~darius > hgwebdir.cgi > stm32temp
annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/PWM_Output/readme.txt @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
---|---|
date | Mon, 03 Oct 2011 21:19:15 +1030 |
parents | |
children |
rev | line source |
---|---|
0
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
1 /** |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
2 @page TIM_PWM_Output TIM PWM Output example |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
3 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
4 @verbatim |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
5 ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
6 * @file TIM/PWM_Output/readme.txt |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
7 * @author MCD Application Team |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
8 * @version V3.5.0 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
9 * @date 08-April-2011 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
10 * @brief Description of the TIM PWM Output example. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
11 ****************************************************************************** |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
18 ****************************************************************************** |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
19 @endverbatim |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
20 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
21 @par Example Description |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
22 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
23 This example shows how to configure the TIM peripheral in PWM (Pulse Width Modulation) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
24 mode. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
25 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
26 The TIM3CLK frequency is set to SystemCoreClock / 2 (Hz), to get TIM3 counter |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
27 clock at 24 MHz the Prescaler is computed as following: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
28 - Prescaler = (TIM3CLK / TIM3 counter clock) - 1 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
29 SystemCoreClock is set to 72 MHz for Low-density, Medium-density, High-density |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
30 and Connectivity line devices and to 24 MHz for Value line devices. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
31 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
32 The TIM3 is running at 36 KHz: TIM3 Frequency = TIM3 counter clock/(ARR + 1) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
33 = 24 MHz / 666 = 36 KHz |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
34 The TIM3 CCR1 register value is equal to 500, so the TIM3 Channel 1 generates a |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
35 PWM signal with a frequency equal to 36 KHz and a duty cycle equal to 50%: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
36 TIM3 Channel1 duty cycle = (TIM3_CCR1/ TIM3_ARR + 1)* 100 = 50% |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
37 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
38 The TIM3 CCR2 register value is equal to 375, so the TIM3 Channel 2 generates a |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
39 PWM signal with a frequency equal to 36 KHz and a duty cycle equal to 37.5%: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
40 TIM3 Channel2 duty cycle = (TIM3_CCR2/ TIM3_ARR + 1)* 100 = 37.5% |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
41 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
42 The TIM3 CCR3 register value is equal to 250, so the TIM3 Channel 3 generates a |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
43 PWM signal with a frequency equal to 36 KHz and a duty cycle equal to 25%: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
44 TIM3 Channel3 duty cycle = (TIM3_CCR3/ TIM3_ARR + 1)* 100 = 25% |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
45 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
46 The TIM3 CCR4 register value is equal to 125, so the TIM3 Channel 4 generates a |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
47 PWM signal with a frequency equal to 36 KHz and a duty cycle equal to 12.5%: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
48 TIM3 Channel4 duty cycle = (TIM3_CCR4/ TIM3_ARR + 1)* 100 = 12.5% |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
49 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
50 The PWM waveform can be displayed using an oscilloscope. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
51 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
52 @par Directory contents |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
53 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
54 - TIM/PWM_Output/stm32f10x_conf.h Library Configuration file |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
55 - TIM/PWM_Output/stm32f10x_it.c Interrupt handlers |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
56 - TIM/PWM_Output/stm32f10x_it.h Interrupt handlers header file |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
57 - TIM/PWM_Output/main.c Main program |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
58 - TIM/PWM_Output/system_stm32f10x.c STM32F10x system source file |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
59 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
60 @par Hardware and Software environment |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
61 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
62 - This example runs on STM32F10x Connectivity line, High-Density, High-Density |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
63 Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
64 and Low-Density Value line Devices. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
65 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
66 - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
67 Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line), |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
68 STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
69 evaluation boards and can be easily tailored to any other supported device |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
70 and development board. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
71 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
72 - STM3210C-EVAL Set-up |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
73 - Connect the following pins(TIM3 full remapping pins) to an oscilloscope to monitor the different |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
74 waveforms: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
75 - PC.06: (TIM3_CH1) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
76 - PC.07: (TIM3_CH2) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
77 - PC.08: (TIM3_CH3) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
78 - PC.09: (TIM3_CH4) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
79 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
80 - STM32100B-EVAL, STM3210E-EVAL, STM32100E-EVAL and STM3210B-EVAL Set-up |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
81 - Connect the following pins to an oscilloscope to monitor the different |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
82 waveforms: |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
83 - PA.06: (TIM3_CH1) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
84 - PA.07: (TIM3_CH2) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
85 - PB.00: (TIM3_CH3) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
86 - PB.01: (TIM3_CH4) |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
87 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
88 @par How to use it ? |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
89 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
90 In order to make the program work, you must do the following : |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
91 - Copy all source files from this example folder to the template folder under |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
92 Project\STM32F10x_StdPeriph_Template |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
93 - Open your preferred toolchain |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
94 - Rebuild all files and load your image into target memory |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
95 - Run the example |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
96 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
97 @note |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
98 - Low-density Value line devices are STM32F100xx microcontrollers where the |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
99 Flash memory density ranges between 16 and 32 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
100 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
101 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
102 - Medium-density Value line devices are STM32F100xx microcontrollers where |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
103 the Flash memory density ranges between 64 and 128 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
104 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
105 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
106 - High-density Value line devices are STM32F100xx microcontrollers where |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
107 the Flash memory density ranges between 256 and 512 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
108 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
109 the Flash memory density ranges between 256 and 512 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
110 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
111 the Flash memory density ranges between 512 and 1024 Kbytes. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
112 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers. |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
113 |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
114 * <h3><center>© COPYRIGHT 2011 STMicroelectronics</center></h3> |
c59513fd84fb
Initial commit of STM32 test code.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
115 */ |