📄 main.lst
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# #
# IAR ARM ANSI C/C++ Compiler V4.42A/W32 15/May/2008 12:06:29 #
# Copyright 1999-2005 IAR Systems. All rights reserved. #
# #
# Cpu mode = thumb #
# Endian = little #
# Stack alignment = 4 #
# Source file = C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\source\main.c #
# Command line = "C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\source\main.c" -D #
# VECT_TAB_FLASH -lcN "C:\David JIANG\ST #
# MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\BOOT_FLASH\List\" -lb #
# "C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\BOOT_FLASH\List\" -o #
# "C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\BOOT_FLASH\Obj\" -z3 #
# --no_cse --no_unroll --no_inline --no_code_motion #
# --no_tbaa --no_clustering --no_scheduling --debug #
# --cpu_mode thumb --endian little --cpu cortex-M3 #
# --stack_align 4 --require_prototypes --fpu None #
# --dlib_config "C:\Program Files\IAR #
# Systems\Embedded Workbench #
# 4.0\arm\LIB\dl7mptnnl8f.h" -I "C:\David JIANG\ST #
# MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\" -I "C:\David #
# JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\..\include\" -I #
# "C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\..\..\FWLib\inc\" -I #
# "C:\Program Files\IAR Systems\Embedded Workbench #
# 4.0\arm\INC\" #
# List file = C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\BOOT_FLASH\List\main.l #
# st #
# Object file = C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\BOOT_FLASH\Obj\main.r7 #
# 9 #
# #
# #
##############################################################################
C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM Encoder\example\project\source\main.c
1 /******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
2 * File Name : main.c
3 * Author : Jian-guo JIANG
4 * Date First Issued : 2008.5.14
5 * Description : Main program body
6 ********************************************************************************
7 * History:
8 * 2008.5.14: V1.0
9 ********************************************************************************
10 * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
11 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
12 * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
13 * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
14 * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
15 * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
16 *******************************************************************************/
17
18 /* Includes ------------------------------------------------------------------*/
19 #include "stm32f10x_lib.h"
20 #include "lcd.h"
21 #include "stm32f10x_encoder.h"
22 #include "stm32f10x_Timebase.h"
23
24 /* Local includes ------------------------------------------------------------*/
25 /* Private typedef -----------------------------------------------------------*/
26 /* Private define ------------------------------------------------------------*/
27 #define KEY_2_PORT GPIOD
28 #define KEY_2_BIT GPIO_Pin_3
29
30 #define KEY_3_PORT GPIOD
31 #define KEY_3_BIT GPIO_Pin_4
32
33 // These are defines for reading the buttonS
34 #define NOKEY (u8)0
35 #define KEY2 (u8)1
36 #define KEY3 (u8)2
37 #define KEY_HOLD (u8)3
38
39 /* Private macro -------------------------------------------------------------*/
40 /* Private variables ---------------------------------------------------------*/
41 static DisplayType DisplayStatus = DISPLAY_TIMCNT;
42 static u8 bKey = NOKEY;
43 static u8 bPrevious_key = NOKEY;
44
45 /* Private functions ---------------------------------------------------------*/
46 void RCC_Configuration(void);
47 void GPIO_Configuration(void);
48 void NVIC_Configuration(void);
49 void LcdShow_Init(void);
50 void KEYS_Init(void);
51 u8 KEYS_Read( void );
52
53 /*******************************************************************************
54 * Function Name : main
55 * Description : Main program
56 * Input : None
57 * Output : None
58 * Return : None
59 *******************************************************************************/
60 int main(void)
61 {
62
63 #ifdef DEBUG
64 debug();
65 #endif
66
67 /* System Clocks Configuration */
68 RCC_Configuration();
69
70 /* GPIO ports pins Configuration */
71 GPIO_Configuration();
72
73 /* NVIC Configuration */
74 NVIC_Configuration();
75
76 /* Configure the systick */
77 TB_Init();
78 ENC_Init();
79
80 LcdShow_Init();
81 KEYS_Init();
82
83 while(1)
84 {
85 bKey = KEYS_Read(); // read key pushed (if any...)
86 if (bKey == KEY2)
87 {
88 if (DisplayStatus == DISPLAY_W) DisplayStatus = DISPLAY_TIMCNT;
89 else DisplayStatus++;
90 }
91
92 if (TB_DisplayDelay_IsElapsed() == TRUE)
93 {
94 TB_Set_DisplayDelay_500us(100); // 50ms
95 LCD_Display(DisplayStatus);
96 }
97 }
98 }
99
100 /*******************************************************************************
101 * Function Name : RCC_Configuration
102 * Description : Configures the different system clocks.
103 * Input : None
104 * Output : None
105 * Return : None
106 *******************************************************************************/
107 void RCC_Configuration(void)
108 {
109 ErrorStatus HSEStartUpStatus;
110
111 /* RCC system reset(for debug purpose) */
112 // RCC_DeInit();
113
114 /* Enable HSE */
115 RCC_HSEConfig(RCC_HSE_ON);
116
117 /* Wait till HSE is ready */
118 HSEStartUpStatus = RCC_WaitForHSEStartUp();
119
120 if(HSEStartUpStatus == SUCCESS)
121 {
122 /* HCLK = SYSCLK */
123 RCC_HCLKConfig(RCC_SYSCLK_Div1);
124
125 /* PCLK2 = HCLK */
126 RCC_PCLK2Config(RCC_HCLK_Div1);
127
128 /* PCLK1 = HCLK/2 */
129 RCC_PCLK1Config(RCC_HCLK_Div2);
130
131 /* ADCCLK = PCLK2/6 */
132 RCC_ADCCLKConfig(RCC_PCLK2_Div6);
133
134 /* Flash 2 wait state */
135 FLASH_SetLatency(FLASH_Latency_2);
136
137 /* Enable Prefetch Buffer */
138 FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
139
140 /* PLLCLK = 8MHz * 9 = 72 MHz */
141 RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
142
143 /* Enable PLL */
144 RCC_PLLCmd(ENABLE);
145
146 /* Wait till PLL is ready */
147 while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
148 {
149 }
150
151 /* Select PLL as system clock source */
152 RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
153
154 /* Wait till PLL is used as system clock source */
155 while(RCC_GetSYSCLKSource() != 0x08)
156 {
157 }
158 }
159
160 /* Enable GPIOA, GPIOB, GPIOC, GPIOD, GPIOE and AFIO clocks */
161 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |RCC_APB2Periph_GPIOC
162 | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO, ENABLE);
163
164 /* TIM2 clocks enable */
165 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
166
167 /* CAN Periph clock enable */
168 RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
169 }
170
171 /*******************************************************************************
172 * Function Name : GPIO_Configuration
173 * Description : Configures the different GPIO ports.
174 * Input : None
175 * Output : None
176 * Return : None
177 *******************************************************************************/
178 void GPIO_Configuration(void)
179 {
180 GPIO_InitTypeDef GPIO_InitStructure;
181
182 /* Configure PC.04 -- PC.11 as Output push-pull */
183 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 |GPIO_Pin_6 | GPIO_Pin_7
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