📄 stm32f10x_iwdg.lst
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# #
# IAR ARM ANSI C/C++ Compiler V4.42A/W32 15/May/2008 12:06:31 #
# 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\FWLib\src\stm32f10x_iwdg.c #
# Command line = "C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\FWLib\src\stm32f10x_iwdg.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\stm32f #
# 10x_iwdg.lst #
# Object file = C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM #
# Encoder\example\project\EWARM\BOOT_FLASH\Obj\stm32f1 #
# 0x_iwdg.r79 #
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C:\David JIANG\ST MCU\Docs\STM32\AN_JIANG\TIM Encoder\example\FWLib\src\stm32f10x_iwdg.c
1 /******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
2 * File Name : stm32f10x_iwdg.c
3 * Author : MCD Application Team
4 * Date First Issued : 09/29/2006
5 * Description : This file provides all the IWDG firmware functions.
6 ********************************************************************************
7 * History:
8 * 05/21/2007: V0.3
9 * 04/02/2007: V0.2
10 * 02/05/2007: V0.1
11 * 09/29/2006: V0.01
12 ********************************************************************************
13 * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
14 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
15 * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
16 * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
17 * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
18 * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
19 *******************************************************************************/
20
21 /* Includes ------------------------------------------------------------------*/
22 #include "stm32f10x_iwdg.h"
23
24 /* Private typedef -----------------------------------------------------------*/
25 /* Private define ------------------------------------------------------------*/
26 /* ---------------------- IWDG registers bit mask ------------------------ */
27 /* KR register bit mask */
28 #define KR_Reload ((u16)0xAAAA)
29 #define KR_Enable ((u16)0xCCCC)
30
31 /* Private macro -------------------------------------------------------------*/
32 /* Private variables ---------------------------------------------------------*/
33 /* Private function prototypes -----------------------------------------------*/
34 /* Private functions ---------------------------------------------------------*/
35
36 /*******************************************************************************
37 * Function Name : IWDG_WriteAccessCmd
38 * Description : Enables or disables write access to IWDG_PR and IWDG_RLR
39 * registers.
40 * Input : - IWDG_WriteAccess: new state of write access to IWDG_PR and
41 * IWDG_RLR registers.
42 * This parameter can be one of the following values:
43 * - IWDG_WriteAccess_Enable: Enable write access to
44 * IWDG_PR and IWDG_RLR registers
45 * - IWDG_WriteAccess_Disable: Disable write access to
46 * IWDG_PR and IWDG_RLR registers
47 * Output : None
48 * Return : None
49 *******************************************************************************/
50 void IWDG_WriteAccessCmd(u16 IWDG_WriteAccess)
51 {
52 /* Check the parameters */
53 assert(IS_IWDG_WRITE_ACCESS(IWDG_WriteAccess));
54
55 IWDG->KR = IWDG_WriteAccess;
56 }
57
58 /*******************************************************************************
59 * Function Name : IWDG_SetPrescaler
60 * Description : Sets IWDG Prescaler value.
61 * Input : - IWDG_Prescaler: specifies the IWDG Prescaler value.
62 * This parameter can be one of the following values:
63 * - IWDG_Prescaler_4: IWDG prescaler set to 4
64 * - IWDG_Prescaler_8: IWDG prescaler set to 8
65 * - IWDG_Prescaler_16: IWDG prescaler set to 16
66 * - IWDG_Prescaler_32: IWDG prescaler set to 32
67 * - IWDG_Prescaler_64: IWDG prescaler set to 64
68 * - IWDG_Prescaler_128: IWDG prescaler set to 128
69 * - IWDG_Prescaler_256: IWDG prescaler set to 256
70 * Output : None
71 * Return : None
72 *******************************************************************************/
73 void IWDG_SetPrescaler(u8 IWDG_Prescaler)
74 {
75 /* Check the parameters */
76 assert(IS_IWDG_PRESCALER(IWDG_Prescaler));
77
78 IWDG->PR = IWDG_Prescaler;
79 }
80
81 /*******************************************************************************
82 * Function Name : IWDG_SetReload
83 * Description : Sets IWDG Reload value.
84 * Input : - Reload: specifies the IWDG Reload value.
85 * This parameter must be a number between 0 and 0x0FFF.
86 * Output : None
87 * Return : None
88 *******************************************************************************/
89 void IWDG_SetReload(u16 Reload)
90 {
91 /* Check the parameters */
92 assert(IS_IWDG_RELOAD(Reload));
93
94 IWDG->RLR = Reload;
95 }
96
97 /*******************************************************************************
98 * Function Name : IWDG_ReloadCounter
99 * Description : Reloads IWDG counter with value defined in the reload register
100 * (write access to IWDG_PR and IWDG_RLR registers disabled).
101 * Input : None
102 * Output : None
103 * Return : None
104 *******************************************************************************/
105 void IWDG_ReloadCounter(void)
106 {
107 IWDG->KR = KR_Reload;
108 }
109
110 /*******************************************************************************
111 * Function Name : IWDG_Enable
112 * Description : Enables IWDG (write access to IWDG_PR and IWDG_RLR registers
113 * disabled).
114 * Input : None
115 * Output : None
116 * Return : None
117 *******************************************************************************/
118 void IWDG_Enable(void)
119 {
120 IWDG->KR = KR_Enable;
121 }
122
123 /*******************************************************************************
124 * Function Name : IWDG_GetFlagStatus
125 * Description : Checks whether the specified IWDG flag is set or not.
126 * Input : - IWDG_FLAG: specifies the flag to check.
127 * This parameter can be one of the following values:
128 * - IWDG_FLAG_PVU: Prescaler Value Update on going
129 * - IWDG_FLAG_RVU: Reload Value Update on going
130 * Output : None
131 * Return : The new state of IWDG_FLAG (SET or RESET).
132 *******************************************************************************/
133 FlagStatus IWDG_GetFlagStatus(u16 IWDG_FLAG)
134 {
135 FlagStatus bitstatus = RESET;
136
137 /* Check the parameters */
138 assert(IS_IWDG_FLAG(IWDG_FLAG));
139
140 if ((IWDG->SR & IWDG_FLAG) != (u32)RESET)
141 {
142 bitstatus = SET;
143 }
144 else
145 {
146 bitstatus = RESET;
147 }
148
149 /* Return the flag status */
150 return bitstatus;
151 }
152
153 /******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/
Maximum stack usage in bytes:
Function CSTACK
-------- ------
IWDG_Enable 0
IWDG_GetFlagStatus 8
IWDG_ReloadCounter 0
IWDG_SetPrescaler 8
IWDG_SetReload 8
IWDG_WriteAccessCmd 8
Segment part sizes:
Function/Label Bytes
-------------- -----
IWDG_WriteAccessCmd 36
IWDG_SetPrescaler 48
IWDG_SetReload 28
IWDG_ReloadCounter 16
IWDG_Enable 16
IWDG_GetFlagStatus 40
??DataTable8 4
??DataTable9 4
?<Constant "C:\\David JIANG\\ST MCU...">
92
Others 8
200 bytes in segment CODE
92 bytes in segment DATA_C
192 bytes of CODE memory (+ 8 bytes shared)
92 bytes of CONST memory
Errors: none
Warnings: none
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