📄 stm32f10x_i2c.lst
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##############################################################################
# #
# IAR ARM ANSI C/C++ Compiler V4.42A/W32 KICKSTART 13/Mar/2009 16:01:10 #
# Copyright 1999-2005 IAR Systems. All rights reserved. #
# #
# Cpu mode = thumb #
# Endian = little #
# Stack alignment = 4 #
# Source file = E:\UC_OS\Micrium\Software\CPU\ST\STM32\src\stm32f10x #
# _i2c.c #
# Command line = E:\UC_OS\Micrium\Software\CPU\ST\STM32\src\stm32f10x #
# _i2c.c -lCN E:\UC_OS\Micrium\Software\EvalBoards\ST\ #
# STM3210B-EVAL\IAR\OS-Probe\Flash\List\ -o #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\Flash\Obj\ -z6 --no_unroll #
# --no_inline --no_tbaa --no_scheduling --debug #
# --cpu_mode thumb --endian little --cpu cortex-M3 #
# --stack_align 4 -e --fpu None --dlib_config #
# "C:\Program Files\IAR Systems\Embedded Workbench #
# 4.0 Kickstart\arm\LIB\dl7mptnnl8n.h" -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\ -I E:\UC_OS\Micrium\Software\EvalBoa #
# rds\ST\STM3210B-EVAL\IAR\OS-Probe\..\..\..\..\..\uco #
# s-ii\ports\arm-cortex-m3\generic\iar\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\ucos-ii\source\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uc-lib\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uc-cpu\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uc-cpu\ARM-Cortex-M3\I #
# AR\ -I E:\UC_OS\Micrium\Software\EvalBoards\ST\STM32 #
# 10B-EVAL\IAR\OS-Probe\..\..\..\..\..\cpu\st\stm32\in #
# c\ -I E:\UC_OS\Micrium\Software\EvalBoards\ST\STM321 #
# 0B-EVAL\IAR\OS-Probe\..\BSP\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uC-Probe\Target\Commun #
# ication\Generic\RS-232\Source\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uC-Probe\Target\Commun #
# ication\Generic\RS-232\Ports\ST\STM32\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uC-Probe\Target\Commun #
# ication\Generic\Source\ -I #
# E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\..\..\..\..\..\uC-Probe\Target\Plugin #
# s\uCOS-II\ -I "C:\Program Files\IAR #
# Systems\Embedded Workbench 4.0 Kickstart\arm\INC\" #
# List file = E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\Flash\List\stm32f10x_i2c.lst #
# Object file = E:\UC_OS\Micrium\Software\EvalBoards\ST\STM3210B-EVA #
# L\IAR\OS-Probe\Flash\Obj\stm32f10x_i2c.r79 #
# #
# #
##############################################################################
E:\UC_OS\Micrium\Software\CPU\ST\STM32\src\stm32f10x_i2c.c
1 /******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
2 * File Name : stm32f10x_i2c.c
3 * Author : MCD Application Team
4 * Date First Issued : 09/29/2006
5 * Description : This file provides all the I2C 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_i2c.h"
23 #include "stm32f10x_rcc.h"
24
25 /* Private typedef -----------------------------------------------------------*/
26 /* Private define ------------------------------------------------------------*/
27 /* I2C SPE mask */
28 #define CR1_PE_Set ((u16)0x0001)
29 #define CR1_PE_Reset ((u16)0xFFFE)
30
31 /* I2C DMAEN mask */
32 #define CR2_DMAEN_Set ((u16)0x0800)
33 #define CR2_DMAEN_Reset ((u16)0xF7FF)
34
35 /* I2C LAST mask */
36 #define CR2_LAST_Set ((u16)0x1000)
37 #define CR2_LAST_Reset ((u16)0xEFFF)
38
39 /* I2C START mask */
40 #define CR1_START_Set ((u16)0x0100)
41 #define CR1_START_Reset ((u16)0xFEFF)
42
43 /* I2C STOP mask */
44 #define CR1_STOP_Set ((u16)0x0200)
45 #define CR1_STOP_Reset ((u16)0xFDFF)
46
47 /* I2C ACK mask */
48 #define CR1_ACK_Set ((u16)0x0400)
49 #define CR1_ACK_Reset ((u16)0xFBFF)
50
51 /* I2C ENGC mask */
52 #define CR1_ENGC_Set ((u16)0x0040)
53 #define CR1_ENGC_Reset ((u16)0xFFBF)
54
55 /* I2C ADD0 mask */
56 #define OAR1_ADD0_Set ((u16)0x0001)
57 #define OAR1_ADD0_Reset ((u16)0xFFFE)
58
59 /* I2C SWRST mask */
60 #define CR1_SWRST_Set ((u16)0x8000)
61 #define CR1_SWRST_Reset ((u16)0x7FFF)
62
63 /* I2C PEC mask */
64 #define CR1_PEC_Set ((u16)0x1000)
65 #define CR1_PEC_Reset ((u16)0xEFFF)
66
67 /* I2C ENPEC mask */
68 #define CR1_ENPEC_Set ((u16)0x0020)
69 #define CR1_ENPEC_Reset ((u16)0xFFDF)
70
71 /* I2C ENARP mask */
72 #define CR1_ENARP_Set ((u16)0x0010)
73 #define CR1_ENARP_Reset ((u16)0xFFEF)
74
75 /* I2C NOSTRETCH mask */
76 #define CR1_NOSTRETCH_Set ((u16)0x0080)
77 #define CR1_NOSTRETCH_Reset ((u16)0xFF7F)
78
79 /* I2C ENDUAL mask */
80 #define OAR2_ENDUAL_Set ((u16)0x0001)
81 #define OAR2_ENDUAL_Reset ((u16)0xFFFE)
82
83 /* I2C F/S mask */
84 #define CCR_FS_Set ((u16)0x8000)
85
86 /* I2C ADD2 mask */
87 #define OAR2_ADD2_Reset ((u16)0xFF01)
88
89 /* I2C FREQ mask */
90 #define CR2_FREQ_Reset ((u16)0xFFC0)
91
92 /* I2C CCR mask */
93 #define CCR_CCR_Set ((u16)0x0FFF)
94
95 /* I2C FLAG mask */
96 #define I2C_FLAG_Mask ((u32)0x00FFFFFF)
97
98 /* I2C registers Masks */
99 #define CR1_CLEAR_Mask ((u16)0xFBF5)
100
101 /* Private macro -------------------------------------------------------------*/
102 /* Private variables ---------------------------------------------------------*/
103 /* Private function prototypes -----------------------------------------------*/
104 /* Private functions ---------------------------------------------------------*/
105
106 /*******************************************************************************
107 * Function Name : I2C_DeInit
108 * Description : Deinitializes the I2Cx peripheral registers to their default
109 * reset values.
110 * Input : - I2Cx: where x can be 1 or 2 to select the I2C peripheral.
111 * Output : None
112 * Return : None
113 *******************************************************************************/
\ In segment CODE, align 4, keep-with-next
114 void I2C_DeInit(I2C_TypeDef* I2Cx)
115 {
\ I2C_DeInit:
\ 00000000 00B5 PUSH {LR}
116 switch (*(u32*)&I2Cx)
\ 00000002 0D49 LDR.N R1,??I2C_DeInit_0 ;; 0x40005400
\ 00000004 8842 CMP R0,R1
\ 00000006 03D0 BEQ.N ??I2C_DeInit_1
\ 00000008 0C49 LDR.N R1,??I2C_DeInit_0+0x4 ;; 0x40005800
\ 0000000A 8842 CMP R0,R1
\ 0000000C 0AD0 BEQ.N ??I2C_DeInit_2
\ 0000000E 00BD POP {PC}
117 {
118 case I2C1_BASE:
119 /* Enable I2C1 reset state */
120 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, ENABLE);
\ ??I2C_DeInit_1:
\ 00000010 0121 MOVS R1,#+1
\ 00000012 4805 LSLS R0,R1,#+21
\ 00000014 ........ _BLF RCC_APB1PeriphResetCmd,??RCC_APB1PeriphResetCmd??rT
121 /* Release I2C1 from reset state */
122 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, DISABLE);
\ 00000018 0021 MOVS R1,#+0
\ 0000001A 5FF40010 MOVS R0,#+2097152
\ 0000001E ........ _BLF RCC_APB1PeriphResetCmd,??RCC_APB1PeriphResetCmd??rT
\ 00000022 00BD POP {PC}
123 break;
124
125 case I2C2_BASE:
126 /* Enable I2C2 reset state */
127 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, ENABLE);
\ ??I2C_DeInit_2:
\ 00000024 0121 MOVS R1,#+1
\ 00000026 8805 LSLS R0,R1,#+22
\ 00000028 ........ _BLF RCC_APB1PeriphResetCmd,??RCC_APB1PeriphResetCmd??rT
128 /* Release I2C2 from reset state */
129 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, DISABLE);
\ 0000002C 0021 MOVS R1,#+0
\ 0000002E 5FF48000 MOVS R0,#+4194304
\ 00000032 ........ _BLF RCC_APB1PeriphResetCmd,??RCC_APB1PeriphResetCmd??rT
130 break;
131
132 default:
133 break;
134 }
135 }
\ 00000036 00BD POP {PC} ;; return
\ ??I2C_DeInit_0:
\ 00000038 00540040 DC32 0x40005400
\ 0000003C 00580040 DC32 0x40005800
136
137 /*******************************************************************************
138 * Function Name : I2C_Init
139 * Description : Initializes the I2Cx peripheral according to the specified
140 * parameters in the I2C_InitStruct.
141 * Input : - I2Cx: where x can be 1 or 2 to select the I2C peripheral.
142 * - I2C_InitStruct: pointer to a I2C_InitTypeDef structure that
143 * contains the configuration information for the specified
144 * I2C peripheral.
145 * Output : None
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