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Convert original source to system workbench

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Create readme
Started commenting the files in english
NO Optimisations yet, just trying to get it all working over as is first
Using newer STM StdPeriph libs (i think they are newer?)
This commit is contained in:
Ben V. Brown
2016-09-11 21:42:42 +10:00
parent ed72503be9
commit 871e8e35c9
120 changed files with 50778 additions and 0 deletions
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workspace/ts100/src/I2C.c Normal file
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/********************* (C) COPYRIGHT 2015 e-Design Co.,Ltd. **********************
File Name : I2C.c
Version : S100 APP Ver 2.11
Description:
Author : Celery
Data: 2015/07/20
History:
2015/07/07 ͳһ<CDB3><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
2015/07/21 I2C_DELAYTIME = 2;
*******************************************************************************/
#include "stm32f10x.h"
#include "I2C.h"
#include "Bios.h"
#include "Oled.h"
#include "S100V0_1.h"
// --------- <20><><EFBFBD><EFBFBD>I2C<32>ӿ<EFBFBD><D3BF><EFBFBD>ض<EFBFBD><D8B6><EFBFBD>-------- //
#define SDA GPIO_Pin_7
#define SCL GPIO_Pin_6
#define HIGH 1
#define LOW 0
#define SDA_VAL GPIO_ReadInputDataBit(GPIOB, SDA)
#define SCL_VAL GPIO_ReadInputDataBit(GPIOB, SCL)
#define I2C_MORE 1
#define I2C_LAST 0
#define I2C_TIMEOUT 255
#define FAILURE 0
#define SUCCEED 1
#define I2C_DELAYTIME 2
static void Sim_I2C_Set(u8 pin, u8 status);
static void Sim_I2C_Stop(void);
static void Sim_I2C_Start(void);
static u8 Sim_I2C_RD_Byte(u8 more);
static u8 Sim_I2C_WR_Byte(u8 data);
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Delay_uS
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD>ʱ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:us
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
void Delay_uS(u32 us)
{
while(us) us--;
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_Configuration
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD>I2C
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
void I2C_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
I2C_InitTypeDef I2C_InitStructure;
GPIO_Init_OLED();
/* PB6,7 SCL and SDA */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* I2C1 configuration ------------------------------------------------------*/
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = DEVICEADDR_OLED;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = 100000;//100k
I2C_Init(I2C1, &I2C_InitStructure);
I2C_Cmd(I2C1, ENABLE);
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_Configuration
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD>I2C
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
void Sim_I2C_Set(u8 pin, u8 status)
{
if(status == HIGH) GPIO_SetBits (GPIOB, pin);
if(status == LOW) GPIO_ResetBits(GPIOB, pin);
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_Start
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><>ʼ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
void Sim_I2C_Start(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); // I2C_PIN_EN();
GPIO_InitStructure.GPIO_Pin = SCL | SDA;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init (GPIOB, &GPIO_InitStructure);
Sim_I2C_Set(SCL, LOW); // SCL low
Sim_I2C_Set(SDA, HIGH); // SDA float, set as output high
Sim_I2C_Set(SCL, HIGH); // SCL high
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SDA, LOW); // SDA high->low while sclk high, S state occur...
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, LOW); // SCL low
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_Stop
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ֹͣ
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:NULL
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
void Sim_I2C_Stop(void)
{
Sim_I2C_Set(SCL, LOW); // SCL low
Sim_I2C_Set(SDA, LOW); // SDA low
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, HIGH); // SCL high
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SDA, HIGH); // SDA low->high while sclk high, P state occur
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, LOW); // SCL low
Delay_uS(I2C_DELAYTIME);
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_WR_Byte
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><>I2Cд<43><D0B4>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:dataҪд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
u8 Sim_I2C_WR_Byte(u8 data)
{
u8 i = 8;
while(i--) { //send out a bit by sda line.
Sim_I2C_Set(SCL, LOW); // sclk low
if(data & 0x80) Sim_I2C_Set(SDA, HIGH); // send bit is 1
else Sim_I2C_Set(SDA, LOW); // send bit is 0
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, HIGH); // SCL high
Delay_uS(I2C_DELAYTIME);
data <<=1; // left shift 1 bit, MSB send first.
}
Sim_I2C_Set(SCL, LOW); // SCL low
Sim_I2C_Set(SDA, HIGH); // SDA set as input
for(i=I2C_TIMEOUT; i!=0; i--) { // wait for sda low to receive ack
Delay_uS(I2C_DELAYTIME);
if (!SDA_VAL) {
Sim_I2C_Set(SCL, HIGH); // SCL high
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, LOW); // SCL_LOW();
Delay_uS(I2C_DELAYTIME);
return SUCCEED;
}
}
return FAILURE;
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: Sim_I2C_RD_Byte
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><>I2C<32><43><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:more
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:<3A><><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
*******************************************************************************/
u8 Sim_I2C_RD_Byte(u8 more)
{
u8 i = 8, byte = 0;
Sim_I2C_Set(SDA, HIGH); // SDA set as input
while(i--) {
Sim_I2C_Set(SCL, LOW); // SCL low
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, HIGH); // SCL high
Delay_uS(I2C_DELAYTIME);
byte <<=1; //recv a bit
if (SDA_VAL) byte |= 0x01;
}
Sim_I2C_Set(SCL, LOW);
if(!more) Sim_I2C_Set(SDA, HIGH); //last byte, send nack.
else Sim_I2C_Set(SDA, LOW); //send ack
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, HIGH); // SCL_HIGH();
Delay_uS(I2C_DELAYTIME);
Sim_I2C_Set(SCL, LOW);
return byte;
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_PageWrite
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><> <20><>ַ deviceaddr д<><D0B4>numbyte<74><65><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD>ݣ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>pbuf
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:pbuf д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>numbyte Ϊд<CEAA><D0B4><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD>deviceaddrΪд<CEAA><D0B4>ĵ<EFBFBD>ַ
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:NULL
*******************************************************************************/
void I2C_PageWrite(u8* pbuf, u8 numbyte,u8 deviceaddr )
{
Sim_I2C_Start();
Sim_I2C_WR_Byte(deviceaddr<<1);
while(numbyte--) Sim_I2C_WR_Byte(*pbuf++);
Sim_I2C_Stop();
}
/*******************************************************************************
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: I2C_PageRead
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A><>I2C<32><43><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: pbuf <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>ŵ<EFBFBD>ַ numbyteΪ<65><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>
deviceaddr<64>豸<EFBFBD><E8B1B8>ַ readaddr<64><72>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ
<EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>:<3A><><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
*******************************************************************************/
void I2C_PageRead(u8* pbuf, u8 numbyte,u8 deviceaddr, u8 readaddr)
{
Sim_I2C_Start();
Sim_I2C_WR_Byte(deviceaddr<<1);
Sim_I2C_WR_Byte(readaddr);
Sim_I2C_Start();
Sim_I2C_WR_Byte((deviceaddr<<1)|1);
while(numbyte--) {
if(numbyte) *pbuf++ = Sim_I2C_RD_Byte(I2C_MORE);
else *pbuf++ = Sim_I2C_RD_Byte(I2C_LAST);
}
Sim_I2C_Stop();
}
/******************************** END OF FILE *********************************/