• slider image 442
  • slider image 483
  • slider image 484
  • slider image 485
  • slider image 486
  • slider image 487
  • slider image 488
  • slider image 491
:::


Browsing this Thread:   1 Anonymous Users






Re: 急!!請問各位前輩有關PIC16F687 I2C SLAVE的問題,謝謝
#2
版主
版主


查看用戶資訊

發表於: 2008/12/5 11:28
Twitter Facebook Google Plus Linkedin Del.icio.us Digg Reddit Mr. Wong 頂部


急!!請問各位前輩有關PIC16F687 I2C SLAVE的問題,謝謝
#1
新會員
新會員


查看用戶資訊
不好意思想請問一下各位前輩有關pic16f687 slave的問題
因為想用C寫有關slave的程式,想做slave傳資料給master
所以master應該是做讀取的動作
那我想就是每次傳五筆資料給master端
那這五筆資料是發生五次中斷時才將資料傳完
Interrupt1::(ADDR+R)-(DATA1+ACK)
Interrupt2::(ADDR+R)-(DATA2+ACK)
Interrupt3::(ADDR+R)-(DATA3+ACK)
Interrupt4::(ADDR+R)-(DATA4+ACK)
Interrupt5::(ADDR+R)-(DATA5+ACK)
還是說在一次中斷就可以將五筆資料給傳完
Interrupt:(ADDR+R)-(DATA1+ACK)-(DATA2+ACK)-(DATA3+ACK)-(DATA4+ACK)-(DATA5+ACK)

以下是我的程式,有覺得哪裏有問題的話可以麻煩說一下,
因為我沒有寫過I2C的程式,所以有可能問題一大堆,那也請各位前輩不吝指教,謝謝

//--------------------------------------------------
// INTERRUPT SETTING
//--------------------------------------------------
// INTCON=0X00;
// GIE=0;
INTCON=0XC0;
//----------------------------------------------------
// PIE1 AND PIE2 SETTING
//------------------------------------------------------
// PIE1=0X00;
PIE1=0X08; //SSPIE=1
//-----------------------------------------------------
// SSP SETTING
//-----------------------------------------------------
SSPSTAT=0X24;
SSPCON=0X36; //slave mode 7 bit
SSPADD=0X08; //slave addr
/*********************************************/
/* Interrupt Function */
/*********************************************// 此程式是將五筆資料用五個中斷來傳給master
static void interrupt isr (void)
{

if(I2Ccount>5)
{
I2Ccount=1;
}
if(RW==1) //read
{
CKP=0;
if(I2Ccount==1)
{
SSPBUF=0;
}
else if(I2Ccount==2)
{
SSPBUF=20;
}
else if(I2Ccount==3)
{
SSPBUF=3;
}
else if(I2Ccount==4)
{
SSPBUF=0;
}
else if(I2Ccount==5)
{
SSPBUF=0;
}
I2Ccount++;
SSPIF=0;
CKP=1;

}
}


}

發表於: 2008/12/3 22:38
Twitter Facebook Google Plus Linkedin Del.icio.us Digg Reddit Mr. Wong 頂部







You can view topic.
不可以 發起新主題
You cannot reply to posts.
You cannot edit your posts.
You cannot delete your posts.
You cannot add new polls.
You cannot vote in polls.
You cannot attach files to posts.
You cannot post without approval.
You cannot use topic type.
You cannot use HTML syntax.
You cannot use signature.
You cannot create PDF files.
You cannot get print page.

[進階搜尋]


:::

Microchip連結

https://www.facebook.com/microchiptechnologytaiwan/
http://www.microchip.com.tw/modules/tad_uploader/index.php?of_cat_sn=13
https://mu.microchip.com/page/tmu
http://elearning.microchip.com.tw/modules/tad_link/index.php?cate_sn=1
https://page.microchip.com/APAC-PrefCenters-TW.html
http://www.microchip.com/
http://www.microchip.com/treelink
http://www.microchipdirect.com/
http://www.microchip.com.cn/newcommunity/index.php?m=Video&a=index&id=103
http://www.microchip.com.tw/modules/tad_uploader/index.php?of_cat_sn=2
http://www.microchip.com.tw/Data_CD/eLearning/index.html
http://www.microchip.com.tw/RTC/RTC_DVD/
https://www.microchip.com/development-tools/
https://www.youtube.com/user/MicrochipTechnology
[ more... ]

教育訓練中心

!開發工具購買
辦法說明 [業界客戶] [教育單位]
----------------------------------
!校園樣品申請
辦法說明 [教師資格] [學生資格]
----------------------------------