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關於DSPIC30F4011的SPI傳輸
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高級會員
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: 2009/9/23 17:36 最後登入時間
: 2012/6/23 14:05
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各位板大 這是小弟所寫的簡單的SPI的MASTER傳輸程式 功能是要讓SLAVE的PORTB之LED可以亮
可是卻無法傳送DATA 我在想是不是我WIRTE的函數設定錯誤 煩請各位板大幫幫忙指點一下
#include <p30F4011.h> #include <timer.h> #include "spi.h"
#define FCY 7372800*2 _FOSC(CSW_FSCM_OFF & XT_PLL8); _FWDT(WDT_OFF); _FBORPOR(PBOR_OFF & MCLR_EN); _FGS(CODE_PROT_OFF); unsigned long int i; void __attribute__((__interrupt__)) _SPI1Interrupt(void) { IFS0bits.SPI1IF = 0; SPI1STATbits.SPIROV = 0; } int main(void) { ADPCFG=0xffff; TRISB=0xfff0; Init_SPI();
IF(SPI1STATbits.SPITBF) { WriteSPI1(0x0066); } void WriteSPI1(unsigned int data) {
data=LATB; } void Init_SPI(void) {
unsigned int config1 , config2 ;
config1 = FRAME_ENABLE_OFF & FRAME_SYNC_OUTPUT & ENABLE_SDO_PIN & SPI_MODE16_OFF & SPI_SMP_OFF & SPI_CKE_ON & SLAVE_SELECT_ENABLE_OFF & CLK_POL_ACTIVE_HIGH & MASTER_ENABLE_ON & SEC_PRESCAL_7_1 & PRI_PRESCAL_64_1;
config2 = SPI_ENABLE & SPI_IDLE_CON & SPI_RX_OVFLOW_CLR
ConfigIntSPI1(SPI_INT_PRI_6 & SPI_INT_EN); OpenSPI1(config1,config2); }
發表於: 2009/11/19 18:24
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