TI中文支持网Part Number:TMS320F28388D
老师您好，我现在通过IPC让CPU2核给CPU1核发送一段数据，CPU1核接收到CPU2核的数据后，通过sci发送到串口助手。现在IPC通信正常，CPU1能够收到CPU2发送的数据，但是CPU1不能往外发送数据，不知道是什么原因，具体代码如下：
//
// Included Files
//
#include "driverlib.h"
#include "device.h"
#include "ipc.h"
//
// Defines
//
#define IPC_CMD_READ_MEM0x1001
#define IPC_CMD_RESP0x2001
#define TEST_PASS0x5555
#define TEST_FAIL0xAAAA
#pragma DATA_SECTION(readData, "MSGRAM_CPU2_TO_CPU1")//
//char sdData[170]={'#',',',1,',',2,',',3,',',4,',',5,',',6,'*'};
//char sdData[170]={'#',11,0,3,5,77,36,152,0};
char sdData[17]={1,2,3,4,5,6,7,8,'\n'};
uint32_t readData[17]={0};
char send_flag=0;
uint32_t pass;//
//
// Main
//
void main(void)
{int i;//// Initialize device clock and peripherals//Device_init();//// Initialize PIE and clear PIE registers. Disables CPU interrupts.//Interrupt_initModule();//// Initialize the PIE vector table with pointers to the shell Interrupt// Service Routines (ISR).//Interrupt_initVectorTable();//// Clear any IPC flags if set already////IPC_clearFlagLtoR(IPC_CPU2_L_CPU1_R, IPC_FLAG_ALL);IPC_clearFlagLtoR(IPC_CPU2_L_CPU1_R, IPC_FLAG_ALL);//////// Enable IPC interrupts//// IPC_registerInterrupt(IPC_CPU2_L_CPU1_R, IPC_INT0, IPC_ISR0);// Synchronize both the cores.//IPC_sync(IPC_CPU2_L_CPU1_R, IPC_FLAG31);for(i=0; i<17; i++){readData[i] = sdData[i];}send_flag=1;while(1){if(send_flag){//// Send a message without message queue// Length of the data to be read is passed as data.//IPC_sendCommand(IPC_CPU2_L_CPU1_R, IPC_FLAG0, IPC_ADDR_CORRECTION_ENABLE,IPC_CMD_READ_MEM, (uint32_t)readData, 17);///数据长度//// Wait for acknowledgment//IPC_waitForAck(IPC_CPU2_L_CPU1_R, IPC_FLAG0);//// Read response//if(IPC_getResponse(IPC_CPU2_L_CPU1_R) == TEST_PASS){pass = 1;}else{pass = 0;}}}
}
//
// Included Files
//
#include "driverlib.h"
#include "device.h"
//
// Defines
//
#define IPC_CMD_READ_MEM0x1001
#define IPC_CMD_RESP0x2001
#define TEST_PASS0x5555
#define TEST_FAIL0xAAAA
//Define variables////
//
char CPU2_flag=0;
char start_flag = 0;
char start_cnt = 0;
uint32_t recbuf[17]={0};
char recbuf1[17]={0};
//
// Function prototypes
//
__interrupt void IPC_ISR0();////
//
// Main
//
void main(void)
{int t = 0;//// Initialize device clock and peripherals//Device_init();//// Boot CPU2 core//
#ifdef _FLASHDevice_bootCPU2(BOOTMODE_BOOT_TO_FLASH_SECTOR0);
#elseDevice_bootCPU2(BOOTMODE_BOOT_TO_M0RAM);
#endif//// Initialize PIE and clear PIE registers. Disables CPU interrupts.//Interrupt_initModule();//// Initialize the PIE vector table with pointers to the shell Interrupt// Service Routines (ISR).//Interrupt_initVectorTable();//// Clear any IPC flags if set already//IPC_clearFlagLtoR(IPC_CPU1_L_CPU2_R, IPC_FLAG_ALL);IPC_registerInterrupt(IPC_CPU1_L_CPU2_R, IPC_INT0, IPC_ISR0);//// Synchronize both the cores.//IPC_sync(IPC_CPU1_L_CPU2_R, IPC_FLAG31);//Configure SCIB&SCIC//SCI_setConfig(SCIB_BASE, DEVICE_LSPCLK_FREQ, 256000, (SCI_CONFIG_WLEN_8 | SCI_CONFIG_STOP_ONE | SCI_CONFIG_PAR_NONE));SCI_resetChannels(SCIB_BASE);SCI_enableModule(SCIB_BASE);SCI_performSoftwareReset(SCIB_BASE);SCI_setConfig(SCIC_BASE, DEVICE_LSPCLK_FREQ, 230400, (SCI_CONFIG_WLEN_8 | SCI_CONFIG_STOP_ONE | SCI_CONFIG_PAR_NONE));SCI_resetChannels(SCIC_BASE);SCI_enableModule(SCIC_BASE);SCI_performSoftwareReset(SCIC_BASE);//// Enable Global Interrupt (INTM) and realtime interrupt (DBGM)//EINT;ERTM;//// Loop forever. Wait for IPC interrupt//while(1){if(CPU2_flag){CPU2_flag = 0;for(t=0;t<17;t++){recbuf1[t]=recbuf[t];recbuf[t]=0;//测试使用}for(t=0;t<17;t++){SCI_writeCharBlockingNonFIFO(SCIB_BASE, recbuf1[t]);//会给CPU2_flag赋1if(recbuf1[t] == '\n'){recbuf1[t] = 0;break;}recbuf1[t] = 0;}}}
}
__interrupt void IPC_ISR0()
{int i=0;int count=0;uint32_t command, addr, data;bool status = false;//// Read the command//IPC_readCommand(IPC_CPU1_L_CPU2_R, IPC_FLAG0, IPC_ADDR_CORRECTION_ENABLE,&command, &addr, &data);if(command == IPC_CMD_READ_MEM){status = true;//// Read and compare data//for(i=0; i<data; i++){recbuf[i]=*((uint32_t *)addr + i);count++;if(count == 9){CPU2_flag=1;count=0;break;}}}//if(*((uint32_t *)addr + i) != i)//status = false;//// Send response to C28x core//if(status){IPC_sendResponse(IPC_CPU1_L_CPU2_R, TEST_PASS);}else{IPC_sendResponse(IPC_CPU1_L_CPU2_R, TEST_FAIL);}//// Acknowledge the flag//IPC_ackFlagRtoL(IPC_CPU1_L_CPU2_R, IPC_FLAG0);//// Acknowledge the PIE interrupt.//Interrupt_clearACKGroup(INTERRUPT_ACK_GROUP1);
}
Ben Qin：
你好，你的GPIO是怎么配置的？
,
yuqian yan：
谢谢老师 我这个问题解决了
,
Ben Qin：
好的，问题解决就好
