I2C_AcknowledgeConfig(I2C2, DISABLE);//应答位 -- 置0非应答 I2C_GenerateSTOP(I2C2, ENABLE);//I2C停止位 MPU6050_WaitEvent(I2C2, I2C_EVENT_MASTER_BYTE_RECEIVED);//EV7事件 -- RXNE=1,表示数据寄存器非空,表示可以读取DR数据了 Data = I2C_ReceiveData(I2C2);//读取数据 I2C_AcknowledgeConfig(I2C...
{if(length ==0) {// 最后一个数据,禁用应答I2C_AcknowledgeConfig(I2C1, DISABLE); }// 等待数据接收完成while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_RECEIVED)); *pBuffer++ =I2C_ReceiveData(I2C1); }// 发送停止信号I2C_GenerateSTOP(I2C1, ENABLE); }intmain(void){uint8_tsendData[] = ...
I2C_AcknowledgeConfig(I2C1, DISABLE); } // 等待数据接收完成 while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_RECEIVED)); pBuffer++ = I2C_ReceiveData(I2C1); } // 发送停止信号 I2C_GenerateSTOP(I2C1, ENABLE); } int main(void) { uint8_t sendData【】 = {0x01, 0x02, 0x03}; uint...
一、准备工程文件 硬件I2C初始化和寄存器列表相关信息文件 二、建立完成文件之后，开始编写I2C硬件初始化...
What i did see during observation is, that the PN7150 has more data to send in case of error, which seems not to be received by NCI Lib. To hit the error i currently use: nfcDemoApp poll [ 148.777720] pn5xx-read: 00000000: 41 01 01 A..[ 148.785725] i2c i2c-0: <i2c_imx_xfer...
* re-initialization (i.e there is no need to call again I2C_Init() function): * - Enable the acknowledge feature using I2C_AcknowledgeConfig() function * - Enable the dual addressing mode using I2C_DualAddressCmd() function * - Enable the general call using the I2C_GeneralCallCmd() func...
(++) Enable the acknowledge feature using I2C_AcknowledgeConfig() function (#) Enable the NVIC ...
七、I2C_AcknowledgeConfig函数 八、I2C_SendData函数 九、I2C_ReceiveData函数 十、I2C_Send7bitAddress函数 十一、I2C状态监控功能 十二、标志位函数 12.1 I2C_GetFlagStatus函数 12.2 I2C_ClearFlag函数 12.3 I2C_GetITStatus函数 12.4 I2C_ClearITPendingBit函数 ...
I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_BYTE_RECEIVED))/* BUSY, MSL and RXNE flags */ { //防止超时 count++; if(count == I2CTimeOut) { I2C_GenerateSTOP(I2C1,ENABLE); return -5; //没有产生EV7事件,导致超时返回 -5 } } //8.发送非应答信号 I2C_AcknowledgeConfig(I2C1,DISABLE); //9....
in Chipscope. I believe that I sent the right slave address but the sensor does not acknowledge...