1 第一步：正确安装Keil软件，可以到ARM官网下载。安装后可以看到如下图标：2 其次需要安装nRF51 SDK,在<Keil>\ARM\Device\Nordic，在该路径下可以看到如下文件夹，分别是2块开发板对应资料：3 选择自己所用的开发板的编号，比如小编的是nrf51822，进入文件夹后可以看到如下信息：4 其中Board文件夹存储的是电路板...
看main.c之前我先看了这两个,例程里应用了一个简单不精确的延时函数,用循环内延时微秒函数实现延时毫秒,挺有意思的…… void nrf_delay_ms(uint32_tvolatile number_of_ms) { while(number_of_ms != 0) { number_of_ms--; nrf_delay_us(999); } } void nrf_delay_ms(uint32_t volatile number_o...
//CE拉高后，nRF自动延迟130us后，进入接收模式// delay_us(150);
nrf_delay_us(30); spi_write(&cmd, sizeof(cmd)); } Among the underlying driving functions of OLED, the most important things are command writing function and data writing function , as follows: Command writing function: void Single_Command(unsigned char cmd) ...
false; //写入数据 err_code = nrf_drv_twi_tx(&m_twi, slave_address, data_buf, len, false); //等待TWI总线传输完成 timeOut = 0; while (I2C_xfer_done == false) { if (timeOut > 50) { return false; } else { timeOut++; } nrf_delay_us(100); } if (NRF_SUCCESS != ...
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{caseTIMER0:p_timer=NRF_TIMER0;break;caseTIMER1:p_timer=NRF_TIMER1;break;caseTIMER2:p_timer=NRF_TIMER2;break;default:p_timer=0;break;}returnp_timer;}...voidnrf_timer_delay_ms(timer_ttimer,uint_fast16_tvolatilenumber_of_ms){volatileNRF_TIMER_Type*p_timer=timer_init(timer);if(p_...
delay(1000); //time must be 》=650us } //--- void main() { ini_system(); while(1) { setmode(); Txpacket(); } } 接收程序: /***接收时用数码管显示接收到的数据***/ #include 《reg52.h》 #include 《intrins.h》 #define uchar unsigned char #define uint ...
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