typedef struct { uint8_t nss; uint8_t rst; uint8_t dio[3]; //uint8_t spiport; void *spiport; uint32_t freq; uint8_t ch; //use fb & fc to set freq,need to reference RX_Freq table uint8_t fb; uint32_t fc; uint32_t bw; //6:62.5k; 7:125k; 8:250k; 9:500; uint8_t sf; //sf : 7,8,9,10,11,12 uint8_t coderate; //cr:1(4/5); 2(4/6); 3(4/7); 4(4/8) uint8_t crc; //crc : 0:close; 1 :open uint8_t ldr; //ldr : 0:close; 1 :open uint8_t prlen; //default value : 8 uint8_t syncword; //default value : 0x12; uint8_t invertio; uint8_t power; uint8_t scramble; //scramble: 0:close; 1:open char desc[8]; char key[16]; //AES key int uartfd; uint32_t recv_num; }radiodev;
时间: 2024-02-24 07:15:02 浏览: 15
这段代码是定义了一个名为radiodev的结构体,它包含了一些成员变量,包括nss、rst、dio、spiport、freq、ch、fb、fc、bw、sf、coderate、crc、ldr、prlen、syncword、invertio、power、scramble、desc、key和uartfd等。其中,nss、rst、dio、freq、ch、fb、fc、bw、sf、coderate、crc、ldr、prlen、syncword、invertio、power和scramble等成员变量是用来设置射频模块的相关参数的,desc和key是用来描述和加密的,uartfd是用来进行串口通信的。
相关问题
typedef __uint8_t uint8_t ;
引用中提到,typedef __uint8_t uint8_t的定义是为了创建一个新的类型别名。在这个定义中,__uint8_t表示无符号的8位整数,而通过typedef来定义uint8_t则是为了简化使用这个数据类型时的书写。通过使用typedef,我们可以在代码中使用uint8_t来代替__uint8_t,使代码更加简洁易懂。这种定义方式可以应用于其他数据类型,例如uint16_t、int8_t等等。
所以,typedef __uint8_t uint8_t的作用是为无符号的8位整数创建一个新的类型别名。<span class="em">1</span><span class="em">2</span><span class="em">3</span><span class="em">4</span>
typedef u8 uint8_t;
typedef u8 uint8_t是将u8重新定义为uint8_t的别名。根据提供的引用内容,我们可以看到typedef unsigned char uint8_t将unsigned char重新定义为uint8_t。因此,typedef u8 uint8_t的意思是将u8重新定义为uint8_t。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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