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STM32CubeMX+w25qxx(2024-08-13)
(uint8_t* pBuffer, uint32_t ReadAddr, uint16_t NumByteToRead);
#endif
2、w25qxx.c
#include 'w25qxx.h......
STM32库函数SystemInit()详解(2024-07-23)
= (uint32_t)0xF8FF0000;
#else
RCC->CFGR = (uint32_t)0xF0FF0000;
#endif /* STM32F10X_CL */
这个......
Linux3.4.2移植CS8900网卡驱动到优龙FS2410开发板(2024-07-12)
器的值 */
1887 #endif
1888 #if DEBUGGING
1889 net_debug = debug;
1890 #else
1891 debug = 0;
1892 #endif......
STM32串口接收不定长数据：采用标志位(比如0X0D,0X0A)结束法(2024-06-14)
：#ifdef 标示符
程序段1
#else
程序段2
#endif
表示：如果标示符已经被#define命令定义过，则编译程序段1，否则编译程序段2。期中else部分可以没有。
2：#if 表达......
STM32时钟系统详解(2024-01-29)
;
#else
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000;
#endif......
基于51单片机的步进电机控制性系统(2023-02-09)
== get_data_1_count(keyValueTemp) )
{
return keyValueTemp;
}
else
{
return 0;
}
#endif
}
else......
U-Boot-2011.03移植nandflash到mini2440(2024-06-24)
= CONFIG_S3C24XX_TWRPH1;#else tacls = 4; twrph0 = 8; twrph1 = 8;#endif......
u-boot-2009.08在mini2440上的移植 增加nor flash功能(2024-07-01)
+ (0x000002AAA << 1)))#else#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE......
STM32入门-STM32时钟系统，时钟初始化配置函数(2022-12-27)
;
#else
RCC->CFGR &= (uint32_t)0xF0FF0000;
#endif / STM32F10X_CL /
/ Reset HSEON, CSSON......
适合单片机裸机的开源软件框架:Zorb(2024-02-22)
);
} while(0)
#else
#define ZF_DEBUG(rank, x...)
#endif /* ZF_DEBUG_ON......
uboot在s3c2440上的移植（5）(2024-07-22)
;
nand->rw_oob = 0;
}
#endif
else if (!strcmp(s, ".oob......
linux驱动程序之电源管理之标准linux休眠和唤醒机制分析（二）(2023-06-19)
]);
}
#endif
#ifdef CONFIG_HIBERNATION // undef, don't support STD mode
s += sprintf......
STM32 bool(2024-08-13)
' and 'false' and keywords */#define bool _Bool#define true 1#define false 0#else#ifdef __GNUC__......
VPLC系列机器视觉运动控制一体机快速入门（四）(2024-09-29)
) = ZV_LENTOIMG(0, TABLE(34))
d_roi_rect2(4) = TABLE(35)
SET_REDRAW
endif
else
is_redraw = 0
if mouse_scan(21......
u-boot移植（十）---代码修改---支持nor flash(2023-07-03)
字符串 Flash:
8
9 if (board_flash_wp_on()) //此为空函数，返回0值，直接执行 else后面的语句
10 printf......
STM32中重要的C语言知识点总结(2023-10-24)
用一般使用格式如下
#if 整型常量表达式1
程序段1
#elif 整型常量表达式2
程序段2
#else
程序段3
#endif
执行起来就是，如果整形常量表达式为真，则执行程序段1，以此类推，最后#endif是......
简易数字电压表+ADC0809+总线方式实现一路数据转换(2024-07-26)
] //地址定义语句
sbit EOC = P3^5;
unsigned char ADC0809_Conv();
#endif
#include "ADC0809.h......
u-boot之怎么实现分区(2024-08-29)
省略******/
#else /* ENV_IS_EMBEDDED */
gd->env_addr = (ulong)&default_environment[0];//取得......
u-boot-2009.08在mini2440上的移植 增加DM9000网卡驱动(2024-07-01)
(offset);
} else if (strcmp(argv[0],"loady")==0) {#else if (strcmp(argv[0],"loady")==0) {#endif......
数码管动态显示（定时器中断方式）+小数点+高位为0不显示(2024-07-26)
四位十进制数
{
if(adc_result>=1000) //千位
{
LedBuf[0]= adc_result/1000;
}
else......
51单片机IO口模拟串口通讯的设计(2023-10-12)
;
while（！F_TM）;
BT_SND=1;
F_TM=0;
while（！F_TM）;
TIMER0_DISABLE; //停止timer
#else
unsigned char ii;
ii=0......
STM32H743的FDCAN发送线程卡死的处理方法(2024-09-04)
- >buffer[no].result = RT_CAN_SND_RESULT_OK;
}
else
{
tx_fifo- >buffer......
Linux驱动之内核加载模块过程分析(2024-08-20)
*unused_gpl_syms;
const unsigned long *unused_gpl_crcs;
#endif
#ifdef CONFIG_MODULE_SIG
/* Signature......
Tiny6410移植tslib(2024-09-20)
43 return 0;
44 timer_err:
45 free_irq(IRQ_TIMER3, &timer_for_1wire_irq);
46
47 #else......
u-boot-2011.06在基于s3c2440开发板的移植之支持NandFlash读写(2024-06-07)
= CONFIG_S3C24XX_TWRPH1;
#else
tacls = 2;
twrph0 = 3;
twrph1 = 1;
#endif
cfg......
从5方面描述STM32F407+ESP8266连接机智云过程(2024-06-04)
*gprsInfoData = (gprsInfo_t *)gizdata;
#else
moduleInfo_t *ptModuleInfo = (moduleInfo_t *)gizdata......
移植u-boot-1.1.6之mtdparts分区(2023-06-13)
}
7 else
8 {
9 mtdparts_init();
10 }
11 #endif
以上两种办法都是可以的。
......
移植u-boot-2012.04.01到JZ2440(2024-06-17)
is 120 MHz ! */ ldr r0, =CLKDIVN mov r1, #3 str r1, [r0] #else /* 2. 设置......
如何在STM32中要实现数据通讯(2023-08-03)
状态标记
//如果想串口中断接收，请不要注释以下宏定义
void uart_init(u32 bound);
#endif
对应的usart.c代码
#include "sys.h"
#include......
深度剖析STM32时钟系统(2024-07-23)
;= (uint32_t)0xF8FF0000;
#else
RCC->CFGR &= (uint32_t)0xF0FF0000;
#endif /* STM32F10X_CL */
/* Reset......
步进电机控制+普中51单片机+普中官方(2024-08-08)
{
dir=!dir;
}
else if(key_num==2) //加速，延时speed越小，速度......
U-boot在S3C2440上的移植详解（五）(2023-01-11)
;rw_oob = 0; }#endif
else if (!strcmp(s, ".oob")) { /* out-of-band data......
u-boot-2009.08在mini2440上的移植 增加USB功能(2024-07-01)
*/ misc_init_r ();#endif extern void port_init(void); port_init(); /* enable exceptions......
S3C6410之uboot回炉再造（3）lowlevle_init.S(2024-09-03)
ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART1_OFFSET)
10 #else
11 #define ELFIN_UART_CONSOLE_BASE......
LinkedInSTM32F4时钟系统初始化的程序代码分享(2023-10-09)
）|（3UL 《《 11*2））;
#endif
RCC-》CR |= （uint32_t）0x00000001;
RCC-》CFGR = 0x00000000;
RCC-》CR &......
基于LinkedInSTM32F4时钟系统初始化设置(2024-05-13)
））;
#endif
RCC-》CR |= （uint32_t）0x00000001;
RCC-》CFGR = 0x00000000;
RCC-》CR &= （uint32_t）0xFEF6FFFF......
伺服焊钳机器人做EMZ的程序分析(2024-05-13)
= $softplcint[DiNum] - 6
else
VwEmzMessage(6,#NotifyMsg) 没有选择会发出信息提示
halt
endif
until EaxNum>0 带1把焊......
u-boot-2011.06在基于s3c2440开发板的移植之nandflash启动(2024-06-07)
CONFIG_SYS_TEXT_BASE =$(RAM_TEXT)
else
CONFIG_SYS_TEXT_BASE = 0
endif
4、nand_spl/board/Samsung/
在该......
STM32G0开发笔记：EEPROM M24C02的使用方法(2023-08-23)
}else{
21 log("ERR:EEPROM write failed.
");
22 }
23
24 #endif
25
26 log......
u-boot-2014.10移植（8）重定位，支持NAND启动(2023-06-09)
)
{
*p = val;
return 0;
}
else
{
// nor
return 1......
51学习笔记之以硬件spi与max6675通信实现K型热电偶测温(2024-07-24)
SPI data from slave and send it to PC)
// SendUart(SPISwap(RecvUart()));
// #else......
USART1_IRQHandler 函数的理解(2024-08-12)
#if SYSTEM_SUPPORT_OS //如果 SYSTEM_SUPPORT_OS 为真，则需要支持 OS
5 OSIntEnter();
6 #endif
7......
s3c2440调试nandflash裸机程序遇到的问题(2024-08-01)
= s3c2440_write_cmd;
#ifdef LARGER_NAND_PAGE
nand_chip.write_addr = s3c2440_write_addr_lp;
#else......
S3C2440 Linux 触摸屏驱动(2024-06-14)
printk
#else
#define DPRINTK
#endif
typedef struct {
unsigned short pressure......
u-boot-2009.08在mini2440上的移植 建立mini2440工程环境(2024-07-01)
, =INTSUBMSK str r1, [r0]# endif
# if defined(CONFIG_S3C2440)//添加s3c2440的中断禁止部分 ldr r1, =0x7fff......
ADC0834模块的C51源程序(2023-03-28)
;
}
SET_ADC083X_CLK;
CLR_ADC083X_CLK;
chanel 《《=1;
}
#else //缺省时为ADC0831
SET_ADC083X_CLK;
CLR_ADC083X_CLK;
#endif......
STM32中重要的C语言知识点整理(2023-10-20)
for 8139_RXBUF_IDX"
下面编译看一看结果：
2、#if、#elif、#else、#endif、#ifdef、#ifndef
（1......
u-boot-2011.03在mini2440/micro2440上的移植 在RAM中运行(2024-06-27)
str r1, [r0]# endif
# if defined(CONFIG_S3C2440)# define LOCKTIME 0x4C000000# define MPLLCON......
RS485网络协议的测试程序(2022-12-27)
("Waiting........");
#else
LcdWrite("Sending message");
#endif
// Just setup the network address......
S3C2440 GPIO （使用miniARM 2440）(2024-06-11)
LedControl(U8 led,U8 flag );
#endif
#include "led.h"
void delay(U32 tt......
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