herofl的专栏

轻松掌握SQL(第五版)[王崧 等][程序源代码]，一天花一个小时，多家联系，必然能很好的掌握SQL .

很好的资源，博创公司s3c2410配套的usb摄像头驱动，比较难找。从公司技术支持那得到的。

Linux下的USB摄像头驱动，编译到内核或动态编译可以使你的嵌入式开发板支持实时视频采集。

arm-bootloader全程详解，提供详实的arm-bootloader全程详解，让你更好的理解系统启动过程。

主流ARM的实例代码 void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function) { unsigned long base = S3C2410_GPIO_BASE(pin); unsigned long mask; unsigned long con; unsigned long flags; if(pin<S3C2410_GPIO_BANKB) mask=1<<S3C2410_GPIO_OFFSET(pin); else mask =3<< (S3C2410_GPIO_OFFSET(pin)*2); local_irq_save(flags); con = __raw_readl(base + 0x00); con &= ~mask; con |= function; __raw_writel(con, base + 0x00); local_irq_restore(flags); } void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) { unsigned long base = S3C2410_GPIO_BASE(pin); unsigned long offs = S3C2410_GPIO_OFFSET(pin); unsigned long flags; unsigned long dat; local_irq_save(flags); dat = __raw_readl(base + 0x04); dat &= ~(1 << offs); dat |= to << offs; __raw_writel(dat, base + 0x04); local_irq_restore(flags); }

minigui1.3.3 void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function) { unsigned long base = S3C2410_GPIO_BASE(pin); unsigned long mask; unsigned long con; unsigned long flags; if(pin<S3C2410_GPIO_BANKB) mask=1<<S3C2410_GPIO_OFFSET(pin); else mask =3<< (S3C2410_GPIO_OFFSET(pin)*2); local_irq_save(flags); con = __raw_readl(base + 0x00); con &= ~mask; con |= function; __raw_writel(con, base + 0x00); local_irq_restore(flags); } void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) { unsigned long base = S3C2410_GPIO_BASE(pin); unsigned long offs = S3C2410_GPIO_OFFSET(pin); unsigned long flags; unsigned long dat; local_irq_save(flags); dat = __raw_readl(base + 0x04); dat &= ~(1 << offs); dat |= to << offs; __raw_writel(dat, base + 0x04); local_irq_restore(flags); }