ret =devm_gpio_request(&dev->dev, pdata->gpio, "S3C24XX_LED"); if(ret < 0) returnret; /*no point in having a pull-up if we are always driving */ /*无需上拉*/ s3c_gpio_setpull(pdata->gpio, S3C_GPIO_PULL_NONE); /*设置io引脚为输入*/ if(pdata->flags & S3C24XX_LEDF_...
294 /* PWM beeper add by leiyuxing 2016.8.18*/ 295 gpio_request(S3C2410_GPB(0),"beeper");//IO口使用GPB0 296 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); 297 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);//设置为TOUT0 PWM输出模式 298 /* PWM beeper add by le...
s3c的gpio控制接口 经常会遇到这四个,来进行gpio的操作gpio_request(S5PV210_GPD0(2), "GPD0"); //申请gpio,这里会对该gpio进行上锁s3c_gpio_setpull(S5PV210_GPD0(2),S3C_GPIO_PULL_UP); //设置为上升s3c_gpio_cfgpin(S5PV21... 3c 寄存器 ...
s3c_gpio_setpull(gpio_num, S3C_GPIO_PULL_UP);}static void sdhci_s3c_set_ios(struct sdhci_host *host,struct mmc_ios *ios){struct sdhci_s3c *ourhost = to_s3c(host);struct s3c_sdhci_platdata *pdata = ourhost->pdata;int width;
保护操作系统中的敏感数据对于确保计算机的安全至关重要。在 Linux 系统中，你可以使用加密技术来保护根文件系统中的数据。加密根文件系统可以防止未经授权的访问和数据泄露。本文将介绍如何在 Linux 上加密根文件系统，并提供详细的步骤。
(pin, S3C_GPIO_PULL_NONE); + } } - EXPORT_SYMBOL(s3c2410_gpio_pullup); - void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) { - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long offs = S3C2410_GPIO_OFFSET(pin); - unsigned long flags; - unsigned long ...
static void s3c2440_GPIO_init(void) { /*初始化CPU的GPIO口*/ Set_external_irq(IRQ_CAN,EXT_RISING_EDGE,GPIO_PULLUP_DIS); /*分配外部中断6,上升沿有效,下拉有效*/ delay(1000); } /*---init for module driver---*/ int __init sja1000_init(void) { int a,ret; /*映射CAN的SJA1000物理地...
s3c2410_gpio_setpin(L3MODE,1); s3c2410_gpio_setpin(L3CLOCK,1); local_irq_restore(flags); } static void uda1341_l3_data(u8 data) { int i; unsigned long flags; local_irq_save(flags); udelay(1); for (i = 0; i < 8; i++) ...
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s3c2410_gpio_pullup(S3C2410_GPH(7), 1); } 16、移植看门狗 修改配置 Device Drivers ---> [*] Watchdog Timer Support ---> <*> S3C2410 Watchdog 最后:make zImage 最后编译出来的zImage就2.1M左右。 烧写内核,启动成功 不过,此时,显示屏显示还有点问题,出现上下两栏。解决方法如下: ...