ENABLE);67//此处配置好GPIO_Mode后给void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)调用配置CRL/CRH寄存器8GPIO_InitStructrue.GPIO_Mode =GPIO_Mode_Out_PP;9//此处配置好GPIO_Speed后给void GPIO_Init(GPIO_TypeDef*
*/void gpio_init(gpio_typedef* gpiox, gpio_inittypedef* gpio_initstruct){ // ... 详细内容省略} 首先传入的第一个参数,勿用多说,即是配置哪一组gpio口。http://ecdz.51dzw.com 详细说说第二个参数,其主要形式表现为: typedef struct{ uint16_t gpio_pin; gpiospeed_typedef gpio_speed; gpiomode_...
// Add missing LPC1114 register typedef struct { uint32_t flashtim; } tflashtim; #define LPC_FLASHTIM ((tflashtim *) 0x4003C010) main.c LPC_FLASHTIM->flashtim &= 0xFFFFFFFC; // Set Flash memory access to <20 MHz (0 Wait states) 2) Try placing your procedure into RAM. Th...
各位STM32高手,我想问一下GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;什么意思?谢谢 设置端口的翻转速度级别为50MHz,这种级别时端口能输出频率很高的信号,但要求外设的容性负载很小。另外还有2MHz和10MHz级别的,能驱动容性负载较大的外设。
经过上面的代码就已经可以获得24位数据,时钟也会连续,不会出现上面两张图片的问题,后面贴上DMA的代码。 五、SPI DMA配置 voidMYDMA_TX_Config(DMA_Channel_TypeDef* DMA_CHx,uint32_tcpar,uint32_tcmar,uint16_tcndtr) { DMA_InitTypeDef DMA_InitStructure; ...
// Add missing LPC1114 register typedef struct { uint32_t flashtim; } tflashtim; #define LPC_FLASHTIM ((tflashtim *) 0x4003C010) main.c LPC_FLASHTIM->flashtim &= 0xFFFFFFFC; // Set Flash memory access to <20 MHz (0 Wait states) 2) Try placing your procedure into RAM. Th...
// Add missing LPC1114 register typedef struct { uint32_t flashtim; } tflashtim; #define LPC_FLASHTIM ((tflashtim *) 0x4003C010) main.c LPC_FLASHTIM->flashtim &= 0xFFFFFFFC; // Set Flash memory access to <20 MHz (0 Wait states) 2) Try placing your procedure into RAM. Th...