全部博文(198)
发布时间:2018-10-12 15:37:48
学习STM32过程中,经常打交道的莫过于串口,之前编程中熟悉的莫过于printf了,下面就给出了用printf打印到串口的方案,仅供参考。......【阅读全文】
发布时间:2018-09-26 15:26:43
Ubuntu14.04_64bitfsl-imx-x11.tar.gz为交叉编译工具,需要解压在/opt/目录下,然后进入/opt/fsl-imx-x11/4.1.15-2.1.0目录配置环境变量serana@ubuntu:/opt/fsl-imx-x11/4.1.15-2.1.0$ source environment-setup-cortexa9hf-neon-poky-linux-gnueabi版本:gcc version 5.3.0 (GCC) 命令:/opt/fsl-imx-x11/4.1.1.........【阅读全文】
发布时间:2018-09-26 15:24:52
arch/arm/boot/dts/imx6qdl-sabresd.dtsi&can1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flexcan1>; status = "okay";};&can2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flexcan2>; status = "okay";};&iomuxc { pinctrl_flex.........【阅读全文】
发布时间:2018-09-26 15:23:50
用非高速卡(不带HC字样的),使用是完全没问题的,最高速度有16M/s。但是高速卡(有high capacity)的就出现如下错误:[ 193.887832] mmc1: Timeout waiting for hardware interrupt.[ 193.894750] mmcblk1: error -110 sending stop command, original cmd response 0x2000900, card status 0x2400900[&.........【阅读全文】
发布时间:2018-09-26 15:21:31
arch/arm/boot/dts/imx6qdl-sabresd.dtsi&uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; status = "okay";};&uart2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; status = "okay";};&uart4 { pinctrl-names = "default";.........【阅读全文】