[b][url=https://e2echina.ti.com/question_answer/dsp_arm/sitara_arm/f/25/t/122028][font=微软雅黑][size=4]Add Uboot logo display & Add Uboot custom commands to control LCD[/size][/font][/url][/b][font=微软雅黑]
Open the Keil program in the 02_GPIO_Key_Polling_mode folder in the Demo packageWe add the following content to the original program
int main(void)
{uint8_t count;systick_config();/* enable the LED2 G
[TOC] ## What is OSAL? Today, a classmate suddenly asked me if I had ever worked on OSAL. I was confused, so I found the answer on the search engine and found that it is a very practical thing. OSAL (
As shown in the figure, there is usually a 5V voltage input at the arrow position, and the test pin 1 position outputs a low level. Now the problem is that the input at the arrow position is turned of