ZZY
d939449267
- 新增 button4_4 按钮输入模块，实现 4x4 按钮矩阵的扫描和处理 - 添加 ge_timer 模块，提供基本的定时功能 - 优化 ge_render 模块，调整屏幕尺寸的类型 - 修复 init_lcd 函数的定义，使其返回类型为 void
116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
// #include "stm32f10x.h"
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// #include "led.h"
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// #include "usart.h"
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// #include "delay.h"
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// #include "button4_4.h"
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#define __GE_INPUT_IMPLIMEMT__
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#include "ge_mem_input.h"
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struct IO_PORT
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{
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GPIO_TypeDef *GPIO_x;
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unsigned short GPIO_pin;
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};
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static struct IO_PORT KEY_OUT[4] = {
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{KEY_H1_GPIO_Port, KEY_H1_Pin},
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{KEY_H2_GPIO_Port, KEY_H2_Pin},
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{KEY_H3_GPIO_Port, KEY_H3_Pin},
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{KEY_H4_GPIO_Port, KEY_H4_Pin}
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};
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static struct IO_PORT KEY_IN[4] = {
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{KEY_L1_GPIO_Port, KEY_L1_Pin},
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{KEY_L2_GPIO_Port, KEY_L2_Pin},
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{KEY_L3_GPIO_Port, KEY_L3_Pin},
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{KEY_L4_GPIO_Port, KEY_L4_Pin}
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};
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int key[4][4];
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/*
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void Button4_4_Init(void) {
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GPIO_InitTypeDef GPIO_InitStructure;
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unsigned char i;
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RCC_APB2PeriphClockCmd(KEY_GPIO_CLK, ENABLE);
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for(i = 0; i < 4; i++) {
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GPIO_InitStructure.GPIO_Pin = KEY_OUT[i].GPIO_pin;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(KEY_OUT[i].GPIO_x, &GPIO_InitStructure);
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}
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for(i = 0; i < 4; i++) {
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GPIO_InitStructure.GPIO_Pin = KEY_IN[i].GPIO_pin;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(KEY_IN[i].GPIO_x, &GPIO_InitStructure);
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}
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for(i = 0; i < 4; i++) {
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GPIO_SetBits(KEY_OUT[i].GPIO_x, KEY_OUT[i].GPIO_pin);
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}
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for(i = 0; i < 4; i++) {
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key[i][0] = 0;
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key[i][1] = 0;
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key[i][2] = 0;
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key[i][3] = 0;
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}
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}
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*/
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//uint16_t key;
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int Button4_4_Scan(void) {
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unsigned char i, j;
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for(i = 0; i < 4; i++) {
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delay_ms(10);
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GPIO_ResetBits(KEY_OUT[i].GPIO_x, KEY_OUT[i].GPIO_pin);
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for(j = 0; j < 4; j++) {
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delay_ms(10);
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if(GPIO_ReadInputDataBit(KEY_IN[j].GPIO_x, KEY_IN[j].GPIO_pin) == 0){
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key[i][j] = 1;
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} else {
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key[i][j] = 0;
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}
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}
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GPIO_SetBits(KEY_OUT[i].GPIO_x, KEY_OUT[i].GPIO_pin);
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}
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if(key[0][0] == 1) return 16;
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if(key[0][1] == 1) return 15;
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if(key[0][2] == 1) return 14;
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if(key[0][3] == 1) return 13;
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if(key[1][0] == 1) return 12;
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if(key[1][1] == 1) return 11;
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if(key[1][2] == 1) return 10;
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if(key[1][3] == 1) return 9;
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if(key[2][0] == 1) return 8;
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if(key[2][1] == 1) return 7;
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if(key[2][2] == 1) return 6;
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if(key[2][3] == 1) return 5;
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if(key[3][0] == 1) return 4;
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if(key[3][1] == 1) return 3;
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if(key[3][2] == 1) return 2;
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if(key[3][3] == 1) return 1;
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return 0;
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}
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