99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
#include "uart_lcd.h"
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#include "usart.h"
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#include "lwip.h"
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extern ip4_addr_t ipaddr;
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uart_lcd_t uart_lcd_state = {0};
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uint8_t uart_lcd_data[24] = {0xEE, 0xB1, 0x12, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x00, 0x01, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0xFF, 0xFC, 0xFF, 0xFF};
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static void uart_lcd_current_channel1(void);
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static void uart_lcd_current_channel2(void);
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static void uart_lcd_current_channel1(void)
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{
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// uint8_t uart_lcd_data[24] = {0xEE, 0xB1, 0x12, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x00, 0x01, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0xFF, 0xFC, 0xFF, 0xFF};
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dma_usart_send(&huart4, uart_lcd_data, ARRAY_LEN(uart_lcd_data));
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}
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uint8_t uart_lcd_data2[24] = {0xEE, 0xB1, 0x12, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x03, 0x00, 0x01, 0x01, 0xFF, 0xFC, 0xFF, 0xFF};
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static void uart_lcd_current_channel2(void)
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{
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dma_usart_send(&huart4, uart_lcd_data2, ARRAY_LEN(uart_lcd_data2));
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}
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/**
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* @brief 通过UART向LCD屏幕绘制IP地址
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*
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* 此函数通过UART接口向LCD屏幕发送IP地址，以便在屏幕上显示。
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*
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* @note 此函数假定已经正确初始化了UART接口，并且LCD屏幕已经正确连接到UART接口。
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*/
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void uart_lcd_draw_ipaddr(void)
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{
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uint8_t ip_addr[24] = {0};
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// 串口发送的固定值为串口屏指令指定的帧头帧尾
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ip_addr[0] = 0xEE; // 帧头
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ip_addr[1] = 0xB1;
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ip_addr[2] = 0x10; // 命令码，此处为文本控件文本设置指令
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ip_addr[3] = 0x00; // 画面ID高位地址
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ip_addr[4] = 0x00; // 画面ID低位地址
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ip_addr[5] = 0x00; // 控件ID高位地址
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ip_addr[6] = 0x03; // 控件ID低位地址
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char *ip_addr_str = ipaddr_ntoa(&ipaddr);
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MEMCPY(ip_addr + 7, (uint8_t *)ip_addr_str, strlen(ip_addr_str));
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ip_addr[7 + strlen(ip_addr_str)] = 0xFF; // 帧尾，下列都为帧尾
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ip_addr[8 + strlen(ip_addr_str)] = 0xFC;
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ip_addr[9 + strlen(ip_addr_str)] = 0xFF;
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ip_addr[10 + strlen(ip_addr_str)] = 0xFF;
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dma_usart_send(&huart4, ip_addr, ARRAY_LEN(ip_addr));
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}
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void uart_lcd_init(void)
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{
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uart_lcd_state.page_num = 0;
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uart_lcd_state.key_state[0] = 0;
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uart_lcd_state.key_state[1] = 1;
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uart_lcd_state.key_state[2] = 0;
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uart_lcd_state.current_value[0] = 0;
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uart_lcd_state.current_value[1] = 0;
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uart_lcd_channel_switch(uart_lcd_state.key_state[0]);
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HAL_Delay(10);
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uart_lcd_current_out(0);
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HAL_Delay(10);
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uart_lcd_current_out(1);
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}
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uint8_t lcd_channel[15] = {0xEE, 0xB1, 0x10, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFC, 0xFF, 0xFF};
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void uart_lcd_current_out(uint8_t channel)
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{
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if (channel == 0)
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{
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lcd_channel[6] = 0x04;
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lcd_channel[10] = uart_lcd_state.current_value[0];
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dma_usart_send(&huart4, lcd_channel, ARRAY_LEN(lcd_channel));
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}
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else if (channel == 1)
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{
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lcd_channel[6] = 0x05;
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lcd_channel[10] = uart_lcd_state.current_value[1];
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dma_usart_send(&huart4, lcd_channel, ARRAY_LEN(lcd_channel));
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}
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}
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void uart_lcd_channel_switch(uint8_t channel)
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{
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switch (channel)
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{
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case 0:
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uart_lcd_current_channel1();
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break;
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case 1:
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uart_lcd_current_channel2();
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break;
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default:
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uart_lcd_current_channel1();
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break;
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}
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}
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