基于STM32蓝牙打印机源程序

ID:387744 · 发表于 2019-7-8 16:34

#include "motor.h"
#include "delay.h"
#include "timer.h"
#include "printer.h"
#include "led.h"
#include "usart.h"
#include "uart_font.h"
#include "flash.h"
#include "dma.h"
#include <string.h>
u8 const test_str[]="\r\n\

void updata_font()//更新字库
{
      u8 i;
      u8 group = 0;
      u32 write_addr = 0;

      LED1 = 0;
      uart1_printf("flash init ok!\n");

//       spi_flah_erase_chip();
      for (i=0; i<148; i++)
      {
            spi_flash_erase_sector(i);
      }

      uart1_printf("flash erase ok!\n");

      while (1)
      {
               if (font_buffer[group].uart_rev_len)
               {
                     spi_flash_write_nocheck((u8*)font_buffer[group].data_buf, write_addr,
                                                                              font_buffer[group].uart_rev_len);

//                      uart1_printf("pg_addr:%-6d ok\n",write_addr);

                     write_addr += font_buffer[group].uart_rev_len;

                     font_buffer[group].uart_rev_len = 0;

                     group = !group;
               }

            if (key_scan() == 1)
            {
                     break;
            }
      }
}

int main()
{
      u32 cnt = 0;
      u16 rx_flg = 0;

      init_delay(72);

      init_motor_gpio();
      init_printer_gpio();

      usart2_init(36, 9600);       //串口2接蓝牙模块
      bluetooth_swi(1);//打开蓝牙模块

      DMAx_Config(DMA1_Channel7, (u32)&USART2->DR, (u32)(uart_buffer.tx_buf));

      init_usart1(72, 921600);//串口1 烧录字库
      DMAx_Config(DMA1_Channel4, (u32)&USART1->DR, (u32)uart1_tx_buf);

      init_key();
      init_led();
      init_timer3_int(1100-1,72-1);//800us溢出一次
      spi_flash_init();

      if (spi_flash_read_id() != W25Q64)
      {
            uart_printf("flash error!\n");

            while (1)
            {
                     ;
            }
      }

      if (key_scan() == 1)
      {
            updata_font();
      }
      else
      {
            while (1)
            {
                     if (key_scan() == 1)//按下按键，继续往下执行
                     {
                              break;
                     }
            }
      }
      BUZZ = 1;
      delay_ms(200);
      BUZZ = 0;
      uart_printf("The printer is ready.\n");
      uart_buffer.rx_len = rx_flg;
      while (1)
      {
            printer_updata();//打印机更新数据
            printer_updata_pic();

            if (uart_buffer.rx_len != rx_flg)//防止重复执行这里
            {
                     if (uart_buffer.rx_len > 0)       //收到数据
                     {
                              uart_printf("OK:printing ...\r\n");
                              bluetooth_data_formatting((u8*)uart_buffer.rx_buf);
                              uart1_printf("%s", uart_buffer.rx_buf);
                              printer_status = PRINT_TEXT;
                              print_updata_text_flg = 1;
                              printer_updata();             //打印机更新数据

                              TIM3->EGR = 1<<0;             /* 软件更新 */
                              TIM3->SR = 0;                      /* 清0状态标识 */

                              TIM3->CR1 |= 0x01;
                     }
                     rx_flg = uart_buffer.rx_len;
            }

            if ((TIM3->CR1 & 1) == 0)//如果当前没有打印
            {
                     if (++cnt == 600000)
                     {
                              cnt = 0;
                     }

                     LED1 = cnt<60000 ? 0 : 1;

                     if (key_scan() == 1)
                     {
                              strcpy((char*)uart_buffer.rx_buf, (char*)test_str);

                              bluetooth_data_formatting((u8*)uart_buffer.rx_buf);
                              uart_printf("OK:printing ...\r\n");

                              printer_status = PRINT_TEXT;
                              print_updata_text_flg = 1;
                              printer_updata();             //打印机更新数据

                              TIM3->EGR = 1<<0;             /* 软件更新 */
                              TIM3->SR = 0;                      /* 清0状态标识 */

                              TIM3->CR1 |= 0x01;
                     }
            }
      }//end while(1)
}

ID:1 · 发表于 2019-7-8 20:05

本帖需要重新编辑补全电路原理图,源码,详细说明与图片即可获得100+黑币(帖子下方有编辑按钮)

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