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2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | /* º¯Êý¹¦ÄÜ£ºÍùflashÖÐдÈë×Ö¿â */ void updata_fort(void) { static u8 group = 0; u8 i = 0;//ÁÙʱѻ·±äÁ¿ u32 addr = 0; printf("flash_init_ok\r\n"); for(i = 0; i < 148; i++) { flash_earson(i * 4096);//²Á³ýÉÈÇø systick_ms(200); } printf("flash_earse_ok\r\n"); while(1) { if(font_buffer[group].uart_rev_len)//µ±UARTÓнÓÊÕµ½Êý¾Ý { //дÈëÊý¾Ýµ½ÍⲿFLASH£¬ÏÂÊöº¯ÊýÖ§³Ö¿çҳд flash_write_page_datas(addr,font_buffer[group].uart_rev_len,(u8 *)font_buffer[group].data_buf); addr += font_buffer[group].uart_rev_len;//´æ´¢µÄµØÖ·½øÐе÷Õû font_buffer[group].uart_rev_len = 0; group = !group;//»»Ò»¸ö»º³åÇø } if(key_scanf_2()) { printf("flash_zk_ok\r\n"); break; } } } /* º¯Êý¹¦ÄÜ£ºUSART1µÄÖжϷþÎñº¯Êý ±¸×¢£ºÖ»¿ªÁ˽ÓÊÕÖжϺͿÕÏÐÖÐ¶Ï */ void USART1_IRQHandler(void) { char ch = 0; static u16 rev_cnt = 0; static u8 group = 0; if(USART1->SR & (1 << 5))//½ÓÊÕÖÐ¶Ï { //Çå±êÖ¾ USART1->SR &= ~(0X1 << 5); //½ÓÊÕÊý¾Ý----¶ÁÈ¡DR¼Ä´æÆ÷µÄÖµ font_buffer[group].data_buf[rev_cnt] = ch;//±£´æ½ÓÊÕµ½µÄÊý¾Ý rev_cnt++; if(rev_cnt == 256) { font_buffer[group].uart_rev_len = rev_cnt;//±£´æ½ÓÊÕµ½µÄ×Ö½Ú³¤¶È group = !group;//»»Ò»¸ö»º³åÇø rev_cnt = 0; } } else if(USART1->SR & (1 << 4))//¿ÕÏÐÖÐ¶Ï { ch = USART1->DR;//Çå±êÖ¾ font_buffer[group].uart_rev_len = rev_cnt;//±£´æ½ÓÊÕµ½µÄ×Ö½Ú³¤¶È rev_cnt = 0;//ΪÁËÏÂÒ»´Î½ÓÊÕ×ö×¼±¸ } } |