moyuhai
177 lines
6.4 KiB
Plaintext
177 lines
6.4 KiB
Plaintext
C51 COMPILER V9.60.0.0 UART 03/28/2026 16:50:46 PAGE 1
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C51 COMPILER V9.60.0.0, COMPILATION OF MODULE UART
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OBJECT MODULE PLACED IN .\hex\uart.obj
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COMPILER INVOKED BY: C:\keil5\C51\BIN\C51.EXE Library\Sources\uart.c OMF2 OPTIMIZE(9,SIZE) BROWSE DEBUG PRINT(.\lst\uart
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-.lst) TABS(2) OBJECT(.\hex\uart.obj)
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line level source
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1 #ifndef _UART_C_
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2 #define _UART_C_
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3 #include "ca51f5_config.h"
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4 #include "../../includes/ca51f5sfr.h"
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5 #include "../../includes/ca51f5xsfr.h"
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6 #include "../../includes/gpiodef_f5.h"
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7 #include "../../includes/system.h"
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8
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9 #include "../../Library/includes/uart.h"
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10 #include <intrins.h>
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11 #include <string.h>
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12 #include <stdarg.h>
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13 #include <stdlib.h>
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14 #include <stdio.h>
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15 #include <absacc.h>
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16 /*********************************************************************************************************
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-************/
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17 /*********************************************************************************************************
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-************/
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18 #ifdef UART0_EN
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/*********************************************************************************************************
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-************
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注意：以下波特率配置参数前提条件是系统时钟为16MHz，如果修改系统时钟频率，波特率配置参数须另行计算。
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**********************************************************************************************************
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-*************/
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void Uart0_Initial(unsigned long int baudrate)
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{
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code unsigned long int BR_TAB[]=
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{
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1200,
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2400,
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4800,
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9600,
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19200,
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38400,
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57600,
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115200,
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};
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code unsigned int BR_SET_TAB[][2]=
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{
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{416,31},
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{208,31},
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{104,31},
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{52,31},
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{26,31},
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{13,31},
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{10,27},
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{5,27},
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};
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unsigned int value_temp;
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unsigned char i;
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uart0_send.head = 0;
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uart0_send.tail = 0;
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C51 COMPILER V9.60.0.0 UART 03/28/2026 16:50:46 PAGE 2
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uart0_rev.head = 0;
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uart0_rev.tail = 0;
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uart0_tx_flag = 0;
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GPIO_Init(P31F,P31_UART0_RX_SETTING);
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GPIO_Init(P30F,P30_UART0_TX_SETTING);
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for(i=0;i<sizeof(BR_TAB)/4;i++)
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{
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if(baudrate == BR_TAB[i])
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{
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value_temp = 0x10000 - BR_SET_TAB[i][0];
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UDCKS = 0x80 | BR_SET_TAB[i][1];
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break;
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}
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}
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if(i == sizeof(BR_TAB)/4) return; //如果所设置的波特率不在表格中，可自行添加。
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T2CON = 0x24;
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T2CH = (unsigned char)(value_temp>>8);
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T2CL = (unsigned char)(value_temp);
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TH2 = (unsigned char)(value_temp>>8);
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TL2 = (unsigned char)(value_temp);;
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TR2 = 1;
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S0CON = 0x50;
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ES0 = 1;
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}
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void Uart0_PutChar(unsigned char bdat)
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{
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unsigned char free_space;
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unsigned char tail_tmp;
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while(1)
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{
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tail_tmp = uart0_send.tail;
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if(uart0_send.head < tail_tmp)
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{
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free_space = tail_tmp - uart0_send.head;
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}
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else
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{
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free_space = UART0_TX_BUF_SIZE + tail_tmp - uart0_send.head;
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}
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if(free_space > 1)
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{
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ES0 = 0;
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uart0_send.head++;
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uart0_send.head %= UART0_TX_BUF_SIZE;
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uart0_tx_buf[uart0_send.head] = bdat;
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if(!uart0_tx_flag)
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{
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ES0 = 1;
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uart0_send.tail++;
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uart0_send.tail %= UART0_TX_BUF_SIZE;
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S0BUF=uart0_tx_buf[uart0_send.tail];
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uart0_tx_flag = 1;
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}
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else
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{
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ES0 = 1;
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}
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break;
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C51 COMPILER V9.60.0.0 UART 03/28/2026 16:50:46 PAGE 3
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}
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}
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}
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void UART0_RX_ISR (void)
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{
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RI0 = 0;
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uart0_rev.head++;
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uart0_rev.head %= UART0_RX_BUF_SIZE;
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uart0_rx_buf[uart0_rev.head]=S0BUF;
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}
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void UART0_TX_ISR (void)
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{
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TI0 = 0;
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if(uart0_send.head!=uart0_send.tail)
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{
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uart0_send.tail++;
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uart0_send.tail %= UART0_TX_BUF_SIZE;
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S0BUF=uart0_tx_buf[uart0_send.tail];
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}
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else
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{
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uart0_tx_flag=0;
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}
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}
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#endif
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138 /*********************************************************************************************************
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-************/
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139 #endif
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = ---- ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = ---- ----
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PDATA SIZE = ---- ----
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DATA SIZE = ---- ----
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IDATA SIZE = ---- ----
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BIT SIZE = ---- ----
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EDATA SIZE = ---- ----
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HDATA SIZE = ---- ----
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XDATA CONST SIZE = ---- ----
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FAR CONST SIZE = ---- ----
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END OF MODULE INFORMATION.
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C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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