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TM4C123簡易信號發生器源碼

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ID:337321 發表于 2018-5-24 15:09 | 只看該作者 回帖獎勵 |倒序瀏覽 |閱讀模式
簡易信號發生器
1啟用定時器中斷，從微控制器引腳輸出占空比為x％， x kHz的方波。
其中x為你的學號后2位，當后兩位為00時，可使用學號倒數4-3位
2 同時在液晶上按如下格式顯示：
3 簡易信號發生器
4定時器m,引腳n
5Fre=x,Duty=x
6你的姓名

注：在本目錄存放整個工程項目，包括源文件、頭文件、說明等

單片機源程序如下:
  1. #include <stdint.h>
  2. #include <stdbool.h>
  3. #include <stdio.h>
  4. #include <stdarg.h>
  5. #include <string.h>

  7. #include "inc/hw_memmap.h"
  8. #include "inc/hw_types.h"
  9. #include "inc/hw_timer.h"
  10. #include "inc/hw_ints.h"
  11. #include "inc/hw_gpio.h"
  12. #include "inc/hw_i2c.h"
  13. #include "inc/hw_sysctl.h"
  14. #include "driverlib/timer.h"
  15. #include "driverlib/interrupt.h"
  16. #include "driverlib/sysctl.h"
  17. #include "driverlib/systick.h"
  18. #include "driverlib/gpio.h"
  19. #include "driverlib/pin_map.h"
  20. #include "driverlib/ssi.h"
  21. #include "driverlib/i2c.h"
  22. #include "driverlib/udma.h"
  23. #include "driverlib/fpu.h"
  24. #include "driverlib/rom.h"
  25. #include "uc1701.h"

  27. //*****************************************************************************
  28. //Attention
  29. //TM4C123 NMI unlock - To those who want to use PF0 and PD7, be reminded that these pins defaults as NMI ! ! !
  30. //
  31. //*****************************************************************************

  33. //*****************************************************************************
  34. //
  35. // The error routine that is called if the driver library encounters an error.
  36. //
  37. //*****************************************************************************
  38. #ifdef DEBUG
  39. void
  40. __error__(char *pcFilename, unsigned long ulLine)
  41. {
  42. }
  43. #endif

  45. //*****************************************************************************
  46. //
  47. // Global variables
  48. //
  49. //
  50. //
  51. //*****************************************************************************
  52. unsigned char flag;
  53. unsigned int i;
  54. //*****************************************************************************
  55. //
  56. // The interrupt application.  
  57. // Timer interrupt
  58. //
  59. //
  60. //*****************************************************************************
  61. void Timer0IntHandler(void)
  62. {
  63.     // Clear the timer interrupt
  64.     TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);


  67.         if(i<7)
  68.         GPIOPinWrite(GPIO_PORTA_BASE, GPIO_PIN_4, 1<<4);  // 綠LED燈：亮;
  69.    
  70.                           else
  71.                           GPIOPinWrite(GPIO_PORTA_BASE, GPIO_PIN_4, 0<<4);  // 綠LED燈：亮
  72.                                 
  73.                                 i=i+1;
  74.                                 if(i==60)
  75.                                         i=0;
  76.    
  77. }

  79. //*****************************************************************************
  80. char HZ[]={
  81. 0x08,0x04,0xC3,0x12,0x26,0x8A,0xA2,0xAA,0xA4,0xA3,0x22,0x26,0xEA,0x02,0x02,0x00,
  82. 0x00,0x00,0xFF,0x00,0x00,0x3F,0x24,0x24,0x24,0x3F,0x00,0x80,0xFF,0x00,0x00,0x00,/*"簡",0*/
  83. 0x00,0x00,0x00,0x00,0x7F,0xC9,0x49,0x49,0x49,0x49,0x49,0x7F,0x00,0x00,0x00,0x00,
  84. 0x00,0x08,0x04,0x42,0x23,0x12,0x8E,0x42,0x32,0x0E,0x42,0x82,0x42,0x3E,0x00,0x00,/*"易",1*/
  85. 0x00,0x80,0x60,0xF8,0x07,0x00,0x04,0x24,0x24,0x25,0x26,0x24,0x24,0x24,0x04,0x00,
  86. 0x01,0x00,0x00,0xFF,0x00,0x00,0x00,0xF9,0x49,0x49,0x49,0x49,0x49,0xF9,0x00,0x00,/*"信",2*/
  87. 0x80,0x80,0x80,0xBE,0xA2,0xA2,0xA2,0xA2,0xA2,0xA2,0xA2,0xBE,0x80,0x80,0x80,0x00,
  88. 0x00,0x00,0x00,0x06,0x05,0x04,0x04,0x04,0x44,0x84,0x44,0x3C,0x00,0x00,0x00,0x00,/*"號",3*/
  89. 0x00,0x00,0x18,0x16,0x10,0xD0,0xB8,0x97,0x90,0x90,0x90,0x92,0x94,0x10,0x00,0x00,
  90. 0x00,0x20,0x10,0x8C,0x83,0x80,0x41,0x46,0x28,0x10,0x28,0x44,0x43,0x80,0x80,0x00,/*"發",4*/
  91. 0x80,0x40,0x30,0x1E,0x10,0x10,0x10,0xFF,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00,
  92. 0x40,0x40,0x42,0x42,0x42,0x42,0x42,0x7F,0x42,0x42,0x42,0x42,0x42,0x40,0x40,0x00,/*"生",5*/
  93. 0x80,0x80,0x9E,0x92,0x92,0x92,0x9E,0xE0,0x80,0x9E,0xB2,0xD2,0x92,0x9E,0x80,0x00,
  94. 0x08,0x08,0xF4,0x94,0x92,0x92,0xF1,0x00,0x01,0xF2,0x92,0x94,0x94,0xF8,0x08,0x00,/*"器",6*/
  95. };

  97. char HZ1[]={
  98. 0x10,0x0C,0x44,0x44,0x44,0x44,0x45,0xC6,0x44,0x44,0x44,0x44,0x44,0x14,0x0C,0x00,
  99. 0x80,0x40,0x20,0x1E,0x20,0x40,0x40,0x7F,0x44,0x44,0x44,0x44,0x44,0x40,0x40,0x00,/*"定",0*/
  100. 0x00,0xFC,0x84,0x84,0x84,0xFC,0x00,0x10,0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x00,
  101. 0x00,0x3F,0x10,0x10,0x10,0x3F,0x00,0x00,0x01,0x06,0x40,0x80,0x7F,0x00,0x00,0x00,/*"時",1*/
  102. 0x80,0x80,0x9E,0x92,0x92,0x92,0x9E,0xE0,0x80,0x9E,0xB2,0xD2,0x92,0x9E,0x80,0x00,
  103. 0x08,0x08,0xF4,0x94,0x92,0x92,0xF1,0x00,0x01,0xF2,0x92,0x94,0x94,0xF8,0x08,0x00,/*"器",2*/
  104. };

  106. char HZ2[]={
  107. 0x00,0x02,0xE2,0x22,0x22,0x22,0x22,0x3E,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,
  108. 0x00,0x03,0x02,0x02,0x42,0x82,0x42,0x3E,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,/*"引",0*/
  109. 0x00,0xFE,0x22,0x22,0xFE,0x80,0x88,0xFF,0x88,0x80,0x00,0xFC,0x04,0x04,0xFC,0x00,
  110. 0x80,0x7F,0x02,0x82,0xFF,0x10,0x3C,0x13,0x18,0x30,0x00,0xFF,0x04,0x08,0x07,0x00,/*"腳",1*/

  112. };

  114. char HZ3[]={
  115. 0x00,0x04,0x44,0x44,0x44,0x44,0xFC,0x22,0x22,0x22,0x22,0x23,0x02,0x00,0x00,0x00,
  116. 0x04,0x04,0x04,0x04,0x04,0x04,0x7F,0x82,0x82,0x82,0x82,0x82,0x82,0xF2,0x00,0x00,/*"毛",0*/
  117. 0x10,0x0C,0x44,0x54,0x54,0xFC,0x55,0x56,0x54,0xFC,0x54,0x54,0x44,0x14,0x0C,0x00,
  118. 0x11,0x11,0x09,0x05,0x03,0x21,0x25,0x45,0x49,0x91,0x03,0x05,0x09,0x11,0x11,0x00,/*"寒",1*/
  119. 0x00,0x00,0x00,0xBE,0x2A,0x2A,0x2A,0xEA,0x2A,0x2A,0x2A,0x3E,0x00,0x00,0x00,0x00,
  120. 0x00,0x44,0x42,0x49,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x49,0x41,0x40,0x00,0x00,/*"星",2*/

  122. };
  123. void Timer1IntHandler(void)
  124. {
  125.         // Clear the timer interrupt
  126.         TimerIntClear(TIMER1_BASE, TIMER_TIMA_TIMEOUT);

  128.     if(GPIOPinRead(GPIO_PORTD_BASE, GPIO_PIN_6))
  129.     {
  130.         GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_6, 0<<6);  // 紅LED燈：亮
  131.     }
  132.     else
  133.     {
  134.         GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_6, 1<<6);  // 紅LED燈：滅
  135.     }
  136. }

  138. //*****************************************************************************
  139. //
  140. // The main application.  
  141. // Blink the led
  142. // led2-PA4
  143. //
  144. //*****************************************************************************
  145. int
  146. main(void)
  147. {
  148.     uint32_t ui32Period;
  149.           i=0;
  150.     //
  151.     // The FPU should be enabled because some compilers will use floating-
  152.     // point registers, even for non-floating-point code. If the FPU is not
  153.     // enabled this will cause a fault.  This also ensures that floating-
  154.     // point operations could be added to this application and would work
  155.     // correctly and use the hardware floating-point unit.  Finally, lazy
  156.     // stacking is enabled for interrupt handlers.  This allows floating-
  157.     // point instructions to be used within interrupt handlers, but at the
  158.     // expense of extra stack usage.
  159.     FPUEnable();
  160.     FPULazyStackingEnable();

  162.     //
  163.     // 注：下面為用PLL和不用PLL設置系統時鐘的方法
  164.     // 啟用 PLL（通過合理設置，最高可到 80MHz），設置系統時鐘為 40 MHz
  165.     SysCtlClockSet(SYSCTL_SYSDIV_5 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN | SYSCTL_XTAL_16MHZ);
  166.     // 不啟用 PLL（不超過外接晶振頻率，本核心板為 16MHz），設置系統時鐘為 16 MHz
  167.     //SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN | SYSCTL_XTAL_16MHZ);
  168.    
  169.     // LED 引腳初始化
  170.     // 設置 PA4 為輸出
  171.     SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);            // 使能 GPIO A模塊
  172.     GPIOPinTypeGPIOOutput(GPIO_PORTA_BASE, GPIO_PIN_4);     // PA4 設置為輸出
  173.     GPIOPinWrite(GPIO_PORTA_BASE,GPIO_PIN_4,1<<4);          // 綠 LED 燈初始態：滅
  174.     // 設置 PD6 為輸出
  175.     SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);            // 使能 GPIO D模塊
  176.     GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_6);     // PD6 設置為輸出
  177.     GPIOPinWrite(GPIO_PORTD_BASE,GPIO_PIN_6,1<<6);          // 紅 LED 燈初始態：滅
  178.     //
  179.     // Timer0 init
  180.     SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
  181.     TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
  182.     // Timer1 init
  183.     SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER1);
  184.     TimerConfigure(TIMER1_BASE, TIMER_CFG_PERIODIC);
  185.    
  186.     //
  187.                 UC1701Init(60000);
  188.     UC1701Clear();
  189.                 UC1701ChineseDispaly(0, 1, 7,HZ);
  190.                 UC1701ChineseDispaly(1, 1, 3,HZ1);
  191.                 UC1701CharDispaly(1, 7, "0,");
  192.                 UC1701ChineseDispaly(1, 9, 2,HZ2);
  193.                 UC1701CharDispaly(1, 13, "PA4");
  194.                 UC1701CharDispaly(2, 1, "Fre=12,Duty=12");
  195.                 UC1701ChineseDispaly(3, 1, 3,HZ3);
  196.     // Timer delay period
  197.     ui32Period = (SysCtlClockGet());        // 獲取系統運行頻率，單位為 Hz
  198.     TimerLoadSet(TIMER0_BASE, TIMER_A, (ui32Period/1200000)-1);    // 設置 Timer0 溢出周期
  199.     TimerLoadSet(TIMER1_BASE, TIMER_A, ui32Period/3 -1);  // 設置 Timer1 溢出周期
  200.     //
  201.     // interrupt enable--timerxA
  202.     IntEnable(INT_TIMER0A);     //Enables a timer interrupt
  203.     //Enables individual timer interrupt sources
  204.     TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);   
  205.     IntEnable(INT_TIMER1A);     //Enables a timer interrupt
  206.     //Enables individual timer interrupt sources
  207.     TimerIntEnable(TIMER1_BASE, TIMER_TIMA_TIMEOUT);   

  209.         IntMasterEnable();  //Enables the processor interrupt

  211.     TimerIntRegister(TIMER0_BASE, TIMER_BOTH, Timer0IntHandler); //  Timer0 中斷服務函數入口
  212.     TimerIntRegister(TIMER1_BASE, TIMER_BOTH, Timer1IntHandler); //  Timer1 中斷服務函數入口
  213.     //
  214.     // timer0 enable--This will start the timer and interrupts
  215.     TimerEnable(TIMER0_BASE, TIMER_A);      // 使能 Timer0:TIMER_A
  216.     TimerEnable(TIMER1_BASE, TIMER_A);      // 使能 Timer1:TIMER_A
  217.    
  218.     ui32Period = SysCtlClockGet()/40000;    // 【示例】獲取系統時鐘，并 40k 分頻
  219.     SysCtlDelay(ui32Period);                // 【示例】調用系統延時函數
  220.    

  222.     while(1)    // 無限循環（死循環）
  223.     {
  224.         
  225.     }
  226. }
  227. // The end.
復制代碼

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ID:364014 發表于 2018-7-21 18:46 | 只看該作者
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