Jennic-WSN专业综合训练文档-基础通信实验2.doc

WSN基础通信实验讲义2 GPIO及LCD使用实验 四、基本实验1. 按键控制LED将如下给定代码添加到工程程序框架中，并给予注释，然后编译、下载、运行，分别按动按键，观测实验现象。/Include files#include #include /Macro Definitions#define APP_TICK_PERIOD_ms 500/Local Function PrototypesPRIVATE void vAppTick(void *pvMsg, uint8 u8Param);PRIVATE void vProcessSplashKeyPress(uint8 u8KeyMap);PRIVATE void vAppTickLED(void *pvMsg, uint8 u8Param);/Local VariablesPRIVATE bool_t bNwkStarted = FALSE;PRIVATE bool_t NextReadStart = TRUE ;PRIVATE uint8 u8Msg;PRIVATE uint8 u8TimerId;PRIVATE uint8 LED=3;PRIVATE bool_t bToggle;PRIVATE void vInit(void) (void)JZS_u32InitSystem(TRUE); vLedInitFfd(); vLedControl(0,TRUE); vLedControl(1,FALSE); vLedControl(2,FALSE); vLedControl(3,FALSE); vButtonInitFfd(); (void)bBosRun(TRUE);PRIVATE void vAppTick(void *pvMsg, uint8 u8Param) NextReadStart = TRUE;PRIVATE void vProcessSplashKeyPress(uint8 u8KeyMap) switch (u8KeyMap) case BUTTON_0_MASK: LED=0; break; case BUTTON_1_MASK: LED=1; break; case BUTTON_2_MASK: LED=2; break; case BUTTON_3_MASK: LED=3; break; default: break; vLedControl(0,FALSE); vLedControl(1,FALSE); vLedControl(2,FALSE); vLedControl(3,FALSE);PRIVATE void vAppTickLED(void *pvMsg, uint8 u8Param) bToggle=!bToggle; vLedControl(LED,bToggle); (void)bBosCreateTimer(vAppTickLED, &u8Msg, 0, (APP_TICK_PERIOD_ms/10), &u8TimerId);void JZA_vAppEventHandler(void) uint8 u8ReadButton=0; if (!bNwkStarted) return; u8ReadButton=u8ButtonReadFfd(); if (bNwkStarted&NextReadStart&u8ReadButton) NextReadStart = FALSE; vProcessSplashKeyPress(u8ReadButton); (void)bBosCreateTimer(vAppTick, &u8Msg, 0, (APP_TICK_PERIOD_ms/10), &u8TimerId); PUBLIC void JZA_vStackEvent(teJZS_EventIdentifier eEventId, tuJZS_StackEvent *puStackEvent) if (eEventId = JZS_EVENT_NWK_STARTED) bNwkStarted = TRUE; vLedControl(0, FALSE); (void)bBosCreateTimer(vAppTickLED, &u8Msg, 0, (APP_TICK_PERIOD_ms/10), &u8TimerId); 2. 按键控制LCD将如下给定代码添加到工程程序框架中，并给予注释，然后编译、下载、运行，分别按动按键，观测实验现象。/Include files#include Lcd_JM12864_Driver.h/Macro Definitions#define LCD/PRIVATE void vInit(void)#ifdef LCD vLcdInit();#endifPRIVATE void vProcessSplashKeyPress(uint8 u8KeyMap) switch (u8KeyMap) case BUTTON_0_MASK: /如果按下按键1 LED=0;#ifdef LCD vLcdShadowClear(); /初始化该影子内存 au8Shadow0=0x20;/空格 au8Shadow1=0x20;/空格 au8Shadow2=0x20;/空格 au8Shadow3=0x4A;/J au8Shadow4=0x45;/E au8Shadow5=0x4E;/N au8Shadow6=0x4E;/N au8Shadow7=0x49;/I au8Shadow8=0x43;/C au8Shadow9=0x2D;/- au8Shadow10=0x57;/W au8Shadow11=0x53;/S au8Shadow12=0x4E;/N au8Shadow13=0x20;/空格 au8Shadow14=0x20;/空格 au8Shadow15=0x20;/空格 vLcdRefresh(); /内容复制到lcd的ddram中并显示#endif break; case BUTTON_1_MASK: /如果按下按键1 LED=1;#ifdef LCD vLcdShadowClear(); /清除影子内存 vLcdTextWrite(1,1,江苏技术师范学院); vLcdTextWrite(2,3,欢迎您!); vLcdTextWrite(3,1,提供无线传感器网); vLcdTextWrite(4,2,开发技术支持); vLcdRefresh(); /内容复制到lcd的ddram中并显示#endif break; case BUTTON_2_MASK: /如果按下按键2 LED=2;#ifdef LCD vLcdShadowClear(); vLcdRefresh(); vLcdBitmapShadowClear(); /初始化影子内存，全部清零 vLcdBitmapWrite(1,1,1234); vLcdBitmapWrite(5,7,3456); vLcdBitmapWrite(10,2,5678); vLcdBitmapWrite(32,5,7890); vLcdBitmapWrite(33,1,90ab); vLcdBitmapWrite(35,7,abcd); vLcdBitmapWrite(40,2,cdef); vLcdBitmapWrite(62,5,efde); vLcdBitmapRefresh(); /全部内容复制到gdram中显示 vLcdBitmapDisplayOnOff (1); /打开绘图显示功能 vLcdModeExchange(0); /改变模式为基本指令模式#endif break; case BUTTON_3_MASK: /如果按下按键3 LED=3;#ifdef LCD vLcdModeExchange(1); /改模式为扩充指令模式 vLcdBitmapDisplayOnOff (0); /关闭绘图显示功能 v