Jennic-WSN专业综合训练文档-基础通信实验2.doc

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 LedControl.h #include Button.h //Macro Definitions #define APP_TICK_PERIOD_ms 500 //Local Function Prototypes PRIVATE void vAppTick(void *pvMsg, uint8 u8Param); PRIVATE void vProcessSplashKeyPress(uint8 u8KeyMap); PRIVATE void vAppTickLED(void *pvMsg, uint8 u8Param); //Local Variables PRIVATE 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 (bNwkStartedNextReadStartu8ReadButton) { 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_