Pedro Santos
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Test_timer_interrupt
Test timer interrupt, generat flags with period of 100ms 500ms and 1000ms from kl25z :D
Diff: main.cpp
- Revision:
- 0:2ecfe9cc0e2b
diff -r 000000000000 -r 2ecfe9cc0e2b main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Mar 19 12:35:32 2015 +0000 @@ -0,0 +1,153 @@ +//AUTOR: Pedro Santos +// plainas_14@hotmail.com +//DATA: 19/13/2015 +//NOTAS: http: +//CODIGO PARA: programa de teste para entradas e saidas da placa kl25Z + +#include "mbed.h" + +Serial pc(USBTX, USBRX); // Declare the serial port + +//******************************************************************** +//******************************************************************** +//DEFINIÇÃO DE ENTRADAS E SAIDAS USADAS NO PROGRAMA +//SAIDAS DIGITAIS +DigitalOut led1 (PTD0); +DigitalOut led2 (PTD3); +DigitalOut led3 (PTD2); +DigitalOut led4 (PTE5); + +DigitalOut led_r(LED1); // Define digital outputs for each LED color +DigitalOut led_g(LED2); +DigitalOut led_b(LED3); + +//ENTRADAS DIGITAIS +DigitalIn tecla1 (PTE20); +DigitalIn tecla2 (PTE21); +DigitalIn tecla3 (PTE22); +DigitalIn tecla4 (PTE23); + +int count_1000ms=0; +int count_500ms=0; +int count_100ms=0; + +char f_100ms=0; +char f_500ms=0; +char f_1000ms=0; + +//******************************************************************** +//******************************************************************** +void TPM0_IRQHandler(void){ //10ms interrupt + + count_1000ms++; + count_500ms++; + count_100ms++; + + if(count_100ms==10){ + // led_b=!led_b; + led3=!led3; + count_100ms=0; + } + + if(count_500ms==50){ + // led_g=!led_g; + led2=!led2; + count_500ms=0; + } + + if(count_1000ms==100){ + // led_r=!led_r; + led1=!led1; + count_1000ms=0; + } + + + TPM0->SC= 0x000000cF; //Volta a defenir a cena + return; +} + +//******************************************************************** +//******************************************************************** +void init_timer0(){ + + // TPM0->SC=0x2b; +// TPM0_DMA=0;//->DMA=0; //disable dma +// TPM0_SC->TOF=0; //flag de interruption +// TPM0_SC->TOIE=1; //enable interupt flag +// TPM0_SC->CPWMS=0; //enable interupt flag +// TPM0_SC->CMOD=1; //cmod register +// TPM0_SC->ps=8; //pre- escalar div pag 553 datasheet + + + // TMP0->CNT=100; + // TMP0->MOD=5000; + + led_b=0; + + wait(1); + + led_b=!led_b; + + SIM->SOPT2=(SIM->SOPT2 | (1UL<<24)); + SIM->SCGC6=(SIM->SCGC6 | (1UL<<24));//enable TPM 0,1 + //TPM0->SC=0x0; + // + //TPM0->CNT=200; + //TPM0->MOD|=4850; + //TPM0->SC|=0xEF;//0008 + + + TPM0->SC=0x0; + + TPM0->CNT=0x0; + TPM0->SC=0x00000040; //disable LPTPM + TPM0->MOD=3750; //max value = 1/(48mhz/128) -> 10^-3/ans =3750 + TPM0->SC=0x000000cF;//enable LPTPM + + + +} + + +//******************************************************************** +//****************************** MAIN ******************************** +//******************************************************************** +int main() +{ + led_r=1; + led_g=1; + led_b=1; + init_timer0(); + + pc.baud (38400); + + NVIC_SetVector(TPM0_IRQn, (uint32_t)&TPM0_IRQHandler); + NVIC_SetPriority(TPM0_IRQn, 1); + NVIC_EnableIRQ(TPM0_IRQn); + +//****************************** LOOP ******************************** + while(1) { + + led_b = 0; + wait(0.1); //Wait 100ms + led_b = 1; + wait(0.1); //Wait 100ms + + /* + // pc.printf("%u \n\r",TPM0->CNT); // Send a status message + + //testa tecla 1 e 2 + if(tecla1==1 || tecla2==1) + led3=1; + else + led3=0; + + //testa tecla 3 e 4 + if(tecla3==1 || tecla4==1) + led4=1; + else + led4=0; + */ + + } +} \ No newline at end of file