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[/] [openmsp430/] [trunk/] [fpga/] [altera_de0_nano_soc/] [software/] [libs/] [tA/] [timerA.c] - Rev 222
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#include "omsp_system.h" #include "timerA.h" //---------------------------------------------------// // TA_WAIT_NO_LPM // // ( the function implements a wait by continously ) // // ( polling the TAR register ) // // // //---------------------------------------------------// void ta_wait_no_lpm(unsigned int time_cnt) { // Start and re-initialize TimerA TACTL = TASSEL0 | TACLR | MC_2; // Wait until time is over while(TAR < time_cnt); } //--------------------------------------------------// // WAIT FUNCTION // // ( the function brings the core to LPM0 state ) // // ( the timerA IRQ will exit the LPM0 state ) // // // //--------------------------------------------------// void ta_wait(unsigned int time_cnt) { // Set time limit for IRQ generation TACCR0 = time_cnt; // Start and re-initialize TimerA TACTL = TASSEL0 | TACLR | MC_1 | TAIE; // Go to Low-Power-Mode 0 LPM0; } //--------------------------------------------------// // TIMER A INTERRUPT // //--------------------------------------------------// wakeup interrupt (TIMERA1_VECTOR) INT_timerA1(void) { // Clear the receive pending flag & stop timer A TACTL = TAIFG; // Exit the low power mode LPM0_EXIT; }
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