/*----------------------------------------------------------------------------
MAIN function
*----------------------------------------------------------------------------*/
int main (void) {
//initiliaze RGB LED
Init_RGB_LEDs();
if (init_mma() == 0)
{
Control_RGB_LEDs(1,0,0);
while (1); //stay in the infinite loop to indicate the error with the RED LED
}
//Add Delay (1000); here
Delay(1000);
while (1) {
//Read the data on x, y, and z axis; // Use function call to read the axes data
//Convert x, y, and z axis to roll and pitch as described in the class
// use function call to convert the data
// Light green LED if pitch > 10 ; pick a pitch angle between 10 and 15 degrees
// Light blue LED if roll > 10 ; pick a roll angle between 10 to 15 degrees
// use LED function call "Control_RGB_LEDs" from previous labs and display
// roll and pitch angles using the tri-color LED; you may
//ignore the yaw angle; for details, see lab manual for roll, pitch, and yaw
//definitions
}
}
/*----------------------------------------------------------------------------
MAIN function
*----------------------------------------------------------------------------*/
int main (void) {
Init_Debug_Signals();
Init_RGB_LEDs();
Sound_Init();
// Sound_Disable_Amp();
Play_Tone();
TFT_Init();
TFT_Text_Init(1);
TFT_Erase();
TFT_Text_PrintStr_RC(0,0, "Test Code");
/*
Graphics_Test();
while (1)
;
*/
// TFT_TS_Calibrate();
// TFT_TS_Test();
TFT_Text_PrintStr_RC(1,0, "Accel...");
i2c_init(); // init I2C peripheral
if (!init_mma()) { // init accelerometer
Control_RGB_LEDs(1,0,0); // accel initialization failed, so turn on red error light
while (1)
;
}
TFT_Text_PrintStr_RC(1,9, "Done");
Play_Waveform_with_DMA();
Delay(70);
os_sys_init(&Task_Init);
while (1)
;
}
/*----------------------------------------------------------------------------
MAIN function
*----------------------------------------------------------------------------*/
int main (void) {
#if USE_VLPR == 1
// enter low power run
SIM->CLKDIV1 = (0x1 << SIM_CLKDIV1_OUTDIV1_SHIFT) | (0x5 << SIM_CLKDIV1_OUTDIV4_SHIFT); // reduce core clock < 4 MHz and flash < 1 MHz
MCG->C6 &= ~MCG_C6_CME0_MASK; // disable MCG clock monitor
MCG->C2 |= MCG_C2_IRCS_MASK; // don't use slow internal reference clock
MCG->C1 |= MCG_C1_CLKS(2); // enter BLPE mode
MCG->C1 &= ~MCG_C1_IREFS_MASK;
MCG->C6 &= ~MCG_C6_PLLS_MASK;
while(!(MCG->S & MCG_S_IREFST_MASK >> MCG_S_IREFST_SHIFT)); // wait to ensure clock change
MCG->C2 |= MCG_C2_LP_MASK;
#endif
Init_RGB_LEDs();
#if DEBUG_SIGNALS == 1
Init_Debug_Signals();
#endif
// I2C and MMA
i2c_init(); /* init i2c */
if (!init_mma()) { /* init mma peripheral */
Control_RGB_LEDs(1, 0, 0); /* Light red error LED */
while (1) /* not able to initialize mma */
;
}
#if RUN_I2C_FAST == 1
// increase i2c baud rate
I2C_DISABLE;
I2C0->F = (I2C_F_ICR(0x00) | I2C_F_MULT(0));
I2C_ENABLE;
#endif
// configure low power modes
SMC->PMPROT = SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLP_MASK; // allow low leakage stop mode
SMC->PMCTRL = SMC_PMCTRL_RUNM(2) | SMC_PMCTRL_STOPM(3); // enable low power run mode (10) and low leakage stop mode (011)
SMC->STOPCTRL = SMC_STOPCTRL_PSTOPO(0) | SMC_STOPCTRL_VLLSM(3); // normal stop mode and VLL stop3 (not needed?)
// configure low leakage wakeup unit (LLWU)
LLWU->ME |= LLWU_ME_WUME0_MASK; // internal module 0 is wakeup source which is apparently the LPTMR
// enable stop mode (deep sleep)
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
// LPTMR
Init_LPTMR();
Start_LPTMR();
__enable_irq();
while (1) {
// read acceleration every 100 ms
if (run_Read_Accel){
run_Read_Accel = 0;
Read_Accel();
}
// update LEDs every 500 ms; keep them on for 10 ms
if (run_Update_LEDs){
run_Update_LEDs = 0;
Update_LEDs();
#if USE_PWM == 1
#if PWM_SLEEP == 1
SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk; // switch to regular sleep mode
#if USE_SLEEP_MODES == 1
#if DEBUG_SIGNALS == 1
PTE->PSOR |= MASK(30);
#endif
__wfi(); // PWM does not work in LLS mode
#endif
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; // switch back to LLS mode
#else
while(led_on_period); // poll -> bad solution
#endif
#endif
}
#if USE_SLEEP_MODES == 1
#if DEBUG_SIGNALS == 1
PTE->PSOR |= MASK(30);
#endif
__wfi(); // go to sleep
#endif
}
}
