main.cpp

00001 #include "mbed.h"
00002 
00003 bool sleepyTime = false;
00004 
00005 void interrupter()
00006 {
00007   sleepyTime = true;
00008 };
00009 
00010 int main()
00011 {
00012   /* (#)Initialize the LPTIM low level resources by implementing the */
00013   DigitalOut led( PB_3 );
00014   InterruptIn inter( PA_12 );
00015   inter.fall( &interrupter );
00016   led = 0;
00017   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
00018   __HAL_RCC_MSI_RANGE_CONFIG( RCC_MSIRANGE_5 );
00019   wait_ms( 2000 );
00020   RCC_ClkInitStruct.ClockType      = ( RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 );
00021   RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_MSI; // 80 MHz
00022   RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;         // 80 MHz
00023   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;           // 80 MHz
00024   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;           // 80 MHz
00025   HAL_RCC_ClockConfig( &RCC_ClkInitStruct, FLASH_LATENCY_4 );
00026   HAL_PWREx_ControlVoltageScaling( PWR_REGULATOR_VOLTAGE_SCALE2 );
00027   HAL_PWREx_EnableLowPowerRunMode();
00028   SystemCoreClockUpdate();
00029   HAL_PWREx_EnterSTOP0Mode( PWR_STOPENTRY_WFI );
00030 
00031   if( HAL_RCC_GetSysClockFreq() < 3000000 ) { led = 1; }
00032 
00033   wait_ms( 1 );
00034   led = 0;
00035   wait_ms( 1000 );
00036   led = 1;
00037   wait_ms( 10 );
00038   led = 0;
00039   /* HAL_MPU_Disable(); */
00040   /* __HAL_RCC_MSI_STANDBY_RANGE_CONFIG(RCC_MSIRANGE_5); */
00041   /* __HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_STOP_WAKEUPCLOCK_MSI); */
00042   /* GPIO_InitTypeDef GPIO_InitStructure = {0}; */
00043   /* GPIO_InitStructure.Pin = GPIO_PIN_All; */
00044   /* GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; */
00045   /* GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW; */
00046   /* GPIO_InitStructure.Pull = GPIO_NOPULL; */
00047   /* HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); */
00048   /* HAL_GPIO_Init(GPIOH, &GPIO_InitStructure); */
00049   /* __HAL_RCC_GPIOC_CLK_DISABLE(); */
00050   /* __HAL_RCC_GPIOH_CLK_DISABLE(); */
00051   /* __HAL_RCC_USB_CLK_DISABLE(); */
00052   /* __HAL_RCC_ADC_CLK_DISABLE(); */
00053   /* __HAL_RCC_USART1_CLK_DISABLE(); */
00054   /* __HAL_RCC_USART2_CLK_DISABLE(); */
00055   /* __HAL_RCC_LPUART1_CLK_DISABLE(); */
00056   wait_ms( 2000 );
00057   /* wait_ms(3000); */
00058   /* HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN5); */
00059   /* //pc.printf("1\r\n"); */
00060 
00061   /* /1* Enable the fast wake up from Ultra low power mode *1/ */
00062   /* /1* HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); *1/ */
00063   /* /1* HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); *1/ */
00064   /* /1* __HAL_RCC_GPIOA_CLK_DISABLE(); *1/ */
00065   /* /1* __HAL_RCC_GPIOB_CLK_DISABLE(); *1/ */
00066   /* for(int i = 0; i < 13; ++i){ */
00067   /*     Thread::wait(1); */
00068   /*     HAL_GPIO_DeInit(GPIOA,i); */
00069   /*     HAL_GPIO_DeInit(GPIOB,i); */
00070   /*     HAL_GPIO_DeInit(GPIOC,i); */
00071   /*     HAL_GPIO_DeInit(GPIOH,i); */
00072   /* } */
00073   /* int j = 0; */
00074   /* HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); */
00075   /* HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); */
00076   /* Thread::wait(5000); */
00077   /* GPIO_InitStructure.Pin = GPIO_PIN_All; */
00078   /* GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; */
00079   /* GPIO_InitStructure.Pull = GPIO_NOPULL; */
00080   /* HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); */
00081   /* HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); */
00082 
00083   /* Timer t; */
00084   while( 1 ) {
00085     if( sleepyTime ) {
00086       led = 0;
00087       /* HAL_PWR_EnterSTANDBYMode(); */
00088       HAL_PWREx_EnterSTOP0Mode( PWR_STOPENTRY_WFI );
00089       HAL_RCC_GetSysClockFreq();
00090       wait_ms( 50 );
00091       sleepyTime = false;
00092     };
00093 
00094     wait_ms( 1000 );
00095 
00096     /* event.rise(&pressed); */
00097     /* if ((go_to_sleep == 0) || (go_to_sleep == 2)) { */
00098     /*     printf("%d: Running\n", i); */
00099     /*     myled = !myled; */
00100     /*     wait(1.0); */
00101     /* } */
00102     led = 1;
00103 
00104     wait_ms( 100 );
00105 
00106     led = 0;
00107 
00108     /* deepsleep(); */
00109     /* if (go_to_sleep == 1) { */
00110     /*     myled = 0; */
00111     /*     printf("%d: Entering sleep (press user button to resume)\n", i); */
00112     /*     sleep(); */
00113     /* } */
00114     /* if (go_to_sleep == 3) { */
00115     /*     myled = 0; */
00116     /*     printf("%d: Entering deepsleep (press user button to resume)\n", i); */
00117     /*     deepsleep(); */
00118     /* } */
00119     /* t.reset(); */
00120     /* t.start(); */
00121     /* led = !led; */
00122     /* j=0; */
00123     /* while(j < 100000) { */
00124     /*     j = j + 1; */
00125     /* } */
00126     /* t.stop(); */
00127     /* led = !led; */
00128     /* led = !led; */
00129     /* HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); */
00130     /* HAL_GPIO_Init(GPIOD, &GPIO_InitStructure); */
00131     /* HAL_GPIO_Init(GPIOH, &GPIO_InitStructure); */
00132     /* Thread::wait(500); */
00133   }
00134 }