/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* Enable the CPU Cache */
CPU_CACHE_Enable();
/* STM32F7xx HAL library initialization:
- Configure the Flash ART accelerator on ITCM interface
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Initialize Tamper push-button, will be used to trigger an interrupt each time it's pressed.
In the ISR the PLL source will be changed from HSI to HSE circularly */
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_EXTI);
/* Enable the PWR Clock */
__HAL_RCC_PWR_CLK_ENABLE();
/* Enable HSE oscillator and configure the PLL to reach the max system frequency (216 MHz)
when using HSE oscillator as PLL clock source. */
SystemClock_Config();
/* Output SYSCLK / 2 on MCO2 pin(PC.09) */
HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_2);
/* Since MFX is used, LED init is done after clock config */
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/* Toggle some leds in an infinite loop */
while (1)
{
/* check if user button has been pressed to switch clock config */
if(SwitchClock != RESET)
{
SwitchSystemClock();
}
/* Toggle LED1 */
BSP_LED_Toggle(LED1);
HAL_Delay(100);
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization: global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Enable HSI oscillator and configure the PLL to reach the max system frequency (180 MHz)
when using HSI oscillator as PLL clock source. */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/* Initialize User push-button, will be used to trigger an interrupt each time it's pressed.*/
/* In the ISR the PLL source will be changed from HSI to HSE circularly */
BSP_PB_Init(BUTTON_USER, BUTTON_MODE_EXTI);
/* Output SYSCLK / 2 on MCO1 pin(PA.08) */
HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_PLLCLK, RCC_MCODIV_2);
/* Toggle some leds in an infinite loop */
while (1)
{
/* check if user button has been pressed to switch clock config */
if(SwitchClock != RESET)
{
SwitchSystemClock();
}
/* Toggle LED1 */
BSP_LED_Toggle(LED1);
HAL_Delay(100);
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F0xx HAL library initialization:
- Configure the Flash prefetch
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Low Level Initialization
*/
HAL_Init();
/* Enable HSE oscillator and configure the PLL to reach the max system frequency (48 MHz)
when using HSE oscillator as PLL clock source. */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/* Initialize Tamper push-button, will be used to trigger an interrupt each time it's pressed.*/
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_EXTI);
/* Output SYSCLK on MCO1 pin(PA.08) */
HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_SYSCLK, RCC_MCODIV_1);
/* Toggle LED1 in an infinite loop */
while (1)
{
/* check if Tamper push-button has been pressed to switch clock config */
if(SwitchClock != RESET)
{
SwitchSystemClock();
}
/* Toggle LED1 */
BSP_LED_Toggle(LED1);
HAL_Delay(100);
}
}
