/**
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1
* prescalers.
* @param None
* @retval None
*/
void SetSysClock(void)
{
/* The System clock configuration functions defined below assume that:
- For Low, Medium and High density devices an external 8MHz crystal is
used to drive the System clock.
- For Connectivity line devices an external 25MHz crystal is used to drive
the System clock.
If you are using different crystal you have to adapt those functions accordingly.*/
#if defined SYSCLK_HSE
SetSysClockToHSE();
#elif defined SYSCLK_FREQ_24MHz
SetSysClockTo24();
#elif defined SYSCLK_FREQ_36MHz
SetSysClockTo36();
#elif defined SYSCLK_FREQ_48MHz
SetSysClockTo48();
#elif defined SYSCLK_FREQ_56MHz
SetSysClockTo56();
#elif defined SYSCLK_FREQ_72MHz
SetSysClockTo72();
#endif
/* If none of the define above is enabled, the HSI is used as System clock
source (default after reset) */
}
/**
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1
* prescalers.
* @param None.
* @arg None.
* @note : None.
* @retval value: None.
*/
static void SetSysClock(void) {
#ifdef SYSCLK_FREQ_HSE
SetSysClockToHSE();
#elif defined SYSCLK_FREQ_20MHz
SetSysClockTo20();
#elif defined SYSCLK_FREQ_36MHz
SetSysClockTo36();
#elif defined SYSCLK_FREQ_48MHz
SetSysClockTo48();
#elif defined SYSCLK_FREQ_56MHz
SetSysClockTo56();
#elif defined SYSCLK_FREQ_72MHz
SetSysClockTo72();
#endif
/*!< If none of the define above is enabled, the HSI is used as System clock
source (default after reset) */
}
/**
* @brief Setup STM32 system (clocks, Ethernet, GPIO, NVIC) and STM3210C-EVAL resources.
* @param None
* @retval None
*/
void System_Setup(void)
{
/* Reset the RCC clock configuration to the default reset state(for debug purpose) */
/* Set HSION bit */
RCC->CR |= (uint32_t)0x00000001;
/* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */
RCC->CFGR &= (uint32_t)0xF0FF0000;
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= (uint32_t)0xFEF6FFFF;
/* Reset HSEBYP bit */
RCC->CR &= (uint32_t)0xFFFBFFFF;
/* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */
RCC->CFGR &= (uint32_t)0xFF80FFFF;
/* Reset PLL2ON and PLL3ON bits */
RCC->CR &= (uint32_t)0xEBFFFFFF;
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x00FF0000;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000;
SetSysClockTo72();
//SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH. */
RCC_ClocksTypeDef RCC_Clocks;
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* Enable USART2 clock */
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
/* Enable ETHERNET clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ETH_MAC | RCC_AHBPeriph_ETH_MAC_Tx |
RCC_AHBPeriph_ETH_MAC_Rx, ENABLE);
/* Enable GPIOs and ADC1 clocks */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC |
RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO, ENABLE);
/* Configure the GPIO ports */
GPIO_Configuration();
#ifdef USE_LCD
/* Initialize the STM3210C-EVAL's LCD */
STM3210C_LCD_Init();
#endif
// /* Initialize STM3210C-EVAL's LEDs */
// STM_EVAL_LEDInit(LED1);
// STM_EVAL_LEDInit(LED2);
// STM_EVAL_LEDInit(LED3);
// STM_EVAL_LEDInit(LED4);
//
// /* Turn on leds available on STM3210X-EVAL */
// STM_EVAL_LEDOn(LED1);
// STM_EVAL_LEDOn(LED2);
// STM_EVAL_LEDOn(LED3);
// STM_EVAL_LEDOn(LED4);
#ifdef USE_LCD
/* Clear the LCD */
LCD_Clear(Black);
/* Set the LCD Back Color */
LCD_SetBackColor(Black);
/* Set the LCD Text Color */
LCD_SetTextColor(White);
/* Display message on the LCD*/
LCD_DisplayStringLine(Line0, MESSAGE1);
LCD_DisplayStringLine(Line1, MESSAGE2);
LCD_DisplayStringLine(Line2, MESSAGE3);
LCD_DisplayStringLine(Line3, MESSAGE4);
#endif
/* SystTick configuration: an interrupt every 10ms */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
/* Configure the Key button */
//STM_EVAL_PBInit(Button_KEY, Mode_GPIO);
}
