/**
* @brief Restore peripheral config before entering STOP mode.
* @param None
* @retval None
*/
static void RestoreConfiguration(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
/* SYSCLK, HCLK, PCLK configuration ----------------------------------------*/
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready and if Time out is reached exit */
HSEStatus = RCC_WaitForHSEStartUp();
if (HSEStatus == (uint32_t)0x01)
{
/* Enable Prefetch Buffer */
FLASH_SetLatency(FLASH_Latency_1);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK = HCLK */
RCC_PCLKConfig(RCC_HCLK_Div1);
/* PLL configuration: = HSE * 6 = 48 MHz */
RCC_PREDIV1Config(RCC_PREDIV1_Div1);
RCC_PLLConfig(RCC_PLLSource_PREDIV1, RCC_CFGR_PLLMULL6);
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
}
}
void Clock_Setup(void){
FLASH_SetLatency(FLASH_Latency_1);
RCC_PLLConfig(RCC_PLLSource_HSI_Div2, RCC_PLLMul_9);
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) {}
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_PCLKConfig(RCC_HCLK_Div1);
//GPIO clock
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC, ENABLE);
//SPI clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
//I2C clock
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);
//USART clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
}
void RCC_Config(void)
{
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON); //Включим внешний генератор
while (SUCCESS != RCC_WaitForHSEStartUp()); //Подождем запуска генератора
RCC_PLLCmd(DISABLE);
RCC_PLLConfig(RCC_PLLSource_PREDIV1,RCC_PLLMul_12); //Вход ПЛЛ внешний генератор умножим на 12
RCC_PLLCmd(ENABLE);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); //Системное тактирование от ПЛЛ
RCC_HCLKConfig(RCC_SYSCLK_Div1); //Тактирование AHB с делением 1
RCC_PCLKConfig(RCC_HCLK_Div8); //Тактирование переферии с делением 8
RCC_ADCCLKConfig(RCC_ADCCLK_PCLK_Div2); //Тактирование АЦП
RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK); //Тактируем шину I2C от системного тактирования
RCC_USARTCLKConfig(RCC_USART1CLK_PCLK); //Тактируем UART от шини переферии
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA + RCC_AHBPeriph_GPIOB,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1 + RCC_APB2Periph_USART1 + RCC_APB2Periph_TIM1 + RCC_APB2Periph_TIM15, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM14, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
#ifdef MCO_ENABLE
GPIOA_Struct_init.GPIO_Pin = GPIO_Pin_8;
GPIOA_Struct_init.GPIO_Mode = GPIO_Mode_AF;
GPIOA_Struct_init.GPIO_Speed = GPIO_Speed_Level_2;
GPIOA_Struct_init.GPIO_OType = GPIO_OType_PP;
GPIO_Init(GPIOA,&GPIOA_Struct_init);
RCC_MCOConfig(RCC_MCOSource_SYSCLK);
while (1);
#else
RCC_MCOConfig(RCC_MCOSource_NoClock);
#endif /*MCO_ENABLE */
};
int main(void)
{
uint32_t x = 0;
uint32_t y = 0;
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON);
if(RCC_WaitForHSEStartUp() == SUCCESS)
{
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_PCLKConfig(RCC_HCLK_Div1);
RCC_PLLConfig(RCC_PLLSource_PREDIV1, RCC_PLLMul_8);
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
}
generator_init();
generator_start();
delay_init();
lcd_init();
lcd_clear();
lcd_dma_start();
for (x=0;x<50;x++) {
while (lcd_is_busy());
lcd_noise();
lcd_dma_start();
}
while (lcd_is_busy());
for (x=0;x<patternWidthPages*patternHeightPixels;x++)
lcd_buf[x] = patternBitmaps[x];
print(1,0,"PLEASE",6);
print(0,7,"STAND_BY",8);
while (lcd_is_busy());
lcd_dma_start();
delay_ms(20000);
for (x=0;x<patternWidthPages*patternHeightPixels;x++)
lcd_buf[x] = patternBitmaps[x];
for (x=9;x>0;x--) {
putchar_big(3,3,'0'+x);
while (lcd_is_busy());
lcd_dma_start();
delay_ms(3000);
}
lcd_clear();
print(1,1,"URGENT",6);
print(0,6,"MESSAGE!",8);
while (lcd_is_busy());
lcd_dma_start();
delay_ms(3000);
scroll_text(MESSAGE);
delay_ms(3000);
lcd_clear();
print(1,1,"THAT'S",6);
print(3,3,"ALL",3);
print(1,5,"FOLKS!",6);
while (lcd_is_busy());
lcd_dma_start();
delay_ms(100000);
for (x=0;x<10000;x++) {
while (lcd_is_busy());
lcd_noise();
lcd_dma_start();
}
lcd_clear();
while (lcd_is_busy());
lcd_dma_start();
scroll_text(SECRET_MESSAGE);
while(1) //Infinite loop!
{
while (lcd_is_busy());
lcd_noise();
lcd_dma_start();
}
}
