static void prvSetupHardware(void)
{
ErrorStatus OSC4MStartUpStatus01;
/* ST provided routine. */
/* MRCC system reset */
MRCC_DeInit();
/* Wait for OSC4M start-up */
OSC4MStartUpStatus01 = MRCC_WaitForOSC4MStartUp();
if(OSC4MStartUpStatus01 == SUCCESS)
{
/* Set HCLK to 60MHz */
MRCC_HCLKConfig(MRCC_CKSYS_Div1);
/* Set CKTIM to 60MHz */
MRCC_CKTIMConfig(MRCC_HCLK_Div1);
/* Set PCLK to 30MHz */
MRCC_PCLKConfig(MRCC_CKTIM_Div2);
/* Enable Flash Burst mode */
CFG_FLASHBurstConfig(CFG_FLASHBurst_Enable);
/* Set CK_SYS to 60 MHz */
MRCC_CKSYSConfig(MRCC_CKSYS_OSC4MPLL, MRCC_PLL_Mul_15);
}
/* GPIO pins optimized for 3V3 operation */
MRCC_IOVoltageRangeConfig(MRCC_IOVoltageRange_3V3);
/* GPIO clock source enable */
MRCC_PeripheralClockConfig(MRCC_Peripheral_GPIO, ENABLE);
/* EXTIT clock source enable */
MRCC_PeripheralClockConfig(MRCC_Peripheral_EXTIT, ENABLE);
/* TB clock source enable */
MRCC_PeripheralClockConfig(MRCC_Peripheral_TB, ENABLE);
/* Initialize the demonstration menu */
LCD_Init();
LCD_DisplayString(Line1, "www.FreeRTOS.org", BlackText);
LCD_DisplayString(Line2, " STR750 Demo ", BlackText);
EIC_IRQCmd(ENABLE);
}
/*******************************************************************************
* Function Name : USB_Interrupts_Config
* Description : configure and enable the USB interrupt Lines
* Input : None.
* Return : None.
*******************************************************************************/
void USB_Interrupts_Config(void)
{
/* Enable and configure the priority of the USB_LP IRQ Channel*/
EIC_IRQInitStructure.EIC_IRQChannel = USB_LP_IRQChannel;
EIC_IRQInitStructure.EIC_IRQChannelPriority = 5;
EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE;
EIC_IRQInit(&EIC_IRQInitStructure);
/* Enable and configure the priority of the USB_HP IRQ Channel*/
EIC_IRQInitStructure.EIC_IRQChannel = USB_HP_IRQChannel;
EIC_IRQInitStructure.EIC_IRQChannelPriority = 7;
EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE;
EIC_IRQInit(&EIC_IRQInitStructure);
/* Enable the Interrupt controller to manage IRQ channel*/
EIC_IRQCmd(ENABLE);
}
//---------------------------------------------------------------------------------------
void TIM0_Config()
{
TIM_InitTypeDef TIM_InitStructure;
TIM_InitStructure.TIM_Mode = TIM_Mode_OCTiming;
TIM_InitStructure.TIM_Prescaler = 60 - 1;
TIM_InitStructure.TIM_ClockSource = TIM_ClockSource_Internal;
TIM_InitStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_InitStructure.TIM_Channel = TIM_Channel_2;
TIM_InitStructure.TIM_Period = 25 - 1;
TIM_Init(TIM0, &TIM_InitStructure);
TIM_ClearFlag(TIM0, TIM_FLAG_OC1 | TIM_FLAG_OC2 | TIM_FLAG_Update);
TIM_ITConfig(TIM0, TIM_IT_Update, ENABLE);
TIM_Cmd(TIM0, ENABLE);
EIC_IRQInitTypeDef EIC_IRQInitStructure;
EIC_IRQInitStructure.EIC_IRQChannel = TIM0_UP_IRQChannel;
EIC_IRQInitStructure.EIC_IRQChannelPriority = 1;
EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE;
EIC_IRQInit(&EIC_IRQInitStructure);
EIC_IRQCmd(ENABLE);
}
