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Changing interrupt priorities

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This commit is contained in:
Andy CA6JAU 2017-02-12 16:23:44 -03:00
parent ee01691dc4
commit ace3e75c09
2 changed files with 15 additions and 9 deletions
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6
IOSTM.cpp
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@ -135,7 +135,7 @@ void CIO::Init()
RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
EXTI_InitTypeDef EXTI_InitStructure;
@ -283,8 +283,8 @@ void CIO::startInt()
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
#endif
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 15;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}

18
SerialSTM.cpp
View file

@ -174,8 +174,8 @@ void InitUSART1(int speed)
// USART IRQ init
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 15;
NVIC_Init(&NVIC_InitStructure);
// Configure USART as alternate function
@ -238,6 +238,11 @@ void WriteUSART1(const uint8_t* data, uint16_t length)
#endif
#if defined(SERIAL_REPEATER)
extern "C" {
void USART2_IRQHandler();
}
/* ************* USART2 ***************** */
volatile uint32_t intcount2;
@ -312,7 +317,8 @@ uint8_t TXSerialfifoput2(uint8_t next)
void USART2_IRQHandler()
{
uint8_t c;
io.DEB_pin(HIGH);
if (USART_GetITStatus(USART2, USART_IT_RXNE)) {
c = (uint8_t) USART_ReceiveData(USART2);
@ -363,8 +369,8 @@ void InitUSART2(int speed)
// USART IRQ init
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 15;
NVIC_Init(&NVIC_InitStructure);
// Configure USART as alternate function
@ -374,7 +380,7 @@ void InitUSART2(int speed)
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; // Rx
GPIO_Init(GPIOA, &GPIO_InitStructure);