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685003 Топик полностью
Nikolay801_ (06.07.2016 10:21, просмотров: 305) ответил _Rookie_ на Блин, первый кан завелся без проблем, настройку второго делю по полной аналогии с первым.
у меня так NVIC_InitTypeDef NVIC_InitStructure = {0}; CAN_InitTypeDef CAN_InitStructure = {0}; CAN_FilterInitTypeDef CAN_FilterInitStructure = {0}; GPIO_InitTypeDef GPIO_InitStructure = {0}; NVIC_InitStructure.NVIC_IRQChannel = CAN1_RX0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = CAN2_RX0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); /* CAN GPIOs configuration **************************************************/ /* Connect CAN pins to AF9 */ GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_CAN1); GPIO_PinAFConfig(GPIOB, GPIO_PinSource9, GPIO_AF_CAN1); GPIO_PinAFConfig(GPIOB, GPIO_PinSource5, GPIO_AF_CAN2); GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_CAN2); //GPIO_PinAFConfig(GPIOB, GPIO_PinSource5, GPIO_AF_CAN2); //GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_CAN2); /* Configure CAN RX and TX pins */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_8 | GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_Init(GPIOB, &GPIO_InitStructure); /* CAN configuration ********************************************************/ /* Enable CAN clock */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN2, ENABLE); /* CAN register init */ CAN_DeInit(CAN1); CAN_DeInit(CAN2); CAN_StructInit(&CAN_InitStructure); /* CAN cell init */ CAN_InitStructure.CAN_TTCM = DISABLE; CAN_InitStructure.CAN_ABOM = ENABLE; CAN_InitStructure.CAN_AWUM = DISABLE; CAN_InitStructure.CAN_NART = DISABLE; CAN_InitStructure.CAN_RFLM = DISABLE; CAN_InitStructure.CAN_TXFP = DISABLE; CAN_InitStructure.CAN_Mode = CAN_Mode_Normal; CAN_InitStructure.CAN_SJW = CAN_SJW_4tq; /* CAN Baudrate = 1MBps (CAN clocked at 30 MHz) */ /* CAN_InitStructure.CAN_BS1 = CAN_BS1_6tq; CAN_InitStructure.CAN_BS2 = CAN_BS2_8tq; CAN_InitStructure.CAN_Prescaler = 2; */ CAN_InitStructure.CAN_BS1 = CAN_BS1_6tq; CAN_InitStructure.CAN_BS2 = CAN_BS2_5tq; CAN_InitStructure.CAN_Prescaler = 20; CAN_Init(CAN1, &CAN_InitStructure); CAN_Init(CAN2, &CAN_InitStructure); /* CAN filter init */ CAN_FilterInitStructure.CAN_FilterNumber = 0; CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdMask; CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit; CAN_FilterInitStructure.CAN_FilterIdHigh = 0x0000; CAN_FilterInitStructure.CAN_FilterIdLow = 0x0000; CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0x0000; CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x0000; CAN_FilterInitStructure.CAN_FilterFIFOAssignment = 0; CAN_FilterInitStructure.CAN_FilterActivation = ENABLE; CAN_FilterInit(&CAN_FilterInitStructure); CAN_SlaveStartBank(1); CAN_FilterInitStructure.CAN_FilterNumber = 1; CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdMask; CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit; CAN_FilterInitStructure.CAN_FilterIdHigh = 0x0000; CAN_FilterInitStructure.CAN_FilterIdLow = 0x0000; CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0x0000; CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x0000; CAN_FilterInitStructure.CAN_FilterFIFOAssignment = 0; CAN_FilterInitStructure.CAN_FilterActivation = ENABLE; CAN_FilterInit(&CAN_FilterInitStructure); /* Enable FIFO 0 message pending Interrupt */ CAN_ITConfig(CAN1, CAN_IT_FMP0, ENABLE); CAN_ITConfig(CAN2, CAN_IT_FMP0, ENABLE);
Будь ты проклят, Перри-Утконос!
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