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器件型号：TMS320F2800157 主题中讨论的其他器件：C2000WARE
大家好、
以下是客户可能需要您的帮助的问题：
当我在 F2800157中设置 LIN 配置时、我发送主机在周期内、但它从不触发 Rx 中断、我测试 Rx 引脚、它在引脚中有数据 、并且引脚多路复用器对于 LINA_RX 为 GPIO29、对于 LINA_TX 为 GPIO28、我的 LIN 初始配置如下：
#define SCI_ADDR 0x6A00
GPIO_setPinConfig(GPIO_28_LINA_TX);
GPIO_setPinConfig(GPIO_29_LINA_RX);
LIN_disableModule(SCI_ADDR);//disable tx and rx function, disable lin
LIN_enableModule(SCI_ADDR);//enable tx and rx function, enable lin
LIN_enterSoftwareReset(SCI_ADDR);//The SCI/LIN should only be configured while SWnRST = 0.
LIN_disableSCIMode(SCI_ADDR);//LIN mode is enabled
LIN_setLINMode(SCI_ADDR, LIN_MODE_LIN_RESPONDER);//Set LIN mode to Master
LIN_disableAutomaticBaudrate(SCI_ADDR);//Enable Fixed baud rate mode,disable autobaud
LIN_setCommMode(SCI_ADDR, LIN_COMM_LIN_USELENGTHVAL);
LIN_setDebugSuspendMode(SCI_ADDR, LIN_DEBUG_FROZEN);
LIN_setChecksumType(SCI_ADDR, LIN_CHECKSUM_ENHANCED);
LIN_setMessageFiltering(SCI_ADDR, LIN_MSG_FILTER_IDRESPONDER);
LIN_disableIntLoopback(SCI_ADDR);
LIN_enableMultibufferMode(SCI_ADDR);
LIN_enableParity(SCI_ADDR);
LIN_enableDataTransmitter(SCI_ADDR);
LIN_enableDataReceiver(SCI_ADDR);
LIN_disableInterrupt(SCI_ADDR, LIN_INT_ALL);
divider=(MCU_BUS_FREQ/LIN_BAUD_RATE)/16 - 1; //100M:324 120M:389
LIN_setBaudRatePrescaler(SCI_ADDR, divider, 10); //(SYSCLOCK) / ((P + 1 + M/16) * 16) = Bitrate
LIN_setMaximumBaudRate(SCI_ADDR, 120000000U); //(100000000U) / ((324 + 1 + 8/16) * 16) = 19201
//(120000000U) / ((389 + 1 + 10/16) * 16) = 19200
LIN_setSyncFields(SCI_ADDR, 0U, 0U);
LIN_setTxMask(SCI_ADDR, 0xFFU);
LIN_setRxMask(SCI_ADDR, 0xFFU);
LIN_setIDResponderTask(SCI_ADDR,0xD6);
LIN_disableExtLoopback(SCI_ADDR);
LIN_enableInterrupt(SCI_ADDR, (LIN_INT_ID|LIN_INT_RX|LIN_INT_PE|LIN_INT_FE|LIN_INT_ISFE|LIN_INT_BE|LIN_INT_PBE));
LIN_exitSoftwareReset(SCI_ADDR);
EDIS;
LIN_setInterruptLevel0(SCI_ADDR, LIN_INT_ALL);
LIN_enableGlobalInterrupt(SCI_ADDR, LIN_INTERRUPT_LINE0);
LIN_clearGlobalInterruptStatus(SCI_ADDR, LIN_INTERRUPT_LINE0);
Interrupt_register(lin_interrupt_index[0], &lin_interrupt);
Interrupt_enable(lin_interrupt_index[0]);//lin_interrupt_index[0] #define INT_LINA_0 0x004C0605U // 6.5 - LINA_0 Interrupt
代码是否有任何故障？
--
谢谢、此致
耶鲁
