介绍双极电机技术文档,附带驱动源码 附:void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup) { /* Check the parameters */ assert_param(IS_NVIC_PRIORITY_GROUP(NVIC_PriorityGroup)); /* Set the PRIGROUP[10:8] bits according to NVIC_PriorityGroup value */ SCB->AIRCR = AIRCR_VECTKEY_MASK | NVIC_PriorityGrou