// Copyright 2021 IOsetting // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "fw_hal.h" INTERRUPT(Timer2_Routine, EXTI_VectTimer2) { UART1_TxString("hello\r\n"); } void main(void) { SYS_SetClock(); // UART1 configuration: baud 115200 with Timer1, 1T mode, no interrupt UART1_Config8bitUart(UART1_BaudSource_Timer1, HAL_State_ON, 115200); // 12T mode, prescaler:255+1, frequency: 1, interrupt: ON TIM_Timer2_Config(HAL_State_OFF, 0xFF, 1); EXTI_Timer2_SetIntState(HAL_State_ON); EXTI_Global_SetIntState(HAL_State_ON); TIM_Timer2_SetRunState(HAL_State_ON); while(1); }