41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
// Copyright 2021 IOsetting <iosetting(at)outlook.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "fw_hal.h"
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static uint8_t counter = 0;
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INTERRUPT(Timer2_Routine, EXTI_VectTimer2)
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{
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counter++;
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if (counter == 5)
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{
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counter = 0;
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UART1_TxString("hello\r\n");
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}
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}
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void main(void)
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{
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SYS_SetClock();
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// UART1 configuration: baud 115200 with Timer1, 1T mode, no interrupt
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UART1_ConfigMode1Dyn8bitUart(UART1_BaudSource_Timer1, HAL_State_ON, 115200);
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// 1T mode, prescaler:255+1, frequency: 5, interrupt: ON
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TIM_Timer2_Config(HAL_State_ON, 0xFF, 5);
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EXTI_Timer2_SetIntState(HAL_State_ON);
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EXTI_Global_SetIntState(HAL_State_ON);
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TIM_Timer2_SetRunState(HAL_State_ON);
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while(1);
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} |