53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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// 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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/***
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* Demo: DS18B20
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* Board: STC8H3K32
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*
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* P35 -> DQ
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* GND -> GND
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* 3.3V -> VCC
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*/
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#include "fw_hal.h"
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#include "ds18b20.h"
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uint16_t temp;
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int main(void)
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{
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uint16_t temperature;
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SYS_SetClock();
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// UART1, baud 115200, baud source Timer1, 1T mode, no interrupt
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UART1_Config8bitUart(UART1_BaudSource_Timer1, HAL_State_ON, 115200);
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DS18B20_Init();
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while(1)
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{
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DS18B20_StartAll();
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while (!DS18B20_AllDone())
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{
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UART1_TxChar('.');
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SYS_Delay(1);
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}
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temperature = DS18B20_ReadTemperature();
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UART1_TxHex(temperature >> 8);
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UART1_TxHex(temperature & 0xFF);
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UART1_TxString("\r\n");
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SYS_Delay(1000);
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}
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}
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