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