stm32單片機驅動lora模塊sx1278技術資料
開發環境 keil5
子設備讀取Ds18b20數據，通過iic顯示到OLED 屏幕上，同時用spi協議發送給lora，再傳給網關。
網關接收到數據在OLED 屏幕上顯示。
單片機源碼:
- #include "stdio.h"
- #include "DELAY/Delay.h"
- #include "UART/uart.h"
- #include "ADC/ADC.h"
- #include "LED/LED.h"
- #include "IIC/IIC.h"
- #include "OLED/OLED.h"
- #include "SPIx/SPIx.h"
- #include "SX1278/SX1278.h"
- #define ALARM 22
- int main(void)
- {
- u8 i = 0;
- int temper = 0;
- unsigned char rx[20];
- /*初始化各外設*/
- initSysTick();
- initADC();
- initUART(); //波特率9600
- initLED();
- initIIC();
- initOLED();
- initSPIx(SPI2);
- initSX1278();
- formatScreen(0x00);
- for(i=0;i<=128;i+=2)
- {
- showImage(0,0,i,8,LORA_LOGO);
- }
- formatScreen(0x00);
- while (1)
- {
- receivePackets(&rx[0]);
- temper = (int)(rx[11]-'0')*10 + (int)(rx[12]-'0');
- printf("%s\n",rx);
- printf("%d\n", temper);
- showString(0,1,rx,FONT_16_EN);
- if(temper < ALARM)
- {
- showString(35,4,"NORMAL",FONT_16_EN);
- }else{
- showString(35,4,"ALARM!",FONT_16_EN);
- }
- toggleLED();
- Delay_ms(500);
- }
- }
Child_device.7z
(202.7 KB, 下載次數: 280)
2019-3-11 01:58 上傳
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子設備代碼
Gateway.7z
(199.16 KB, 下載次數: 214)
2019-3-11 01:58 上傳
點擊文件名下載附件
網關代碼
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