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- #include "lorawan.h"
- #include "USARTSetup.h"
- #include <stdarg.h>
- #include <string.h>
- #include <stdio.h>
- #include "stm32f10x_dma.h"
- uint8_t Recive_lorawanID_flag=0; //接收LORAWAN ID号
- uint16_t send_cont=0; //数据发送次数
- uint8_t init_sent=0; //初始化顺序完成次数
- uint8_t lorawan_init_flag=0;//lorawan初始化完成标志
- uint8_t lorawan_send_data_flag=0;////数据发送标志
- extern uint8_t lorawan_overtime_flag;
- extern uint16_t lorawan_overtime;
- extern uint8_t lorawan_send_finish_flag; //数据发送完成标志
- extern uint8_t lorawan_time_5sflag; //5秒时间标志
- extern uint16_t lorawan_time_5s; //5s时间,发送数据后，收不到发送完成标志，延时3s进入睡眠模式
- extern uint8_t lorawan_to_sleep; //lorawan模块进入睡眠标志
- /*int fputc(int ch, FILE *f)
- {
- USART_SendData(USART1, (unsigned char) ch);// USART1 可以换成 USART2 等
- while (!(USART1->SR & USART_FLAG_TXE));
- return (ch);
- }*/
- /**************************
- 函数名：void delay(unsigned int a)
- 函数功能： 1ms延时函数
- 输入变量： a 代表几ms
- 输出变量： 无
- ***************************/
- void LoraNode_Delay(uint32_t a) //ms延时函数
- {
- unsigned int i,j;
- for(j=0;j<a;j++)
- {
- for(i=0;i<1500;i++);
- }
- }
- void LoraNode_GPIO_Init(void)
- {
- GPIO_InitTypeDef GPIO_InitStruct;
- /* enable clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
- /* gpio config */
- GPIO_InitStruct.GPIO_Pin = LORANODE_WAKE_PIN|LORANODE_MODE_PIN;
- GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
- //GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- GPIO_InitStruct.GPIO_Pin = LORANODE_NRST_PIN;
- GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
- //GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOA, &GPIO_InitStruct);
- GPIO_InitStruct.GPIO_Pin = LORANODE_STAT_PIN;
- //GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPD; //下拉输入
- //GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- GPIO_InitStruct.GPIO_Pin = LORANODE_BUSY_PIN;
- GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- //GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOB, &GPIO_InitStruct);
- }
- void LoraNode_Init_Mode(LoraNode_Mode_T mode)
- {
-
- //LoraNode_Wake_Sleep(MODE_WAKEUP);
- LoraNode_Reset();
-
-
- }
- //----------------------------------------------------------------------
- // @funtion: set the lorawan module mode, wakeup or sleep mode
- // @paramters: MODE_WAKEUP, or MODE_SLEEP
- // @return: void
- //-------------------------------------------------------------------
- void LoraNode_Wake_Sleep(LoraNode_SleepMode_T mode)
- {
- if (mode == MODE_WAKEUP)
- {
- // wake signal, high for module wakeup, low for module sleep
- if (GPIO_ReadOutputDataBit(LORANODE_WAKE_GPIO_PORT,LORANODE_WAKE_PIN) != Bit_SET)
- {
- // wake module first, and wait 10 ms
- LORANODE_WAKE_HIGH();
- LoraNode_Delay(20);
- }
- }
-
- if (mode == MODE_SLEEP)
- {
- if (GPIO_ReadOutputDataBit(LORANODE_WAKE_GPIO_PORT,LORANODE_WAKE_PIN) != Bit_RESET)
- {
- LORANODE_WAKE_LOW();
- }
- }
- }
- static void LoraNode_Reset(void)
- {
- LORANODE_NRST_LOW();
-
- LoraNode_Delay(300); //15ms
-
- LORANODE_NRST_HIGH();
- }
- void transparent_send_data(uint8_t *DataBuf, uint32_t xmitLen)
- {
-
- //----唤醒模块 ----
- LoraNode_Wake_Sleep(MODE_WAKEUP);
- LoraNode_Delay(100);
-
- USART2Send(DataBuf, xmitLen);
- send_cont++;
- lorawan_send_data_flag=1; //数据发送标志
- lorawan_time_5s=0; //发送数据后，开始计时
- lorawan_time_5sflag=0; //5s定时晚上
-
- lorawan_overtime_flag=0; //清除超时标志
- lorawan_overtime=2000; //重新赋值超时寄存器,2s超时
- }
- //-----------------
- //数据发送后，判断lorawan模块是否发送完成，完成就进入睡眠模式，
- //收不到完成标志，为降低功耗，最多延时5s进入睡眠模式
- //------------------
- void lorawan_Sleep(void)
- {
- if(lorawan_send_data_flag != 1)
- return;
- //if((lorawan_send_finish_flag == 1) || (lorawan_time_5sflag == 1))
- if((lorawan_to_sleep == 1) && (lorawan_time_5sflag == 1))
- {
- lorawan_to_sleep=0;
- lorawan_send_finish_flag=0;
- LoraNode_Wake_Sleep(MODE_SLEEP);
- lorawan_send_data_flag=0; //进入睡眠后，清除发送标志
- lorawan_time_5sflag=0; //进入睡眠后，清除5s标志
- lorawan_time_5s=0; //进入睡眠后，清除5s倒计时寄存器
- }
- }
- /* Over-the-Air Activation */
- void LoraNode_OTAA_Config(void)
- {
- LoraNode_Init_Mode(MODE_CMD);
-
- }
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