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added sending unconfirmed message for RHF76

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1. added AT+ command "AT+MSGHEX" and change previous RHF76_ATCMD_FMT_SEND_MSGHEX to RHF76_ATCMD_FMT_SEND_CMSGHEX

2. implement send_unconfirmed with a non-breaking approach: added int (*send_unconfirmed)(const void *buf, size_t len); event handle in lora_module_st; added int tos_lora_module_send_unconfirmed(const void *buf, size_t len); in lora_module_wrapper.c; and implement static int rhf76_send_unconfirmed(const void *buf, size_t len) in RHF76.c

3. added { "+MSGHEX: PORT:", rhf76_incoming_data_process } in event array rhf76_at_event so that the device is able to process the downlink data when it is configurated to send unconfirmed message.

4. added AT+ command "AT+REPT", and implement the static int rhf76_set_repeat(uint8_t num) to enable user to set repeat times (1-15) while using "unconfirmed message"

5. updated the instructions of implemeting up-link parser and downlink parser on the server in the file "..\board\NUCLEO_STM32L073RZ\BSP\Src\lora_demo.c"
This commit is contained in:
Winfred LIN
2020-04-01 18:47:45 +11:00
parent eb6ffc8e95
commit cafe9c8a87
5 changed files with 127 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
board/NUCLEO_STM32L073RZ/BSP/Src/lora_demo.c
View File

@@ -1,8 +1,8 @@
#include "lora_demo.h"
#include "RHF76.h"
#include <Math.h>
#include "bsp.h"
#include <stdbool.h>
#include <Math.h>
/*
==================================================================================
@@ -19,11 +19,43 @@
step: 1
unit: %
property pressure pressure integer read-write range: [259, 1260]
initial: 260
step: 1
unit: hPa
property magnFullscale magnFullscale integer read-write range: [4, 16]
initial: 4
step: 1
unit: guass
property magn_x magn_x float read-write range: [-16, 16]
initial: 0
step: 1
unit: guass
property magn_y magn_y float read-write range: [-16, 16]
initial: 0
step: 1
unit: guass
property magn_z magn_z float read-write range: [-16, 16]
initial: 0
step: 1
unit: guass
property altitude altitude float read-write range: [-1000, 10000]
initial: 0
step: 1
unit: m
property isconfirmed isconfirmed bool read-write 0: confirmed message
1: unconfirmed message
property report_period period integer read-write range: [0, 3600]
initial: 0
step: 1
unit: second
==================================================================================
up-link parser javascript:
@@ -87,7 +119,7 @@
*/
uint16_t report_period = 10;
bool isconfirmed = false;
bool is_confirmed = true;
typedef struct device_data_st {
uint8_t magn_fullscale; // fullscale of magnetometer(RW)
@@ -126,7 +158,7 @@ void recv_callback(uint8_t *data, uint8_t len)
} else if (len >= 2) {
report_period = data[0] | (data[1] << 8);
LIS3MDL_Set_FullScale((LIS3MDL_FullScaleTypeDef)data[2]);
isconfirmed = (bool)data[3];
is_confirmed = (bool)data[3];
}
}
@@ -175,7 +207,12 @@ void application_entry(void *arg)
dev_data_wrapper.u.dev_data.pressure = (uint32_t)(sensor_data.sensor_press.pressure);
dev_data_wrapper.u.dev_data.period = report_period;
// send data to the server (via gateway)
if(is_confirmed){
tos_lora_module_send(dev_data_wrapper.u.serialize, sizeof(dev_data_t));
}else{
tos_lora_module_send_unconfirmed(dev_data_wrapper.u.serialize, sizeof(dev_data_t));
}
tos_task_delay(report_period * 1000);
}
}

54
devices/rhf76_lora/RHF76.c
View File

@@ -154,6 +154,26 @@ static int rhf76_set_chanel(void)
return -1;
}
static int rhf76_set_repeat(uint8_t num)
{
int try = 0;
at_echo_t echo;
char cmd[14] = {0};
char expect[10] = {'\0'};
snprintf(cmd, sizeof(cmd), RHF76_ATCMD_SET_REPT, num);
snprintf(expect, sizeof(expect), "+REPT: %d", num);
tos_at_echo_create(&echo, NULL, 0, expect);
while (try++ < 10) {
tos_at_cmd_exec(&echo, 3000, cmd);
if (echo.status == AT_ECHO_STATUS_OK || echo.status == AT_ECHO_STATUS_EXPECT) {
return 0;
}
}
return -1;
}
static int rhf76_set_adr_off(void)
{
int try = 0;
@@ -305,6 +325,11 @@ static int rhf76_init(void)
return -1;
}
if(rhf76_set_repeat(1)!=0){
printf("rhf76 set repeat times for unconfirmed message FAILED\n");
return -1;
}
at_delay_ms(2000);
printf("Init RHF76 LoRa done\n");
@@ -377,6 +402,7 @@ __STATIC__ void rhf76_incoming_data_process(void)
at_event_t rhf76_at_event[] = {
{ "+CMSGHEX: PORT:", rhf76_incoming_data_process },
{ "+MSGHEX: PORT:", rhf76_incoming_data_process }
};
static char __num2hex(uint8_t num)
@@ -405,7 +431,6 @@ static void __hex2str(uint8_t *in, char *out, int len)
static int rhf76_send(const void *buf, size_t len)
{
char *str_buf = NULL;
str_buf = tos_mmheap_calloc(2 * len + 1, sizeof(char));
@@ -416,7 +441,7 @@ static int rhf76_send(const void *buf, size_t len)
char cmd[100] = {0};
at_echo_t echo;
snprintf(cmd, sizeof(cmd), RHF76_ATCMD_FMT_SEND_MSGHEX, str_buf);
snprintf(cmd, sizeof(cmd), RHF76_ATCMD_FMT_SEND_CMSGHEX, str_buf);
cmd[sizeof(cmd) - 1] = '\0';
tos_mmheap_free(str_buf);
tos_at_echo_create(&echo, NULL, 0, "+CMSG: ACK Received");
@@ -427,6 +452,30 @@ static int rhf76_send(const void *buf, size_t len)
return len;
}
static int rhf76_send_unconfirmed(const void *buf, size_t len)
{
char *str_buf = NULL;
at_echo_t echo;
str_buf = tos_mmheap_calloc(2 * len + 1, sizeof(char));
if (!str_buf) {
return -1;
}
__hex2str((uint8_t *)buf, str_buf, len);
char cmd[100] = {0};
snprintf(cmd, sizeof(cmd), RHF76_ATCMD_FMT_SEND_MSGHEX, str_buf);
cmd[sizeof(cmd) - 1] = '\0';
tos_mmheap_free(str_buf);
tos_at_echo_create(&echo, NULL, 0, "+MSGHEX: Done");
tos_at_cmd_exec(&echo, 6000, cmd);
if (echo.status == AT_ECHO_STATUS_OK || echo.status == AT_ECHO_STATUS_EXPECT) {
return -1;
}
return len;
}
static int rhf76_close(void)
{
return 0;
@@ -437,6 +486,7 @@ lora_module_t lora_module_rhf76 = {
.join_otaa = rhf76_join_otaa,
.join_abp = rhf76_join_abp,
.send = rhf76_send,
.send_unconfirmed = rhf76_send_unconfirmed,
.close = rhf76_close,
.recv_callback = K_NULL,
};

5
devices/rhf76_lora/RHF76.h
View File

@@ -65,7 +65,10 @@ typedef enum lora_key_type {
#define RHF76_ATCMD_FMT_SET_KEY_TYPE_APPKEY "AT+KEY=\"appkey\",%s\r\n"
#define RHF76_ATCMD_FMT_SET_KEY_TYPE_APPSKEY "AT+KEY=\"appskey\",%s\r\n"
#define RHF76_ATCMD_FMT_SET_KEY_TYPE_NWKSKEY "AT+KEY=\"nwkskey\",%s\r\n"
#define RHF76_ATCMD_FMT_SEND_MSGHEX "AT+CMSGHEX=\"%s\"\r\n"
#define RHF76_ATCMD_FMT_SEND_CMSGHEX "AT+CMSGHEX=\"%s\"\r\n"
#define RHF76_ATCMD_FMT_SEND_MSGHEX "AT+MSGHEX=\"%s\"\r\n"
#define RHF76_ATCMD_SET_REPT "AT+REPT=%d\r\n"
#define RHF76_ATCMD_SET_BAND_CN470 "AT+DR=CN470\r\n"
#define RHF76_ATCMD_REPLY_BAND_CN470 "+DR: CN470"

8
net/lora_module_wrapper/lora_module_wrapper.c
View File

@@ -44,6 +44,14 @@ int tos_lora_module_send(const void *buf, size_t len)
return -1;
}
int tos_lora_module_send_unconfirmed(const void *buf, size_t len)
{
if (g_lora_module && g_lora_module->send_unconfirmed) {
return g_lora_module->send_unconfirmed(buf, len);
}
return -1;
}
int tos_lora_module_recvcb_register(lora_recv_callback_t recv_callback)
{
if (g_lora_module) {

14
net/lora_module_wrapper/lora_module_wrapper.h
View File

@@ -32,6 +32,8 @@ typedef struct lora_module_st {
int (*send)(const void *buf, size_t len);
int (*send_unconfirmed)(const void *buf, size_t len);
int (*close)(void);
lora_recv_callback_t recv_callback;
@@ -87,6 +89,18 @@ int tos_lora_module_join_abp(const char *deveui, const char *devaddr, const char
*/
int tos_lora_module_send(const void *buf, size_t len);
/**
* @brief Send unconfirmed data (message) by lora module.
*
* @attention None
*
* @param[in] buf data to send
* @param[in] len length of the data
*
* @return errcode
*/
int tos_lora_module_send_unconfirmed(const void *buf, size_t len);
/**
* @brief Register a Receive callback method by lora module.
*