STM32WLE5系列之2-stm32wle5ccu6移植pingpong通信

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STMCU小助手发布时间：2022-10-20 18:31

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文章简介:	STM32WLE5系列之2-stm32wle5ccu6移植pingpong通信

简介
官方只提供了STM32WL55JC和STM32WL55JC1的相关应用demo，由于封装不通我们并不能直接使用相关程序，需要移植才能使用。本次我们移植pingpong通信demo

一、工程移植
1、打开STM32CubeMX,选择start My projext from MCU开始工程

2、在MCU/MPU处选择使用STM32WLE5CCU6

3、在File->import project导入pingpong例程，选择导入工程为C"\Users\用户\STM32Cube\Repository\STM32CuBE_FW_WLV1.2.0\Projects\NUCLEO-WL55JC\Applications\SubGHz_Phy\SubGHz_Phy_PingPong\SubGHz_Phy_PingPong.ioc
用户为自己实际的用户名

导入后会有些报错，是因为原来WL55JC是BGA的封装引脚要多一些，而stm32wle5ccu6没有

4、在Project Manager->Project中设置工程名和存放路径，Toolchain/IDE设置为MDK-ARM;Code Generator设置为Copy all used libraries into the project folder

5、时钟输入配置，HSE和LSE都配置为Crystal/Ceramic Resonator

6、RTC开启Alarm A并且使能中断

7、SubGHz_Phy设置如下

8、时钟树配置，RTC使用LSE

9、点击GENERATE CODE生成代码，打开keil工程然后编译会报以下错误，是由于我们没有添加BSP包

10、把下载的软件包C:\Users\用户\STM32Cube\Repository\STM32Cube_FW_WL_V1.2.0\Drivers中的BSP包拷贝到当前工程下。然后在keil中添加文件和其所在目录索引。
11、然后编译工程，0 error 0 waring

二、应用移植
1、修改BSP中关于射频开关部分的引脚定义，我们使用的亿佰特的E77模块，所以射频开关为PA6和PA7
stm32wlxx_nucleo_radio.h修改为下面这样，我们只使用了RF_SW_CTRL3_PIN、RF_SW_CTRL1_PIN 两个脚，另一个不用管。

#define RF_SW_CTRL3_PIN GPIO_PIN_6; U+ `1 ?# A# }. }1 f
#define RF_SW_CTRL3_GPIO_PORT GPIOA
* e0 O2 s% S( l4 O: G3 B$ N
#define RF_SW_CTRL3_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
- }1 b& {: {1 g/ q* A
#define RF_SW_CTRL3_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
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#define RF_SW_CTRL1_PIN GPIO_PIN_7
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#define RF_SW_CTRL1_GPIO_PORT GPIOA$ D( I7 Y$ B, J, g/ Q" a
#define RF_SW_CTRL1_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()- D& Z5 ~- L0 v( T: h3 \7 o5 C
#define RF_SW_RX_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()

复制代码

由于射频开关不同，射频控制逻辑也需要修改，把stm32wlxx_nucleo_radio.c中射频开关修改如下所示

int32_t BSP_RADIO_ConfigRFSwitch(BSP_RADIO_Switch_TypeDef Config)
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{# B2 M' C M2 D- h H( Z! q
switch (Config)+ U& K" R1 s$ ^- A5 P9 P9 [) F9 a
{- I& T( `" y4 [) n1 k
case RADIO_SWITCH_OFF:* x" g+ ?2 }8 m( Z
{7 y) O# f& p: d* Q. ^, V9 A5 }1 a; F
/* Turn off switch */" O6 T# ?; y2 K: \8 C
HAL_GPIO_WritePin(RF_SW_CTRL3_GPIO_PORT, RF_SW_CTRL3_PIN, GPIO_PIN_RESET);2 g4 Q) h9 m: ]' c/ q/ v2 k7 [( s( I
HAL_GPIO_WritePin(RF_SW_CTRL1_GPIO_PORT, RF_SW_CTRL1_PIN, GPIO_PIN_RESET);
; G6 N, }6 o0 |6 c
HAL_GPIO_WritePin(RF_SW_CTRL2_GPIO_PORT, RF_SW_CTRL2_PIN, GPIO_PIN_RESET);
$ e( _7 O' C6 O6 Y; K, _ i+ _, z1 {
break; 
. `0 d) R5 I3 l* I3 L5 G) J4 }
}% m+ [4 m( e6 B9 B3 Z( ?8 m
case RADIO_SWITCH_RX:
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{# p- ?6 a: C/ C |2 Z7 U
/*Turns On in Rx Mode the RF Switch */; D- y; Q9 h \$ V3 B( x) e0 W8 m
HAL_GPIO_WritePin(RF_SW_CTRL3_GPIO_PORT, RF_SW_CTRL3_PIN, GPIO_PIN_RESET);7 e) [! o3 E1 T( Z! i
HAL_GPIO_WritePin(RF_SW_CTRL1_GPIO_PORT, RF_SW_CTRL1_PIN, GPIO_PIN_SET); 
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HAL_GPIO_WritePin(RF_SW_CTRL2_GPIO_PORT, RF_SW_CTRL2_PIN, GPIO_PIN_RESET); 
9 Y, U. y4 W/ L
break;
; z9 i# ^: m7 Q. Z7 U) B
}
' k* b# s0 U/ p/ G; B) M4 R
case RADIO_SWITCH_RFO_LP:+ f4 Q( `' I2 K8 M( z' M
{+ _' R3 D# I' Z3 r3 q, ^+ Z6 p3 @
/*Turns On in Tx Low Power the RF Switch */- Z1 s) X L3 |/ R6 w
HAL_GPIO_WritePin(RF_SW_CTRL3_GPIO_PORT, RF_SW_CTRL3_PIN, GPIO_PIN_SET);
# p5 T- y- L* M& ?
HAL_GPIO_WritePin(RF_SW_CTRL1_GPIO_PORT, RF_SW_CTRL1_PIN, GPIO_PIN_RESET); & c- N4 h5 g8 d* G9 P; d' ?9 ?, U
HAL_GPIO_WritePin(RF_SW_CTRL2_GPIO_PORT, RF_SW_CTRL2_PIN, GPIO_PIN_SET); 
' P0 i# y' K+ E0 n
break;
; s4 ~7 B9 q5 A! f
}5 R6 J+ B' i& p1 \, L# Y- z
case RADIO_SWITCH_RFO_HP:
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{0 u5 S3 n* u& R% V* v
/*Turns On in Tx High Power the RF Switch */
7 B4 p9 R" o0 _0 i. P" u' E: R7 t
HAL_GPIO_WritePin(RF_SW_CTRL3_GPIO_PORT, RF_SW_CTRL3_PIN, GPIO_PIN_SET);6 X# e# F7 b( Y, a1 F5 {
HAL_GPIO_WritePin(RF_SW_CTRL1_GPIO_PORT, RF_SW_CTRL1_PIN, GPIO_PIN_RESET); ! K1 D# B3 C2 L! ^6 k, }6 [) O
HAL_GPIO_WritePin(RF_SW_CTRL2_GPIO_PORT, RF_SW_CTRL2_PIN, GPIO_PIN_SET); 
$ y/ d+ P: s7 @: {
break;; v8 d( R. ?' X- H1 l+ X
}
$ p' ]5 z7 g; U1 S. Y5 t
default:9 P0 P# d( A3 L2 A; G" ^1 k; F
break; 
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} 7 J" y& o/ z( A; u: B/ v* }2 h4 d# H: G
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return BSP_ERROR_NONE;
5 _' B$ D% H9 {4 B
}+ D8 b, K |% b& i
" q0 f2 {1 g. P( g; y; B
int32_t BSP_RADIO_GetTxConfig(void)
8 F" D1 F! ?: w9 A/ B0 z7 A8 n! C) h
{
+ ~+ e. w& Q+ P ^
//return RADIO_CONF_RFO_LP_HP;
. S4 ~+ V" ~- m! J: u# J6 V$ c
return RADIO_CONF_RFO_HP;( s, w/ b) @$ \# R0 X8 [
}# h: J) _- [1 S9 F. [
. z1 z" v& J. D
//
2 F: N" p- K. v* _
//使用无源晶振1 l% z8 W( ]6 R' B+ y6 {
/**
' _8 j: _5 Z( a' c4 X" S/ S
* @brief Get If TCXO is to be present on board' V2 j4 t6 C& S8 ?( [0 Z
* @note never remove called by MW,' E: S2 P% z* S: H* n7 I4 Z& |
* @retval
$ \7 H5 A) h" Q7 m5 {1 U$ ~8 T. i
* RADIO_CONF_TCXO_NOT_SUPPORTED9 x! Z0 e7 V) |3 T7 U
* RADIO_CONF_TCXO_SUPPORTED
! E4 U) H6 s6 u/ ?: ]) v
*/
3 m9 N! B6 D/ ?
int32_t BSP_RADIO_IsTCXO(void)
, W5 i/ {4 L1 m
{; k+ u* t7 d4 @2 L' d" ~
//return RADIO_CONF_TCXO_SUPPORTED;7 K: a3 e% [3 i$ j6 c9 l. S
return RADIO_CONF_TCXO_NOT_SUPPORTED
1 N/ @& D5 S6 N
}
# Y9 q6 ]7 Y6 F+ n: N
由于亿佰特的E77模块使用的是无源晶振，所以需要调整晶振负载电容以保证晶振精度
8 W/ [+ a* H" W* T1 {4 v: n
（这里不调整也可，因为是两个模块互通，但考虑后面lorawan工程还是调整为好）,采用
6 {$ s* w3 N% b! F/ c* X t
模块厂商推荐值0x0B% h: N( w, y4 @% ^' f
//#define XTAL_DEFAULT_CAP_VALUE ( 0x20UL )# u$ `9 q9 T1 P K! b% t9 g: ^6 k
#define XTAL_DEFAULT_CAP_VALUE ( 0x0BUL )

复制代码

2、修改subghz_phy_app.c文件，CubeMx刚生成工程是没有应用程序的。我们只需要从STM32Cube_FW_WL_V1.2.0软件包中去找到对应的工程文件然后修改，修改后的subghz_phy_appp.c如下。

/* USER CODE BEGIN Header */
4 n9 A$ n- Q0 V" ?
/**3 u0 x4 W M* i. R: f, r
******************************************************************************- _7 O; R+ E0 i( b: ~
* @file subghz_phy_app.c8 H* [" ^/ W6 ^
* @author MCD Application Team* j" f' v/ [0 D
* @brief Application of the SubGHz_Phy Middleware/ ^: @, s2 ^& @6 g" \' T8 t m; b
******************************************************************************! D& o3 W: j# i S6 c0 u
* @attention2 d1 J$ y4 W; `& y& l" D1 g$ J/ h
*
8 K' P) o3 Z- X) n2 \6 y I
* Copyright (c) 2022 STMicroelectronics.1 H8 j( ^! R7 G3 C5 @: N N
*) {, L w# d" I% `: o
* This software is licensed under terms that can be found in the LICENSE file) J! s+ g9 c5 j* ]$ X% @8 F
* in the root directory of this software component.# y* t% i" |' I( h2 b$ y
* If no LICENSE file comes with this software, it is provided AS-IS.+ v' G! M" e& \
*
! w6 C7 U; R' \ u
******************************************************************************* P5 d9 D S( U5 b: W
*/$ ]8 w {6 i* c6 y+ x# ], T* p
/* USER CODE END Header */
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, y1 D L, ?9 x/ t% c5 ~5 Q; e; t
/* Includes ------------------------------------------------------------------*// c0 q& F/ H5 M, M+ G8 D6 n8 b
#include "platform.h"
! A9 e+ o0 a" V% O3 S
#include "sys_app.h": a& B/ V; m! R5 b+ S& |
#include "subghz_phy_app.h"
' q; h- ^' j5 {! \8 ^& f
#include "radio.h"0 w5 W- u3 p) [: e+ s- s
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/* USER CODE BEGIN Includes */- t+ D2 @% K$ l- Q
#include "stm32_timer.h"
1 d4 R5 @& i' r- h4 u- X
#include "stm32_seq.h"$ k: E& N; j6 f3 _6 `
#include "utilities_def.h"
3 \; j1 K9 `( H. H' ^$ i
#include "app_version.h"
y2 S8 q; G1 \; ^* U+ o0 [
#include "subghz_phy_version.h"1 [ r/ a) l8 Z1 B' V
/* USER CODE END Includes */; p z" m* e( a2 m7 Q2 }
4 d! o3 a2 G$ y$ D; T
/* External variables ---------------------------------------------------------*/+ B) B( \3 N6 s- b. E$ ^) V5 Y
/* USER CODE BEGIN EV */
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( {4 I: T% M* Z. e7 x9 K
/* USER CODE END EV */
8 k: C; o4 ?2 E1 i% T
. R- R) w) G5 c1 U
/* Private typedef -----------------------------------------------------------*/9 C9 L/ s, M9 S: q& [
3 Q1 W5 |% W8 m5 L
/* USER CODE BEGIN PTD */9 \$ |4 n2 p6 N8 _3 l! Z
typedef enum
1 ]! e1 H: A" Z
{
+ ^2 O" i. ~; ]4 E# u; a+ l! {. Q2 G
RX,& \4 V+ \+ ?- S
RX_TIMEOUT,. T+ \+ D. b0 P5 t) x2 O* m
RX_ERROR,8 @1 ]7 q" {4 h& `5 R4 c
TX,( S- `. k/ K: }' J7 z
TX_TIMEOUT,. L" R' M% }0 `/ D! V2 x1 X: ?3 q
} States_t;5 b2 [' U# z- s$ S3 A
/* USER CODE END PTD */
/ h3 b" N2 ?) A7 l
$ q; X; m( p) ^& n; `5 n
/* Private define ------------------------------------------------------------*/' {* |& [" ^3 t9 ^, f, E3 K! E' r3 Q
/* USER CODE BEGIN PD */
1 B( y! G+ j1 c2 t
/* Configurations */4 q4 L3 c7 N9 l( r
/*Timeout*/
2 y% J9 K+ }) F3 C$ q k8 H( c
#define RX_TIMEOUT_VALUE 3000
+ V$ _- e; t. \: \0 ~& }- L8 v, R
#define TX_TIMEOUT_VALUE 3000+ a! N$ D \2 d" D* Z$ S
/* PING string*/9 i& s4 d% Y7 f+ `4 ]! {
#define PING "PING"8 o' \+ a' j2 N
/* PONG string*/# q0 Q; |" [5 b3 }
#define PONG "PONG" s& _3 s( O) l3 b" {
/*Size of the payload to be sent*/
: D S/ G; L) h, g$ ~
/* Size must be greater of equal the PING and PONG*/1 a9 p) J; o: T S( i2 S
#define MAX_APP_BUFFER_SIZE 255/ v9 L& {4 ?' k7 B
#if (PAYLOAD_LEN > MAX_APP_BUFFER_SIZE)6 A) }4 }' L+ J0 _* Z& R
#error PAYLOAD_LEN must be less or equal than MAX_APP_BUFFER_SIZE: v9 a. X5 S0 \4 `) D3 i
#endif /* (PAYLOAD_LEN > MAX_APP_BUFFER_SIZE) */
" L' u! `8 ]! j8 u7 h6 X( t
/* wait for remote to be in Rx, before sending a Tx frame*/; _, O6 n" ]8 s' m7 U2 z
#define RX_TIME_MARGIN 200! l( m/ c! P4 y6 w: B" Z# M
/* Afc bandwidth in Hz */
, S, a7 x/ e. n7 x7 G( o5 S
#define FSK_AFC_BANDWIDTH 83333
8 c# N, t1 S9 W; }& f
/* LED blink Period*/
1 ~: S/ p+ K5 ^" L+ F% r
#define LED_PERIOD_MS 200
. {0 `: l- A; A9 {; B& _
/* USER CODE END PD */, q6 U* }2 H1 p& l% Z! }: Q5 U! A
4 a: h u9 u% j4 `" w& @. v
/* Private macro -------------------------------------------------------------*/
2 h: ~& M2 u. z5 r, b- ~3 p0 F; X
/* USER CODE BEGIN PM */
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+ M' G6 I& Y) F& [& r5 H8 ]
/* USER CODE END PM */1 @" `) Q& Q. G1 ~. [
" b9 `7 Y! ~% {+ C# t$ g" V% x
/* Private variables ---------------------------------------------------------*/
2 ?# f1 _$ V0 n
/* Radio events function pointer */
) B% C c0 P# O# ?9 Y6 W
static RadioEvents_t RadioEvents;( e: T* d; S5 H# H' p9 y2 G9 ?. f
/* USER CODE BEGIN PV */
. @, W' l6 g1 ^3 C7 a2 P( u& X- _! k
/*Ping Pong FSM states */% i5 M3 s$ ?5 T4 J
static States_t State = RX;
: u: \0 ~4 @# c1 x
/* App Rx Buffer*/
2 M; ]4 ^' w1 L2 K) D; Q4 e
static uint8_t BufferRx[MAX_APP_BUFFER_SIZE];- y5 q( \8 X4 H/ z6 Q* U3 c) R4 e1 m
/* App Tx Buffer*/* V) |8 M* w: B# M" o: L
static uint8_t BufferTx[MAX_APP_BUFFER_SIZE];* u5 _& j" f# B7 W7 b: R6 M) R8 V
/* Last Received Buffer Size*/
. r( v$ C. Q* O9 }8 g# H' ]& L6 p
uint16_t RxBufferSize = 0;
7 D9 {6 p# ^) n9 u; T$ u
/* Last Received packer Rssi*/
$ g) f0 f. c/ u \
int8_t RssiValue = 0;5 ~' V- z' g! S K, }
/* Last Received packer SNR (in Lora modulation)*/
. l$ ~. o7 v- Z6 r
int8_t SnrValue = 0;. C, m/ o0 ?4 X) \5 w* @
/* Led Timers objects*/
R! n2 d/ \$ M/ j3 b8 h
static UTIL_TIMER_Object_t timerLed;$ @6 k& W; V) E9 h$ k, M; b C
/* device state. Master: true, Slave: false*// ~+ J# A* Z8 H, w- k0 J0 U
bool isMaster = true;
z: h- s" `. @
/* random delay to make sure 2 devices will sync*/
% P9 Q; G$ J6 L" H6 k: @% ~
/* the closest the random delays are, the longer it will( k! t4 R- T) _/ d/ E
take for the devices to sync when started simultaneously*/
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static int32_t random_delay;3 U: I/ N# i& b0 v6 L/ g
/* USER CODE END PV */
3 t9 @! K6 t% m( _. J2 x
: L! V" U* a# |8 ?
/* Private function prototypes -----------------------------------------------*/
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/*!! y- g& E, F! x8 t
* @brief Function to be executed on Radio Tx Done event8 a6 h% f. v8 d- t6 ~7 U1 I
*/
: d! m2 u8 Q; L) A- O& v# Z
static void OnTxDone(void);
$ K: I; x. A' q% O# N
* w) c% F# I# Q$ K) z+ V
/** Q8 X8 z4 h+ C" R3 y; h
* @brief Function to be executed on Radio Rx Done event S$ a* M/ S3 O: K" k* ?. a
* @param payload ptr of buffer received: _" H! h* J! n/ U. }. @0 n
* @param size buffer size- F/ P5 H2 L; K5 T7 ~- f; ^% @
* @param rssi
4 _* i! Z/ k) H+ j
* @param LoraSnr_FskCfo
, F$ K, ^" D2 G+ z7 G# ?2 e
*/
2 }: [3 w! z2 M! j5 w: ~! U
static void OnRxDone(uint8_t *payload, uint16_t size, int16_t rssi, int8_t LoraSnr_FskCfo);) V5 V! t5 @4 ] i1 H2 x
@ i6 x/ S1 y! x
/**8 _$ V! E7 B. A) B9 D: T
* @brief Function executed on Radio Tx Timeout event
/ F# E& |% b: V5 C
*/
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static void OnTxTimeout(void);) v4 S1 ~+ a# b9 ?
! N8 ?+ ^- ]; s$ T5 f
/**4 w3 e% |' c" v4 m& o
* @brief Function executed on Radio Rx Timeout event
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*/2 o# Q7 `/ g- F/ {1 L+ @6 }
static void OnRxTimeout(void);
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4 A% r" s3 e: U8 `( G/ R! t
/**. A5 V. z2 C4 s1 {2 {& T$ T
* @brief Function executed on Radio Rx Error event
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*/( P8 R9 b" D, A( e& [0 e
static void OnRxError(void);
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1 `- E" n! g" z
/* USER CODE BEGIN PFP */- h- ]" U- H" t
/**
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* @brief Function executed on when led timer elapses; z* l" @' z& m( [0 B
* @param context ptr of LED context% U; @( z; P: Q8 s: ~$ c, K4 ^
*/6 W9 T% e! L% W; s% ^1 F
static void OnledEvent(void *context);
9 {5 N' x8 P" G: N
% U$ U' F9 x/ {* W
/**
( M+ R' Y# l2 ^ Z
* @brief PingPong state machine implementation
8 f+ V% N- v! c! b
*/
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static void PingPong_Process(void);
( W; F. D3 H7 N% \) N9 s3 h" |7 |
/* USER CODE END PFP */# m) H. I5 ~ h) ?' t W
4 d" j) Y2 f5 X+ Q% B
/* Exported functions ---------------------------------------------------------*/
$ p4 j# f- v# k% u! g" n( L
void SubghzApp_Init(void)
" ]( R4 H. l% h2 ~# q- e% }3 e
{
+ @, n8 ?) {# Q- D6 T9 k& A
/* USER CODE BEGIN SubghzApp_Init_1 */, F& G# `! l/ G( Z7 I" D
APP_LOG(TS_OFF, VLEVEL_M, "\n\rPING PONG\n\r");
+ H" r* a5 m+ [- f3 E/ `2 L
/* Get SubGHY_Phy APP version*/
% X( @/ x) z4 N
APP_LOG(TS_OFF, VLEVEL_M, "APPLICATION_VERSION: V%X.%X.%X\r\n",# N2 d1 ^# l. n) U5 m* g: Z
(uint8_t)(APP_VERSION_MAIN),
5 R ]% P# A. s O# i
(uint8_t)(APP_VERSION_SUB1),
9 q4 Z$ l& f8 e% g- r
(uint8_t)(APP_VERSION_SUB2));# k) ]0 |- w3 y- G- A. W; I9 {; G8 V
* u+ L( a. C6 X2 y' t
/* Get MW SubGhz_Phy info */
* @) V) N. h, l0 d' g; u0 d% A# q
APP_LOG(TS_OFF, VLEVEL_M, "MW_RADIO_VERSION: V%X.%X.%X\r\n",& ?/ U9 j7 i3 f1 i Y" s
(uint8_t)(SUBGHZ_PHY_VERSION_MAIN),
+ |% J+ R2 a8 J @' F
(uint8_t)(SUBGHZ_PHY_VERSION_SUB1),
# P$ [: _; A( I3 m
(uint8_t)(SUBGHZ_PHY_VERSION_SUB2));. r+ D+ m, v6 Z
& K8 ^. `0 c. I2 r! b2 |
/* Led Timers*/: _% [7 T `+ L8 }0 {
UTIL_TIMER_Create(&timerLed, LED_PERIOD_MS, UTIL_TIMER_ONESHOT, OnledEvent, NULL);0 C" M- w$ f* ?
UTIL_TIMER_Start(&timerLed);# f/ n! j: t8 K) X3 I9 N8 @
/* USER CODE END SubghzApp_Init_1 */
9 [2 [0 J* A* i) N
6 X3 l9 v7 ~ M: u; I
/* Radio initialization */
6 |" Z& e* V: H' k1 |& ]
RadioEvents.TxDone = OnTxDone;) d2 @( E E+ j, W* o
RadioEvents.RxDone = OnRxDone;, `* p- `0 b. b/ k
RadioEvents.TxTimeout = OnTxTimeout;' ~. h& Z8 X) D% L
RadioEvents.RxTimeout = OnRxTimeout;# D6 g4 N+ x. T" Z
RadioEvents.RxError = OnRxError;6 t8 w! P, W V1 k
& e; W8 V& v6 j- O
Radio.Init(&RadioEvents);
' I. }) [% r% K; A% @+ ~6 r
' [5 n' w. F+ V+ \
/* USER CODE BEGIN SubghzApp_Init_2 */' `- a& X0 n1 Z# {- q4 d$ K+ D
/*calculate random delay for synchronization*/" F+ g7 l1 d( _5 U! s+ s% h/ q* P
random_delay = (Radio.Random()) >> 22; /*10bits random e.g. from 0 to 1023 ms*/- h! z4 T1 ^2 V# Z) O4 m
0 f- I" m6 Q# r( m/ Y c
/* Radio Set frequency */
' V$ `! y- h4 r3 a
Radio.SetChannel(RF_FREQUENCY);+ Q0 r- ]) F, f" U- N' N
' F' p: @5 `8 A, j& \
/* Radio configuration */6 p& U3 G4 J- J
#if ((USE_MODEM_LORA == 1) && (USE_MODEM_FSK == 0))3 y. `! n! w, ?1 [6 m9 `
APP_LOG(TS_OFF, VLEVEL_M, "---------------\n\r");
8 o! S% d% x( d! w3 d
APP_LOG(TS_OFF, VLEVEL_M, "LORA_MODULATION\n\r");+ Z: t I0 c: u) Z7 i
APP_LOG(TS_OFF, VLEVEL_M, "LORA_BW=%d kHz\n\r", (1 << LORA_BANDWIDTH) * 125);. p1 g# O1 K" @( |6 O+ x
APP_LOG(TS_OFF, VLEVEL_M, "LORA_SF=%d\n\r", LORA_SPREADING_FACTOR);
" J' M: \8 }+ l
' H# g- K. c7 X
Radio.SetTxConfig(MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,) T, U% D! W6 b& W, N( W; ^0 {
LORA_SPREADING_FACTOR, LORA_CODINGRATE,
/ D4 r1 l) |4 C/ ~* {0 [' i: c
LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
8 i* s$ J ^( ?- M. u' u, R
true, 0, 0, LORA_IQ_INVERSION_ON, TX_TIMEOUT_VALUE);. f- H* W1 k& w$ R O' o. {
; [( K, K% I3 a/ s8 ^: r
Radio.SetRxConfig(MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,# ^6 u5 y3 a! [' O( @8 K3 j9 p
LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
& {( W9 N( g& m: ~8 t O1 [
LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
3 U8 T/ i9 Z# D4 j3 @
0, true, 0, 0, LORA_IQ_INVERSION_ON, true);
6 [1 Y) [4 y; O* _% C6 Q
3 [ a; U. Q8 g3 M& [
Radio.SetMaxPayloadLength(MODEM_LORA, MAX_APP_BUFFER_SIZE);- R& s; F5 n# T9 Z
6 S/ L' x; |+ u( o" M: n
#elif ((USE_MODEM_LORA == 0) && (USE_MODEM_FSK == 1))0 w' X/ n+ B- v* H9 }% @ x
APP_LOG(TS_OFF, VLEVEL_M, "---------------\n\r");. W+ @1 a0 o+ u5 A$ T i
APP_LOG(TS_OFF, VLEVEL_M, "FSK_MODULATION\n\r");! V% K) A+ Z: x
APP_LOG(TS_OFF, VLEVEL_M, "FSK_BW=%d Hz\n\r", FSK_BANDWIDTH);3 F. S. g5 y/ s6 R# c
APP_LOG(TS_OFF, VLEVEL_M, "FSK_DR=%d bits/s\n\r", FSK_DATARATE);& T. ]3 p* |8 G. K, L4 f" f
' Z- K8 _. x4 g& h2 w) `
Radio.SetTxConfig(MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
2 Z0 ^. M! K4 o5 q/ F. |' G
FSK_DATARATE, 0,5 X A' x9 Y5 `4 T" r9 D
FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
2 q) T% B3 i, J" }! x2 F
true, 0, 0, 0, TX_TIMEOUT_VALUE);
+ m2 C! _& L( n, x% D6 I" a Q" f
! K, w: n/ Z |$ F; d, p8 t0 A3 I
Radio.SetRxConfig(MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
$ v0 V4 v9 N0 p3 B( Z
0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,# ?. I8 P* t! z# b6 p
0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, true,) |+ S/ B- W4 y# k+ j6 o
0, 0, false, true);
: b6 J0 b' P9 J' ]( e% ?- C+ V7 S( M
9 ~' F# Y$ P% C. G6 f
Radio.SetMaxPayloadLength(MODEM_FSK, MAX_APP_BUFFER_SIZE);
) A/ V: ?3 K6 J) M
* t4 e) }% \! I6 E2 Z! O
#else( J: w& a0 y7 g
#error "Please define a modulation in the subghz_phy_app.h file."; a6 S* K; X) ?7 R9 m8 i, n
#endif /* USE_MODEM_LORA | USE_MODEM_FSK */
8 r# ^1 a; T o/ n. j8 T
0 Q* e7 p8 S: O5 b0 K
/*fills tx buffer*/ O. W% L3 k, W1 Y
memset(BufferTx, 0x0, MAX_APP_BUFFER_SIZE);7 j5 s% D# |( d4 F/ f/ Y
- A7 s/ i p% f$ H
APP_LOG(TS_ON, VLEVEL_L, "rand=%d\n\r", random_delay);1 B/ C9 j2 H/ S, E
/*starts reception*/
5 |2 S2 E, |+ h/ Y* X0 }% D
Radio.Rx(RX_TIMEOUT_VALUE + random_delay);7 p; z+ z7 M3 ^' g! W
x. t9 Y4 N1 y
/*register task to to be run in while(1) after Radio IT*/
: B/ y% b5 S; O
UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), UTIL_SEQ_RFU, PingPong_Process);
( \9 c) c. |3 ~8 V# L$ \2 E
/* USER CODE END SubghzApp_Init_2 */. i+ t6 F7 h. A" R
}- F; m% V: @# a7 g+ l0 e
8 A! j7 y2 _& O! U( H2 e) }0 [
/* USER CODE BEGIN EF */
) J+ z) s$ X0 Z1 b! }3 L' t
' k6 H) n2 p; e T; `! r4 `
/* USER CODE END EF */
" @9 o* L6 P8 h( K' w
& _! X6 w6 d: R7 w/ M
/* Private functions ---------------------------------------------------------*/
& ~' b) Z/ [5 i s+ |6 ~
static void OnTxDone(void)
' l3 \* v% s& g9 b/ _5 h3 V, A5 x
{
; {+ }: R1 e" z' n
/* USER CODE BEGIN OnTxDone */
. x. ?8 O5 a/ g+ p& i
APP_LOG(TS_ON, VLEVEL_L, "OnTxDone\n\r");/ A% j5 e4 s' P1 X( i$ L
/* Update the State of the FSM*/9 }1 M( l* K( R1 k) s/ D) G/ @
State = TX;
) F7 N8 Y. g6 b A4 F
/* Run PingPong process in background*/
0 \8 C( h8 v L( u8 J% }9 B* G
UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), CFG_SEQ_Prio_0);) y) M% D, C, q# n& V, y
/* USER CODE END OnTxDone */
" E& v0 f2 K' m) N) x
}/ F0 R6 M. U) L( _! R4 |
! ?" d2 K- ~5 K/ L" u) y
static void OnRxDone(uint8_t *payload, uint16_t size, int16_t rssi, int8_t LoraSnr_FskCfo)5 k, I7 ^& u' L1 V9 m. }3 _- y& ?% G
{. _3 b0 c6 V6 _# J
/* USER CODE BEGIN OnRxDone */% [- n3 h$ l' D( y# y% r* z
APP_LOG(TS_ON, VLEVEL_L, "OnRxDone\n\r");4 f/ L8 I! Z" _0 g" P" g
#if ((USE_MODEM_LORA == 1) && (USE_MODEM_FSK == 0))
9 i! ]) R, @% o0 U( v# c: j
APP_LOG(TS_ON, VLEVEL_L, "RssiValue=%d dBm, SnrValue=%ddB\n\r", rssi, LoraSnr_FskCfo);+ Y7 Y3 f1 T7 l$ P
/* Record payload Signal to noise ratio in Lora*/
9 ]8 V6 S0 @, o
SnrValue = LoraSnr_FskCfo;$ Z1 l5 B# H7 t5 S
#endif /* USE_MODEM_LORA | USE_MODEM_FSK */
& A0 O' L- t& o. k$ _
#if ((USE_MODEM_LORA == 0) && (USE_MODEM_FSK == 1)) g% r( N9 Y* W0 f# m' f
APP_LOG(TS_ON, VLEVEL_L, "RssiValue=%d dBm, Cfo=%dkHz\n\r", rssi, LoraSnr_FskCfo);- Q, B! s9 S4 k4 \# e" ~- w) I8 A( {
SnrValue = 0; /*not applicable in GFSK*/) w, {; a, Q/ e' {
#endif /* USE_MODEM_LORA | USE_MODEM_FSK */& d. P$ K5 e+ Q' @& q+ ~
/* Update the State of the FSM*/
( r% l) O% z3 O3 \" V$ k6 U
State = RX;: [+ W1 N' _. r' f3 v/ ?- B
/* Clear BufferRx*/+ r/ x2 t. M, u+ @; V. U
memset(BufferRx, 0, MAX_APP_BUFFER_SIZE);
$ s9 v) k+ q5 ^, z/ W8 k
/* Record payload size*/9 D* L. B! a- Y
RxBufferSize = size;$ }) \ P. m! Z0 K# t4 ]6 Q
if (RxBufferSize <= MAX_APP_BUFFER_SIZE)+ S7 R: B% a+ E7 B
{; n; M% n8 V+ ^1 h! L2 \ [
memcpy(BufferRx, payload, RxBufferSize);5 w8 o) H0 _! j- _
}8 K# d1 a9 m8 Q0 c: q3 w2 W6 U3 R
/* Record Received Signal Strength*/
& \) Y0 R3 }* E" G
RssiValue = rssi;3 d4 e L( G7 `: v
/* Record payload content*/
9 K# L& w. h N& ]3 |& @/ o
APP_LOG(TS_ON, VLEVEL_H, "payload. size=%d \n\r", size);
8 Z, n C: c- f. E: ?
for (int i = 0; i < PAYLOAD_LEN; i++)' H/ W! R$ `4 h3 D
{) _5 V4 I8 ?3 z+ B: e
APP_LOG(TS_OFF, VLEVEL_H, "%02X", BufferRx);
9 {4 _7 Z( i Y
if (i % 16 == 15); n9 x7 n o$ J, [
{
% d2 K/ x, r* Y' ]0 o( S
APP_LOG(TS_OFF, VLEVEL_H, "\n\r");
6 i' b# ^+ N/ S% B+ G8 q
}. R- f C( b% I% d
}9 y/ Q5 d1 @0 |' U
APP_LOG(TS_OFF, VLEVEL_H, "\n\r");
! U! u1 z8 O- B/ B, _9 P5 [) s
/* Run PingPong process in background*/: t, E9 ?( ? w7 P
UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), CFG_SEQ_Prio_0);
0 d5 O5 j* ]; ?- t
/* USER CODE END OnRxDone */, h+ w5 x# G( W# ]' N
}" O; M: r6 U; i: N* y' _3 R& i J
% g8 `: A9 n4 E7 e6 J
static void OnTxTimeout(void)0 P! l3 O) H* L# `) e4 c! l4 e* r
{
7 h# n' D$ z* c! O. `
/* USER CODE BEGIN OnTxTimeout */6 ^& T! @0 O* j7 } e, C6 y# U
APP_LOG(TS_ON, VLEVEL_L, "OnTxTimeout\n\r");
: x3 P' k+ _! ^1 L; z7 Y$ `/ C; y
/* Update the State of the FSM*/. h3 F$ T' _0 O6 w9 Q$ j9 I
State = TX_TIMEOUT;$ w7 j- c; y" o5 ]' V
/* Run PingPong process in background*/* v; F" C* _* a: W `0 |# R$ G
UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), CFG_SEQ_Prio_0);
. p' i( E. }, |" b
/* USER CODE END OnTxTimeout */: A& w# ?' v! [; r' Y7 w* ~2 y/ V7 D
}
3 Y+ ]! q; R6 [, |
: i& `$ J N4 a8 V
static void OnRxTimeout(void)9 ?8 a9 k5 G* \% ?. E+ i* O0 s
{, p& V, P! E; g Q7 N; X. C
/* USER CODE BEGIN OnRxTimeout */
1 U) b; G( w5 a6 G) `
APP_LOG(TS_ON, VLEVEL_L, "OnRxTimeout\n\r");! I1 c7 |! w3 x' E
/* Update the State of the FSM*/: m. n- c3 ^! I
State = RX_TIMEOUT;# q5 \! R4 B4 n1 `; @, v' B# C
/* Run PingPong process in background*/8 t; z8 ~0 h2 H5 C
UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), CFG_SEQ_Prio_0);6 e$ e, u/ B9 L+ l
/* USER CODE END OnRxTimeout */; t" L, W r) A) J" G' ?
}6 M# h8 y; _- m* U) V8 Y4 E+ n
: h% `& y! \4 U" ]$ ]
static void OnRxError(void)
! E# T! H( V+ b5 z1 M1 U
{& [5 d3 w9 z, _2 m! z% a4 j
/* USER CODE BEGIN OnRxError */( j) K0 b# g# B% l' k
APP_LOG(TS_ON, VLEVEL_L, "OnRxError\n\r");
; M7 F3 F+ _. K
/* Update the State of the FSM*/
% k% j+ H2 V6 A' |# M+ e, |
State = RX_ERROR; S; V& r' H4 W1 M6 c
/* Run PingPong process in background*/" h+ x. t% a! b% R- g
UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), CFG_SEQ_Prio_0);
3 F3 u: \0 Q2 h
/* USER CODE END OnRxError */! l8 k: T9 M# q' e
}
: e# f& b% H0 z P" U3 k, u
( {) V8 c+ X6 o0 T
/* USER CODE BEGIN PrFD */7 B/ B% j2 f9 \. `
static void PingPong_Process(void)
0 o/ e ?3 P; H* q6 j3 X9 C7 _
{
& u! T" @2 S: u3 p. q
Radio.Sleep();9 V3 Q; a0 \9 V+ e8 k O* p4 W1 t& o0 E
8 O7 K* o# H% ]9 g' {" t
switch (State)
4 V: i5 b0 o+ g0 M
{& G, c0 [# ]2 J: j0 z
case RX:
) Y) s9 h* g1 s0 w9 O8 f
3 g$ r8 P8 E6 b3 S# t9 y
if (isMaster == true)
1 p* H2 A5 b; P/ l" O
{2 V9 r! \9 O5 |. F& T5 G8 C
if (RxBufferSize > 0)
2 m+ \+ M0 K+ A$ D$ ^
{
6 P8 z/ ]) y, c" Y
if (strncmp((const char *)BufferRx, PONG, sizeof(PONG) - 1) == 0)
8 o1 E/ m; e% u1 i. K+ R0 a
{! L& a. U/ Y6 R) e# |7 N
UTIL_TIMER_Stop(&timerLed);! D0 E) v/ l: m! ?
/* switch off green led */
9 U7 H+ f0 }/ S8 P0 T
HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET); /* LED_GREEN */
: f7 ^7 A( e) Q9 h( w2 A* N3 G
/* master toggles red led */* N+ |# E F" A" t: m
HAL_GPIO_TogglePin(LED3_GPIO_Port, LED3_Pin); /* LED_RED */
" e9 ^( l' e5 y1 x0 x
/* Add delay between RX and TX */
2 p0 s1 Q' ~2 Q' w! k# l+ x9 }
HAL_Delay(Radio.GetWakeupTime() + RX_TIME_MARGIN);7 k( k; N0 A* r, K
/* master sends PING*/
. L s* A: q3 i. b5 ^9 ]1 Z6 t
APP_LOG(TS_ON, VLEVEL_L, "..."* e3 _8 j5 x$ @; Y" m6 D/ X
"PING"
$ d* `4 ]: v' o0 K
"\n\r");1 B, } a3 `, ^# F4 @) [. R
APP_LOG(TS_ON, VLEVEL_L, "Master Tx start\n\r");
% f5 C( }6 u) c2 j8 t3 b3 G9 `
memcpy(BufferTx, PING, sizeof(PING) - 1);
1 ]8 F1 d9 _; ]6 w5 [
Radio.Send(BufferTx, PAYLOAD_LEN);/ b& `; s! G/ ^9 ?3 E' C# Z
}
$ l# L: g) _$ s5 M8 u7 d+ N
else if (strncmp((const char *)BufferRx, PING, sizeof(PING) - 1) == 0)
: I; |1 _9 k j
{4 `# V7 @4 J w8 H& l/ H
/* A master already exists then become a slave */( s; D9 ]/ s) q' t! M# q
isMaster = false;( w8 w6 k% v: o U
APP_LOG(TS_ON, VLEVEL_L, "Slave Rx start\n\r");$ _. y' _ _ Y4 w! P
Radio.Rx(RX_TIMEOUT_VALUE);4 d1 `2 W3 r' @: e: @8 v
}
! g# f" e' {; L* _+ \1 N/ Z
else /* valid reception but neither a PING or a PONG message */
; U) x6 {6 s% R8 ^
{
: B, @8 g% `6 F) e) Y
/* Set device as master and start again */' d. `: w* }* E ~) ^
isMaster = true;
- z' ]7 i7 S) g) |2 [+ r9 c2 K
APP_LOG(TS_ON, VLEVEL_L, "Master Rx start\n\r");) T0 a' o1 b# W( C F4 J
Radio.Rx(RX_TIMEOUT_VALUE);' b3 ?. `& Y. Y6 s) C6 ^
}7 Q/ b7 N8 Y) L6 g
}
$ l5 L% k; G1 G- c% }0 t
}2 S* M( f0 `2 t
else
9 j+ G, t- \ q) h# X
{* t1 `6 l0 b' o- h
if (RxBufferSize > 0)/ {* @* S! u1 w/ T
{
- J, C8 c1 W' k$ o% T
if (strncmp((const char *)BufferRx, PING, sizeof(PING) - 1) == 0)
- ^) S- Q* u+ g7 P6 m+ y$ G
{
6 H9 y" w6 N4 O- F" M0 O; S
UTIL_TIMER_Stop(&timerLed);
" @( D' Y+ j* H6 j# l) H
/* switch off red led *// p% l$ B- u0 E* H& _3 m
HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET); /* LED_RED */5 h2 f( k6 G( h" T! ?
/* slave toggles green led */6 |1 ?8 l( P5 ~: s
HAL_GPIO_TogglePin(LED2_GPIO_Port, LED2_Pin); /* LED_GREEN */
3 S9 T6 C9 R m+ x+ F( q
/* Add delay between RX and TX */& t2 o* q; b0 f$ c
HAL_Delay(Radio.GetWakeupTime() + RX_TIME_MARGIN);
5 [$ \6 }/ _2 B! E
/*slave sends PONG*/- s: r; v* g1 |2 O8 X+ ?( `
APP_LOG(TS_ON, VLEVEL_L, "...". W5 o+ U$ Z* n3 N9 u6 d
"PONG"
, L. c M8 P2 P( S. }1 ?
"\n\r");
( {( n* H' C, i- u% b% @
APP_LOG(TS_ON, VLEVEL_L, "Slave Tx start\n\r");3 p* s# {/ L1 x3 F
memcpy(BufferTx, PONG, sizeof(PONG) - 1);: p. [; k5 v9 E: P) _ \5 g6 k
Radio.Send(BufferTx, PAYLOAD_LEN);
. O1 S# P8 x6 M ?
}
/ ~- M( Z4 x2 v( N) f
else /* valid reception but not a PING as expected */! a/ u: w* E3 _. n, `2 ]
{
& A$ I' x" j+ ]; p8 Y, k' H! R& n
/* Set device as master and start again */8 f$ `, [( n6 c+ G" z# ^" A
isMaster = true;
% I; ~: c5 W! J- W9 ^# D# Z
APP_LOG(TS_ON, VLEVEL_L, "Master Rx start\n\r");
/ l" \% O9 k3 x* v4 Z
Radio.Rx(RX_TIMEOUT_VALUE);4 U* t c# K# j: W) O. b8 C
}- ^9 O% Z! M& s: K0 s. c
}! b7 R, _4 s/ Y+ t; w: t2 u
}; Z" s1 s( d7 c, L* H5 X
break;
% x! p" J0 W& Y& {8 z, I
case TX:+ P2 C: o3 X1 ~! d {
APP_LOG(TS_ON, VLEVEL_L, "Rx start\n\r");
) W4 e7 t/ s, u, s% A
Radio.Rx(RX_TIMEOUT_VALUE);
5 z0 G# Y \3 a6 j S. R; E) E
break;9 s# E, k; N3 y* A
case RX_TIMEOUT:) K# n/ e+ r( Y) Z v7 H. }# |
case RX_ERROR:
& p8 o! z3 ^) X( Q Q
if (isMaster == true)
; j5 k( o$ n" {. m
{4 p0 O9 D+ g- V
/* Send the next PING frame */
5 `) F9 u& p9 ^/ g: i) A. c. i
/* Add delay between RX and TX*/5 w' R7 m; f, F m+ t7 X
/* add random_delay to force sync between boards after some trials*/
) s( A* d5 n- H5 v" p9 n4 ^) {& u
HAL_Delay(Radio.GetWakeupTime() + RX_TIME_MARGIN + random_delay);1 n& D2 Z% M2 L& I' z
APP_LOG(TS_ON, VLEVEL_L, "Master Tx start\n\r");$ {. r) v% Z2 f6 c% t- P1 l: V
/* master sends PING*/
, Y8 z$ ?' ?, B$ A
memcpy(BufferTx, PING, sizeof(PING) - 1);
v( P5 l, @. L8 a
Radio.Send(BufferTx, PAYLOAD_LEN);: T; _' o3 B9 L& T, b
}
8 J. X) X$ a- s
else
9 _/ s/ v: f" y! t& c5 e
{
( _2 }( `' e$ O" M2 o* h5 V; o/ h
APP_LOG(TS_ON, VLEVEL_L, "Slave Rx start\n\r");& R, I4 n8 q7 W- n4 U0 g" d
Radio.Rx(RX_TIMEOUT_VALUE);
' P: M l' \6 \/ i) o
}8 W/ A) V6 D& I* g9 U
break;
$ X7 p& ~% C% C2 b3 @; n# N1 Z
case TX_TIMEOUT:
( L; ?/ f9 Q' x! H/ H* k) N( P w( k
APP_LOG(TS_ON, VLEVEL_L, "Slave Rx start\n\r");
- v9 L ^+ t E9 t
Radio.Rx(RX_TIMEOUT_VALUE);
3 P3 a9 y$ z" j* L
break;) W6 {5 x2 r$ B3 X$ D
default:7 {* C: o3 w8 ^
break; a$ A' [" }& Q/ s
}2 F6 x/ e" \4 O! w5 C4 a/ q* I7 Y
}1 F$ O& C! `# W
' j, x. c0 s5 q& O& S' a
static void OnledEvent(void *context)
! _) k6 F h _( h* `0 C
{/ K9 \+ P1 G, Q% s$ f4 \* ]
HAL_GPIO_TogglePin(LED2_GPIO_Port, LED2_Pin); /* LED_GREEN */+ [, O+ o+ q9 ], }- K( c
HAL_GPIO_TogglePin(LED3_GPIO_Port, LED3_Pin); /* LED_RED */
; _! @4 I& F$ z3 l
UTIL_TIMER_Start(&timerLed);
9 y+ l0 T) y+ \$ D y
}
6 u7 f; t# {6 B1 B0 J4 X! h
/* USER CODE END PrFD */