SX1261 SX1262 SX1268 SX126X STM32版程序

SX126X基于NucleoL152和NucleoL052开发板程序，程序结构清晰，配合相关文档容易上手理解。

/*!
 * \file      main.c
 *
 * \brief     LoRaMote board USB DFU bootloader
 *
 * \copyright Revised BSD License see section \ref LICENSE.
 *
 * \code
 *                ______                              _
 *               / _____）             _              | |
 *              （ （____  _____ ____ _| |_ _____  ____| |__
 *               \____ \| ___ |    （_   _） ___ |/ ___）  _ \
 *               _____） ） ____| | | || |_| ____（ （___| | | |
 *              （______/|_____）_|_|_| \__）_____）\____）_| |_|
 *              （C）2013-2017 Semtech
 *
 * \endcode
 *
 * \author    Miguel Luis （ Semtech ）
 *
 * \author    Gregory Cristian （ Semtech ）
 */
#include “board-config.h“
#include “i2c.h“
#include “gpio.h“
#include “sx9500.h“
#include “usbd_core.h“
#include “usbd_desc.h“
#include “usbd_dfu.h“
#include “usbd_dfu_flash.h“

extern PCD_HandleTypeDef hpcd;

USBD_HandleTypeDef USBD_Device;
pFunction JumpToApplication;
uint32_t JumpAddress;

/*
 * Board peripherals objects
 */
Gpio_t Led1;
Gpio_t Led2;
Gpio_t Led3;

I2c_t I2c;

void SystemClockConfig（ void ）;

static void DelayLoop（ volatile uint32_t nCount ）
{
    volatile uint32_t index = 0;
    for（ index = （ 5000 * nCount ）; index != 0; index-- ）
    {
    }
}

int main（ void ）
{
    uint8_t regValue = 0;
    uint8_t status = 0;
    uint16_t offset = 0;

    /* STM32L1xx HAL library initialization:
         - Configure the Flash prefetch
         - Systick timer is configured by default as source of time base but user
           can eventually implement his proper time base source （a general purpose
           timer for example or other time source） keeping in mind that Time base
           duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
           handled in milliseconds basis.
         - Set NVIC Group Priority to 4
         - Low Level Initialization
       */
    HAL_Init（ ）;

    SystemClockConfig（ ）;

    I2cInit（ &I2c I2C_1 I2C_SCL I2C_SDA ）;

    GpioInit（ &Led1 LED_1 PIN_OUTPUT PIN_PUSH_PULL PIN_NO_PULL 1 ）;
    GpioInit（ &Led2 LED_2 PIN_OUTPUT PIN_PUSH_PULL PIN_NO_PULL 1 ）;
    GpioInit（ &Led3 LED_3 PIN_OUTPUT PIN_PUSH_PULL PIN_NO_PULL 1 ）;

    // Init SAR
    SX9500Init（ ）;
    DelayLoop（ 100 ）;
    SX9500Write（ SX9500_REG_IRQMSK 0x10 ）;
    SX9500Write（ SX9500_REG_IRQSRC 0x10 ）;

    do
    {
        SX9500Read（ SX9500_REG_IRQSRC &status ）;
    }while（ （ status & 0x10 ） == 0x00 ）; // While compensation for CS0 is pending

    // Read 1st sensor offset
    SX9500Read（ SX9500_REG_OFFSETMSB （ uint8_t* ）®Value ）;
    offset = regValue << 8;
    SX9500Read（ SX9500_REG_OFFSETLSB （ uint8_t* ）®Value ）;
    offset |= regValue;

    if（ offset < 2000 ）
    { /* Test if user code is programmed starting from address 0x08007000 */
        if（ （ （ *（ volatile uint32_t* ）USBD_DFU_APP_DEFAULT_ADD ） & 0x2FFE0000 ） == 0x20000000 ）
        {
            /* Jump to user application */
            JumpAddress = *（ volatile uint32_t* ） （ USBD_DFU_APP_DEFAULT_ADD 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\
     文件          61  2018-04-04 07:13  SX126X-LoRaWAN-master\.gitignore
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\.vscode\
     文件        2669  2018-04-04 07:13  SX126X-LoRaWAN-master\.vscode\settings.json
     文件         789  2018-04-04 07:13  SX126X-LoRaWAN-master\CMakeLists.txt
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\
     文件      512945  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\LoRaMote-schematic.pdf
     文件     2025767  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\MoteII-datasheet.pdf
     文件      904699  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\MoteII-schematic.pdf
     文件       90921  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\NAMote72-schematic.pdf
     文件         521  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\SAML21-platform.md
     文件      278789  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\SX1276-Wing-Board-（03-91016-RA）.pdf
     文件     2020758  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\SensorNode-schematic.pdf
     文件       11229  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\development-environment.md
     文件      718857  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\iM880A_Datasheet.pdf
     文件      802746  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\iM881A_Datasheet.pdf
     文件     1343765  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\sx1261dvk1bas-e406v03a.pdf
     文件     2037509  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\sx1262dvk1cas-e428v03a.pdf
     文件     2104378  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\sx1262dvk1das-e449v01a.pdf
     文件      168968  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\sx1272mb2das-e364v02a.pdf
     文件      174250  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\sx1276mb1las-e311v02a.pdf
     文件      173094  2018-04-04 07:13  SX126X-LoRaWAN-master\Doc\sx1276mb1mas-e315v01a.pdf
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\LoRaMac\
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\LoRaMac\classA\
     文件      107099  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\LoRaMac\classA\LoRaMac.uvoptx
     文件      230644  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\LoRaMac\classA\LoRaMac.uvprojx
     目录           0  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\ping-pong\
     文件       74337  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\ping-pong\Ping-Pong.uvoptx
     文件       86098  2018-04-04 07:13  SX126X-LoRaWAN-master\Keil\NucleoL053\ping-pong\Ping-Pong.uvprojx
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