src/lib/SX1280Driver/SX1280_hal.h

   1 #pragma once
   2
   3 /*
   4   ______                              _
   5  / _____)             _              | |
   6 ( (____  _____ ____ _| |_ _____  ____| |__
   7  \____ \| ___ |    (_   _) ___ |/ ___)  _ \
   8  _____) ) ____| | | || |_| ____( (___| | | |
   9 (______/|_____)_|_|_| \__)_____)\____)_| |_|
  10     (C)2015 Semtech
  11
  12 Description: Handling of the node configuration protocol
  13
  14 License: Revised BSD License, see LICENSE.TXT file include in the project
  15
  16 Maintainer: Miguel Luis and Gregory Cristian
  17
  18 Heavily modified/simplified by Alessandro Carcione 2020 for ELRS project
  19 */
  20
  21 #include "SX1280_Regs.h"
  22 #include "SX1280.h"
  23
  24 enum SX1280_BusyState_
  25 {
  26     SX1280_NOT_BUSY = true,
  27     SX1280_BUSY = false,
  28 };
  29
  30 class SX1280Hal
  31 {
  32 public:
  33     static SX1280Hal *instance;
  34
  35     SX1280Hal();
  36
  37     void init();
  38     void end();
  39     void reset();
  40
  41     void ICACHE_RAM_ATTR WriteCommand(SX1280_RadioCommands_t opcode, uint8_t *buffer, uint8_t size);
  42     void ICACHE_RAM_ATTR WriteCommand(SX1280_RadioCommands_t command, uint8_t val);
  43     void ICACHE_RAM_ATTR WriteRegister(uint16_t address, uint8_t *buffer, uint8_t size);
  44     void ICACHE_RAM_ATTR WriteRegister(uint16_t address, uint8_t value);
  45
  46     void ICACHE_RAM_ATTR ReadCommand(SX1280_RadioCommands_t opcode, uint8_t *buffer, uint8_t size);
  47     void ICACHE_RAM_ATTR ReadRegister(uint16_t address, uint8_t *buffer, uint8_t size);
  48     uint8_t ICACHE_RAM_ATTR ReadRegister(uint16_t address);
  49
  50     void ICACHE_RAM_ATTR WriteBuffer(uint8_t offset, volatile uint8_t *buffer, uint8_t size); // Writes and Reads to FIFO
  51     void ICACHE_RAM_ATTR ReadBuffer(uint8_t offset, volatile uint8_t *buffer, uint8_t size);
  52
  53     bool ICACHE_RAM_ATTR WaitOnBusy();
  54
  55     void ICACHE_RAM_ATTR TXenable();
  56     void ICACHE_RAM_ATTR RXenable();
  57     void ICACHE_RAM_ATTR TXRXdisable();
  58
  59     static ICACHE_RAM_ATTR void dioISR();
  60     void (*IsrCallback)(); //function pointer for callback
  61
  62 #if defined(GPIO_PIN_BUSY) && (GPIO_PIN_BUSY != UNDEF_PIN)
  63     void BusyDelay(uint32_t duration) const { (void)duration; };
  64 #else
  65     uint32_t BusyDelayStart;
  66     uint32_t BusyDelayDuration;
  67     void BusyDelay(uint32_t duration)
  68     {
  69         BusyDelayStart = micros();
  70         BusyDelayDuration = duration;
  71     }
  72 #endif
  73 };