56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <stdint.h>
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#define CMT2300A_ONE_STEP_SIZE 2500 // frequency channel step size for fast frequency hopping operation: One step size is 2.5 kHz.
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#define CMT_BASE_FREQ 860000000 // from Frequency Bank in cmt2300a_params.h
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#define FH_OFFSET 100 // value * CMT2300A_ONE_STEP_SIZE = channel frequency offset
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#define CMT_SPI_SPEED 4000000 // 4 MHz
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class CMT2300A {
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public:
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CMT2300A(uint8_t pin_sdio, uint8_t pin_clk, uint8_t pin_cs, uint8_t pin_fcs, uint32_t _spi_speed = CMT_SPI_SPEED);
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bool begin(void);
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/**
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* Checks if the chip is connected to the SPI bus
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*/
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bool isChipConnected();
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bool write(const uint8_t* buf, uint8_t len);
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/**
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* Set RF communication channel. The frequency used by a channel is
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* @param channel Which RF channel to communicate on, 0-254
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*/
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void setChannel(uint8_t channel);
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/**
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* Get RF communication channel
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* @return The currently configured RF Channel
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*/
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uint8_t getChannel(void);
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bool setPALevel(int8_t level);
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private:
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/**
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* initialize the GPIO pins
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*/
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bool _init_pins();
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/**
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* initialize radio.
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* @warning This function assumes the SPI bus object's begin() method has been
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* previously called.
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*/
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bool _init_radio();
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int8_t _pin_sdio;
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int8_t _pin_clk;
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int8_t _pin_cs;
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int8_t _pin_fcs;
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uint32_t _spi_speed;
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}; |