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Added const keywords

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This commit is contained in:
Thomas Basler 2024-01-14 16:36:35 +01:00
parent 18485ffefd
commit a1f2c93cf6
10 changed files with 1171 additions and 1171 deletions
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1556
lib/CMT2300a/cmt2300a.c
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192
lib/CMT2300a/cmt2300a.h
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@ -1,96 +1,96 @@
/*
* THE FOLLOWING FIRMWARE IS PROVIDED: (1) "AS IS" WITH NO WARRANTY; AND
* (2)TO ENABLE ACCESS TO CODING INFORMATION TO GUIDE AND FACILITATE CUSTOMER.
* CONSEQUENTLY, CMOSTEK SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR
* CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* Copyright (C) CMOSTEK SZ.
*/
/*!
* @file cmt2300a.h
* @brief CMT2300A transceiver RF chip driver
*
* @version 1.3
* @date Jul 17 2017
* @author CMOSTEK R@D
*/
#ifndef __CMT2300A_H
#define __CMT2300A_H
#include "cmt2300a_defs.h"
#include "cmt2300a_hal.h"
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ENABLE_AUTO_SWITCH_CHIP_STATUS /* Enable the auto switch chip status */
/* ************************************************************************
The following are for chip status controls.
* ************************************************************************ */
void CMT2300A_SoftReset(void);
uint8_t CMT2300A_GetChipStatus(void);
bool CMT2300A_AutoSwitchStatus(uint8_t nGoCmd);
bool CMT2300A_GoSleep(void);
bool CMT2300A_GoStby(void);
bool CMT2300A_GoTFS(void);
bool CMT2300A_GoRFS(void);
bool CMT2300A_GoTx(void);
bool CMT2300A_GoRx(void);
/* ************************************************************************
* The following are for chip interrupts, GPIO, FIFO operations.
* ************************************************************************ */
void CMT2300A_ConfigGpio(uint8_t nGpioSel);
void CMT2300A_ConfigInterrupt(uint8_t nInt1Sel, uint8_t nInt2Sel);
void CMT2300A_SetInterruptPolar(bool bActiveHigh);
void CMT2300A_SetFifoThreshold(uint8_t nFifoThreshold);
void CMT2300A_EnableAntennaSwitch(uint8_t nMode);
void CMT2300A_EnableInterrupt(uint8_t nEnable);
void CMT2300A_EnableRxFifoAutoClear(bool bEnable);
void CMT2300A_EnableFifoMerge(bool bEnable);
void CMT2300A_EnableReadFifo(void);
void CMT2300A_EnableWriteFifo(void);
void CMT2300A_RestoreFifo(void);
uint8_t CMT2300A_ClearTxFifo(void);
uint8_t CMT2300A_ClearRxFifo(void);
uint8_t CMT2300A_ClearInterruptFlags(void);
/* ************************************************************************
* The following are for Tx DIN operations in direct mode.
* ************************************************************************ */
void CMT2300A_ConfigTxDin(uint8_t nDinSel);
void CMT2300A_EnableTxDin(bool bEnable);
void CMT2300A_EnableTxDinInvert(bool bEnable);
/* ************************************************************************
* The following are general operations.
* ************************************************************************ */
bool CMT2300A_IsExist(void);
uint8_t CMT2300A_GetRssiCode(void);
int CMT2300A_GetRssiDBm(void);
void CMT2300A_SetFrequencyChannel(uint8_t nChann);
void CMT2300A_SetFrequencyStep(uint8_t nOffset);
void CMT2300A_SetPayloadLength(uint16_t nLength);
void CMT2300A_EnableLfosc(bool bEnable);
void CMT2300A_EnableLfoscOutput(bool bEnable);
void CMT2300A_EnableAfc(bool bEnable);
void CMT2300A_SetAfcOvfTh(uint8_t afcOvfTh);
/* ************************************************************************
* The following are for chip initializes.
* ************************************************************************ */
bool CMT2300A_Init(void);
bool CMT2300A_ConfigRegBank(uint8_t base_addr, const uint8_t bank[], uint8_t len);
#ifdef __cplusplus
}
#endif
#endif
/*
* THE FOLLOWING FIRMWARE IS PROVIDED: (1) "AS IS" WITH NO WARRANTY; AND
* (2)TO ENABLE ACCESS TO CODING INFORMATION TO GUIDE AND FACILITATE CUSTOMER.
* CONSEQUENTLY, CMOSTEK SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR
* CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* Copyright (C) CMOSTEK SZ.
*/
/*!
* @file cmt2300a.h
* @brief CMT2300A transceiver RF chip driver
*
* @version 1.3
* @date Jul 17 2017
* @author CMOSTEK R@D
*/
#ifndef __CMT2300A_H
#define __CMT2300A_H
#include "cmt2300a_defs.h"
#include "cmt2300a_hal.h"
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ENABLE_AUTO_SWITCH_CHIP_STATUS /* Enable the auto switch chip status */
/* ************************************************************************
The following are for chip status controls.
* ************************************************************************ */
void CMT2300A_SoftReset(void);
uint8_t CMT2300A_GetChipStatus(void);
bool CMT2300A_AutoSwitchStatus(uint8_t nGoCmd);
bool CMT2300A_GoSleep(void);
bool CMT2300A_GoStby(void);
bool CMT2300A_GoTFS(void);
bool CMT2300A_GoRFS(void);
bool CMT2300A_GoTx(void);
bool CMT2300A_GoRx(void);
/* ************************************************************************
* The following are for chip interrupts, GPIO, FIFO operations.
* ************************************************************************ */
void CMT2300A_ConfigGpio(uint8_t nGpioSel);
void CMT2300A_ConfigInterrupt(uint8_t nInt1Sel, uint8_t nInt2Sel);
void CMT2300A_SetInterruptPolar(bool bActiveHigh);
void CMT2300A_SetFifoThreshold(uint8_t nFifoThreshold);
void CMT2300A_EnableAntennaSwitch(uint8_t nMode);
void CMT2300A_EnableInterrupt(uint8_t nEnable);
void CMT2300A_EnableRxFifoAutoClear(bool bEnable);
void CMT2300A_EnableFifoMerge(bool bEnable);
void CMT2300A_EnableReadFifo(void);
void CMT2300A_EnableWriteFifo(void);
void CMT2300A_RestoreFifo(void);
uint8_t CMT2300A_ClearTxFifo(void);
uint8_t CMT2300A_ClearRxFifo(void);
uint8_t CMT2300A_ClearInterruptFlags(void);
/* ************************************************************************
* The following are for Tx DIN operations in direct mode.
* ************************************************************************ */
void CMT2300A_ConfigTxDin(uint8_t nDinSel);
void CMT2300A_EnableTxDin(bool bEnable);
void CMT2300A_EnableTxDinInvert(bool bEnable);
/* ************************************************************************
* The following are general operations.
* ************************************************************************ */
bool CMT2300A_IsExist(void);
uint8_t CMT2300A_GetRssiCode(void);
int CMT2300A_GetRssiDBm(void);
void CMT2300A_SetFrequencyChannel(const uint8_t nChann);
void CMT2300A_SetFrequencyStep(uint8_t nOffset);
void CMT2300A_SetPayloadLength(uint16_t nLength);
void CMT2300A_EnableLfosc(bool bEnable);
void CMT2300A_EnableLfoscOutput(bool bEnable);
void CMT2300A_EnableAfc(bool bEnable);
void CMT2300A_SetAfcOvfTh(uint8_t afcOvfTh);
/* ************************************************************************
* The following are for chip initializes.
* ************************************************************************ */
bool CMT2300A_Init(void);
bool CMT2300A_ConfigRegBank(uint8_t base_addr, const uint8_t bank[], uint8_t len);
#ifdef __cplusplus
}
#endif
#endif

152
lib/CMT2300a/cmt2300a_hal.c
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@ -1,76 +1,76 @@
/*
* THE FOLLOWING FIRMWARE IS PROVIDED: (1) "AS IS" WITH NO WARRANTY; AND
* (2)TO ENABLE ACCESS TO CODING INFORMATION TO GUIDE AND FACILITATE CUSTOMER.
* CONSEQUENTLY, CMOSTEK SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR
* CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* Copyright (C) CMOSTEK SZ.
*/
/*!
* @file cmt2300a_hal.c
* @brief CMT2300A hardware abstraction layer
*
* @version 1.2
* @date Jul 17 2017
* @author CMOSTEK R@D
*/
#include "cmt2300a_hal.h"
#include "cmt_spi3.h"
#include <Arduino.h>
/*! ********************************************************
* @name CMT2300A_InitSpi
* @desc Initializes the CMT2300A SPI interface.
* *********************************************************/
void CMT2300A_InitSpi(int8_t pin_sdio, int8_t pin_clk, int8_t pin_cs, int8_t pin_fcs, uint32_t spi_speed)
{
cmt_spi3_init(pin_sdio, pin_clk, pin_cs, pin_fcs, spi_speed);
}
/*! ********************************************************
* @name CMT2300A_ReadReg
* @desc Read the CMT2300A register at the specified address.
* @param addr: register address
* @return Register value
* *********************************************************/
uint8_t CMT2300A_ReadReg(uint8_t addr)
{
return cmt_spi3_read(addr);
}
/*! ********************************************************
* @name CMT2300A_WriteReg
* @desc Write the CMT2300A register at the specified address.
* @param addr: register address
* dat: register value
* *********************************************************/
void CMT2300A_WriteReg(uint8_t addr, uint8_t dat)
{
cmt_spi3_write(addr, dat);
}
/*! ********************************************************
* @name CMT2300A_ReadFifo
* @desc Reads the contents of the CMT2300A FIFO.
* @param buf: buffer where to copy the FIFO read data
* len: number of bytes to be read from the FIFO
* *********************************************************/
void CMT2300A_ReadFifo(uint8_t buf[], uint16_t len)
{
cmt_spi3_read_fifo(buf, len);
}
/*! ********************************************************
* @name CMT2300A_WriteFifo
* @desc Writes the buffer contents to the CMT2300A FIFO.
* @param buf: buffer containing data to be put on the FIFO
* len: number of bytes to be written to the FIFO
* *********************************************************/
void CMT2300A_WriteFifo(const uint8_t buf[], uint16_t len)
{
cmt_spi3_write_fifo(buf, len);
}
/*
* THE FOLLOWING FIRMWARE IS PROVIDED: (1) "AS IS" WITH NO WARRANTY; AND
* (2)TO ENABLE ACCESS TO CODING INFORMATION TO GUIDE AND FACILITATE CUSTOMER.
* CONSEQUENTLY, CMOSTEK SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR
* CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* Copyright (C) CMOSTEK SZ.
*/
/*!
* @file cmt2300a_hal.c
* @brief CMT2300A hardware abstraction layer
*
* @version 1.2
* @date Jul 17 2017
* @author CMOSTEK R@D
*/
#include "cmt2300a_hal.h"
#include "cmt_spi3.h"
#include <Arduino.h>
/*! ********************************************************
* @name CMT2300A_InitSpi
* @desc Initializes the CMT2300A SPI interface.
* *********************************************************/
void CMT2300A_InitSpi(const int8_t pin_sdio, const int8_t pin_clk, const int8_t pin_cs, const int8_t pin_fcs, const uint32_t spi_speed)
{
cmt_spi3_init(pin_sdio, pin_clk, pin_cs, pin_fcs, spi_speed);
}
/*! ********************************************************
* @name CMT2300A_ReadReg
* @desc Read the CMT2300A register at the specified address.
* @param addr: register address
* @return Register value
* *********************************************************/
uint8_t CMT2300A_ReadReg(const uint8_t addr)
{
return cmt_spi3_read(addr);
}
/*! ********************************************************
* @name CMT2300A_WriteReg
* @desc Write the CMT2300A register at the specified address.
* @param addr: register address
* dat: register value
* *********************************************************/
void CMT2300A_WriteReg(const uint8_t addr, const uint8_t dat)
{
cmt_spi3_write(addr, dat);
}
/*! ********************************************************
* @name CMT2300A_ReadFifo
* @desc Reads the contents of the CMT2300A FIFO.
* @param buf: buffer where to copy the FIFO read data
* len: number of bytes to be read from the FIFO
* *********************************************************/
void CMT2300A_ReadFifo(uint8_t buf[], const uint16_t len)
{
cmt_spi3_read_fifo(buf, len);
}
/*! ********************************************************
* @name CMT2300A_WriteFifo
* @desc Writes the buffer contents to the CMT2300A FIFO.
* @param buf: buffer containing data to be put on the FIFO
* len: number of bytes to be written to the FIFO
* *********************************************************/
void CMT2300A_WriteFifo(const uint8_t buf[], const uint16_t len)
{
cmt_spi3_write_fifo(buf, len);
}

102
lib/CMT2300a/cmt2300a_hal.h
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@ -1,51 +1,51 @@
/*
* THE FOLLOWING FIRMWARE IS PROVIDED: (1) "AS IS" WITH NO WARRANTY; AND
* (2)TO ENABLE ACCESS TO CODING INFORMATION TO GUIDE AND FACILITATE CUSTOMER.
* CONSEQUENTLY, CMOSTEK SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR
* CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* Copyright (C) CMOSTEK SZ.
*/
/*!
* @file cmt2300a_hal.h
* @brief CMT2300A hardware abstraction layer
*
* @version 1.2
* @date Jul 17 2017
* @author CMOSTEK R@D
*/
#ifndef __CMT2300A_HAL_H
#define __CMT2300A_HAL_H
#include <stdint.h>
#include <Arduino.h>
#ifdef __cplusplus
extern "C" {
#endif
/* ************************************************************************
* The following need to be modified by user
* ************************************************************************ */
#define CMT2300A_DelayMs(ms) delay(ms)
#define CMT2300A_DelayUs(us) delayMicroseconds(us)
#define CMT2300A_GetTickCount() millis()
/* ************************************************************************ */
void CMT2300A_InitSpi(int8_t pin_sdio, int8_t pin_clk, int8_t pin_cs, int8_t pin_fcs, uint32_t spi_speed);
uint8_t CMT2300A_ReadReg(uint8_t addr);
void CMT2300A_WriteReg(uint8_t addr, uint8_t dat);
void CMT2300A_ReadFifo(uint8_t buf[], uint16_t len);
void CMT2300A_WriteFifo(const uint8_t buf[], uint16_t len);
#ifdef __cplusplus
}
#endif
#endif
/*
* THE FOLLOWING FIRMWARE IS PROVIDED: (1) "AS IS" WITH NO WARRANTY; AND
* (2)TO ENABLE ACCESS TO CODING INFORMATION TO GUIDE AND FACILITATE CUSTOMER.
* CONSEQUENTLY, CMOSTEK SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR
* CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* Copyright (C) CMOSTEK SZ.
*/
/*!
* @file cmt2300a_hal.h
* @brief CMT2300A hardware abstraction layer
*
* @version 1.2
* @date Jul 17 2017
* @author CMOSTEK R@D
*/
#ifndef __CMT2300A_HAL_H
#define __CMT2300A_HAL_H
#include <stdint.h>
#include <Arduino.h>
#ifdef __cplusplus
extern "C" {
#endif
/* ************************************************************************
* The following need to be modified by user
* ************************************************************************ */
#define CMT2300A_DelayMs(ms) delay(ms)
#define CMT2300A_DelayUs(us) delayMicroseconds(us)
#define CMT2300A_GetTickCount() millis()
/* ************************************************************************ */
void CMT2300A_InitSpi(const int8_t pin_sdio, const int8_t pin_clk, const int8_t pin_cs, const int8_t pin_fcs, const uint32_t spi_speed);
uint8_t CMT2300A_ReadReg(const uint8_t addr);
void CMT2300A_WriteReg(const uint8_t addr, const uint8_t dat);
void CMT2300A_ReadFifo(uint8_t buf[], const uint16_t len);
void CMT2300A_WriteFifo(const uint8_t buf[], const uint16_t len);
#ifdef __cplusplus
}
#endif
#endif

10
lib/CMT2300a/cmt2300wrapper.cpp
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@ -7,7 +7,7 @@
#include "cmt2300a_params_860.h"
#include "cmt2300a_params_900.h"
CMT2300A::CMT2300A(uint8_t pin_sdio, uint8_t pin_clk, uint8_t pin_cs, uint8_t pin_fcs, uint32_t spi_speed)
CMT2300A::CMT2300A(const uint8_t pin_sdio, const uint8_t pin_clk, const uint8_t pin_cs, const uint8_t pin_fcs, const uint32_t spi_speed)
{
_pin_sdio = pin_sdio;
_pin_clk = pin_clk;
@ -58,7 +58,7 @@ bool CMT2300A::available(void)
) & CMT2300A_ReadReg(CMT2300A_CUS_INT_FLAG);
}
void CMT2300A::read(void* buf, uint8_t len)
void CMT2300A::read(void* buf, const uint8_t len)
{
// Fetch the payload
CMT2300A_ReadFifo(static_cast<uint8_t*>(buf), len);
@ -66,7 +66,7 @@ void CMT2300A::read(void* buf, uint8_t len)
CMT2300A_ClearInterruptFlags();
}
bool CMT2300A::write(const uint8_t* buf, uint8_t len)
bool CMT2300A::write(const uint8_t* buf, const uint8_t len)
{
CMT2300A_GoStby();
CMT2300A_ClearInterruptFlags();
@ -101,7 +101,7 @@ bool CMT2300A::write(const uint8_t* buf, uint8_t len)
return true;
}
void CMT2300A::setChannel(uint8_t channel)
void CMT2300A::setChannel(const uint8_t channel)
{
CMT2300A_SetFrequencyChannel(channel);
}
@ -123,7 +123,7 @@ int CMT2300A::getRssiDBm()
return CMT2300A_GetRssiDBm();
}
bool CMT2300A::setPALevel(int8_t level)
bool CMT2300A::setPALevel(const int8_t level)
{
uint16_t Tx_dBm_word;
switch (level) {

10
lib/CMT2300a/cmt2300wrapper.h
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@ -18,7 +18,7 @@ enum FrequencyBand_t {
class CMT2300A {
public:
CMT2300A(uint8_t pin_sdio, uint8_t pin_clk, uint8_t pin_cs, uint8_t pin_fcs, uint32_t _spi_speed = CMT_SPI_SPEED);
CMT2300A(const uint8_t pin_sdio, const uint8_t pin_clk, const uint8_t pin_cs, const uint8_t pin_fcs, const uint32_t _spi_speed = CMT_SPI_SPEED);
bool begin(void);
@ -62,15 +62,15 @@ public:
* in one call is 32 (for dynamic payload lengths) or whatever number was
* previously passed to setPayloadSize() (for static payload lengths).
*/
void read(void* buf, uint8_t len);
void read(void* buf, const uint8_t len);
bool write(const uint8_t* buf, uint8_t len);
bool write(const uint8_t* buf, const uint8_t len);
/**
* Set RF communication channel. The frequency used by a channel is
* @param channel Which RF channel to communicate on, 0-254
*/
void setChannel(uint8_t channel);
void setChannel(const uint8_t channel);
/**
* Get RF communication channel
@ -90,7 +90,7 @@ public:
int getRssiDBm();
bool setPALevel(int8_t level);
bool setPALevel(const int8_t level);
bool rxFifoAvailable();

284
lib/CMT2300a/cmt_spi3.c
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@ -1,142 +1,142 @@
#include "cmt_spi3.h"
#include <Arduino.h>
#include <driver/spi_master.h>
#include <esp_rom_gpio.h> // for esp_rom_gpio_connect_out_signal
SemaphoreHandle_t paramLock = NULL;
#define SPI_PARAM_LOCK() \
do { \
} while (xSemaphoreTake(paramLock, portMAX_DELAY) != pdPASS)
#define SPI_PARAM_UNLOCK() xSemaphoreGive(paramLock)
// for ESP32 this is the so-called HSPI
// for ESP32-S2/S3/C3 this nomenclature does not really exist anymore,
// it is simply the first externally usable hardware SPI master controller
#define SPI_CMT SPI2_HOST
spi_device_handle_t spi_reg, spi_fifo;
void cmt_spi3_init(int8_t pin_sdio, int8_t pin_clk, int8_t pin_cs, int8_t pin_fcs, uint32_t spi_speed)
{
paramLock = xSemaphoreCreateMutex();
spi_bus_config_t buscfg = {
.mosi_io_num = pin_sdio,
.miso_io_num = -1, // single wire MOSI/MISO
.sclk_io_num = pin_clk,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = 32,
};
spi_device_interface_config_t devcfg = {
.command_bits = 1,
.address_bits = 7,
.dummy_bits = 0,
.mode = 0, // SPI mode 0
.cs_ena_pretrans = 1,
.cs_ena_posttrans = 1,
.clock_speed_hz = spi_speed,
.spics_io_num = pin_cs,
.flags = SPI_DEVICE_HALFDUPLEX | SPI_DEVICE_3WIRE,
.queue_size = 1,
.pre_cb = NULL,
.post_cb = NULL,
};
ESP_ERROR_CHECK(spi_bus_initialize(SPI_CMT, &buscfg, SPI_DMA_DISABLED));
ESP_ERROR_CHECK(spi_bus_add_device(SPI_CMT, &devcfg, &spi_reg));
// FiFo
spi_device_interface_config_t devcfg2 = {
.command_bits = 0,
.address_bits = 0,
.dummy_bits = 0,
.mode = 0, // SPI mode 0
.cs_ena_pretrans = 2,
.cs_ena_posttrans = (uint8_t)(1 / (spi_speed * 10e6 * 2) + 2), // >2 us
.clock_speed_hz = spi_speed,
.spics_io_num = pin_fcs,
.flags = SPI_DEVICE_HALFDUPLEX | SPI_DEVICE_3WIRE,
.queue_size = 1,
.pre_cb = NULL,
.post_cb = NULL,
};
ESP_ERROR_CHECK(spi_bus_add_device(SPI_CMT, &devcfg2, &spi_fifo));
esp_rom_gpio_connect_out_signal(pin_sdio, spi_periph_signal[SPI_CMT].spid_out, true, false);
delay(100);
}
void cmt_spi3_write(uint8_t addr, uint8_t dat)
{
uint8_t tx_data;
tx_data = ~dat;
spi_transaction_t t = {
.cmd = 1,
.addr = ~addr,
.length = 8,
.tx_buffer = &tx_data,
.rx_buffer = NULL
};
SPI_PARAM_LOCK();
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_reg, &t));
SPI_PARAM_UNLOCK();
delayMicroseconds(100);
}
uint8_t cmt_spi3_read(uint8_t addr)
{
uint8_t rx_data;
spi_transaction_t t = {
.cmd = 0,
.addr = ~addr,
.length = 8,
.rxlength = 8,
.tx_buffer = NULL,
.rx_buffer = &rx_data
};
SPI_PARAM_LOCK();
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_reg, &t));
SPI_PARAM_UNLOCK();
delayMicroseconds(100);
return rx_data;
}
void cmt_spi3_write_fifo(const uint8_t* buf, uint16_t len)
{
uint8_t tx_data;
spi_transaction_t t = {
.length = 8,
.tx_buffer = &tx_data, // reference to write data
.rx_buffer = NULL
};
SPI_PARAM_LOCK();
for (uint8_t i = 0; i < len; i++) {
tx_data = ~buf[i]; // negate buffer contents
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_fifo, &t));
delayMicroseconds(4); // > 4 us
}
SPI_PARAM_UNLOCK();
}
void cmt_spi3_read_fifo(uint8_t* buf, uint16_t len)
{
uint8_t rx_data;
spi_transaction_t t = {
.length = 8,
.rxlength = 8,
.tx_buffer = NULL,
.rx_buffer = &rx_data
};
SPI_PARAM_LOCK();
for (uint8_t i = 0; i < len; i++) {
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_fifo, &t));
delayMicroseconds(4); // > 4 us
buf[i] = rx_data;
}
SPI_PARAM_UNLOCK();
}
#include "cmt_spi3.h"
#include <Arduino.h>
#include <driver/spi_master.h>
#include <esp_rom_gpio.h> // for esp_rom_gpio_connect_out_signal
SemaphoreHandle_t paramLock = NULL;
#define SPI_PARAM_LOCK() \
do { \
} while (xSemaphoreTake(paramLock, portMAX_DELAY) != pdPASS)
#define SPI_PARAM_UNLOCK() xSemaphoreGive(paramLock)
// for ESP32 this is the so-called HSPI
// for ESP32-S2/S3/C3 this nomenclature does not really exist anymore,
// it is simply the first externally usable hardware SPI master controller
#define SPI_CMT SPI2_HOST
spi_device_handle_t spi_reg, spi_fifo;
void cmt_spi3_init(const int8_t pin_sdio, const int8_t pin_clk, const int8_t pin_cs, const int8_t pin_fcs, const uint32_t spi_speed)
{
paramLock = xSemaphoreCreateMutex();
spi_bus_config_t buscfg = {
.mosi_io_num = pin_sdio,
.miso_io_num = -1, // single wire MOSI/MISO
.sclk_io_num = pin_clk,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = 32,
};
spi_device_interface_config_t devcfg = {
.command_bits = 1,
.address_bits = 7,
.dummy_bits = 0,
.mode = 0, // SPI mode 0
.cs_ena_pretrans = 1,
.cs_ena_posttrans = 1,
.clock_speed_hz = spi_speed,
.spics_io_num = pin_cs,
.flags = SPI_DEVICE_HALFDUPLEX | SPI_DEVICE_3WIRE,
.queue_size = 1,
.pre_cb = NULL,
.post_cb = NULL,
};
ESP_ERROR_CHECK(spi_bus_initialize(SPI_CMT, &buscfg, SPI_DMA_DISABLED));
ESP_ERROR_CHECK(spi_bus_add_device(SPI_CMT, &devcfg, &spi_reg));
// FiFo
spi_device_interface_config_t devcfg2 = {
.command_bits = 0,
.address_bits = 0,
.dummy_bits = 0,
.mode = 0, // SPI mode 0
.cs_ena_pretrans = 2,
.cs_ena_posttrans = (uint8_t)(1 / (spi_speed * 10e6 * 2) + 2), // >2 us
.clock_speed_hz = spi_speed,
.spics_io_num = pin_fcs,
.flags = SPI_DEVICE_HALFDUPLEX | SPI_DEVICE_3WIRE,
.queue_size = 1,
.pre_cb = NULL,
.post_cb = NULL,
};
ESP_ERROR_CHECK(spi_bus_add_device(SPI_CMT, &devcfg2, &spi_fifo));
esp_rom_gpio_connect_out_signal(pin_sdio, spi_periph_signal[SPI_CMT].spid_out, true, false);
delay(100);
}
void cmt_spi3_write(const uint8_t addr, const uint8_t dat)
{
uint8_t tx_data;
tx_data = ~dat;
spi_transaction_t t = {
.cmd = 1,
.addr = ~addr,
.length = 8,
.tx_buffer = &tx_data,
.rx_buffer = NULL
};
SPI_PARAM_LOCK();
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_reg, &t));
SPI_PARAM_UNLOCK();
delayMicroseconds(100);
}
uint8_t cmt_spi3_read(const uint8_t addr)
{
uint8_t rx_data;
spi_transaction_t t = {
.cmd = 0,
.addr = ~addr,
.length = 8,
.rxlength = 8,
.tx_buffer = NULL,
.rx_buffer = &rx_data
};
SPI_PARAM_LOCK();
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_reg, &t));
SPI_PARAM_UNLOCK();
delayMicroseconds(100);
return rx_data;
}
void cmt_spi3_write_fifo(const uint8_t* buf, const uint16_t len)
{
uint8_t tx_data;
spi_transaction_t t = {
.length = 8,
.tx_buffer = &tx_data, // reference to write data
.rx_buffer = NULL
};
SPI_PARAM_LOCK();
for (uint8_t i = 0; i < len; i++) {
tx_data = ~buf[i]; // negate buffer contents
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_fifo, &t));
delayMicroseconds(4); // > 4 us
}
SPI_PARAM_UNLOCK();
}
void cmt_spi3_read_fifo(uint8_t* buf, const uint16_t len)
{
uint8_t rx_data;
spi_transaction_t t = {
.length = 8,
.rxlength = 8,
.tx_buffer = NULL,
.rx_buffer = &rx_data
};
SPI_PARAM_LOCK();
for (uint8_t i = 0; i < len; i++) {
ESP_ERROR_CHECK(spi_device_polling_transmit(spi_fifo, &t));
delayMicroseconds(4); // > 4 us
buf[i] = rx_data;
}
SPI_PARAM_UNLOCK();
}

28
lib/CMT2300a/cmt_spi3.h
View File

@ -1,14 +1,14 @@
#ifndef __CMT_SPI3_H
#define __CMT_SPI3_H
#include <stdint.h>
void cmt_spi3_init(int8_t pin_sdio, int8_t pin_clk, int8_t pin_cs, int8_t pin_fcs, uint32_t spi_speed);
void cmt_spi3_write(uint8_t addr, uint8_t dat);
uint8_t cmt_spi3_read(uint8_t addr);
void cmt_spi3_write_fifo(const uint8_t* p_buf, uint16_t len);
void cmt_spi3_read_fifo(uint8_t* p_buf, uint16_t len);
#endif
#ifndef __CMT_SPI3_H
#define __CMT_SPI3_H
#include <stdint.h>
void cmt_spi3_init(const int8_t pin_sdio, const int8_t pin_clk, const int8_t pin_cs, const int8_t pin_fcs, const uint32_t spi_speed);
void cmt_spi3_write(const uint8_t addr, const uint8_t dat);
uint8_t cmt_spi3_read(const uint8_t addr);
void cmt_spi3_write_fifo(const uint8_t* p_buf, const uint16_t len);
void cmt_spi3_read_fifo(uint8_t* p_buf, const uint16_t len);
#endif

4
lib/Hoymiles/src/HoymilesRadio_CMT.cpp
View File

@ -52,7 +52,7 @@ uint8_t HoymilesRadio_CMT::getChannelFromFrequency(const uint32_t frequency) con
return (frequency - _radio->getBaseFrequency()) / getChannelWidth(); // frequency to channel
}
std::vector<CountryFrequencyList_t> HoymilesRadio_CMT::getCountryFrequencyList()
std::vector<CountryFrequencyList_t> HoymilesRadio_CMT::getCountryFrequencyList() const
{
std::vector<CountryFrequencyList_t> v;
for (const auto& [key, value] : countryDefinition) {
@ -237,7 +237,7 @@ CountryModeId_t HoymilesRadio_CMT::getCountryMode() const
return _countryMode;
}
void HoymilesRadio_CMT::setCountryMode(CountryModeId_t mode)
void HoymilesRadio_CMT::setCountryMode(const CountryModeId_t mode)
{
_radio->setFrequencyBand(countryDefinition.at(mode).Band);
_countryMode = mode;

4
lib/Hoymiles/src/HoymilesRadio_CMT.h
View File

@ -57,14 +57,14 @@ public:
}
CountryModeId_t getCountryMode() const;
void setCountryMode(CountryModeId_t mode);
void setCountryMode(const CountryModeId_t mode);
uint32_t getInvBootFrequency() const;
uint32_t getFrequencyFromChannel(const uint8_t channel) const;
uint8_t getChannelFromFrequency(const uint32_t frequency) const;
std::vector<CountryFrequencyList_t> getCountryFrequencyList();
std::vector<CountryFrequencyList_t> getCountryFrequencyList() const;
private:
void ARDUINO_ISR_ATTR handleInt1();