/*!
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*
* \file MCR20Drv.c
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
* INCLUDED HEADERS *
*---------------------------------------------------------------------------*
* Add to this section all the headers that this module needs to include. *
*---------------------------------------------------------------------------*
*****************************************************************************/
#include "MCR20Drv.h"
#include "MCR20Reg.h"
#include "XcvrSpi.h"
#if defined(MBED_CONF_NANOSTACK_CONFIGURATION) && DEVICE_SPI && DEVICE_INTERRUPTIN && defined(MBED_CONF_RTOS_PRESENT)
#include "platform/mbed_critical.h"
#include <string.h>
/*****************************************************************************
* PRIVATE VARIABLES *
*---------------------------------------------------------------------------*
* Add to this section all the variables and constants that have local *
* (file) scope. *
* Each of this declarations shall be preceded by the 'static' keyword. *
* These variables / constants cannot be accessed outside this module. *
*---------------------------------------------------------------------------*
*****************************************************************************/
uint32_t mPhyIrqDisableCnt = 1;
/*****************************************************************************
* PUBLIC VARIABLES *
*---------------------------------------------------------------------------*
* Add to this section all the variables and constants that have global *
* (project) scope. *
* These variables / constants can be accessed outside this module. *
* These variables / constants shall be preceded by the 'extern' keyword in *
* the interface header. *
*---------------------------------------------------------------------------*
*****************************************************************************/
/*****************************************************************************
* PRIVATE FUNCTIONS PROTOTYPES *
*---------------------------------------------------------------------------*
* Add to this section all the functions prototypes that have local (file) *
* scope. *
* These functions cannot be accessed outside this module. *
* These declarations shall be preceded by the 'static' keyword. *
*---------------------------------------------------------------------------*
*****************************************************************************/
/*****************************************************************************
* PRIVATE FUNCTIONS *
*---------------------------------------------------------------------------*
* Add to this section all the functions that have local (file) scope. *
* These functions cannot be accessed outside this module. *
* These definitions shall be preceded by the 'static' keyword. *
*---------------------------------------------------------------------------*
*****************************************************************************/
/*****************************************************************************
* PUBLIC FUNCTIONS *
*---------------------------------------------------------------------------*
* Add to this section all the functions that have global (project) scope. *
* These functions can be accessed outside this module. *
* These functions shall have their declarations (prototypes) within the *
* interface header file and shall be preceded by the 'extern' keyword. *
*---------------------------------------------------------------------------*
*****************************************************************************/
/*---------------------------------------------------------------------------
* Name: MCR20Drv_Init
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_Init
(
void
)
{
xcvr_spi_init(gXcvrSpiInstance_c);
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 8000000);
gXcvrDeassertCS_d();
RF_IRQ_Init();
RF_IRQ_Disable();
mPhyIrqDisableCnt = 1;
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_DirectAccessSPIWrite
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_DirectAccessSPIWrite
(
uint8_t address,
uint8_t value
)
{
uint16_t txData;
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 16000000);
gXcvrAssertCS_d();
txData = (address & TransceiverSPI_DirectRegisterAddressMask);
txData |= value << 8;
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)&txData, 0, sizeof(txData));
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_DirectAccessSPIMultiByteWrite
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_DirectAccessSPIMultiByteWrite
(
uint8_t startAddress,
uint8_t *byteArray,
uint8_t numOfBytes
)
{
uint8_t txData;
if ((numOfBytes == 0) || (byteArray == NULL)) {
return;
}
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 16000000);
gXcvrAssertCS_d();
txData = (startAddress & TransceiverSPI_DirectRegisterAddressMask);
xcvr_spi_transfer(gXcvrSpiInstance_c, &txData, 0, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, byteArray, 0, numOfBytes);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_PB_SPIByteWrite
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_PB_SPIByteWrite
(
uint8_t address,
uint8_t value
)
{
uint32_t txData;
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 16000000);
gXcvrAssertCS_d();
txData = TransceiverSPI_WriteSelect |
TransceiverSPI_PacketBuffAccessSelect |
TransceiverSPI_PacketBuffByteModeSelect;
txData |= (address) << 8;
txData |= (value) << 16;
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)&txData, 0, 3);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_PB_SPIBurstWrite
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_PB_SPIBurstWrite
(
uint8_t *byteArray,
uint8_t numOfBytes
)
{
uint8_t txData;
if ((numOfBytes == 0) || (byteArray == NULL)) {
return;
}
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 16000000);
gXcvrAssertCS_d();
txData = TransceiverSPI_WriteSelect |
TransceiverSPI_PacketBuffAccessSelect |
TransceiverSPI_PacketBuffBurstModeSelect;
xcvr_spi_transfer(gXcvrSpiInstance_c, &txData, 0, 1);
xcvr_spi_transfer(gXcvrSpiInstance_c, byteArray, 0, numOfBytes);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_DirectAccessSPIRead
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
uint8_t MCR20Drv_DirectAccessSPIRead
(
uint8_t address
)
{
uint8_t txData;
uint8_t rxData;
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 8000000);
gXcvrAssertCS_d();
txData = (address & TransceiverSPI_DirectRegisterAddressMask) |
TransceiverSPI_ReadSelect;
xcvr_spi_transfer(gXcvrSpiInstance_c, &txData, 0, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, 0, &rxData, sizeof(rxData));
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
return rxData;
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_DirectAccessSPIMultyByteRead
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
uint8_t MCR20Drv_DirectAccessSPIMultiByteRead
(
uint8_t startAddress,
uint8_t *byteArray,
uint8_t numOfBytes
)
{
uint8_t txData;
uint8_t phyIRQSTS1;
if ((numOfBytes == 0) || (byteArray == NULL)) {
return 0;
}
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 8000000);
gXcvrAssertCS_d();
txData = (startAddress & TransceiverSPI_DirectRegisterAddressMask) |
TransceiverSPI_ReadSelect;
xcvr_spi_transfer(gXcvrSpiInstance_c, &txData, &phyIRQSTS1, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, 0, byteArray, numOfBytes);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
return phyIRQSTS1;
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_PB_SPIBurstRead
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
uint8_t MCR20Drv_PB_SPIBurstRead
(
uint8_t *byteArray,
uint8_t numOfBytes
)
{
uint8_t txData;
uint8_t phyIRQSTS1;
if ((numOfBytes == 0) || (byteArray == NULL)) {
return 0;
}
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 8000000);
gXcvrAssertCS_d();
txData = TransceiverSPI_ReadSelect |
TransceiverSPI_PacketBuffAccessSelect |
TransceiverSPI_PacketBuffBurstModeSelect;
xcvr_spi_transfer(gXcvrSpiInstance_c, &txData, &phyIRQSTS1, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, 0, byteArray, numOfBytes);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
return phyIRQSTS1;
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IndirectAccessSPIWrite
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_IndirectAccessSPIWrite
(
uint8_t address,
uint8_t value
)
{
uint32_t txData;
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 16000000);
gXcvrAssertCS_d();
txData = TransceiverSPI_IARIndexReg;
txData |= (address) << 8;
txData |= (value) << 16;
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)&txData, 0, 3);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IndirectAccessSPIMultiByteWrite
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_IndirectAccessSPIMultiByteWrite
(
uint8_t startAddress,
uint8_t *byteArray,
uint8_t numOfBytes
)
{
uint16_t txData;
if ((numOfBytes == 0) || (byteArray == NULL)) {
return;
}
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 16000000);
gXcvrAssertCS_d();
txData = TransceiverSPI_IARIndexReg;
txData |= (startAddress) << 8;
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)&txData, 0, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)byteArray, 0, numOfBytes);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IndirectAccessSPIRead
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
uint8_t MCR20Drv_IndirectAccessSPIRead
(
uint8_t address
)
{
uint16_t txData;
uint8_t rxData;
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 8000000);
gXcvrAssertCS_d();
txData = TransceiverSPI_IARIndexReg | TransceiverSPI_ReadSelect;
txData |= (address) << 8;
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)&txData, 0, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, 0, &rxData, sizeof(rxData));
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
return rxData;
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IndirectAccessSPIMultiByteRead
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_IndirectAccessSPIMultiByteRead
(
uint8_t startAddress,
uint8_t *byteArray,
uint8_t numOfBytes
)
{
uint16_t txData;
if ((numOfBytes == 0) || (byteArray == NULL)) {
return;
}
ProtectFromMCR20Interrupt();
xcvr_spi_configure_speed(gXcvrSpiInstance_c, 8000000);
gXcvrAssertCS_d();
txData = (TransceiverSPI_IARIndexReg | TransceiverSPI_ReadSelect);
txData |= (startAddress) << 8;
xcvr_spi_transfer(gXcvrSpiInstance_c, (uint8_t *)&txData, 0, sizeof(txData));
xcvr_spi_transfer(gXcvrSpiInstance_c, 0, byteArray, numOfBytes);
gXcvrDeassertCS_d();
UnprotectFromMCR20Interrupt();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IsIrqPending
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
uint32_t MCR20Drv_IsIrqPending
(
void
)
{
return RF_isIRQ_Pending();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IRQ_Disable
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_IRQ_Disable
(
void
)
{
core_util_critical_section_enter();
if (mPhyIrqDisableCnt == 0) {
RF_IRQ_Disable();
}
mPhyIrqDisableCnt++;
core_util_critical_section_exit();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_IRQ_Enable
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_IRQ_Enable
(
void
)
{
core_util_critical_section_enter();
if (mPhyIrqDisableCnt) {
mPhyIrqDisableCnt--;
if (mPhyIrqDisableCnt == 0) {
RF_IRQ_Enable();
}
}
core_util_critical_section_exit();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_RST_Assert
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_RST_B_Assert
(
void
)
{
RF_RST_Set(0);
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_RST_Deassert
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_RST_B_Deassert
(
void
)
{
RF_RST_Set(1);
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_SoftRST_Assert
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_SoftRST_Assert
(
void
)
{
MCR20Drv_IndirectAccessSPIWrite(SOFT_RESET, (0x80));
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_SoftRST_Deassert
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_SoftRST_Deassert
(
void
)
{
MCR20Drv_IndirectAccessSPIWrite(SOFT_RESET, (0x00));
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_Soft_RESET
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_Soft_RESET
(
void
)
{
//assert SOG_RST
MCR20Drv_IndirectAccessSPIWrite(SOFT_RESET, (0x80));
//deassert SOG_RST
MCR20Drv_IndirectAccessSPIWrite(SOFT_RESET, (0x00));
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_RESET
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_RESET
(
void
)
{
volatile uint32_t delay = 1000;
//assert RST_B
MCR20Drv_RST_B_Assert();
while (delay--);
//deassert RST_B
MCR20Drv_RST_B_Deassert();
}
/*---------------------------------------------------------------------------
* Name: MCR20Drv_Set_CLK_OUT_Freq
* Description: -
* Parameters: -
* Return: -
*---------------------------------------------------------------------------*/
void MCR20Drv_Set_CLK_OUT_Freq
(
uint8_t freqDiv
)
{
uint8_t clkOutCtrlReg = (freqDiv & cCLK_OUT_DIV_Mask) | cCLK_OUT_EN | cCLK_OUT_EXTEND;
if (freqDiv == gCLK_OUT_FREQ_DISABLE) {
clkOutCtrlReg = (cCLK_OUT_EXTEND | gCLK_OUT_FREQ_4_MHz); //reset value with clock out disabled
}
MCR20Drv_DirectAccessSPIWrite((uint8_t) CLK_OUT_CTRL, clkOutCtrlReg);
}
#endif /* MBED_CONF_NANOSTACK_CONFIGURATION */
