/*
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______ _
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/ _____) _ | |
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( (____ _____ ____ _| |_ _____ ____| |__
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\____ \| ___ | (_ _) ___ |/ ___) _ \
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_____) ) ____| | | || |_| ____( (___| | | |
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(______/|_____)_|_|_| \__)_____)\____)_| |_|
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(C)2013 Semtech
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Description: SX126x driver specific target board functions implementation
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License: Revised BSD License, see LICENSE.TXT file include in the project
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Maintainer: Miguel Luis and Gregory Cristian
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*/
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//#include "stm32f0xx.h"
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#include "delay.h"
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//#include "gpio.h"
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//#include "Spi.h"
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//#include "spi.h"
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#include "radio.h"
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#include "sx126x.h"
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#include "sx126x-board.h"
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#include "main.h"
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#include "stm32l0xx_hal_spi.h"
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#include "Spi.h"
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extern SPI_HandleTypeDef hspi1;
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//void HAL_Delay_nMS( uint32_t Delay )
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//{
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// uint32_t tickstart = 0;
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// tickstart = HAL_GetTick( );
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// while( ( HAL_GetTick( ) - tickstart ) < Delay );
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//}
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void SX126x_CS_Di( )
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{
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if(!HAL_GPIO_ReadPin( SPIx_CS_GPIO, SPIx_CS))
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{
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HAL_GPIO_WritePin( SPIx_CS_GPIO, SPIx_CS,GPIO_PIN_SET);
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printf("uwb_cs_error\r\n");
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}
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}
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/*!
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* @brief Sends txBuffer and receives rxBuffer
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*
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* @param [IN] txBuffer Byte to be sent
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* @param [OUT] rxBuffer Byte to be sent
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* @param [IN] size Byte to be sent
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*/
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uint8_t SpiInOut( uint8_t txBuffer)
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{
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uint8_t rxData = 0;
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HAL_SPI_TransmitReceive(&hspi1,&txBuffer,&rxData,1, 1000);
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return( rxData );
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}
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void SX126xReset( void )
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{
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HAL_Delay_nMS( 10 );
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HAL_GPIO_WritePin( RADIO_nRESET_GPIO_Port, RADIO_nRESET_Pin,GPIO_PIN_RESET);
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delay_us( 2000 );
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HAL_GPIO_WritePin( RADIO_nRESET_GPIO_Port, RADIO_nRESET_Pin,GPIO_PIN_SET);
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HAL_Delay_nMS( 10 );
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}
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void SX126xWaitOnBusy( void )
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{
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while(HAL_GPIO_ReadPin(RADIO_BUSY_GPIO_Port,RADIO_BUSY_Pin)==GPIO_PIN_SET);
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}
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void SX126xWakeup( void )
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{
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut(RADIO_GET_STATUS);
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SpiInOut(0);
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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// Wait for chip to be ready.
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SX126xWaitOnBusy( );
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}
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void SX126xWriteCommand( RadioCommands_t command, uint8_t *buffer, uint16_t size )
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{
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SX126xCheckDeviceReady( );
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut(( uint8_t )command );
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for( uint16_t i = 0; i < size; i++ )
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{
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SpiInOut(buffer[i] );
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}
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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if( command != RADIO_SET_SLEEP )
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{
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SX126xWaitOnBusy( );
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}
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}
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void SX126xReadCommand( RadioCommands_t command, uint8_t *buffer, uint16_t size )
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{
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SX126xCheckDeviceReady( );
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut(( uint8_t )command );
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SpiInOut(0x00 );
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for( uint16_t i = 0; i < size; i++ )
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{
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buffer[i] = SpiInOut(0 );
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}
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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SX126xWaitOnBusy( );
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}
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void SX126xWriteRegisters( uint16_t address, uint8_t *buffer, uint16_t size )
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{
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SX126xCheckDeviceReady( );
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut(RADIO_WRITE_REGISTER );
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SpiInOut(( address & 0xFF00 ) >> 8 );
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SpiInOut( address & 0x00FF );
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for( uint16_t i = 0; i < size; i++ )
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{
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SpiInOut(buffer[i] );
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}
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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SX126xWaitOnBusy( );
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}
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void SX126xWriteRegister( uint16_t address, uint8_t value )
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{
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SX126xWriteRegisters( address, &value, 1 );
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}
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void SX126xReadRegisters( uint16_t address, uint8_t *buffer, uint16_t size )
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{
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SX126xCheckDeviceReady( );
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut(RADIO_READ_REGISTER );
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SpiInOut(( address & 0xFF00 ) >> 8 );
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SpiInOut( address & 0x00FF );
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SpiInOut( 0 );
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for( uint16_t i = 0; i < size; i++ )
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{
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buffer[i] = SpiInOut(0 );
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}
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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SX126xWaitOnBusy( );
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}
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uint8_t SX126xReadRegister( uint16_t address )
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{
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uint8_t data;
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SX126xReadRegisters( address, &data, 1 );
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return data;
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}
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void SX126xWriteBuffer( uint8_t offset, uint8_t *buffer, uint8_t size )
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{
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SX126xCheckDeviceReady( );
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut( RADIO_WRITE_BUFFER );
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SpiInOut( offset );
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for( uint16_t i = 0; i < size; i++ )
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{
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SpiInOut( buffer[i] );
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}
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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SX126xWaitOnBusy( );
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}
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void SX126xReadBuffer( uint8_t offset, uint8_t *buffer, uint8_t size )
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{
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SX126xCheckDeviceReady( );
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SX126x_CS_Di( );
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_RESET);
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SpiInOut( RADIO_READ_BUFFER );
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SpiInOut( offset );
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SpiInOut( 0 );
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for( uint16_t i = 0; i < size; i++ )
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{
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buffer[i] = SpiInOut( 0 );
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}
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HAL_GPIO_WritePin( RADIO_NSS_GPIO_Port, RADIO_NSS_Pin,GPIO_PIN_SET);
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SX126xWaitOnBusy( );
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}
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void SX126xSetRfTxPower( int8_t power )
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{
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SX126xSetTxParams( power, RADIO_RAMP_40_US );
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}
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uint8_t SX126xGetPaSelect( uint32_t channel )
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{
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// if( GpioRead( &DeviceSel ) == 1 )
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// {
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// return SX1261;
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// }
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// else
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// {
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// return SX1262;
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// }
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return SX1262;
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}
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void SX126xAntSwOn( void )
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{
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//GpioInit( &AntPow, ANT_SWITCH_POWER, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
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}
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void SX126xAntSwOff( void )
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{
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// GpioInit( &AntPow, ANT_SWITCH_POWER, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
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}
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bool SX126xCheckRfFrequency( uint32_t frequency )
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{
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// Implement check. Currently all frequencies are supported
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return true;
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}
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