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stm32-sx1280: extract SX1280HalSpiTxThenRx

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This commit is contained in:
Matthias Ringwald 2020-10-04 19:44:37 +02:00
parent 0f3448bc23
commit b22bcb2c4d
1 changed files with 36 additions and 76 deletions
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112
chipset/sx128x/SMTC_Drivers/sx1280-driver-c/sx1280-hal.c
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@ -179,20 +179,35 @@ static void spi_tx_then_rx(SPI_HandleTypeDef *hspi, const uint8_t * tx_data, uin
*rx_buffer++ = *(__IO uint8_t *)&hspi->Instance->DR;
}
}
#endif
// assert: tx_data == tx_buffer (local call)
void SX1280HalSpiTxThenRx(uint16_t tx_len, uint8_t * rx_buffer, uint16_t rx_len){
#ifdef USE_BK_SPI
spi_tx_then_rx(&RADIO_SPI_HANDLE, halTxBuffer, tx_len, rx_buffer, rx_len);
#else
// map onto standard hal functions
void SpiIn( uint8_t *txBuffer, uint16_t size ){
HAL_SPI_Transmit( &RADIO_SPI_HANDLE, txBuffer, size, HAL_MAX_DELAY );
}
void SpiInOut( uint8_t *txBuffer, uint8_t *rxBuffer, uint16_t size )
{
if (rx_len == 0){
// SPI Transfer
HAL_SPI_Transmit( &RADIO_SPI_HANDLE, halTxBuffer, size, HAL_MAX_DELAY );
} else {
// fill TX buffer with zeros
memset(&halTxBuffer[tx_len], 0, rx_len);
// SPI Transfer
#ifdef STM32L4XX_FAMILY
// Comment For STM32L0XX and STM32L1XX Intégration, uncomment for STM32L4XX Intégration
HAL_SPIEx_FlushRxFifo( &RADIO_SPI_HANDLE );
// Comment For STM32L0XX and STM32L1XX Intégration, uncomment for STM32L4XX Intégration
HAL_SPIEx_FlushRxFifo( &RADIO_SPI_HANDLE );
#endif
HAL_SPI_TransmitReceive( &RADIO_SPI_HANDLE, halTxBuffer, halRxBuffer, size, HAL_MAX_DELAY );
// return rx data
memcpy( rx_buffer, &halRxBuffer[tx_len], size );
}
#endif
HAL_SPI_TransmitReceive( &RADIO_SPI_HANDLE, txBuffer, rxBuffer, size, HAL_MAX_DELAY );
}
#endif
/*!
* \brief Used to block execution waiting for low state on radio busy pin.
@ -228,6 +243,8 @@ void SX1280HalReset( void )
HAL_Delay( 20 );
}
#if 0
// commented out as (3+IRAM_SIZE) > sizeof(halTxBuffer)
void SX1280HalClearInstructionRam( void )
{
// Clearing the instruction RAM is writing 0x00s on every bytes of the
@ -245,16 +262,13 @@ void SX1280HalClearInstructionRam( void )
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 0 );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, halSize, NULL, 0);
#else
SpiIn( halTxBuffer, halSize );
#endif
SX1280HalSpiTxThenRx( halTxBuffer, halSize, NULL, 0);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
SX1280HalWaitOnBusy( );
}
#endif
void SX1280HalWakeup( void )
{
@ -266,11 +280,7 @@ void SX1280HalWakeup( void )
halTxBuffer[0] = RADIO_GET_STATUS;
halTxBuffer[1] = 0x00;
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, halSize, NULL, 0);
#else
SpiIn( halTxBuffer, halSize );
#endif
SX1280HalSpiTxThenRx( halSize, NULL, 0);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
@ -290,11 +300,7 @@ void SX1280HalWriteCommand( RadioCommands_t command, uint8_t *buffer, uint16_t s
halTxBuffer[0] = command;
memcpy( halTxBuffer + 1, ( uint8_t * )buffer, size * sizeof( uint8_t ) );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, halSize, NULL, 0);
#else
SpiIn( halTxBuffer, halSize );
#endif
SX1280HalSpiTxThenRx( halSize, NULL, 0);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
@ -308,28 +314,12 @@ void SX1280HalReadCommand( RadioCommands_t command, uint8_t *buffer, uint16_t si
{
halTxBuffer[0] = command;
halTxBuffer[1] = 0x00;
#ifndef USE_BK_SPI
uint16_t halSize = 2 + size;
for( uint16_t index = 0; index < size; index++ )
{
halTxBuffer[2+index] = 0x00;
}
#endif
SX1280HalWaitOnBusy( );
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 0 );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, 2, buffer, size);
#else
SpiInOut( halTxBuffer, halRxBuffer, halSize );
#endif
#ifndef USE_BK_SPI
memcpy( buffer, halRxBuffer + 2, size );
#endif
SX1280HalSpiTxThenRx( 2, buffer, size);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
@ -348,11 +338,7 @@ void SX1280HalWriteRegisters( uint16_t address, uint8_t *buffer, uint16_t size )
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 0 );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, halSize, NULL, 0);
#else
SpiIn( halTxBuffer, halSize );
#endif
SX1280HalSpiTxThenRx( halSize, NULL, 0);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
@ -370,22 +356,12 @@ void SX1280HalReadRegisters( uint16_t address, uint8_t *buffer, uint16_t size )
halTxBuffer[1] = ( address & 0xFF00 ) >> 8;
halTxBuffer[2] = address & 0x00FF;
halTxBuffer[3] = 0x00;
for( uint16_t index = 0; index < size; index++ )
{
halTxBuffer[4+index] = 0x00;
}
SX1280HalWaitOnBusy( );
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 0 );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, 4, buffer, size);
#else
uint16_t halSize = 4 + size;
SpiInOut( halTxBuffer, halRxBuffer, halSize );
memcpy( buffer, halRxBuffer + 4, size );
#endif
SX1280HalSpiTxThenRx( 4, buffer, size);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
@ -412,11 +388,7 @@ void SX1280HalWriteBuffer( uint8_t offset, uint8_t *buffer, uint8_t size )
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 0 );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, halSize, NULL, 0);
#else
SpiIn( halTxBuffer, halSize );
#endif
SX1280HalSpiTxThenRx( halSize, NULL, 0);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
@ -428,24 +400,12 @@ void SX1280HalReadBuffer( uint8_t offset, uint8_t *buffer, uint8_t size )
halTxBuffer[0] = RADIO_READ_BUFFER;
halTxBuffer[1] = offset;
halTxBuffer[2] = 0x00;
#ifndef USE_BK_SPI
uint16_t halSize = size + 3;
for( uint16_t index = 0; index < size; index++ )
{
halTxBuffer[3+index] = 0x00;
}
#endif
SX1280HalWaitOnBusy( );
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 0 );
#ifdef USE_BK_SPI
spi_tx_then_rx( &RADIO_SPI_HANDLE, halTxBuffer, 3, buffer, size);
#else
SpiInOut( halTxBuffer, halRxBuffer, halSize );
memcpy( buffer, halRxBuffer + 3, size );
#endif
SX1280HalSpiTxThenRx( 3, buffer, size);
HAL_GPIO_WritePin( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );