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Verify that SPI works with SH1106

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This commit is contained in:
philippe44
2020-02-10 20:44:44 -08:00
parent 55e0efdb4a
commit 26c9a9e897
9 changed files with 151 additions and 102 deletions
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21
components/display/tarablessd13x6/ifaces/default_if_spi.c
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@@ -56,9 +56,10 @@ bool SSD13x6_SPIMasterAttachDisplayDefault( struct SSD13x6_Device* DeviceHandle,
}
ESP_ERROR_CHECK_NONFATAL( spi_bus_add_device( SPIHost, &SPIDeviceConfig, &SPIDeviceHandle ), return false );
memset( DeviceHandle, 0, sizeof( struct SSD13x6_Device ) );
DeviceHandle->Model = Model;
return SSD13x6_Init_SPI( DeviceHandle,
Width,
Height,
@@ -72,19 +73,19 @@ bool SSD13x6_SPIMasterAttachDisplayDefault( struct SSD13x6_Device* DeviceHandle,
}
static bool SPIDefaultWriteBytes( spi_device_handle_t SPIHandle, int WriteMode, const uint8_t* Data, size_t DataLength ) {
spi_transaction_t SPITransaction;
spi_transaction_t SPITransaction = { 0 };
NullCheck( SPIHandle, return false );
NullCheck( Data, return false );
if ( DataLength > 0 ) {
memset( &SPITransaction, 0, sizeof( spi_transaction_t ) );
SPITransaction.length = DataLength * 8;
SPITransaction.tx_buffer = Data;
gpio_set_level( DCPin, WriteMode );
ESP_ERROR_CHECK_NONFATAL( spi_device_transmit( SPIHandle, &SPITransaction ), return false );
gpio_set_level( DCPin, WriteMode );
SPITransaction.length = DataLength * 8;
SPITransaction.tx_buffer = Data;
// only do polling as we don't have contention on SPI (otherwise DMA for transfers > 16 bytes)
ESP_ERROR_CHECK_NONFATAL( spi_device_polling_transmit(SPIHandle, &SPITransaction), return false );
}
return true;