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BT source improvment, GPIO expander intr fix, SPI display improvments

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This commit is contained in:
Philippe G
2021-12-31 17:49:43 -08:00
parent 756d930912
commit 25249ce13e
9 changed files with 172 additions and 302 deletions
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15
components/display/core/ifaces/default_if_spi.c
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@@ -43,7 +43,7 @@ bool GDS_SPIAttachDevice( struct GDS_Device* Device, int Width, int Height, int
if (CSPin >= 0) {
ESP_ERROR_CHECK_NONFATAL( gpio_set_direction( CSPin, GPIO_MODE_OUTPUT ), return false );
ESP_ERROR_CHECK_NONFATAL( gpio_set_level( CSPin, 0 ), return false );
}
}
memset( &SPIDeviceConfig, 0, sizeof( spi_device_interface_config_t ) );
@@ -74,16 +74,23 @@ bool GDS_SPIAttachDevice( struct GDS_Device* Device, int Width, int Height, int
}
static bool SPIDefaultWriteBytes( spi_device_handle_t SPIHandle, int WriteMode, const uint8_t* Data, size_t DataLength ) {
spi_transaction_t SPITransaction = { 0 };
spi_transaction_t SPITransaction = { };
NullCheck( SPIHandle, return false );
NullCheck( Data, return false );
if ( DataLength > 0 ) {
gpio_set_level( DCPin, WriteMode );
SPITransaction.length = DataLength * 8;
SPITransaction.tx_buffer = Data;
if (DataLength <= 4) {
SPITransaction.flags = SPI_TRANS_USE_TXDATA;
SPITransaction.tx_data[0] = *Data++; SPITransaction.tx_data[1] = *Data++;
SPITransaction.tx_data[2] = *Data++; SPITransaction.tx_data[3] = *Data;
} else {
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 );