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Update ssd1306_spi.c

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nopnop2002 2019-05-06 08:18:28 +09:00
parent e2773d18d5
commit 8bef45b817
2 changed files with 6 additions and 7 deletions
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2
main/ssd1306.h
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@ -124,7 +124,7 @@ void i2c_scroll(SSD1306_t * dev, ssd1306_scroll_type_t scroll);
//void i2c_fadeout(SSD1306_t * dev);
void spi_master_init(SSD1306_t * dev, int GPIO_CS, int GPIO_DC, int GPIO_RESET);
bool spi_master_write_byte(int DCpin, spi_device_handle_t SPIHandle, int WriteMode, const uint8_t* Data, size_t DataLength );
bool spi_master_write_byte(spi_device_handle_t SPIHandle, const uint8_t* Data, size_t DataLength );
bool spi_master_write_command(SSD1306_t * dev, uint8_t Command );
bool spi_master_write_data(SSD1306_t * dev, const uint8_t* Data, size_t DataLength );
void spi_init(SSD1306_t * dev, int width, int height);

11
main/ssd1306_spi.c
View File

@ -77,17 +77,14 @@ void spi_master_init(SSD1306_t * dev, int GPIO_CS, int GPIO_DC, int GPIO_RESET)
}
bool spi_master_write_byte(int DCPin, spi_device_handle_t SPIHandle, int WriteMode, const uint8_t* Data, size_t DataLength )
bool spi_master_write_byte(spi_device_handle_t SPIHandle, const uint8_t* Data, size_t DataLength )
{
spi_transaction_t SPITransaction;
if ( DataLength > 0 ) {
memset( &SPITransaction, 0, sizeof( spi_transaction_t ) );
SPITransaction.length = DataLength * 8;
SPITransaction.tx_buffer = Data;
gpio_set_level( DCPin, WriteMode );
spi_device_transmit( SPIHandle, &SPITransaction );
}
@ -98,12 +95,14 @@ bool spi_master_write_command(SSD1306_t * dev, uint8_t Command )
{
static uint8_t CommandByte = 0;
CommandByte = Command;
return spi_master_write_byte( dev->_dc, dev->_SPIHandle, SPI_Command_Mode, &CommandByte, 1 );
gpio_set_level( dev->_dc, SPI_Command_Mode );
return spi_master_write_byte( dev->_SPIHandle, &CommandByte, 1 );
}
bool spi_master_write_data(SSD1306_t * dev, const uint8_t* Data, size_t DataLength )
{
return spi_master_write_byte( dev->_dc, dev->_SPIHandle, SPI_Data_Mode, Data, DataLength );
gpio_set_level( dev->_dc, SPI_Data_Mode );
return spi_master_write_byte( dev->_SPIHandle, Data, DataLength );
}