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driver for ST7735/89 & LED PWM

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This commit is contained in:
Philippe G
2020-07-28 18:35:10 -07:00
parent c41d30f883
commit 3c76f6fcb5
14 changed files with 483 additions and 75 deletions
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7
components/display/core/ifaces/default_if_i2c.c
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@@ -21,7 +21,6 @@ static int I2CWait;
static const int GDS_I2C_COMMAND_MODE = 0x80;
static const int GDS_I2C_DATA_MODE = 0x40;
static const int i2c_timeout_value=2000;
static bool I2CDefaultWriteBytes( int Address, bool IsCommand, const uint8_t* Data, size_t DataLength );
static bool I2CDefaultWriteCommand( struct GDS_Device* Device, uint8_t Command );
@@ -50,9 +49,6 @@ bool GDS_I2CInit( int PortNumber, int SDA, int SCL, int Speed ) {
ESP_ERROR_CHECK_NONFATAL( i2c_param_config( I2CPortNumber, &Config ), return false );
ESP_ERROR_CHECK_NONFATAL( i2c_driver_install( I2CPortNumber, Config.mode, 0, 0, 0 ), return false );
printf("Setting timeout value to %d",i2c_timeout_value);
i2c_set_timeout(I2CPortNumber, (I2C_APB_CLK_FREQ /(2500000))* i2c_timeout_value);
}
return true;
@@ -70,13 +66,14 @@ bool GDS_I2CInit( int PortNumber, int SDA, int SCL, int Speed ) {
*
* Returns true on successful init of display.
*/
bool GDS_I2CAttachDevice( struct GDS_Device* Device, int Width, int Height, int I2CAddress, int RSTPin ) {
bool GDS_I2CAttachDevice( struct GDS_Device* Device, int Width, int Height, int I2CAddress, int RSTPin, int BacklightPin ) {
NullCheck( Device, return false );
Device->WriteCommand = I2CDefaultWriteCommand;
Device->WriteData = I2CDefaultWriteData;
Device->Address = I2CAddress;
Device->RSTPin = RSTPin;
Device->Backlight.Pin = BacklightPin;
Device->IF = GDS_IF_I2C;
Device->Width = Width;
Device->Height = Height;

5
components/display/core/ifaces/default_if_spi.c
View File

@@ -34,7 +34,7 @@ bool GDS_SPIInit( int SPI, int DC ) {
return true;
}
bool GDS_SPIAttachDevice( struct GDS_Device* Device, int Width, int Height, int CSPin, int RSTPin, int Speed ) {
bool GDS_SPIAttachDevice( struct GDS_Device* Device, int Width, int Height, int CSPin, int RSTPin, int BackLightPin, int Speed ) {
spi_device_interface_config_t SPIDeviceConfig;
spi_device_handle_t SPIDevice;
@@ -44,7 +44,7 @@ bool GDS_SPIAttachDevice( struct GDS_Device* Device, int Width, int Height, int
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 ) );
SPIDeviceConfig.clock_speed_hz = Speed > 0 ? Speed : SPI_MASTER_FREQ_8M;
@@ -59,6 +59,7 @@ bool GDS_SPIAttachDevice( struct GDS_Device* Device, int Width, int Height, int
Device->SPIHandle = SPIDevice;
Device->RSTPin = RSTPin;
Device->CSPin = CSPin;
Device->Backlight.Pin = BackLightPin;
Device->IF = GDS_IF_SPI;
Device->Width = Width;
Device->Height = Height;