alex/Adafruit-GFX-Library
1
0
Fork 0
mirror of https://github.com/adafruit/Adafruit-GFX-Library.git synced 2024-10-03 18:18:46 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #258 from makermelissa/master

Browse Source 
Added previously removed sendCommand() overload to fix rotation issue.
This commit is contained in:
Paint Your Dragon 2019-12-19 21:42:59 -08:00 committed by GitHub
commit 6f16f7a22e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
Adafruit_SPITFT.cpp
View File

@ -1761,6 +1761,37 @@ uint16_t Adafruit_SPITFT::color565(uint8_t red, uint8_t green, uint8_t blue) {
return ((red & 0xF8) << 8) | ((green & 0xFC) << 3) | (blue >> 3);
}
/*!
@brief Adafruit_SPITFT Send Command handles complete sending of commands and data
@param commandByte The Command Byte
@param dataBytes A pointer to the Data bytes to send
@param numDataBytes The number of bytes we should send
*/
void Adafruit_SPITFT::sendCommand(uint8_t commandByte, uint8_t *dataBytes, uint8_t numDataBytes) {
SPI_BEGIN_TRANSACTION();
if(_cs >= 0) SPI_CS_LOW();
SPI_DC_LOW(); // Command mode
spiWrite(commandByte); // Send the command byte
SPI_DC_HIGH();
for (int i=0; i<numDataBytes; i++) {
spiWrite(*dataBytes); // Send the data bytes
dataBytes++;
if((connection == TFT_PARALLEL) && tft8.wide) {
SPI_WRITE16(*(uint16_t *)dataBytes);
dataBytes += 2;
} else {
spiWrite(*dataBytes); // Send the data bytes
dataBytes++;
}
}
if(_cs >= 0) SPI_CS_HIGH();
SPI_END_TRANSACTION();
}
/*!
@brief Adafruit_SPITFT Send Command handles complete sending of commands and data
@param commandByte The Command Byte

1
Adafruit_SPITFT.h
View File

@ -194,6 +194,7 @@ class Adafruit_SPITFT : public Adafruit_GFX {
void startWrite(void);
// Chip deselect and/or hardware SPI transaction end as needed:
void endWrite(void);
void sendCommand(uint8_t commandByte, uint8_t *dataBytes, uint8_t numDataBytes);
void sendCommand(uint8_t commandByte, const uint8_t *dataBytes = NULL, uint8_t numDataBytes = 0);
void sendCommand16(uint16_t commandWord, const uint8_t *dataBytes = NULL, uint8_t numDataBytes = 0);
uint8_t readcommand8(uint8_t commandByte, uint8_t index = 0);