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Bugfix Adafruit_ILI9341_STM 

readcommand8() toggles _sclk, but when using hwSPI it's set to 0, ie. it's toggling GPIO0, which it obviously shouldn't be doing. Also, when SPI-transactions had been enabled the SPI-bus speed was set to only 8MHz -- now we set it to 36MHz on STM32F1.
This commit is contained in:
WereCatf 2016-04-22 20:36:38 +03:00
parent 8c1e061efc
commit 29a5400188
1 changed files with 5 additions and 1 deletions
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6
STM32F1/libraries/Adafruit_ILI9341_STM/Adafruit_ILI9341_STM.cpp
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@ -103,7 +103,11 @@ void Adafruit_ILI9341_STM::writedata(uint8_t c) {
#ifdef SPI_HAS_TRANSACTION
static inline void spi_begin(void) __attribute__((always_inline));
static inline void spi_begin(void) {
#ifdef __STM32F1__
SPI.beginTransaction(SPISettings(36000000, MSBFIRST, SPI_MODE0));
#else
SPI.beginTransaction(SPISettings(8000000, MSBFIRST, SPI_MODE0));
#endif
}
static inline void spi_end(void) __attribute__((always_inline));
static inline void spi_end(void) {
@ -762,7 +766,7 @@ uint8_t Adafruit_ILI9341_STM::readcommand8(uint8_t c, uint8_t index) {
digitalWrite(_cs, HIGH);
digitalWrite(_dc, LOW);
digitalWrite(_sclk, LOW);
if(_sclk) digitalWrite(_sclk, LOW);
digitalWrite(_cs, LOW);
spiwrite(c);