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apply bugfix to 3W HW SPI, issue #377

This commit is contained in:
kraus 2023-03-05 18:28:12 +01:00
parent 89732b41f9
commit 9b20136f6e
1 changed files with 6 additions and 3 deletions
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9
cppsrc/U8x8lib.cpp
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@ -789,11 +789,14 @@ extern "C" uint8_t u8x8_byte_arduino_3wire_hw_spi(u8x8_t *u8x8, uint8_t msg, uin
#if defined(ESP_PLATFORM) || defined(ARDUINO_ARCH_ESP32)
/* ESP32 has the following begin: SPI.begin(int8_t sck=SCK, int8_t miso=MISO, int8_t mosi=MOSI, int8_t ss=-1); */
/* not sure about ESP8266 */
if ( u8x8->pins[U8X8_PIN_I2C_CLOCK] != U8X8_PIN_NONE && u8x8->pins[U8X8_PIN_I2C_DATA] != U8X8_PIN_NONE )
{
/* apply bugfix from PR 2123 */
//if ( u8x8->pins[U8X8_PIN_I2C_CLOCK] != U8X8_PIN_NONE && u8x8->pins[U8X8_PIN_I2C_DATA] != U8X8_PIN_NONE )
if ( u8x8->pins[U8X8_PIN_SPI_CLOCK] != U8X8_PIN_NONE && u8x8->pins[U8X8_PIN_SPI_DATA] != U8X8_PIN_NONE )
{
/* SPI.begin(int8_t sck=SCK, int8_t miso=MISO, int8_t mosi=MOSI, int8_t ss=-1); */
/* actually MISO is not used, but what else could be used here??? */
SPI.begin(u8x8->pins[U8X8_PIN_I2C_CLOCK], MISO, u8x8->pins[U8X8_PIN_I2C_DATA]);
//SPI.begin(u8x8->pins[U8X8_PIN_I2C_CLOCK], MISO, u8x8->pins[U8X8_PIN_I2C_DATA]);
SPI.begin(u8x8->pins[U8X8_PIN_SPI_CLOCK], MISO, u8x8->pins[U8X8_PIN_SPI_DATA]);
}
else
{