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Code Issues Releases Activity

HW SPI bug fixing

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This commit is contained in:
olikraus
2016-08-21 11:46:01 +02:00
parent e28fc8d57d
commit ad3ac3a66e
17 changed files with 49 additions and 29 deletions
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cppsrc/U8x8lib.cpp
+15 -2
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@@ -278,6 +278,7 @@ extern "C" uint8_t u8x8_byte_arduino_hw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t a
{
#ifdef U8X8_HAVE_HW_SPI
uint8_t *data;
uint8_t internal_spi_mode;
switch(msg)
{
@@ -310,8 +311,18 @@ extern "C" uint8_t u8x8_byte_arduino_hw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t a
break;
case U8X8_MSG_BYTE_START_TRANSFER:
/* SPI mode has to be mapped to the mode of the current controller, at least Uno, Due, 101 have different SPI_MODEx values */
internal_spi_mode = 0;
switch(u8x8->display_info->spi_mode)
{
case 0: internal_spi_mode = SPI_MODE0; break;
case 1: internal_spi_mode = SPI_MODE1; break;
case 2: internal_spi_mode = SPI_MODE2; break;
case 3: internal_spi_mode = SPI_MODE3; break;
}
#if ARDUINO >= 10600
SPI.beginTransaction(SPISettings(u8x8->display_info->sck_clock_hz, MSBFIRST, u8x8->display_info->spi_mode));
SPI.beginTransaction(SPISettings(u8x8->display_info->sck_clock_hz, MSBFIRST, internal_spi_mode));
#else
SPI.begin();
@@ -321,7 +332,7 @@ extern "C" uint8_t u8x8_byte_arduino_hw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t a
SPI.setClockDivider( SPI_CLOCK_DIV4 );
else
SPI.setClockDivider( SPI_CLOCK_DIV8 );
SPI.setDataMode(u8x8->display_info->spi_mode);
SPI.setDataMode(internal_spi_mode);
SPI.setBitOrder(MSBFIRST);
#endif
@@ -343,6 +354,8 @@ extern "C" uint8_t u8x8_byte_arduino_hw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t a
default:
return 0;
}
#else
#endif
return 1;
}