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Add functional SPI implementation for arduino_default #486

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Add functional SPI implementation for arduino_default #486

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97bbed8
Add functional SPI implementation for arduino_default
jp-bennett Dec 7, 2023
8cbc5a9
Add missed readBytes() in arduino_default common.cpp
jp-bennett Dec 7, 2023
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12 changes: 8 additions & 4 deletions src/lgfx/v1/platforms/arduino_default/common.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -67,12 +67,15 @@ namespace lgfx
/// unimplemented.
namespace spi
{
cpp::result<void, error_t> init(int spi_host, int spi_sclk, int spi_miso, int spi_mosi) { return cpp::fail(error_t::unknown_err); }
cpp::result<void, error_t> init(int spi_host, int spi_sclk, int spi_miso, int spi_mosi) { cpp::result<void, error_t> res = {}; return res; }
void release(int spi_host) {}
void beginTransaction(int spi_host, uint32_t freq, int spi_mode) {}
void endTransaction(int spi_host) {}
void beginTransaction(int spi_host, uint32_t freq, int spi_mode) {
SPISettings setting(freq, MSBFIRST, SPI_MODE0);
SPI.beginTransaction(setting);
}
void endTransaction(int spi_host) {SPI.endTransaction();}
void writeBytes(int spi_host, const uint8_t* data, size_t length) {}
void readBytes(int spi_host, uint8_t* data, size_t length) {}
void readBytes(int spi_host, uint8_t* data, size_t length) {SPI.transfer(data, length);}
}

//----------------------------------------------------------------------------
Expand All @@ -87,6 +90,7 @@ namespace lgfx
cpp::result<void, error_t> endTransaction(int i2c_port) { return cpp::fail(error_t::unknown_err); }
cpp::result<void, error_t> writeBytes(int i2c_port, const uint8_t *data, size_t length) { return cpp::fail(error_t::unknown_err); }
cpp::result<void, error_t> readBytes(int i2c_port, uint8_t *data, size_t length) { return cpp::fail(error_t::unknown_err); }
cpp::result<void, error_t> readBytes(int i2c_port, uint8_t *data, size_t length, bool last_nack) { return cpp::fail(error_t::unknown_err); }

//--------

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