Duncan Wood
Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.
Diff: Protocols/SPI8.cpp
- Revision:
- 0:75ec1b3cde17
- Child:
- 1:ff019d22b275
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Protocols/SPI8.cpp Thu Feb 12 22:22:47 2015 +0000
@@ -0,0 +1,87 @@
+#include "SPI8.h"
+
+//#define USE_CS
+
+SPI8::SPI8(PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC)
+ : _CS(CS), _spi(mosi, miso, sclk), _reset(reset), _DC(DC)
+{
+ _reset = 1;
+ _DC=1;
+ _CS=1;
+ _spi.format(8,0); // 8 bit spi mode 0
+ // _spi.frequency(12000000); // 10 Mhz SPI clock, 12mhz for F411
+ _spi.frequency(10000000);
+ hw_reset();
+}
+
+void SPI8::wr_cmd(unsigned char cmd)
+{
+#ifdef USE_CS
+ _CS = 0;
+#endif
+ _DC.write(0); // 0=cmd
+ _spi.write(cmd); // write 8bit
+#ifdef USE_CS
+ _CS = 1;
+#endif
+}
+void SPI8::wr_data8(unsigned char data8)
+{
+#ifdef USE_CS
+ _CS = 0;
+#endif
+ _DC.write(1); // 1=data
+ _spi.write(data8); // write 8bit
+#ifdef USE_CS
+ _CS = 1;
+#endif
+}
+void SPI8::wr_data8(unsigned char data8, unsigned int count)
+{
+#ifdef USE_CS
+ _CS = 0;
+#endif
+ _DC.write(1); // 1=data
+ while(count)
+ {
+ _spi.write(data8); // write 8bit
+ count--;
+ }
+#ifdef USE_CS
+ _CS = 1;
+#endif
+}
+void SPI8::wr_data8buf(unsigned char* data8, unsigned int lenght)
+{
+#ifdef USE_CS
+ _CS = 0;
+#endif
+ _DC.write(1); // 1=data
+ while(lenght)
+ {
+ _spi.write(*data8++); // write 8bit
+ // data8++;
+ lenght--;
+ }
+#ifdef USE_CS
+ _CS = 1;
+#endif
+}
+void SPI8::hw_reset()
+{
+ wait_ms(15);
+ _DC = 1;
+ // _CS = 1;
+ _CS = 0;
+ _reset = 0; // display reset
+ wait_us(50);
+ _reset = 1; // end reset
+ wait_ms(15);
+#ifndef USE_CS
+ _CS=0; // put CS low now and forever
+#endif
+}
+void SPI8::BusEnable(bool enable)
+{
+ _CS = enable ? 0:1;
+}
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