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.
Fork of UniGraphic by
Protocols/SPI16.h@6:8356d48a07db, 2015-02-16 (annotated)
- Committer:
- Geremia
- Date:
- Mon Feb 16 01:18:29 2015 +0000
- Revision:
- 6:8356d48a07db
- Parent:
- 5:b222a9461d6b
- Child:
- 7:bb0383b91104
updated docs
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Geremia | 1:ff019d22b275 | 1 | #ifndef SPI16_H |
Geremia | 1:ff019d22b275 | 2 | #define SPI16_H |
Geremia | 1:ff019d22b275 | 3 | |
Geremia | 1:ff019d22b275 | 4 | #include "mbed.h" |
Geremia | 1:ff019d22b275 | 5 | #include "Protocols.h" |
Geremia | 1:ff019d22b275 | 6 | //#include "GraphicsDisplay.h" |
Geremia | 1:ff019d22b275 | 7 | |
Geremia | 6:8356d48a07db | 8 | /** SPI 16bit interface |
Geremia | 6:8356d48a07db | 9 | */ |
Geremia | 1:ff019d22b275 | 10 | class SPI16 : public Protocols |
Geremia | 1:ff019d22b275 | 11 | { |
Geremia | 1:ff019d22b275 | 12 | public: |
Geremia | 1:ff019d22b275 | 13 | |
Geremia | 1:ff019d22b275 | 14 | /** Create an SPI 8bit display interface with 3 control pins |
Geremia | 1:ff019d22b275 | 15 | * |
Geremia | 1:ff019d22b275 | 16 | * @param SPI mosi |
Geremia | 1:ff019d22b275 | 17 | * @param SPI miso |
Geremia | 1:ff019d22b275 | 18 | * @param SPI sclk |
Geremia | 1:ff019d22b275 | 19 | * @param CS pin connected to CS of display |
Geremia | 1:ff019d22b275 | 20 | * @param reset pin connected to RESET of display |
Geremia | 1:ff019d22b275 | 21 | * @param DC pin connected to data/command of display |
Geremia | 1:ff019d22b275 | 22 | */ |
Geremia | 1:ff019d22b275 | 23 | SPI16(int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC); |
Geremia | 1:ff019d22b275 | 24 | |
Geremia | 1:ff019d22b275 | 25 | protected: |
Geremia | 1:ff019d22b275 | 26 | |
Geremia | 1:ff019d22b275 | 27 | /** Send 8bit command to display controller |
Geremia | 1:ff019d22b275 | 28 | * |
Geremia | 1:ff019d22b275 | 29 | * @note switches spi format 16->8->16, better use wr_cmd16 with NOP in front |
Geremia | 1:ff019d22b275 | 30 | * @param cmd: byte to send |
Geremia | 1:ff019d22b275 | 31 | * |
Geremia | 1:ff019d22b275 | 32 | */ |
Geremia | 1:ff019d22b275 | 33 | virtual void wr_cmd8(unsigned char cmd); |
Geremia | 1:ff019d22b275 | 34 | |
Geremia | 1:ff019d22b275 | 35 | /** Send 8bit data to display controller |
Geremia | 1:ff019d22b275 | 36 | * |
Geremia | 1:ff019d22b275 | 37 | * @note switches spi format 16->8->16, better use wr_data16 with repeated byte (if does not hurt) |
Geremia | 1:ff019d22b275 | 38 | * @param data: byte to send |
Geremia | 1:ff019d22b275 | 39 | * |
Geremia | 1:ff019d22b275 | 40 | */ |
Geremia | 1:ff019d22b275 | 41 | virtual void wr_data8(unsigned char data); |
Geremia | 1:ff019d22b275 | 42 | |
Geremia | 4:12ba0ecc2c1f | 43 | /** Send 2x8bit command to display controller |
Geremia | 1:ff019d22b275 | 44 | * |
Geremia | 1:ff019d22b275 | 45 | * @param cmd: halfword to send |
Geremia | 4:12ba0ecc2c1f | 46 | * @note in SPI_16 mode a single 16bit transfer will be done |
Geremia | 1:ff019d22b275 | 47 | */ |
Geremia | 1:ff019d22b275 | 48 | virtual void wr_cmd16(unsigned short cmd); |
Geremia | 1:ff019d22b275 | 49 | |
Geremia | 4:12ba0ecc2c1f | 50 | /** Send 2x8bit data to display controller |
Geremia | 4:12ba0ecc2c1f | 51 | * |
Geremia | 4:12ba0ecc2c1f | 52 | * @param data: halfword to send |
Geremia | 4:12ba0ecc2c1f | 53 | * @note in SPI_16 mode a single 16bit transfer will be done |
Geremia | 4:12ba0ecc2c1f | 54 | */ |
Geremia | 4:12ba0ecc2c1f | 55 | virtual void wr_data16(unsigned short data); |
Geremia | 4:12ba0ecc2c1f | 56 | |
Geremia | 4:12ba0ecc2c1f | 57 | /** Send 16bit pixeldata to display controller |
Geremia | 1:ff019d22b275 | 58 | * |
Geremia | 1:ff019d22b275 | 59 | * @param data: halfword to send |
Geremia | 1:ff019d22b275 | 60 | * |
Geremia | 1:ff019d22b275 | 61 | */ |
Geremia | 4:12ba0ecc2c1f | 62 | virtual void wr_gram(unsigned short data); |
Geremia | 1:ff019d22b275 | 63 | |
Geremia | 4:12ba0ecc2c1f | 64 | /** Send same 16bit pixeldata to display controller multiple times |
Geremia | 1:ff019d22b275 | 65 | * |
Geremia | 1:ff019d22b275 | 66 | * @param data: halfword to send |
Geremia | 1:ff019d22b275 | 67 | * @param count: how many |
Geremia | 1:ff019d22b275 | 68 | * |
Geremia | 1:ff019d22b275 | 69 | */ |
Geremia | 4:12ba0ecc2c1f | 70 | virtual void wr_gram(unsigned short data, unsigned int count); |
Geremia | 1:ff019d22b275 | 71 | |
Geremia | 4:12ba0ecc2c1f | 72 | /** Send array of pixeldata shorts to display controller |
Geremia | 1:ff019d22b275 | 73 | * |
Geremia | 4:12ba0ecc2c1f | 74 | * @param data: unsigned short pixeldata array |
Geremia | 1:ff019d22b275 | 75 | * @param lenght: lenght (in shorts) |
Geremia | 1:ff019d22b275 | 76 | * |
Geremia | 1:ff019d22b275 | 77 | */ |
Geremia | 4:12ba0ecc2c1f | 78 | virtual void wr_grambuf(unsigned short* data, unsigned int lenght); |
Geremia | 1:ff019d22b275 | 79 | |
Geremia | 5:b222a9461d6b | 80 | /** Read 4x8bit data from display controller (with dummy cycle) |
Geremia | 5:b222a9461d6b | 81 | * |
Geremia | 5:b222a9461d6b | 82 | * @returns data as uint |
Geremia | 5:b222a9461d6b | 83 | * |
Geremia | 5:b222a9461d6b | 84 | */ |
Geremia | 5:b222a9461d6b | 85 | virtual unsigned int rd_data32_wdummy(); |
Geremia | 5:b222a9461d6b | 86 | |
Geremia | 5:b222a9461d6b | 87 | /** Read 16bit pixeldata from display controller (with dummy cycle) |
Geremia | 5:b222a9461d6b | 88 | * |
Geremia | 5:b222a9461d6b | 89 | * @returns 16bit color |
Geremia | 5:b222a9461d6b | 90 | */ |
Geremia | 5:b222a9461d6b | 91 | virtual unsigned short rd_gram(); |
Geremia | 5:b222a9461d6b | 92 | |
Geremia | 1:ff019d22b275 | 93 | /** HW reset sequence (without display init commands) |
Geremia | 1:ff019d22b275 | 94 | */ |
Geremia | 1:ff019d22b275 | 95 | virtual void hw_reset(); |
Geremia | 1:ff019d22b275 | 96 | |
Geremia | 1:ff019d22b275 | 97 | /** Set ChipSelect high or low |
Geremia | 1:ff019d22b275 | 98 | * @param enable 0/1 |
Geremia | 1:ff019d22b275 | 99 | */ |
Geremia | 1:ff019d22b275 | 100 | virtual void BusEnable(bool enable); |
Geremia | 1:ff019d22b275 | 101 | |
Geremia | 1:ff019d22b275 | 102 | DigitalOut _CS; |
Geremia | 1:ff019d22b275 | 103 | |
Geremia | 1:ff019d22b275 | 104 | private: |
Geremia | 1:ff019d22b275 | 105 | |
Geremia | 1:ff019d22b275 | 106 | SPI _spi; |
Geremia | 1:ff019d22b275 | 107 | DigitalOut _reset; |
Geremia | 1:ff019d22b275 | 108 | DigitalOut _DC; |
Geremia | 1:ff019d22b275 | 109 | |
Geremia | 1:ff019d22b275 | 110 | }; |
Geremia | 1:ff019d22b275 | 111 | #endif |