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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?

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Geremia 0:75ec1b3cde17 1 #ifndef SPI8_H
Geremia 0:75ec1b3cde17 2 #define SPI8_H
Geremia 0:75ec1b3cde17 3
Geremia 0:75ec1b3cde17 4 #include "mbed.h"
Geremia 0:75ec1b3cde17 5 #include "Protocols.h"
Geremia 0:75ec1b3cde17 6 //#include "GraphicsDisplay.h"
Geremia 0:75ec1b3cde17 7
Geremia 6:8356d48a07db 8 /** SPI 8bit interface
Geremia 6:8356d48a07db 9 */
Geremia 0:75ec1b3cde17 10 class SPI8 : public Protocols
Geremia 0:75ec1b3cde17 11 {
Geremia 0:75ec1b3cde17 12 public:
Geremia 0:75ec1b3cde17 13
Geremia 0:75ec1b3cde17 14 /** Create an SPI 8bit display interface with 3 control pins
Geremia 0:75ec1b3cde17 15 *
Geremia 0:75ec1b3cde17 16 * @param SPI mosi
Geremia 0:75ec1b3cde17 17 * @param SPI miso
Geremia 0:75ec1b3cde17 18 * @param SPI sclk
Geremia 0:75ec1b3cde17 19 * @param CS pin connected to CS of display
Geremia 0:75ec1b3cde17 20 * @param reset pin connected to RESET of display
Geremia 0:75ec1b3cde17 21 * @param DC pin connected to data/command of display
Geremia 0:75ec1b3cde17 22 */
Geremia 1:ff019d22b275 23 SPI8(int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC);
Geremia 0:75ec1b3cde17 24
Geremia 0:75ec1b3cde17 25 protected:
Geremia 0:75ec1b3cde17 26
Geremia 1:ff019d22b275 27 /** Send 8bit command to display controller
Geremia 0:75ec1b3cde17 28 *
Geremia 0:75ec1b3cde17 29 * @param cmd: byte to send
Geremia 0:75ec1b3cde17 30 *
Geremia 0:75ec1b3cde17 31 */
Geremia 1:ff019d22b275 32 virtual void wr_cmd8(unsigned char cmd);
Geremia 0:75ec1b3cde17 33
Geremia 1:ff019d22b275 34 /** Send 8bit data to display controller
Geremia 0:75ec1b3cde17 35 *
Geremia 1:ff019d22b275 36 * @param data: byte to send
Geremia 0:75ec1b3cde17 37 *
Geremia 0:75ec1b3cde17 38 */
Geremia 1:ff019d22b275 39 virtual void wr_data8(unsigned char data);
Geremia 0:75ec1b3cde17 40
Geremia 4:12ba0ecc2c1f 41 /** Send 2x8bit command to display controller
Geremia 1:ff019d22b275 42 *
Geremia 1:ff019d22b275 43 * @param cmd: halfword to send
Geremia 1:ff019d22b275 44 */
Geremia 1:ff019d22b275 45 virtual void wr_cmd16(unsigned short cmd);
Geremia 1:ff019d22b275 46
Geremia 4:12ba0ecc2c1f 47 /** Send 2x8bit data to display controller
Geremia 1:ff019d22b275 48 *
Geremia 1:ff019d22b275 49 * @param data: halfword to send
Geremia 1:ff019d22b275 50 *
Geremia 1:ff019d22b275 51 */
Geremia 1:ff019d22b275 52 virtual void wr_data16(unsigned short data);
Geremia 1:ff019d22b275 53
Geremia 4:12ba0ecc2c1f 54 /** Send 16bit pixeldata to display controller
Geremia 4:12ba0ecc2c1f 55 *
Geremia 4:12ba0ecc2c1f 56 * @param data: halfword to send
Geremia 4:12ba0ecc2c1f 57 *
Geremia 4:12ba0ecc2c1f 58 */
Geremia 4:12ba0ecc2c1f 59 virtual void wr_gram(unsigned short data);
Geremia 4:12ba0ecc2c1f 60
Geremia 4:12ba0ecc2c1f 61 /** Send same 16bit pixeldata to display controller multiple times
Geremia 1:ff019d22b275 62 *
Geremia 1:ff019d22b275 63 * @param data: halfword to send
Geremia 1:ff019d22b275 64 * @param count: how many
Geremia 1:ff019d22b275 65 *
Geremia 1:ff019d22b275 66 */
Geremia 4:12ba0ecc2c1f 67 virtual void wr_gram(unsigned short data, unsigned int count);
Geremia 1:ff019d22b275 68
Geremia 4:12ba0ecc2c1f 69 /** Send array of pixeldata shorts to display controller
Geremia 1:ff019d22b275 70 *
Geremia 4:12ba0ecc2c1f 71 * @param data: unsigned short pixeldata array
Geremia 1:ff019d22b275 72 * @param lenght: lenght (in shorts)
Geremia 1:ff019d22b275 73 *
Geremia 1:ff019d22b275 74 */
Geremia 4:12ba0ecc2c1f 75 virtual void wr_grambuf(unsigned short* data, unsigned int lenght);
Geremia 0:75ec1b3cde17 76
Geremia 5:b222a9461d6b 77 /** Read 4x8bit data from display controller (with dummy cycle)
Geremia 5:b222a9461d6b 78 *
Geremia 5:b222a9461d6b 79 * @returns data as uint
Geremia 5:b222a9461d6b 80 *
Geremia 5:b222a9461d6b 81 */
Geremia 5:b222a9461d6b 82 virtual unsigned int rd_data32_wdummy();
Geremia 5:b222a9461d6b 83
Geremia 5:b222a9461d6b 84 /** Read 16bit pixeldata from display controller (with dummy cycle)
Geremia 5:b222a9461d6b 85 *
Geremia 5:b222a9461d6b 86 * @returns 16bit color
Geremia 5:b222a9461d6b 87 */
Geremia 5:b222a9461d6b 88 virtual unsigned short rd_gram();
Geremia 5:b222a9461d6b 89
Geremia 0:75ec1b3cde17 90 /** HW reset sequence (without display init commands)
Geremia 0:75ec1b3cde17 91 */
Geremia 0:75ec1b3cde17 92 virtual void hw_reset();
Geremia 0:75ec1b3cde17 93
Geremia 0:75ec1b3cde17 94 /** Set ChipSelect high or low
Geremia 0:75ec1b3cde17 95 * @param enable 0/1
Geremia 0:75ec1b3cde17 96 */
Geremia 0:75ec1b3cde17 97 virtual void BusEnable(bool enable);
Geremia 0:75ec1b3cde17 98
Geremia 0:75ec1b3cde17 99 DigitalOut _CS;
Geremia 0:75ec1b3cde17 100
Geremia 0:75ec1b3cde17 101 private:
Geremia 0:75ec1b3cde17 102
Geremia 0:75ec1b3cde17 103 SPI _spi;
Geremia 0:75ec1b3cde17 104 DigitalOut _reset;
Geremia 0:75ec1b3cde17 105 DigitalOut _DC;
Geremia 0:75ec1b3cde17 106
Geremia 0:75ec1b3cde17 107 };
Geremia 0:75ec1b3cde17 108 #endif