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TLC5940SWSPI
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Fork of
TLC5940
by 
Stefan Nielsen
TLC5940.h@4:fc83415fa28c, 2015-10-17 (annotated)
- Committer:
- deton
- Date:
- Sat Oct 17 02:47:11 2015 +0000
- Revision:
- 4:fc83415fa28c
- Parent:
- 3:2c0af5f5fa13
- Child:
- 5:c35b2b62f2f3
Change refresh() as public to be used by caller that refreshes using Timer instead of Ticker in TLC5940 class.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Julepalme | 0:bdf7a64b89a7 | 1 | #ifndef TLC5940_H_ |
| Julepalme | 0:bdf7a64b89a7 | 2 | #define TLC5940_H_ |
| Julepalme | 0:bdf7a64b89a7 | 3 | |
| Julepalme | 0:bdf7a64b89a7 | 4 | #include "mbed.h" |
| deton | 1:b188393f5b49 | 5 | #include "SWSPI.h" |
| Julepalme | 0:bdf7a64b89a7 | 6 | |
| Julepalme | 0:bdf7a64b89a7 | 7 | class TLC5940 { |
| Julepalme | 0:bdf7a64b89a7 | 8 | private: |
| deton | 1:b188393f5b49 | 9 | SWSPI _spi; |
| deton | 1:b188393f5b49 | 10 | PwmOut _gsclk; |
| deton | 1:b188393f5b49 | 11 | DigitalOut _xlat; |
| deton | 3:2c0af5f5fa13 | 12 | DigitalOut _blank; |
| deton | 1:b188393f5b49 | 13 | Ticker _t; |
| deton | 3:2c0af5f5fa13 | 14 | int _gspwmcycle_us; |
| deton | 3:2c0af5f5fa13 | 15 | bool _gspwmcycle_repeat; |
| deton | 1:b188393f5b49 | 16 | uint16_t gs_data[16]; |
| Julepalme | 0:bdf7a64b89a7 | 17 | public: |
| deton | 3:2c0af5f5fa13 | 18 | /** |
| deton | 3:2c0af5f5fa13 | 19 | * Constructor. |
| deton | 3:2c0af5f5fa13 | 20 | * @param mosi -> SIN |
| deton | 3:2c0af5f5fa13 | 21 | * @param miso -> (not connect to TLC5940) |
| deton | 3:2c0af5f5fa13 | 22 | * @param sck -> SCLK |
| deton | 3:2c0af5f5fa13 | 23 | * @param xlat -> XLAT |
| deton | 3:2c0af5f5fa13 | 24 | * @param blank -> BLANK |
| deton | 3:2c0af5f5fa13 | 25 | * @param gsclk -> GSCLK |
| deton | 3:2c0af5f5fa13 | 26 | * @param gspwmcycle_us grayscale PWM cycle in [us]. consists of 4096 pulses. |
| deton | 3:2c0af5f5fa13 | 27 | * @param gspwmcycle_repeat repeat grayscale PWM cycle or not. |
| deton | 3:2c0af5f5fa13 | 28 | * If true, send BLANK pulse after each grayscale PWM cycle using Ticker. |
| deton | 3:2c0af5f5fa13 | 29 | */ |
| deton | 3:2c0af5f5fa13 | 30 | TLC5940(PinName mosi, PinName miso, PinName sck, PinName xlat, PinName blank, PinName gsclk, |
| deton | 3:2c0af5f5fa13 | 31 | int gspwmcycle_us = 20480, bool gspwmcycle_repeat = true); |
| deton | 1:b188393f5b49 | 32 | void set(int channel, uint16_t brightness); |
| Julepalme | 0:bdf7a64b89a7 | 33 | void flush(); |
| Julepalme | 0:bdf7a64b89a7 | 34 | void run(); |
| deton | 4:fc83415fa28c | 35 | void refresh(); |
| Julepalme | 0:bdf7a64b89a7 | 36 | }; |
| Julepalme | 0:bdf7a64b89a7 | 37 | |
| Julepalme | 0:bdf7a64b89a7 | 38 | #endif /* TLC5940_H_ */ |