LeeT WiFiLamp code and test
Dependencies: ESP8266_WebServer mbed
Fork of WiFiLamp by
PololuLedStrip/PololuLedStrip.h@1:f07afcffeb5a, 2014-11-20 (annotated)
- Committer:
- sschocke
- Date:
- Thu Nov 20 17:44:22 2014 +0000
- Revision:
- 1:f07afcffeb5a
- Child:
- 2:48412ab84b71
Extracting URI and Pololu LED Intergation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sschocke | 1:f07afcffeb5a | 1 | #include "mbed.h" |
sschocke | 1:f07afcffeb5a | 2 | |
sschocke | 1:f07afcffeb5a | 3 | #ifndef _POLOLU_LED_STRIP_H |
sschocke | 1:f07afcffeb5a | 4 | #define _POLOLU_LED_STRIP_H |
sschocke | 1:f07afcffeb5a | 5 | |
sschocke | 1:f07afcffeb5a | 6 | namespace Pololu |
sschocke | 1:f07afcffeb5a | 7 | { |
sschocke | 1:f07afcffeb5a | 8 | #ifndef _POLOLU_RGB_COLOR |
sschocke | 1:f07afcffeb5a | 9 | #define _POLOLU_RGB_COLOR |
sschocke | 1:f07afcffeb5a | 10 | |
sschocke | 1:f07afcffeb5a | 11 | /** Represents an RGB color. */ |
sschocke | 1:f07afcffeb5a | 12 | typedef struct rgb_color |
sschocke | 1:f07afcffeb5a | 13 | { |
sschocke | 1:f07afcffeb5a | 14 | uint8_t green; /*!< A number between 0 and 255 that represents the brightness of the red component. */ |
sschocke | 1:f07afcffeb5a | 15 | uint8_t red; /*!< A number between 0 and 255 that represents the brightness of the green component. */ |
sschocke | 1:f07afcffeb5a | 16 | uint8_t blue; /*!< A number between 0 and 255 that represents the brightness of the blue component. */ |
sschocke | 1:f07afcffeb5a | 17 | } rgb_color; |
sschocke | 1:f07afcffeb5a | 18 | #endif |
sschocke | 1:f07afcffeb5a | 19 | |
sschocke | 1:f07afcffeb5a | 20 | extern "C" int led_strip_write_color(rgb_color *, volatile uint16_t * set, volatile uint16_t * clear, uint32_t mask); |
sschocke | 1:f07afcffeb5a | 21 | |
sschocke | 1:f07afcffeb5a | 22 | /** This class lets you control the addressable RGB LED strips from Pololu</a>, |
sschocke | 1:f07afcffeb5a | 23 | or any other LED strip based on the TM1804 chip. */ |
sschocke | 1:f07afcffeb5a | 24 | class PololuLedStrip |
sschocke | 1:f07afcffeb5a | 25 | { |
sschocke | 1:f07afcffeb5a | 26 | gpio_t gpio; |
sschocke | 1:f07afcffeb5a | 27 | |
sschocke | 1:f07afcffeb5a | 28 | public: |
sschocke | 1:f07afcffeb5a | 29 | |
sschocke | 1:f07afcffeb5a | 30 | /** This constructor lets you make an led strip object by specifying the pin name. |
sschocke | 1:f07afcffeb5a | 31 | There are no restrictions on what pin you can choose. |
sschocke | 1:f07afcffeb5a | 32 | |
sschocke | 1:f07afcffeb5a | 33 | Example: |
sschocke | 1:f07afcffeb5a | 34 | @code |
sschocke | 1:f07afcffeb5a | 35 | PololuLedStrip ledStrip(p8); |
sschocke | 1:f07afcffeb5a | 36 | @endcode |
sschocke | 1:f07afcffeb5a | 37 | */ |
sschocke | 1:f07afcffeb5a | 38 | PololuLedStrip(PinName pin); |
sschocke | 1:f07afcffeb5a | 39 | |
sschocke | 1:f07afcffeb5a | 40 | /** Writes the specified series of colors to the LED strip. |
sschocke | 1:f07afcffeb5a | 41 | @param colors should be a pointer to an array of rgb_color structs. |
sschocke | 1:f07afcffeb5a | 42 | @param count should be the number of colors to write. |
sschocke | 1:f07afcffeb5a | 43 | |
sschocke | 1:f07afcffeb5a | 44 | The first color in the array will be written to the LED closest to the data input connector. |
sschocke | 1:f07afcffeb5a | 45 | To update all the LEDs in the LED strip, count should be equal to or greater than the number of LEDs in the strip. |
sschocke | 1:f07afcffeb5a | 46 | If count is less than the number of LEDs in the strip, then some LEDs near the end of the strip will not be updated. |
sschocke | 1:f07afcffeb5a | 47 | |
sschocke | 1:f07afcffeb5a | 48 | The colors are sent in series and each color takes about 45 microseconds to send. |
sschocke | 1:f07afcffeb5a | 49 | This function disables interrupts temporarily while it is running. |
sschocke | 1:f07afcffeb5a | 50 | This function waits for over 10 us at the end before returning to allow the colors to take effect. |
sschocke | 1:f07afcffeb5a | 51 | */ |
sschocke | 1:f07afcffeb5a | 52 | void write(rgb_color * colors, unsigned int count); |
sschocke | 1:f07afcffeb5a | 53 | |
sschocke | 1:f07afcffeb5a | 54 | /** This option defaults to <code>false</code>. |
sschocke | 1:f07afcffeb5a | 55 | Setting this to true changes the behavior of the write function, making it enable interrupts |
sschocke | 1:f07afcffeb5a | 56 | after each color is sent, about every 60 microseconds. |
sschocke | 1:f07afcffeb5a | 57 | This allows your program to respond to interrupts faster, but makes it possible for an interrupt |
sschocke | 1:f07afcffeb5a | 58 | that takes longer than 8 microseconds to screw up the transmission of colors to the LED strip. |
sschocke | 1:f07afcffeb5a | 59 | |
sschocke | 1:f07afcffeb5a | 60 | Example: |
sschocke | 1:f07afcffeb5a | 61 | @code |
sschocke | 1:f07afcffeb5a | 62 | PololuLedStrip::interruptFriendly = true; |
sschocke | 1:f07afcffeb5a | 63 | @endcode |
sschocke | 1:f07afcffeb5a | 64 | */ |
sschocke | 1:f07afcffeb5a | 65 | static bool interruptFriendly; |
sschocke | 1:f07afcffeb5a | 66 | |
sschocke | 1:f07afcffeb5a | 67 | static void calculateDelays(); |
sschocke | 1:f07afcffeb5a | 68 | }; |
sschocke | 1:f07afcffeb5a | 69 | } |
sschocke | 1:f07afcffeb5a | 70 | |
sschocke | 1:f07afcffeb5a | 71 | using namespace Pololu; |
sschocke | 1:f07afcffeb5a | 72 | |
sschocke | 1:f07afcffeb5a | 73 | #endif |