#include <maa/aio.h>
#include <maa/gpio.h>
-//
-// A
-// ---
-// F | | B
-// -G-
-// E | | C
-// ---
-// D
-
#define SEG_A 0b00000001
#define SEG_B 0b00000010
#define SEG_C 0b00000100
#define PULSE_LENGTH 50
-#define HIGH 1
-#define LOW 0
+#define HIGH 1
+#define LOW 0
namespace upm {
+/**
+ * @brief C++ API for Seven segments screen
+ *
+ * This file defines the TM1637 C++ interface for lib4digitdisplay
+ *
+ * @snippet 4digitdisplay.cxx Interesting
+ *
+ * A
+ * ---
+ * F | | B
+ * -G-
+ * E | | C
+ * ---
+ * D
+ *
+ */
class TM1637 {
public:
+ /**
+ * Instanciates a TM1637 object
+ *
+ * @param di data pin
+ * @param dcki clock pin
+ */
TM1637 (uint8_t di, uint8_t dcki);
+ /**
+ * TM1637 object destructor, this will close all used Gpio
+ * pins (di and dcki)
+ */
~TM1637 ();
+
+ /**
+ * Set the brightness of the seven segment display
+ *
+ * @param level The brightness level of leds
+ */
maa_result_t setBrightness (uint8_t level);
+
+ /**
+ * Set the the segment screen data and number of segments
+ *
+ * @param segments[] data to write on the segments, each elemnt
+ * in array is segment
+ * @param length number of elements in segments array
+ * @param pos data writing offset
+ */
maa_result_t setSegments (const uint8_t segments[], uint8_t length = 4, uint8_t pos = 0);
+
+ /**
+ * Write message on the screen.
+ *
+ * @param msg The message to be written on the sreen
+ */
maa_result_t write (std::string msg);
-
+
+ /**
+ * Return name of the component
+ */
std::string name()
{
return m_name;
}
+
private:
maa_result_t start();
maa_result_t stop();
maa_result_t writeByte (uint8_t value);
maa_result_t pinMode (maa_gpio_context ctx, gpio_dir_t mode);
- std::string m_name;
maa_gpio_context m_clkPinCtx;
maa_gpio_context m_dataPinCtx;
+
+ std::string m_name;
uint8_t m_brightness;
};