--- /dev/null
+/**
+ * \file led_7seg.c
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ * -->
+ *
+ * \brief 7 segments LED displays (impl)
+ *
+ * \author Fabio Bizzi <fbizzi@bizzi.org>
+ *
+ * \addtogroup SevenSegDisplay 7 Segments LED Displays Driver
+ * \{
+ *
+ */
+
+#include "drv/led_7seg.h"
+#include "hw/hw_led_7seg.h"
+#include "cfg/cfg_arch.h"
+#include <drv/timer.h>
+#include <string.h>
+
+/*
+ * Define the timer for the refreshing
+ */
+static Timer sseg_trefresh;
+
+/*
+ * FUNCTION: sseg_refresh
+ *
+ * This is the procedure that prints the seven_seg structure'string to the display.
+ * It prints a single digit at time and does all the checks to a proper display.
+ * It is called by the wrapper function fired by the timer set in the init procedure.
+ *
+ * param SS The void pointer that holds the pointer to the data structure
+ *
+ */
+static void sseg_refresh(SevenSeg *SS)
+{
+ /* First Check if the structure is being edited we do a silent exit*/
+ if (SS->busyedit == true)
+ return;
+
+ /* If we have displayed all the digits */
+ if (SS->curdigit == CONFIG_LED_7SEG_DIGIT)
+ {
+ sseg_off();
+ /* And if we have to display again all the digit */
+ if (SS->curspeed > 0)
+ {
+ SS->curspeed--;
+ SS->curdigit = 0;
+ SS->curpos -= CONFIG_LED_7SEG_DIGIT;
+ }
+ /* Else is time to scroll the text */
+ else
+ {
+ /* If we aren't at the end of the string */
+ if (SS->curpos < SS->string_len)
+ {
+ SS->curpos -= CONFIG_LED_7SEG_DIGIT;
+ SS->curpos++;
+ SS->curdigit = 0;
+ SS->curspeed = SS->speed;
+ }
+ /* Else we are at the end of the string */
+ else
+ {
+ /* Set that the string was displayed at least one time and we can accept a new text*/
+ SS->firstrun = false;
+ /* If the string has to be displayed only one time we set an empty string
+ * to display till next print request*/
+ if (SS->runonce == true)
+ sevenseg_clear(SS);
+ /* Else we reset the text to it's first character ad do again the display */
+ else
+ {
+ SS->curdigit = 0;
+ SS->curpos = 0;
+ SS->curspeed = SS->speed;
+ }
+ }
+ }
+ }
+ /* Else We have to do a print*/
+ else
+ {
+ /* If the text doesn't have to blink we write the character to the proper disply's digit */
+ if (SS->blink == false)
+ sseg_on(SS->string[SS->curpos], SS->curdigit);
+ /* Else we do the blinking */
+ else
+ {
+ /* If bdigit == 0 we have to blink all the digits */
+ if (SS->bdigit == 0)
+ {
+ if (SS->curspeed >= (SS->speed/2))
+ sseg_on(SS->string[SS->curpos], SS->curdigit);
+ else
+ sseg_off();
+ }
+ /* else we have to blink only one digit (bdigit -1) */
+ else
+ /* is this the digit to blink? */
+ if (SS->curdigit == ((unsigned int)SS->bdigit-1))
+ {
+ if (SS->curspeed >= (SS->speed/2))
+ sseg_on(SS->string[SS->curpos], SS->curdigit);
+ else
+ sseg_off();
+ }
+ /* no, so let do a normal print */
+ else
+ sseg_on(SS->string[SS->curpos], SS->curdigit);
+ }
+ /* Ok, next time next char.... ;) */
+ SS->curdigit++;
+ SS->curpos++;
+ }
+}
+
+/*
+ * FUNCTION: sseg_refresh_wrapper
+ *
+ * This is a "wrapper" procedure that is called by the timer_setSoftint()
+ * with the unique purpose to call the real sseg_refresh procedure without
+ * the cast of the structure from void to SevenSeg.
+ *
+ * param VSS The void pointer that holds the pointer to the data structure
+ *
+ */
+static void sseg_refresh_wrapper(void *VSS)
+{
+ /* Here we cast the Structure from void to proper type */
+ SevenSeg *SS;
+ SS = (SevenSeg *)VSS;
+ /* now we call the right refresh routine */
+ sseg_refresh(SS);
+ /* ReStart the timer */
+ timer_add(&sseg_trefresh);
+}
+
+/*
+ * FUNCTION: sseg_tabcheck
+ *
+ * This function return the position of the ascii character in the hex
+ * segstable.
+ *
+ * param source The ascii char to be positioned
+ */
+INLINE uint8_t sseg_tabcheck(char source)
+{
+ uint8_t hexchar=38;
+
+ /* Numbers */
+ if ((((int)source) > 47) && (((int)source) < 58))
+ hexchar = source-48;
+ else
+ /* Capital Letters */
+ if ((((int)source) > 64) && (((int)source) < 91))
+ hexchar = source-53;
+ else
+ /* Letters */
+ if ((((int)source) > 96) && (((int)source) < 123))
+ hexchar = source-85;
+ else
+ /* Minus */
+ if (((int)source) == 45)
+ hexchar = 11;
+ else
+ /* Space */
+ if (((int)source) == 32)
+ hexchar = 38;
+ else
+ /* Dot */
+ if (((int)source) == 46)
+ hexchar = 10;
+ return hexchar;
+}
+
+/**
+ * \brief Print a string on the display
+ *
+ * This is the procedure that fills the seven_seg structure with the translated
+ * string to display. It swaps also the structures to display the new text when
+ * all the data is ready to display.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ * \param sstring String to be displayed
+ *
+ * \return 0 if all went well, -1 if the display is locked, -2 if the string too long.
+ */
+int sevenseg_print(SevenSeg *SS, const char *sstring)
+{
+ size_t string_lenght;
+ unsigned int x,y,dotnumber;
+ bool dotjump = false;
+ uint8_t hexchar;
+
+ /* Check if the display is unlocked */
+ if (SS->busyedit == false)
+ return -1;
+
+ /* Check if the string is too big */
+ if (sizeof(&sstring) > (CONFIG_LED_7SEG_STRLEN-(2*CONFIG_LED_7SEG_DIGIT)))
+ return -2;
+
+ /* get the string length and set the number of dots in the string to 0 */
+ string_lenght = strlen(sstring);
+ dotnumber = 0;
+
+ /* check if there are some dots in the string and report the number in dotnumber */
+ for (x=0;x<(unsigned int)string_lenght;x++)
+ {
+ if (((int)sstring[x]) == 46)
+ dotnumber++;
+ }
+
+ /* If the *REAL* lenght of the string is less or equal than the number of digits */
+ if (((int)string_lenght-dotnumber) <= CONFIG_LED_7SEG_DIGIT)
+ {
+ /* If the *REAL* lenght of the string is less than number of digits */
+ if (((int)string_lenght-dotnumber) < CONFIG_LED_7SEG_DIGIT)
+ {
+ /* Fill the left side of the string with blanks */
+ for (x=0; x<(CONFIG_LED_7SEG_DIGIT-((int)string_lenght-dotnumber)); x++)
+ SS->string[x] = segstable[38];
+ y = x;
+ }
+ else
+ {
+ /* Else we have the exact string length of the display */
+ y = 0;
+ }
+ }
+ else
+ {
+ /* Else we have the string length bigger than the display and we need to fill
+ * the entire left side of the string with blanks to begin the scroll from the
+ * rigthest side of the display */
+ for (x=0; x<CONFIG_LED_7SEG_DIGIT; x++)
+ SS->string[x] = segstable[38];
+ y = CONFIG_LED_7SEG_DIGIT;
+ }
+ /* Here we start to fill the string with the Hex 7seg characters values */
+ hexchar = 0;
+ for (x=0; x<(unsigned int)string_lenght; x++)
+ {
+ hexchar = sseg_tabcheck(sstring[x]);
+ /* do we have a dot? */
+ if (hexchar == 10)
+ {
+ /* If we are at the first character of the string it has to be forced
+ * as "lonly" dot ;) */
+ if (x > 0)
+ {
+#if CONFIG_LED_7SEG_CCAT
+ SS->string[y-1] = SS->string[y-1] | segstable[(int)hexchar];
+#else
+ SS->string[y-1] = SS->string[y-1] & segstable[(int)hexchar];
+#endif
+ dotjump = true;
+ }
+ }
+ /* If the last character was a dot and we aren't at the first character of the string
+ * we have just inserted it */
+ if (dotjump)
+ dotjump = false;
+ /* Let's put the character in the structure's string */
+ else
+ {
+ SS->string[y] = segstable[(int)hexchar];
+ y++;
+ }
+ }
+ /* If we have the string length bigger than the display we need to fill
+ * the entire right side of the string with blanks to end the scroll
+ * to the rigthest side of the display */
+ if (((int)string_lenght-dotnumber) > CONFIG_LED_7SEG_DIGIT)
+ {
+ for (x=0; x<CONFIG_LED_7SEG_DIGIT; x++)
+ {
+ SS->string[y] = segstable[38];
+ y++;
+ }
+ }
+ /* Let's put the total string length to the structure */
+ SS->string_len = y;
+
+ return 0;
+}
+
+/**
+ * \brief initialize the structure and the timer for the display
+ *
+ * This is the procedure that inits all the structures that rules the 7 segments
+ * display and set the timer for the proper print/refresh of the text.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ */
+void sevenseg_init(SevenSeg *SS)
+{
+ /*
+ * Init the 7segments string structure
+ */
+ SS->busyedit = true;
+ sevenseg_clear(SS);
+ SS->busyedit = false;
+
+ /*
+ * Init the I/O ports and set the display OFF
+ */
+ sseg_init();
+
+ /*
+ * Define the timer for the refresh of the display
+ * The timer calls the sevenseg_refresh function
+ * every "CONFIG_LED_7SEG_RTIME" milliseconds for
+ * an acceptable persistance of a single 7 segments
+ * display.
+ */
+ // set the callback
+ timer_setSoftint(&sseg_trefresh, sseg_refresh_wrapper, (void *)SS);
+ // expire time: 1s
+ timer_setDelay(&sseg_trefresh, ms_to_ticks(CONFIG_LED_7SEG_RTIME));
+ // start the timer
+ timer_add(&sseg_trefresh);
+}
+
+/**
+ * \brief check if is possible to do a new print
+ *
+ * This is the procedure that check if the print of the current text is run
+ * almost one time and we're ready to print a new text.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ *
+ * \return true if we can print a new text, false if we're still printing the previous text for the first time and we have to wait.
+ */
+bool sevenseg_isReady(SevenSeg *SS)
+{
+ return !SS->firstrun;
+}
+
+/**
+ * \brief unlock the SevenSeg structure and stops the print
+ *
+ * This is the procedure that check if the print of the current text is run
+ * almost one time and then set the status of the display to "unlocked".
+ *
+ * \param SS Pointer to the SevenSeg structure
+ *
+ * \return true if the display is unlocked, false if the dispaly is still locked.
+ */
+bool sevenseg_unlock(SevenSeg *SS)
+{
+ if (SS->firstrun == false)
+ {
+ SS->busyedit = true;
+ SS->firstrun = true;
+ SS->curdigit = 0;
+ SS->curpos = 0;
+ }
+ else
+ return false;
+ return true;
+}
+
+/**
+ * \brief lock the SeveSeg structure and starts a new print
+ *
+ * This is the procedure that lock the display and permit
+ * the print of the text.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ *
+ * \return true if the display is now locked, false if the display was already locked.
+ */
+bool sevenseg_lock(SevenSeg *SS)
+{
+ if (SS->busyedit == true)
+ {
+ /* If the string is longer than the number of the digit of the display we
+ * reset the single digit blink to zero to be sure that the display of
+ * the text is clean from previous single digit blinking settings */
+ if (SS->string_len > CONFIG_LED_7SEG_DIGIT)
+ SS->bdigit = 0;
+ SS->busyedit = false;
+ }
+ else
+ return false;
+ return true;
+}
+
+/**
+ * \brief set the blinking of the digits of the display
+ *
+ * This is the procedure that set the blinking of the display.
+ * You can choose to blink all the display or only a single
+ * digit.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ * \param blink if true the display will blink
+ * \param digit if 0 all the digits have to blink, else the digit that has to blink
+ *
+ * \return true if the set was succesfull, false if the set was not succesfull.
+ */
+bool sevenseg_setBlink(SevenSeg *SS, bool blink, uint8_t digit)
+{
+ if (SS->busyedit == true)
+ {
+ if (blink == true)
+ {
+ if (digit == 0)
+ SS->bdigit = digit;
+ else
+ if ((digit-1) <= CONFIG_LED_7SEG_DIGIT)
+ SS->bdigit = digit;
+ else
+ return false;
+ }
+ SS->blink = blink;
+ }
+ else
+ return false;
+ return true;
+}
+
+/**
+ * \brief set if the text has to be displayed just one time
+ *
+ * This is the procedure that set if the text has to be displayed
+ * just one time
+ *
+ * \param SS Pointer to the SevenSeg structure
+ * \param runonce true if the text has to be displayed only one time, false if the text has to be displayed till next print
+ *
+ * \return true if the set was succesfull, false if the set was not succesfull.
+ */
+bool sevenseg_setRunonce(SevenSeg *SS, bool runonce)
+{
+ if (SS->busyedit == true)
+ SS->runonce = runonce;
+ else
+ return false;
+ return true;
+}
+
+/**
+ * \brief set the scrolling speed of the text
+ *
+ * This is the procedure that set the scrolling speed of the text
+ * if the text is longer than the display digits or the
+ * duration of the display if the text is smaller or equal the
+ * length of display digits.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ * \param r_speed the Scrolling speed or display time
+ *
+ * \return true if the set was succesfull, false if the set was not succesfull.
+ */
+bool sevenseg_setRunspeed(SevenSeg *SS, unsigned int r_speed)
+{
+ if (SS->busyedit == true)
+ {
+ SS->speed = r_speed;
+ SS->curspeed = r_speed;
+ }
+ else
+ return false;
+ return true;
+}
+
+/**
+ * \brief clear the display
+ *
+ * This is the procedure that blanks the text to be displayed
+ * and so on clear the display.
+ *
+ * \param SS Pointer to the SevenSeg structure
+ *
+ * \return true if the clear was succesfull, false if the clear was not succesfull.
+ */
+bool sevenseg_clear(SevenSeg *SS)
+{
+ if (SS->busyedit == true)
+ {
+ memset(((void *)&SS->string),segstable[38],sizeof(SS->string));
+ SS->string_len = CONFIG_LED_7SEG_DIGIT;
+ SS->blink = false;
+ SS->bdigit = 0;
+ SS->runonce = false;
+ SS->curdigit = 0;
+ SS->curpos = 0;
+ SS->speed = CONFIG_LED_7SEG_SSPEED;
+ SS->curspeed = CONFIG_LED_7SEG_SSPEED;
+ SS->firstrun = false;
+ }
+ else
+ return false;
+ return true;
+}
+ /** \} */ //defgroup drivers
--- /dev/null
+/**
+ * \file led_7seg.h
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ * -->
+ *
+ * \author Fabio Bizzi <fbizzi@bizzi.org>
+ *
+ * \defgroup SevenSegDisplay 7 Segments LED Displays Driver
+ * \ingroup drivers
+ * \{
+ *
+ * \brief 7 segments LED displays (headers)
+ *
+ * Here you find the prototypes and the data structures that
+ * format and holds the text that has to be displayed by the
+ * 7 segments display.
+ *
+ * The main function is the sevenseg_print()
+ * that is called by your software to display the text, also
+ * important is the sevenseg_init() that initialize the data
+ * structures and set the refresh timer, you need to call
+ * this procedure just one time in the init procedure of
+ * your software before any use of the sevenseg_print().
+ *
+ * Usage:
+ *
+ * To use succesfully the display you have to follow these steps:
+ *
+ * \li Create the structure and init the display
+ * \li Check if the display is ready to accept a new print with
+ * the function sevenseg_isReady()
+ * \li Unlock the display with the function sevenseg_unlock()
+ * NOTE: when the display is unlocked the displaying of any
+ * text is stopped but the data (text and attributes like text
+ * position, blinking etc etc) are not erased.
+ * \li Set the wanted text attributes with sevenseg_set* functions
+ * \li Print the wanted text with sevenseg_print()
+ * \li Lock the display with sevenseg_lock()
+ *
+ * When the display is locked the displaying of the text starts.
+ *
+ *
+ * \code
+ * static Seven_Seg display;
+ * // ...
+ * sevenseg_init(&display);
+ * while (!sevenseg_isReady(&display))
+ * ;
+ * sevenseg_unlock(&display);
+ * sevenseg_setBlink(&display,false,0);
+ * sevenseg_setRunonce(&display,false);
+ * sevenseg_setRunspeed(&display,10);
+ * if ((sevenseg_print(&display, "made with bertos.")) != 0)
+ * return -1;
+ * sevenseg_lock(&display);
+ * \endcode
+ *
+ * $WIZ$ module_name = "led_7seg"
+ * $WIZ$ module_depends = "timer"
+ * $WIZ$ module_configuration = "bertos/cfg/cfg_led_7seg.h"
+ * $WIZ$ module_hw = "bertos/hw/hw_led_7seg.h"
+ */
+
+#ifndef DRV_LED_7SEG_H
+#define DRV_LED_7SEG_H
+
+#include "cfg/cfg_led_7seg.h"
+#include <drv/timer.h>
+#include <mware/event.h>
+
+/**
+ * \name Numbers and Letters Table.
+ * \note These tables contain all the printable
+ * characters on a 7 segment digit encoded
+ * for common cathode and common anode
+ * display type.
+ *
+ * 0, 1, 2, 3, 4, 5, 6, 7, 8,
+ * 9, ., -, A, B, C, D, E, F,
+ * G, H, I, J, K, L, M, N, O,
+ * P, Q, R, S, T, U, V, W, X,
+ * Y, Z, SPACE
+ *
+ * \{
+ */
+#if CONFIG_LED_7SEG_CCAT
+ static const uint8_t segstable[] =
+ {
+ 0x3f, 0x6, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x7, 0x7f,
+ 0x6f, 0x80, 0x40, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71,
+ 0x3d, 0x74, 0x30, 0x1e, 0x75, 0x38, 0x15, 0x37, 0x3f,
+ 0x73, 0x67, 0x50, 0x6d, 0x78, 0x3e, 0x2a, 0x6a, 0x76,
+ 0x6e, 0x5b, 0x0
+ };
+#else
+ static const uint8_t segstable[] =
+ {
+ 0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80,
+ 0x90, 0x7f, 0xbf, 0x88, 0x83, 0xc6, 0xa1, 0x86, 0x8e,
+ 0xc2, 0x8b, 0xcf, 0xe1, 0x8a, 0xc7, 0xea, 0xc8, 0xc0,
+ 0x8c, 0x98, 0xaf, 0x92, 0x87, 0xc1, 0xd5, 0x95, 0x89,
+ 0x91, 0xa4, 0xff
+ };
+#endif
+/**\} */
+
+/**
+ * Context data for Display functions
+ *
+ */
+typedef struct SevenSeg
+{
+ /** The String to be displayed */
+ uint8_t string[CONFIG_LED_7SEG_STRLEN];
+ /** The length of the string to be displayed */
+ unsigned int string_len;
+ /** Has to blink? */
+ bool blink;
+ /** Has to blink only one digit? */
+ uint8_t bdigit;
+ /** Has to be displayed only one time? */
+ bool runonce;
+ /** Scrolling speed */
+ unsigned int speed;
+ /** Working scrolling speed */
+ unsigned int curspeed;
+ /** Is it printed at least one time? */
+ bool firstrun;
+ /** Working current position */
+ unsigned int curpos;
+ /** Working current digit */
+ unsigned int curdigit;
+ /** Is the structure in edit? */
+ bool busyedit;
+} SevenSeg;
+
+/* Functions prototypes */
+
+/*
+ * This is the procedure that fills the seven_seg structure with the translated
+ * string to display. It swaps also the structures to display the new text when
+ * all the data is ready to display.
+ */
+int sevenseg_print(SevenSeg *SS, const char *sstring);
+
+/*
+ * This is the procedure that inits all the structures that rules the 7 segments
+ * display and set the timer for the proper print/refresh of the text.
+ */
+void sevenseg_init(SevenSeg *SS);
+
+/*
+ * This is the procedure that does a short print of all segments of all
+ * digits of the display.
+ */
+void sevenseg_test(SevenSeg *SS);
+
+/*
+ * This is the procedure that check if the print of the current text is run
+ * almost one time and we're ready to print a new text.
+ */
+bool sevenseg_isReady(SevenSeg *SS);
+
+/*
+ * This is the procedure that check if the print of the current text is run
+ * almost one time and then set the status of the display to "unlocked".
+ */
+bool sevenseg_unlock(SevenSeg *SS);
+
+/*
+ * This is the procedure that lock the display and permit
+ * the print of the text.
+ */
+bool sevenseg_lock(SevenSeg *SS);
+
+/*
+ * This is the procedure that set the blinking of the display.
+ * You can choose to blink all the display or only a single
+ * digit.
+ */
+bool sevenseg_setBlink(SevenSeg *SS, bool blink, uint8_t digit);
+
+/*
+ * This is the procedure that set if the text has to be displayed
+ * just one time
+ */
+bool sevenseg_setRunonce(SevenSeg *SS, bool runonce);
+
+/*
+ * This is the procedure that set the scrolling speed of the text
+ * if the text is longer than the display digits or the
+ * duration of the display if the text is smaller or equal the
+ * length of display digits.
+ */
+bool sevenseg_setRunspeed(SevenSeg *SS, unsigned int r_speed);
+
+/*
+ * This is the procedure that blanks the text to be displayed
+ * and so on clear the display.
+ */
+bool sevenseg_clear(SevenSeg *SS);
+
+#endif /* DRV_LED_7SEG_H */
+ /** \} */ //defgroup drivers
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