/* ************************************************************************************************* * * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * ************************************************************************************************* * Basic display functions. * ************************************************************************************************/ #ifndef DISPLAY_H_ #define DISPLAY_H_ #ifdef __cplusplus extern "C" { #endif #define CLOCK_24HR (0) #define CLOCK_AM_PM (1) #define CLOCK_DISPLAY_SELECT (2) /* ************************************************************************************************* * Global Variable section */ /* Set of display flags */ typedef union { struct { /* Line1 + Line2 + Icons*/ uint16_t full_update : 1; /* 1 = Redraw all content */ uint16_t partial_update : 1; /* 1 = Update changes */ /* Line only */ uint16_t line1_full_update : 1; /* 1 = Redraw Line1 content */ uint16_t line2_full_update : 1; /* 1 = Redraw Line2 content */ /* Logic module data update flags */ uint16_t update_time : 1; /* 1 = Time was updated */ uint16_t update_stopwatch : 1; /* 1 = Stopwatch was updated */ uint16_t update_temperature : 1; /* 1 = Temperature was updated */ uint16_t update_battery_voltage : 1; /* 1 = Battery voltage was updated */ uint16_t update_date : 1; /* 1 = Date was updated */ uint16_t update_alarm : 1; /* 1 = Alarm time was updated */ uint16_t update_acceleration : 1; /* 1 = Acceleration data was updated */ } flag; uint16_t all_flags; /* Shortcut to all display flags (for reset) */ } s_display_flags_t; extern volatile s_display_flags_t display; /* Constants defined in library */ extern const uint8_t lcd_font[]; extern const uint8_t *segments_lcdmem[]; extern const uint8_t segments_bitmask[]; extern const uint8_t itoa_conversion_table[][3]; /* ************************************************************************************************* */ /* Defines section */ /* Display function modes */ #define DISPLAY_LINE_UPDATE_FULL (BIT0) #define DISPLAY_LINE_UPDATE_PARTIAL (BIT1) #define DISPLAY_LINE_CLEAR (BIT2) /* Definitions for line view style */ #define DISPLAY_DEFAULT_VIEW (0u) #define DISPLAY_ALTERNATIVE_VIEW (1u) #define DISPLAY_ALTERNATIVE2_VIEW (2u) /* Definitions for line access */ #define LINE1 (1u) #define LINE2 (2u) /* LCD display modes */ #define SEG_OFF (0u) #define SEG_ON (1u) #define SEG_ON_BLINK_ON (2u) #define SEG_ON_BLINK_OFF (3u) #define SEG_OFF_BLINK_OFF (4u) /* 7-segment character bit assignments */ #define SEG_A (BIT4) #define SEG_B (BIT5) #define SEG_C (BIT6) #define SEG_D (BIT7) #define SEG_E (BIT2) #define SEG_F (BIT0) #define SEG_G (BIT1) /* ------------------------------------------ * LCD symbols for easier access * * xxx_SEG_xxx = Seven-segment character (sequence 5-4-3-2-1-0) * xxx_SYMB_xxx = Display symbol, e.g. "AM" for ante meridiem * xxx_UNIT_xxx = Display unit, e.g. "km/h" for kilometers per hour * xxx_ICON_xxx = Display icon, e.g. heart to indicate reception of heart rate data * xxx_L1_xxx = Item is part of Line1 information * xxx_L2_xxx = Item is part of Line2 information */ //* Symbols for Line1 */ #define LCD_SYMB_AM 0 #define LCD_SYMB_PM 1 #define LCD_SYMB_ARROW_UP 2 #define LCD_SYMB_ARROW_DOWN 3 #define LCD_SYMB_PERCENT 4 /* Symbols for Line2 */ #define LCD_SYMB_TOTAL 5 #define LCD_SYMB_AVERAGE 6 #define LCD_SYMB_MAX 7 #define LCD_SYMB_BATTERY 8 /* Units for Line1 */ #define LCD_UNIT_L1_FT 9 #define LCD_UNIT_L1_K 10 #define LCD_UNIT_L1_M 11 #define LCD_UNIT_L1_I 12 #define LCD_UNIT_L1_PER_S 13 #define LCD_UNIT_L1_PER_H 14 #define LCD_UNIT_L1_DEGREE 15 /* Units for Line2 */ #define LCD_UNIT_L2_KCAL 16 #define LCD_UNIT_L2_KM 17 #define LCD_UNIT_L2_MI 18 /* Icons */ #define LCD_ICON_HEART 19 #define LCD_ICON_STOPWATCH 20 #define LCD_ICON_RECORD 21 #define LCD_ICON_ALARM 22 #define LCD_ICON_BEEPER1 23 #define LCD_ICON_BEEPER2 24 #define LCD_ICON_BEEPER3 25 /* Line1 7-segments */ #define LCD_SEG_L1_3 26 #define LCD_SEG_L1_2 27 #define LCD_SEG_L1_1 28 #define LCD_SEG_L1_0 29 #define LCD_SEG_L1_COL 30 #define LCD_SEG_L1_DP1 31 #define LCD_SEG_L1_DP0 32 /* Line2 7-segments */ #define LCD_SEG_L2_5 33 #define LCD_SEG_L2_4 34 #define LCD_SEG_L2_3 35 #define LCD_SEG_L2_2 36 #define LCD_SEG_L2_1 37 #define LCD_SEG_L2_0 38 #define LCD_SEG_L2_COL1 39 #define LCD_SEG_L2_COL0 40 #define LCD_SEG_L2_DP 41 /* Line1 7-segment arrays */ #define LCD_SEG_L1_3_0 70 #define LCD_SEG_L1_2_0 71 #define LCD_SEG_L1_1_0 72 #define LCD_SEG_L1_3_1 73 #define LCD_SEG_L1_3_2 74 /* Line2 7-segment arrays */ #define LCD_SEG_L2_5_0 90 #define LCD_SEG_L2_4_0 91 #define LCD_SEG_L2_3_0 92 #define LCD_SEG_L2_2_0 93 #define LCD_SEG_L2_1_0 94 #define LCD_SEG_L2_5_2 95 #define LCD_SEG_L2_3_2 96 #define LCD_SEG_L2_5_4 97 #define LCD_SEG_L2_4_2 98 /* LCD controller memory map */ #define LCD_MEM_1 ((uint8_t*)0x0A20) #define LCD_MEM_2 ((uint8_t*)0x0A21) #define LCD_MEM_3 ((uint8_t*)0x0A22) #define LCD_MEM_4 ((uint8_t*)0x0A23) #define LCD_MEM_5 ((uint8_t*)0x0A24) #define LCD_MEM_6 ((uint8_t*)0x0A25) #define LCD_MEM_7 ((uint8_t*)0x0A26) #define LCD_MEM_8 ((uint8_t*)0x0A27) #define LCD_MEM_9 ((uint8_t*)0x0A28) #define LCD_MEM_10 ((uint8_t*)0x0A29) #define LCD_MEM_11 ((uint8_t*)0x0A2A) #define LCD_MEM_12 ((uint8_t*)0x0A2B) /* Memory assignment */ #define LCD_SEG_L1_0_MEM (LCD_MEM_6) #define LCD_SEG_L1_1_MEM (LCD_MEM_4) #define LCD_SEG_L1_2_MEM (LCD_MEM_3) #define LCD_SEG_L1_3_MEM (LCD_MEM_2) #define LCD_SEG_L1_COL_MEM (LCD_MEM_1) #define LCD_SEG_L1_DP1_MEM (LCD_MEM_1) #define LCD_SEG_L1_DP0_MEM (LCD_MEM_5) #define LCD_SEG_L2_0_MEM (LCD_MEM_8) #define LCD_SEG_L2_1_MEM (LCD_MEM_9) #define LCD_SEG_L2_2_MEM (LCD_MEM_10) #define LCD_SEG_L2_3_MEM (LCD_MEM_11) #define LCD_SEG_L2_4_MEM (LCD_MEM_12) #define LCD_SEG_L2_5_MEM (LCD_MEM_12) #define LCD_SEG_L2_COL1_MEM (LCD_MEM_1) #define LCD_SEG_L2_COL0_MEM (LCD_MEM_5) #define LCD_SEG_L2_DP_MEM (LCD_MEM_9) #define LCD_SYMB_AM_MEM (LCD_MEM_1) #define LCD_SYMB_PM_MEM (LCD_MEM_1) #define LCD_SYMB_ARROW_UP_MEM (LCD_MEM_1) #define LCD_SYMB_ARROW_DOWN_MEM (LCD_MEM_1) #define LCD_SYMB_PERCENT_MEM (LCD_MEM_5) #define LCD_SYMB_TOTAL_MEM (LCD_MEM_11) #define LCD_SYMB_AVERAGE_MEM (LCD_MEM_10) #define LCD_SYMB_MAX_MEM (LCD_MEM_8) #define LCD_SYMB_BATTERY_MEM (LCD_MEM_7) #define LCD_UNIT_L1_FT_MEM (LCD_MEM_5) #define LCD_UNIT_L1_K_MEM (LCD_MEM_5) #define LCD_UNIT_L1_M_MEM (LCD_MEM_7) #define LCD_UNIT_L1_I_MEM (LCD_MEM_7) #define LCD_UNIT_L1_PER_S_MEM (LCD_MEM_5) #define LCD_UNIT_L1_PER_H_MEM (LCD_MEM_7) #define LCD_UNIT_L1_DEGREE_MEM (LCD_MEM_5) #define LCD_UNIT_L2_KCAL_MEM (LCD_MEM_7) #define LCD_UNIT_L2_KM_MEM (LCD_MEM_7) #define LCD_UNIT_L2_MI_MEM (LCD_MEM_7) #define LCD_ICON_HEART_MEM (LCD_MEM_2) #define LCD_ICON_STOPWATCH_MEM (LCD_MEM_3) #define LCD_ICON_RECORD_MEM (LCD_MEM_1) #define LCD_ICON_ALARM_MEM (LCD_MEM_4) #define LCD_ICON_BEEPER1_MEM (LCD_MEM_5) #define LCD_ICON_BEEPER2_MEM (LCD_MEM_6) #define LCD_ICON_BEEPER3_MEM (LCD_MEM_7) /* Bit masks for write access */ #define LCD_SEG_L1_0_MASK (BIT2+BIT1+BIT0+BIT7+BIT6+BIT5+BIT4) #define LCD_SEG_L1_1_MASK (BIT2+BIT1+BIT0+BIT7+BIT6+BIT5+BIT4) #define LCD_SEG_L1_2_MASK (BIT2+BIT1+BIT0+BIT7+BIT6+BIT5+BIT4) #define LCD_SEG_L1_3_MASK (BIT2+BIT1+BIT0+BIT7+BIT6+BIT5+BIT4) #define LCD_SEG_L1_COL_MASK (BIT5) #define LCD_SEG_L1_DP1_MASK (BIT6) #define LCD_SEG_L1_DP0_MASK (BIT2) #define LCD_SEG_L2_0_MASK (BIT3+BIT2+BIT1+BIT0+BIT6+BIT5+BIT4) #define LCD_SEG_L2_1_MASK (BIT3+BIT2+BIT1+BIT0+BIT6+BIT5+BIT4) #define LCD_SEG_L2_2_MASK (BIT3+BIT2+BIT1+BIT0+BIT6+BIT5+BIT4) #define LCD_SEG_L2_3_MASK (BIT3+BIT2+BIT1+BIT0+BIT6+BIT5+BIT4) #define LCD_SEG_L2_4_MASK (BIT3+BIT2+BIT1+BIT0+BIT6+BIT5+BIT4) #define LCD_SEG_L2_5_MASK (BIT7) #define LCD_SEG_L2_COL1_MASK (BIT4) #define LCD_SEG_L2_COL0_MASK (BIT0) #define LCD_SEG_L2_DP_MASK (BIT7) #define LCD_SYMB_AM_MASK (BIT1+BIT0) #define LCD_SYMB_PM_MASK (BIT0) #define LCD_SYMB_ARROW_UP_MASK (BIT2) #define LCD_SYMB_ARROW_DOWN_MASK (BIT3) #define LCD_SYMB_PERCENT_MASK (BIT4) #define LCD_SYMB_TOTAL_MASK (BIT7) #define LCD_SYMB_AVERAGE_MASK (BIT7) #define LCD_SYMB_MAX_MASK (BIT7) #define LCD_SYMB_BATTERY_MASK (BIT7) #define LCD_UNIT_L1_FT_MASK (BIT5) #define LCD_UNIT_L1_K_MASK (BIT6) #define LCD_UNIT_L1_M_MASK (BIT1) #define LCD_UNIT_L1_I_MASK (BIT0) #define LCD_UNIT_L1_PER_S_MASK (BIT7) #define LCD_UNIT_L1_PER_H_MASK (BIT2) #define LCD_UNIT_L1_DEGREE_MASK (BIT1) #define LCD_UNIT_L2_KCAL_MASK (BIT4) #define LCD_UNIT_L2_KM_MASK (BIT5) #define LCD_UNIT_L2_MI_MASK (BIT6) #define LCD_ICON_HEART_MASK (BIT3) #define LCD_ICON_STOPWATCH_MASK (BIT3) #define LCD_ICON_RECORD_MASK (BIT7) #define LCD_ICON_ALARM_MASK (BIT3) #define LCD_ICON_BEEPER1_MASK (BIT3) #define LCD_ICON_BEEPER2_MASK (BIT3) #define LCD_ICON_BEEPER3_MASK (BIT3) /* ************************************************************************************************* * API section */ /* Physical LCD memory write */ /* ************************************************************************************************* * @fn write_segment * @brief Write to one or multiple LCD segments * @param lcdmem Pointer to LCD byte memory * bits Segments to address * bitmask Bitmask for particular display item * mode On, off or blink segments * @return * ************************************************************************************************/ void write_lcd_mem(uint8_t *lcdmem, uint8_t bits, uint8_t bitmask, uint8_t state); /* Display init / clear */ /* ************************************************************************************************* * @fn lcd_init * @brief Erase LCD memory. Init LCD peripheral. * @param none * @return none * ************************************************************************************************/ void lcd_init(void); /* ************************************************************************************************* * @fn clear_display * @brief Erase LINE1 and LINE2 segments. Keep icons. * @param none * @return none * ************************************************************************************************/ void clear_display(void); /* ************************************************************************************************* * @fn clear_display_all * @brief Erase LINE1 and LINE2 segments. Clear also function-specific content. * @param none * @return none * ************************************************************************************************/ void clear_display_all(void); /* ************************************************************************************************* * @fn clear_line * @brief Erase segments of a given line. * @param uint8_t line LINE1, LINE2 * @return none * ************************************************************************************************/ void clear_line(uint8_t line); /* Blinking function */ /* ************************************************************************************************* * @fn start_blink * @brief Start blinking. * @param none * @return none * ************************************************************************************************/ void start_blink(void); /* ************************************************************************************************* * @fn stop_blink * @brief Stop blinking. * @param none * @return none * ************************************************************************************************/ void stop_blink(void); /* ************************************************************************************************* * @fn stop_blink * @brief Clear blinking memory. * @param none * @return none * ************************************************************************************************/ void clear_blink_mem(void); /* ************************************************************************************************* * @fn set_blink_rate * @brief Set blink rate register bits. * @param none * @return none * ************************************************************************************************/ void set_blink_rate(uint8_t bits); /* Character / symbol draw functions */ /* ************************************************************************************************* * @fn display_char * @brief Write to 7-segment characters. * @param uint8_t segment A valid LCD segment * uint8_t chr Character to display * uint8_t mode SEG_ON, SEG_OFF, SEG_BLINK * @return none * ************************************************************************************************/ void display_char(uint8_t segment, char chr, uint8_t mode); /* ************************************************************************************************* * @FN display_chars * @brief Write to consecutive 7-segment characters. * @param uint8_t segments LCD segment array * uint8_t * str Pointer to a string * uint8_t mode SEG_ON, SEG_OFF, SEG_BLINK * @return none * ************************************************************************************************/ void display_chars(uint8_t segments, char *str, uint8_t mode); /* ************************************************************************************************* * @fn display_symbol * @brief Switch symbol on or off on LCD. * @param uint8_t symbol A valid LCD symbol (index 0..42) * uint8_t state SEG_ON, SEG_OFF, SEG_BLINK * @return none * ************************************************************************************************/ void display_symbol(uint8_t symbol, uint8_t mode); /* Set_value display functions */ /* ************************************************************************************************* * @fn display_value1 * @brief Generic decimal display routine. Used exclusively by set_value function. * @param uint8_t segments LCD segments where value is displayed * uint32_t value Integer value to be displayed * uint8_t digits Number of digits to convert * uint8_t blanks Number of leadings blanks in itoa result string * @return none * ************************************************************************************************/ void display_value1(uint8_t segments, uint32_t value, uint8_t digits, uint8_t blanks, uint8_t disp_mode); /* Integer to string conversion */ /* ************************************************************************************************* * @fn itoa * @brief Generic integer to array routine. Converts integer n to string. * Default conversion result has leading zeros, e.g. "00123" * Option to convert leading '0' into whitespace (blanks) * @param uint32_t n integer to convert * uint8_t digits number of digits * uint8_t blanks fill up result string with number of whitespaces instead of leading zeros * @return uint8_t string * ************************************************************************************************/ char *itoa(uint32_t n, uint8_t digits, uint8_t blanks); /* Segment index helper function */ /* ************************************************************************************************* * @fn switch_seg * @brief Returns index of 7-segment character. Required for display routines that can draw * information on both lines. * @param uint8_t line LINE1, LINE2 * uint8_t index1 Index of LINE1 * uint8_t index2 Index of LINE2 * @return uint8 * ************************************************************************************************/ uint8_t switch_seg(uint8_t line, uint8_t index1, uint8_t index2); /* ************************************************************************************************* * @fn display_all_off * @brief Sets everything of on the display * @param none * @return none * ************************************************************************************************/ void display_all_off(void); #ifdef __cplusplus } #endif #endif /* DISPLAY_ */