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dev/timer
Oliver Hahm 12 years ago
parent e556579282 a6257e5236
commit c3d24e2057
325 changed files with 11670 additions and 2887 deletions
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5
.gitignore vendored
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@ -0,0 +1,5 @@
*.o
doc/doxygen/html
doc/doxygen/latex
doc/doxygen/man
*bin

2
Jamfile
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@ -67,8 +67,8 @@ Debug debug : $(TARGET) ;
ListModules listmodules ;
ShowFlags showflags : $(TARGET) ;
SubInclude TOP projects $(PROJECT) ;
SubInclude TOP sys ;
SubInclude TOP core ;
SubInclude TOP drivers ;
SubInclude TOP board ;
SubInclude TOP projects $(PROJECT) ;

8
Jamrules
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@ -31,15 +31,15 @@
include $(TOP)$(SLASH)Jamrules.common ;
#
# Setup FeuerWare build system configuration (default values for common options)
# Setup ukleos build system configuration (default values for common options)
#
PROJECT = $(PROJECT:E=hello-world) ;
PROJECT = $(PROJECT:E=default) ;
BOARD = $(BOARD:E=msba2) ;
SUFFIX ?= "" ; # must be at least "" !!!
TARGET = "$(BOARD)-$(PROJECT)$(SUFFIX)$(SUFEXE)" ; # main target binary
OPENOCD_IF ?= olimex-jtag-tiny-a ;
TERMINAL ?= board/msba2/tools/bin/pseudoterm ;
TERMINAL ?= tools/pyterm/pyterm.py ;
if $(NT) || $(OS) = CYGWIN {
PORT = $(PORT:E=1) ;
@ -53,7 +53,6 @@ CCFLAGS += -DBOARD=BOARD_$(BOARD:U) ;
# core source directories
HDRS += $(TOP) ;
HDRS += [ FPath $(TOP) core include ] ;
HDRS += [ FPath $(TOP) hal include ] ;
HDRS += [ FPath $(TOP) sys include ] [ FPath $(TOP) sys config ] [ FPath $(TOP) sys drivers include ] [ FPath $(TOP) sys drivers cc110x ] [ FPath $(TOP) sys drivers nanopan5375 ] ;
HDRS += [ FPath $(TOP) sys net ] ;
HDRS += [ FPath $(TOP) sys lib ] [ FPath $(TOP) sys lib fat include ] ;
@ -74,3 +73,4 @@ HDRS += [ FPath $(TOP) projects $(PROJECT) ] ;
# drivers
HDRS += [ FPath $(TOP) drivers include ] ;
HDRS += [ FPath $(TOP) drivers cc110x ] ;
HDRS += [ FPath $(TOP) drivers cc110x_ng include ] ;

5
Jamrules.common
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@ -125,7 +125,7 @@ actions Cleanall
{
echo "> Cleaning binaries"
$(RM) bin$(SLASH)*
make -C $(TOP)$(SLASH)doc clean
# make -C $(TOP)$(SLASH)doc clean
}
#
@ -177,7 +177,7 @@ rule Test
}
actions Test
{
for tst in projects/$(PROJECT)/tests/*; do $tst; done
export PORT=$(PORT); for tst in projects/$(PROJECT)/tests/*; do $tst; done
}
# Reset connected sensor node
@ -357,4 +357,3 @@ actions ShowFlags {
echo "" | $(CC) -E -dD -
}

1
README
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@ -7,3 +7,4 @@ License
a separate license.
All code files contain licensing information.

4
board/eZ430-Chronos/Jamfile → board/chronos/Jamfile
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@ -1,8 +1,8 @@
SubDir TOP board eZ430-Chronos ;
SubDir TOP board chronos ;
HDRS += $(TOP)/board/$(CPU)/include ;
Module board : debug_uart.c board_init.c ;
Module board : putchar.c board_init.c ;
UseModule board ;
SubInclude TOP board $(BOARD) drivers ;

6
board/eZ430-Chronos/Jamrules.eZ430-Chronos → board/chronos/Jamrules.chronos
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@ -3,10 +3,12 @@
# ******************************************************************************
# $Id$
BOARD = eZ430-Chronos ;
CPU = msp430 ;
BOARD = chronos ;
CPU = cc430 ;
MCU = cc430x6137 ;
HDRS += [ FPath $(TOP) board chronos drivers include ] ;
FLASHER ?= mspdebug ;
FLASHFLAGS ?= rf2500 ;

74
board/chronos/board_init.c
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#include <stdint.h>
#include <board.h>
#include <cpu.h>
#include <irq.h>
void cc430_cpu_init(void) {
volatile uint16_t i;
volatile unsigned char *ptr;
/* disable watchdog */
WDTCTL = WDTPW + WDTHOLD;
// ---------------------------------------------------------------------
// Enable 32kHz ACLK
P5SEL |= 0x03; // Select XIN, XOUT on P5.0 and P5.1
UCSCTL6 &= ~XT1OFF; // XT1 On, Highest drive strength
UCSCTL6 |= XCAP_3; // Internal load cap
UCSCTL3 = SELA__XT1CLK; // Select XT1 as FLL reference
UCSCTL4 = SELA__XT1CLK | SELS__DCOCLKDIV | SELM__DCOCLKDIV;
// ---------------------------------------------------------------------
// Configure CPU clock for 12MHz
_BIS_SR(SCG0); // Disable the FLL control loop
UCSCTL0 = 0x0000; // Set lowest possible DCOx, MODx
UCSCTL1 = DCORSEL_5; // Select suitable range
UCSCTL2 = FLLD_1 + 0x16E; // Set DCO Multiplier
_BIC_SR(SCG0); // Enable the FLL control loop
// Worst-case settling time for the DCO when the DCO range bits have been
// changed is n x 32 x 32 x f_MCLK / f_FLL_reference. See UCS chapter in 5xx
// UG for optimization.
// 32 x 32 x 8 MHz / 32,768 Hz = 250000 = MCLK cycles for DCO to settle
for (i = 0xFF; i > 0; i--); // Time for flag to set
// Loop until XT1 & DCO stabilizes, use do-while to insure that
// body is executed at least once
do
{
UCSCTL7 &= ~(XT2OFFG + XT1LFOFFG + XT1HFOFFG + DCOFFG);
SFRIFG1 &= ~OFIFG; // Clear fault flags
} while ((SFRIFG1 & OFIFG));
// Disable all interrupts
__disable_interrupt();
// Get write-access to port mapping registers:
PMAPPWD = 0x02D52;
// Allow reconfiguration during runtime:
PMAPCTL = PMAPRECFG;
// P2.7 = TA0CCR1A or TA1CCR0A output (buzzer output)
ptr = &P2MAP0;
*(ptr+7) = PM_TA1CCR0A;
P2OUT &= ~BIT7;
P2DIR |= BIT7;
// P1.5 = SPI MISO input
ptr = &P1MAP0;
*(ptr+5) = PM_UCA0SOMI;
// P1.6 = SPI MOSI output
*(ptr+6) = PM_UCA0SIMO;
// P1.7 = SPI CLK output
*(ptr+7) = PM_UCA0CLK;
// Disable write-access to port mapping registers:
PMAPPWD = 0;
// Re-enable all interrupts
enableIRQ();
}
void board_init() {
cc430_cpu_init();
}

11
board/chronos/drivers/Jamfile
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SubDir TOP board chronos drivers ;
HDRS += $(TOP)/board/$(CPU)/drivers/include ;
Module board_display : display.c display1.c ;
Module board_cc110x : cc430-cc110x.c : cc110x_cc430 ;
Module board_buzzer : buzzer.c : hwtimer ;
Module battery : battery.c : adc hwtimer ;
Module vti_ps_twi : vti_ps_twi.c : hwtimer ;
Module display_putchar : display_putchar.c : board_display ;

13
board/chronos/drivers/battery.c
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#include <stdint.h>
#include <cc430x613x.h>
#include <cc430-adc.h>
uint32_t battery_get_voltage(void) {
uint32_t voltage;
voltage = adc12_single_conversion(REFVSEL_1, ADC12SHT0_10, ADC12INCH_11);
/* Ideally we have A11=0->AVCC=0V ... A11=4095(2^12-1)->AVCC=4V
* --> (A11/4095)*4V=AVCC --> AVCC=(A11*4)/4095 */
voltage = (voltage * 2 * 2 * 1000) / 4095;
return voltage;
}

28
board/chronos/drivers/buzzer.c
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#include <stdint.h>
#include <buzzer.h>
#include <hwtimer.h>
#include <cc430x613x.h>
void buzzer_beep(uint8_t pitch, uint16_t duration) {
// Reset TA1R, set up mode, TA1 runs from 32768Hz ACLK
TA1CTL = TACLR | MC_1 | TASSEL__ACLK;
// Set PWM frequency
TA1CCR0 = pitch;
// Enable IRQ, set output mode "toggle"
TA1CCTL0 = OUTMOD_4;
// Allow buzzer PWM output on P2.7
P2SEL |= BIT7;
hwtimer_wait(duration);
// Stop PWM timer
TA1CTL &= ~(BIT4 | BIT5);
// Reset and disable buzzer PWM output
P2OUT &= ~BIT7;
P2SEL &= ~BIT7;
TA1CCTL0 &= ~CCIE;
}

81
board/chronos/drivers/cc430-cc110x.c
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#include <stdint.h>
#include <cpu.h>
#include <irq.h>
#include <cc110x_ng.h>
#include <cc110x-arch.h>
//#include <cc430_.h>
#include <cc430x613x.h>
//#include <msp430/rf1a.h>
#define CC1100_GDO0 (RF1AIN & BIT0)
#define CC1100_GDO1 (RF1AIN & BIT1)
#define CC1100_GDO2 (RF1AIN & BIT2)
int cc110x_get_gdo0(void) {
return CC1100_GDO0;
}
int cc110x_get_gdo1(void) {
return CC1100_GDO1;
}
int cc110x_get_gdo2(void) {
return CC1100_GDO2;
}
void cc110x_before_send(void)
{
// Disable GDO2 interrupt before sending packet
cc110x_gdo2_disable();
}
void cc110x_after_send(void)
{
// Enable GDO2 interrupt after sending packet
cc110x_gdo2_enable();
}
void cc110x_gdo0_enable(void) {
RF1AIFG &= ~BIT0;
RF1AIE |= BIT0;
}
void cc110x_gdo0_disable(void) {
RF1AIE &= ~BIT0;
RF1AIFG &= ~BIT0;
}
void cc110x_gdo2_disable(void) {
RF1AIFG &= ~BIT2; // Clear a pending interrupt
RF1AIE &= ~BIT2; // Disable the interrupt
}
void cc110x_gdo2_enable(void) {
RF1AIFG &= ~BIT2; // Clear a pending interrupt
RF1AIE |= BIT2; // Enable the interrupt
}
void cc110x_init_interrupts(void) {
uint8_t state = disableIRQ(); /* Disable all interrupts */
cc110x_gdo2_enable();
cc110x_gdo0_disable();
restoreIRQ(state); /* Enable all interrupts */
}
interrupt (CC1101_VECTOR) __attribute__ ((naked)) cc110x_isr(void){
__enter_isr();
/* Check IFG */
if (RF1AIV == RF1AIV_RFIFG2) {
while (RF1AIN & BIT2);
/* discard all further interrupts */
RF1AIV = 0;
cc110x_gdo2_irq();
}
if (RF1AIV == RF1AIV_RFIFG0) {
cc110x_gdo0_irq();
RF1AIE &= ~BIT0;
}
__exit_isr();
}

383
board/chronos/drivers/display.c
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@ -0,0 +1,383 @@
/* *************************************************************************************************
*
* 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.
* ************************************************************************************************/
/* *************************************************************************************************
* Include section
*/
/* system */
#include <string.h>
/* driver */
#include <cc430x613x.h>
#include <display.h>
/**************************************************************************************************
* Prototypes section */
void write_lcd_mem(uint8_t *lcdmem, uint8_t bits, uint8_t bitmask, uint8_t state);
void clear_line(uint8_t line);
void display_symbol(uint8_t symbol, uint8_t mode);
/* *************************************************************************************************
* Global Variable section */
/* Display flags */
volatile s_display_flags_t display;
/* Global return string for itoa function */
char itoa_str[8];
void lcd_init(void) {
/* Clear entire display memory */
LCDBMEMCTL |= LCDCLRBM + LCDCLRM;
/* LCD_FREQ = ACLK/16/8 = 256Hz */
/* Frame frequency = 256Hz/4 = 64Hz, LCD mux 4, LCD on */
LCDBCTL0 = (LCDDIV0 + LCDDIV1 + LCDDIV2 + LCDDIV3) | (LCDPRE0 + LCDPRE1) | LCD4MUX | LCDON;
/* LCB_BLK_FREQ = ACLK/8/4096 = 1Hz */
LCDBBLKCTL = LCDBLKPRE0 | LCDBLKPRE1 | LCDBLKDIV0 | LCDBLKDIV1 | LCDBLKDIV2 | LCDBLKMOD0;
/* I/O to COM outputs */
P5SEL |= (BIT5 | BIT6 | BIT7);
P5DIR |= (BIT5 | BIT6 | BIT7);
/* Activate LCD output */
LCDBPCTL0 = 0xFFFF; /* Select LCD segments S0-S15 */
LCDBPCTL1 = 0x00FF; /* Select LCD segments S16-S22 */
#ifdef USE_LCD_CHARGE_PUMP
/* Charge pump voltage generated internally, internal bias (V2-V4) generation */
LCDBVCTL = LCDCPEN | VLCD_2_72;
#endif
}
void clear_display_all(void) {
// Clear generic content
clear_line(LINE1);
clear_line(LINE2);
}
void clear_display(void) {
clear_line(LINE1);
clear_line(LINE2);
}
void clear_line(uint8_t line) {
display_chars(switch_seg(line, LCD_SEG_L1_3_0, LCD_SEG_L2_5_0), NULL, SEG_OFF);
if (line == LINE1) {
display_symbol(LCD_SEG_L1_DP1, SEG_OFF);
display_symbol(LCD_SEG_L1_DP0, SEG_OFF);
display_symbol(LCD_SEG_L1_COL, SEG_OFF);
}
/* line == LINE2 */
else {
display_symbol(LCD_SEG_L2_DP, SEG_OFF);
display_symbol(LCD_SEG_L2_COL1, SEG_OFF);
display_symbol(LCD_SEG_L2_COL0, SEG_OFF);
}
}
void write_lcd_mem(uint8_t *lcdmem, uint8_t bits, uint8_t bitmask, uint8_t state) {
if (state == SEG_ON) {
/* Clear segments before writing */
*lcdmem = (uint8_t)(*lcdmem & ~bitmask);
/* Set visible segments */
*lcdmem = (uint8_t)(*lcdmem | bits);
}
else if (state == SEG_OFF) {
/* Clear segments */
*lcdmem = (uint8_t)(*lcdmem & ~bitmask);
}
else if (state == SEG_ON_BLINK_ON) {
/* Clear visible / blink segments before writing */
*lcdmem = (uint8_t)(*lcdmem & ~bitmask);
*(lcdmem+0x20) = (uint8_t)(*(lcdmem+0x20) & ~bitmask);
/* Set visible / blink segments */
*lcdmem = (uint8_t)(*lcdmem | bits);
*(lcdmem+0x20) = (uint8_t)(*(lcdmem+0x20) | bits);
}
else if (state == SEG_ON_BLINK_OFF) {
/* Clear visible segments before writing */
*lcdmem = (uint8_t)(*lcdmem & ~bitmask);
/* Set visible segments */
*lcdmem = (uint8_t)(*lcdmem | bits);
/* Clear blink segments */
*(lcdmem+0x20) = (uint8_t)(*(lcdmem+0x20) & ~bitmask);
}
else if (state == SEG_OFF_BLINK_OFF) {
/* Clear segments */
*lcdmem = (uint8_t)(*lcdmem & ~bitmask);
/* Clear blink segments */
*(lcdmem+0x20) = (uint8_t)(*(lcdmem+0x20) & ~bitmask);
}
}
char *itoa(uint32_t n, uint8_t digits, uint8_t blanks) {
uint8_t i;
uint8_t digits1 = digits;
/* Preset result string */
memcpy(itoa_str, "0000000", 7);
/* Return empty string if number of digits is invalid (valid range for digits: 1-7) */
if ((digits == 0) || (digits > 7)) {
return (itoa_str);
}
/* Numbers 0 .. 180 can be copied from itoa_conversion_table without conversion */
if (n <= 180) {
if (digits >= 3) {
memcpy(itoa_str+(digits-3), itoa_conversion_table[n], 3);
}
/* digits == 1 || 2 */
else {
memcpy(itoa_str, itoa_conversion_table[n]+(3-digits), digits);
}
}
/* For n > 180 need to calculate string content */
else {
/* Calculate digits from least to most significant number */
do {
itoa_str[digits-1] = n % 10 + '0';
n /= 10;
} while (--digits > 0);
}
/* Remove specified number of leading '0', always keep last one */
i = 0;
while ((itoa_str[i] == '0') && (i < digits1-1)) {
if (blanks > 0) {
/* Convert only specified number of leading '0' */
itoa_str[i]=' ';
blanks--;
}
i++;
}
return (itoa_str);
}
void display_value1(uint8_t segments, uint32_t value, uint8_t digits, uint8_t blanks, uint8_t disp_mode) {
char *str;
str = itoa(value, digits, blanks);
/* Display string in blink mode */
display_chars(segments, str, disp_mode);
}
void display_symbol(uint8_t symbol, uint8_t mode) {
uint8_t *lcdmem;
uint8_t bits;
uint8_t bitmask;
if (symbol <= LCD_SEG_L2_DP) {
/* Get LCD memory address for symbol from table */
lcdmem = (uint8_t*)segments_lcdmem[symbol];
/* Get bits for symbol from table */
bits = segments_bitmask[symbol];
/* Bitmask for symbols equals bits */
bitmask = bits;
/* Write LCD memory */
write_lcd_mem(lcdmem, bits, bitmask, mode);
}
}
void display_char(uint8_t segment, char chr, uint8_t mode) {
uint8_t *lcdmem; /* Pointer to LCD memory */
uint8_t bitmask; /* Bitmask for character */
uint8_t bits, bits1; /* Bits to write */
/* Write to single 7-segment character */
if ((segment >= LCD_SEG_L1_3) && (segment <= LCD_SEG_L2_DP)) {
/* Get LCD memory address for segment from table */
lcdmem = (uint8_t*)segments_lcdmem[segment];
/* Get bitmask for character from table */
bitmask = segments_bitmask[segment];
/* Get bits from font set */
if ((chr >= 0x30) && (chr <= 0x5A)) {
/* Use font set */
bits = lcd_font[chr-0x30];
}
else if (chr == 0x2D) {
/* '-' not in font set */
bits = BIT1;
}
else {
/* Other characters map to ' ' (blank) */
bits = 0;
}
/* When addressing LINE2 7-segment characters need to swap high- and low-nibble, */
/* because LCD COM/SEG assignment is mirrored against LINE1 */
if (segment >= LCD_SEG_L2_5) {
bits1 = ((bits << 4) & 0xF0) | ((bits >> 4) & 0x0F);
bits = bits1;
/* When addressing LCD_SEG_L2_5, need to convert ASCII '1' and 'L' to 1 bit, */
/* because LCD COM/SEG assignment is special for this incomplete character */
if (segment == LCD_SEG_L2_5) {
if ((chr == '1') || (chr == 'L')) bits = BIT7;
}
}
/* Physically write to LCD memory */
write_lcd_mem(lcdmem, bits, bitmask, mode);
}
}
void display_chars(uint8_t segments, char *str, uint8_t mode) {
uint8_t i;
uint8_t length = 0; /* Write length */
uint8_t char_start = 0; /* Starting point for consecutive write */
switch (segments) {
/* LINE1 */
case LCD_SEG_L1_3_0:
length=4;
char_start=LCD_SEG_L1_3;
break;
case LCD_SEG_L1_2_0:
length=3;
char_start=LCD_SEG_L1_2;
break;
case LCD_SEG_L1_1_0:
length=2;
char_start=LCD_SEG_L1_1;
break;
case LCD_SEG_L1_3_1:
length=3;
char_start=LCD_SEG_L1_3;
break;
case LCD_SEG_L1_3_2:
length=2;
char_start=LCD_SEG_L1_3;
break;
/* LINE2 */
case LCD_SEG_L2_5_0:
length=6;
char_start=LCD_SEG_L2_5;
break;
case LCD_SEG_L2_4_0:
length=5;
char_start=LCD_SEG_L2_4;
break;
case LCD_SEG_L2_3_0:
length=4;
char_start=LCD_SEG_L2_3;
break;
case LCD_SEG_L2_2_0:
length=3;
char_start=LCD_SEG_L2_2;
break;
case LCD_SEG_L2_1_0:
length=2;
char_start=LCD_SEG_L2_1;
break;
case LCD_SEG_L2_5_4:
length=2;
char_start=LCD_SEG_L2_5;
break;
case LCD_SEG_L2_5_2:
length=4;
char_start=LCD_SEG_L2_5;
break;
case LCD_SEG_L2_3_2:
length=2;
char_start=LCD_SEG_L2_3;
break;
case LCD_SEG_L2_4_2:
length=3;
char_start=LCD_SEG_L2_4;
break;
}
/* Write to consecutive digits */
for(i=0; i<length; i++) {
/* Use single character routine to write display memory */
display_char(char_start+i, *(str+i), mode);
}
}
uint8_t switch_seg(uint8_t line, uint8_t index1, uint8_t index2) {
if (line == LINE1) {
return index1;
}
/* line == LINE2 */
else {
return index2;
}
}
void start_blink(void) {
LCDBBLKCTL |= LCDBLKMOD0;
}
void stop_blink(void) {
LCDBBLKCTL &= ~LCDBLKMOD0;
}
void clear_blink_mem(void) {
LCDBMEMCTL |= LCDCLRBM;
}
void set_blink_rate(uint8_t bits) {
LCDBBLKCTL &= ~(BIT7 | BIT6 | BIT5);
LCDBBLKCTL |= bits;
}
void display_all_off(void) {
uint8_t *lcdptr = (uint8_t*)0x0A20;
uint8_t i;
for (i=1; i<=12; i++) {
*lcdptr = 0x00;
lcdptr++;
}
}

207
board/chronos/drivers/display1.c
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/* *************************************************************************************************
*
* 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. */
/* ************************************************************************************************* */
/* ************************************************************************************************* */
/* Include section */
#include <cc430x613x.h>
#include <display.h>
/* ************************************************************************************************* */
/* Global Variable section */
/* Table with memory bit assignment for digits "0" to "9" and characters "A" to "Z" */
/* A */
/* F B */
/* G */
/* E C */
/* D */
const uint8_t lcd_font[] = {
SEG_A+SEG_B+SEG_C+SEG_D+SEG_E+SEG_F, /* Displays "0" */
SEG_B+SEG_C, /* Displays "1" */
SEG_A+SEG_B+ SEG_D+SEG_E+ SEG_G, /* Displays "2" */
SEG_A+SEG_B+SEG_C+SEG_D+ SEG_G, /* Displays "3" */
SEG_B+SEG_C+ SEG_F+SEG_G, /* Displays "4" */
SEG_A+ SEG_C+SEG_D+ SEG_F+SEG_G, /* Displays "5" */
SEG_A+ SEG_C+SEG_D+SEG_E+SEG_F+SEG_G, /* Displays "6" */
SEG_A+SEG_B+SEG_C, /* Displays "7" */
SEG_A+SEG_B+SEG_C+SEG_D+SEG_E+SEG_F+SEG_G, /* Displays "8" */
SEG_A+SEG_B+SEG_C+SEG_D+ SEG_F+SEG_G, /* Displays "9" */
0 , /* Displays " " (:) */
0 , /* Displays " " (;) */
SEG_A+ SEG_F+SEG_G, /* Displays "<" as high c */
SEG_D+ SEG_G, /* Displays "=" */
0 , /* Displays " " (>) */
SEG_A+SEG_B+ SEG_E+ SEG_G, /* Displays "?" */
0 , /* Displays " " (@) */
SEG_A+SEG_B+SEG_C+ SEG_E+SEG_F+SEG_G, /* Displays "A" */
SEG_C+SEG_D+SEG_E+SEG_F+SEG_G, /* Displays "b" */
SEG_D+SEG_E+ SEG_G, /* Displays "c" */
SEG_B+SEG_C+SEG_D+SEG_E+ SEG_G, /* Displays "d" */
SEG_A+ +SEG_D+SEG_E+SEG_F+SEG_G, /* Displays "E" */
SEG_A+ SEG_E+SEG_F+SEG_G, /* Displays "f" */
SEG_A+SEG_B+SEG_C+SEG_D+ SEG_F+SEG_G, /* Displays "g" same as 9 */
SEG_C+ SEG_E+SEG_F+SEG_G, /* Displays "h" */
SEG_E , /* Displays "i" */
SEG_A+SEG_B+SEG_C+SEG_D , /* Displays "J" */
SEG_D+ SEG_F+SEG_G, /* Displays "k" */
SEG_D+SEG_E+SEG_F , /* Displays "L" */
SEG_A+SEG_B+SEG_C+ SEG_E+SEG_F , /* Displays "M" */
SEG_C+ SEG_E+ SEG_G, /* Displays "n" */
SEG_C+SEG_D+SEG_E+ SEG_G, /* Displays "o" */
SEG_A+SEG_B+ SEG_E+SEG_F+SEG_G, /* Displays "P" */
SEG_A+SEG_B+SEG_C+ SEG_F+SEG_G, /* Displays "q" */
SEG_E+ SEG_G, /* Displays "r" */
SEG_A+ SEG_C+SEG_D+ SEG_F+SEG_G, /* Displays "S" same as 5 */
SEG_D+SEG_E+SEG_F+SEG_G, /* Displays "t" */
SEG_C+SEG_D+SEG_E , /* Displays "u" */
SEG_C+SEG_D+SEG_E , /* Displays "v" same as u */
SEG_B+SEG_C+SEG_D+SEG_E+SEG_F+SEG_G, /* Displays "W" */
SEG_B+SEG_C+ +SEG_E+SEG_F+SEG_G, /* Displays "X" as H */
SEG_B+SEG_C+SEG_D+ SEG_F+SEG_G, /* Displays "Y" */
SEG_A+SEG_B+ SEG_D+SEG_E+ SEG_G, /* Displays "Z" same as 2 */
};
/* Table with memory address for each display element */
const uint8_t * segments_lcdmem[] = {
LCD_SYMB_AM_MEM,
LCD_SYMB_PM_MEM,
LCD_SYMB_ARROW_UP_MEM,
LCD_SYMB_ARROW_DOWN_MEM,
LCD_SYMB_PERCENT_MEM,
LCD_SYMB_TOTAL_MEM,
LCD_SYMB_AVERAGE_MEM,
LCD_SYMB_MAX_MEM,
LCD_SYMB_BATTERY_MEM,
LCD_UNIT_L1_FT_MEM,
LCD_UNIT_L1_K_MEM,
LCD_UNIT_L1_M_MEM,
LCD_UNIT_L1_I_MEM,
LCD_UNIT_L1_PER_S_MEM,
LCD_UNIT_L1_PER_H_MEM,
LCD_UNIT_L1_DEGREE_MEM,
LCD_UNIT_L2_KCAL_MEM,
LCD_UNIT_L2_KM_MEM,
LCD_UNIT_L2_MI_MEM,
LCD_ICON_HEART_MEM,
LCD_ICON_STOPWATCH_MEM,
LCD_ICON_RECORD_MEM,
LCD_ICON_ALARM_MEM,
LCD_ICON_BEEPER1_MEM,
LCD_ICON_BEEPER2_MEM,
LCD_ICON_BEEPER3_MEM,
LCD_SEG_L1_3_MEM,
LCD_SEG_L1_2_MEM,
LCD_SEG_L1_1_MEM,
LCD_SEG_L1_0_MEM,
LCD_SEG_L1_COL_MEM,
LCD_SEG_L1_DP1_MEM,
LCD_SEG_L1_DP0_MEM,
LCD_SEG_L2_5_MEM,
LCD_SEG_L2_4_MEM,
LCD_SEG_L2_3_MEM,
LCD_SEG_L2_2_MEM,
LCD_SEG_L2_1_MEM,
LCD_SEG_L2_0_MEM,
LCD_SEG_L2_COL1_MEM,
LCD_SEG_L2_COL0_MEM,
LCD_SEG_L2_DP_MEM,
};
/* Table with bit mask for each display element */
const uint8_t segments_bitmask[] = {
LCD_SYMB_AM_MASK,
LCD_SYMB_PM_MASK,
LCD_SYMB_ARROW_UP_MASK,
LCD_SYMB_ARROW_DOWN_MASK,
LCD_SYMB_PERCENT_MASK,
LCD_SYMB_TOTAL_MASK,
LCD_SYMB_AVERAGE_MASK,
LCD_SYMB_MAX_MASK,
LCD_SYMB_BATTERY_MASK,
LCD_UNIT_L1_FT_MASK,
LCD_UNIT_L1_K_MASK,
LCD_UNIT_L1_M_MASK,
LCD_UNIT_L1_I_MASK,
LCD_UNIT_L1_PER_S_MASK,
LCD_UNIT_L1_PER_H_MASK,
LCD_UNIT_L1_DEGREE_MASK,
LCD_UNIT_L2_KCAL_MASK,
LCD_UNIT_L2_KM_MASK,
LCD_UNIT_L2_MI_MASK,
LCD_ICON_HEART_MASK,
LCD_ICON_STOPWATCH_MASK,
LCD_ICON_RECORD_MASK,
LCD_ICON_ALARM_MASK,
LCD_ICON_BEEPER1_MASK,
LCD_ICON_BEEPER2_MASK,
LCD_ICON_BEEPER3_MASK,
LCD_SEG_L1_3_MASK,
LCD_SEG_L1_2_MASK,
LCD_SEG_L1_1_MASK,
LCD_SEG_L1_0_MASK,
LCD_SEG_L1_COL_MASK,
LCD_SEG_L1_DP1_MASK,
LCD_SEG_L1_DP0_MASK,
LCD_SEG_L2_5_MASK,
LCD_SEG_L2_4_MASK,
LCD_SEG_L2_3_MASK,
LCD_SEG_L2_2_MASK,
LCD_SEG_L2_1_MASK,
LCD_SEG_L2_0_MASK,
LCD_SEG_L2_COL1_MASK,
LCD_SEG_L2_COL0_MASK,
LCD_SEG_L2_DP_MASK,
};
/* Quick integer to array conversion table for most common integer values
* discarding this would save aprox. 600 bytes codespace but increase cpu time
* for displaying values */
const uint8_t itoa_conversion_table[][3] = {
"000", "001", "002", "003", "004", "005", "006", "007", "008", "009", "010", "011", "012", "013", "014", "015",
"016", "017", "018", "019", "020", "021", "022", "023", "024", "025", "026", "027", "028", "029", "030", "031",
"032", "033", "034", "035", "036", "037", "038", "039", "040", "041", "042", "043", "044", "045", "046", "047",
"048", "049", "050", "051", "052", "053", "054", "055", "056", "057", "058", "059", "060", "061", "062", "063",
"064", "065", "066", "067", "068", "069", "070", "071", "072", "073", "074", "075", "076", "077", "078", "079",
"080", "081", "082", "083", "084", "085", "086", "087", "088", "089", "090", "091", "092", "093", "094", "095",
"096", "097", "098", "099", "100", "101", "102", "103", "104", "105", "106", "107", "108", "109", "110", "111",
"112", "113", "114", "115", "116", "117", "118", "119", "120", "121", "122", "123", "124", "125", "126", "127",
"128", "129", "130", "131", "132", "133", "134", "135", "136", "137", "138", "139", "140", "141", "142", "143",
"144", "145", "146", "147", "148", "149", "150", "151", "152", "153", "154", "155", "156", "157", "158", "159",
"160", "161", "162", "163", "164", "165", "166", "167", "168", "169", "170", "171", "172", "173", "174", "175",
"176", "177", "178", "179", "180",
};

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board/chronos/drivers/display_putchar.c
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#include <stdio.h>
#include <display.h>
#include <string.h>
extern int toupper(int c);
extern void (*_putchar)(int c);
static char display_buf[11];
void putchar_to_display();
void init_display_putchar() {
memset(display_buf, '\0', 11);
_putchar = putchar_to_display;
}
void putchar_to_display(int c) {
if (c == '\n') {
display_buf[4] = 1;
return;
}
if (display_buf[4]) {
memset(display_buf, '\0', 11);
} else {
display_buf[0] = display_buf[1];
display_buf[1] = display_buf[2];
display_buf[2] = display_buf[3];
display_buf[3] = display_buf[5];
display_buf[5] = display_buf[6];
display_buf[6] = display_buf[7];
display_buf[7] = display_buf[8];
display_buf[8] = display_buf[9];
}
display_buf[9] = toupper(c);
clear_display_all();
display_chars(LCD_SEG_L1_3_0, display_buf, SEG_ON);
display_chars(LCD_SEG_L2_5_0, display_buf+4, SEG_ON);
}

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board/chronos/drivers/include/battery.h
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#ifndef BATTERY_H
#define BATTERY_H
uint32_t battery_get_voltage(void);
#endif /* BATTERY_H */

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board/chronos/drivers/include/buzzer.h
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#ifndef BUZZER_H
#define BUZZER_H
void buzzer_beep(uint8_t pitch, uint16_t duration);
#endif /* BUZZER_H */

458
board/chronos/drivers/include/display.h
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/* *************************************************************************************************
*
* 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
#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