/**************************************************************************//**
* @brief LCD Light up or shut off Battery Indicator
* @param lcd Pointer to LCD register block
* @param batteryLevel Battery Level, 0 to 4 (0 turns all off)
*****************************************************************************/
void LCD_Battery(LCD_TypeDef *lcd, int batteryLevel)
{
uint32_t com, bitvalue;
int i, on;
for (i = 0; i < 4; i++)
{
if (i < batteryLevel)
{
on = 1;
}
else
{
on = 0;
}
com = EFMDisplay.Battery.com[i];
bitvalue = 1 << EFMDisplay.Battery.bit[i];
if (on)
{
LCD_enableSegment(lcd, com, bitvalue);
}
else
{
LCD_disableSegment(lcd, com, bitvalue);
}
}
}
/**************************************************************************//**
* @brief LCD Light up or shut off Ring of Indicators
* @param lcd Pointer to LCD register block
* @param anum "Segment number" on "Ring", range 0 - 7
* @param on Zero is off, non-zero is on
*****************************************************************************/
void LCD_ARing(LCD_TypeDef *lcd, int anum, int on)
{
uint32_t com, bitvalue;
com = EFMDisplay.ARing.com[anum];
bitvalue = 1 << EFMDisplay.ARing.bit[anum];
if (on) {
LCD_enableSegment(lcd, com, bitvalue);
} else {
LCD_disableSegment(lcd, com, bitvalue);
}
}
/**************************************************************************//**
* @brief LCD Light up or shut off Energy Mode indicator
* @param lcd Pointer to LCD register block
* @pararm em Energy Mode numer 0 to 4
* @param on Zero is off, non-zero is on
*****************************************************************************/
void LCD_EnergyMode(LCD_TypeDef *lcd, int em, int on)
{
uint32_t com, bitvalue;
com = EFMDisplay.EMode.com[em];
bitvalue = 1 << EFMDisplay.EMode.bit[em];
if (on) {
LCD_enableSegment(lcd, com, bitvalue);
} else {
LCD_disableSegment(lcd, com, bitvalue);
}
}
/**************************************************************************//**
* @brief Turn all segments on numeric display off
* @param lcd Pointer to LCD register structure
*****************************************************************************/
void LCD_NumberOff(LCD_TypeDef *lcd)
{
int digit, i, bit, com;
/* Turn off all segments */
for (digit = 0; digit < 4; digit++) {
for (i = 0; i < 7; i++) {
bit = EFMDisplay.Number[digit].bit[i];
com = EFMDisplay.Number[digit].com[i];
LCD_disableSegment(lcd, com, 1 << bit);
}
}
return;
}
/**************************************************************************//**
* @brief Write text on LCD display
* @param lcd Pointer to LCD register structure
* @param string Text string to show on display
*****************************************************************************/
void LCD_Write(LCD_TypeDef *lcd, char *string)
{
int data, length, index;
uint16_t bitfield;
uint32_t value;
uint32_t com, bit;
int i;
length = strlen(string);
index = 0;
/* fill out all characters on display */
for (index = 0; index < 7; index++)
{
if (index < length)
{
data = (int) *string;
}
else /* padding with space */
{
data = 0x20; /* SPACE */
}
/* defined letters currently starts at "SPACE" - 0x20; */
data = data - 0x20;
bitfield = EM_alphabet[data];
for (i = 0; i < 14; i++)
{
bit = EFMDisplay.Text[index].bit[i];
com = EFMDisplay.Text[index].com[i];
value = (1 << bit);
if (bitfield & (1 << i))
{
/* Turn on segment */
LCD_enableSegment(lcd, com, value);
}
else
{
/* Turn off segment */
LCD_disableSegment(lcd, com, value);
}
}
string++;
}
while (lcd->SYNCBUSY) ;
}
/**************************************************************************//**
* @brief Write number on numeric part on LCD display
* @param lcd Pointer to LCD control block
* @param value Numeric value to put on display, in range -999 to +9999
*****************************************************************************/
void LCD_Number(LCD_TypeDef *lcd, int value)
{
int num, i, com, bit, digit, div, neg;
uint16_t bitpattern;
/* Parameter consistancy check */
if (value >= 9999)
{
value = 9999;
}
if (value <= -1000)
{
value = -999;
}
if (value < 0)
{
value = abs(value);
neg = 1;
}
else
{
neg = 0;
}
/* Extract useful digits */
div = 1;
for (digit = 0; digit < 4; digit++)
{
num = (value / div) % 10;
if ((neg == 1) && (digit == 3)) num = 10;
bitpattern = EM_Numbers[num];
for (i = 0; i < 7; i++)
{
bit = EFMDisplay.Number[digit].bit[i];
com = EFMDisplay.Number[digit].com[i];
if (bitpattern & (1 << i))
{
LCD_enableSegment(lcd, com, 1 << bit);
}
else
{
LCD_disableSegment(lcd, com, 1 << bit);
}
}
div = div * 10;
}
}
/**************************************************************************//**
* @brief LCD Light up or shut off various symbols on LCD Display
* @param lcd Pointer to LCD register block
* @param s Which symbol to turn on or off
* @param on Zero is off, non-zero is on
*****************************************************************************/
void LCD_Symbol(LCD_TypeDef *lcd, lcdSymbol s, int on)
{
int com, bit;
switch (s) {
case LCD_SYMBOL_GECKO:
com = 3;
bit = 8;
break;
case LCD_SYMBOL_ANT:
com = 3;
bit = 1;
break;
case LCD_SYMBOL_PAD0:
com = 1;
bit = 8;
break;
case LCD_SYMBOL_PAD1:
com = 2;
bit = 8;
break;
case LCD_SYMBOL_AM:
com = 4;
bit = 0;
break;
case LCD_SYMBOL_PM:
com = 4;
bit = 3;
break;
case LCD_SYMBOL_EFM32:
com = 0;
bit = 8;
break;
case LCD_SYMBOL_MINUS:
com = 0;
bit = 9;
break;
case LCD_SYMBOL_COL3:
com = 0;
bit = 16;
break;
case LCD_SYMBOL_COL5:
com = 0;
bit = 24;
break;
case LCD_SYMBOL_COL10:
com = 4;
bit = 7;
break;
case LCD_SYMBOL_DP2:
com = 4;
bit = 2;
break;
case LCD_SYMBOL_DP3:
com = 5;
bit = 2;
break;
case LCD_SYMBOL_DP4:
com = 6;
bit = 2;
break;
case LCD_SYMBOL_DP5:
com = 7;
bit = 2;
break;
case LCD_SYMBOL_DP6:
com = 0;
bit = 21;
break;
case LCD_SYMBOL_DP10:
com = 4;
bit = 5;
break;
}
if (on) {
LCD_enableSegment(lcd, com, 1 << bit);
} else {
LCD_disableSegment(lcd, com, 1 << bit);
}
}