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Added variable for more readable height of volume bar #286

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Added variable for more readable height of volume bar #286

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338 changes: 169 additions & 169 deletions Esp32_radio/bluetft.h
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Original file line number Diff line number Diff line change
@@ -1,170 +1,170 @@
// bluetft.h
//
// Separated from the main sketch to allow several display types.
// Includes for various ST7735 displays. Size is 160 x 128. Select INITR_BLACKTAB
// for this and set dsp_getwidth() to 160.
// Works also for the 128 x 128 version. Select INITR_144GREENTAB for this and
// set dsp_getwidth() to 128.

#include <Adafruit_ST7735.h>

// Color definitions for the TFT screen (if used)
// TFT has bits 6 bits (0..5) for RED, 6 bits (6..11) for GREEN and 4 bits (12..15) for BLUE.
#define BLACK ST7735_BLACK
#define BLUE ST7735_BLUE
#define RED ST7735_RED
#define GREEN ST7735_GREEN
#define CYAN GREEN | BLUE
#define MAGENTA RED | BLUE
#define YELLOW RED | GREEN
#define WHITE RED | BLUE | GREEN

// Data to display. There are TFTSECS sections
#define TFTSECS 4
scrseg_struct tftdata[TFTSECS] = // Screen divided in 3 segments + 1 overlay
{ // One text line is 8 pixels
{ false, WHITE, 0, 8, "" }, // 1 top line
{ false, CYAN, 20, 64, "" }, // 8 lines in the middle
{ false, YELLOW, 90, 32, "" }, // 4 lines at the bottom
{ false, GREEN, 90, 32, "" } // 4 lines at the bottom for rotary encoder
} ;


Adafruit_ST7735* tft = NULL ; // For instance of display driver

// Various macro's to mimic the ST7735 version of display functions
#define dsp_setRotation() tft->setRotation ( 1 ) // Use landscape format (3 for upside down)
#define dsp_print(a) tft->print ( a ) // Print a string
#define dsp_println(b) tft->println ( b ) // Print a string followed by newline
#define dsp_fillRect(a,b,c,d,e) tft->fillRect ( a, b, c, d, e ) ; // Fill a rectange
#define dsp_setTextSize(a) tft->setTextSize(a) // Set the text size
#define dsp_setTextColor(a) tft->setTextColor(a) // Set the text color
#define dsp_setCursor(a,b) tft->setCursor ( a, b ) // Position the cursor
#define dsp_erase() tft->fillScreen ( BLACK ) ; // Clear the screen
#define dsp_getwidth() 160 // Adjust to your display
#define dsp_getheight() 128 // Get height of screen
#define dsp_update() // Updates to the physical screen
#define dsp_usesSPI() true // Does use SPI


bool dsp_begin()
{
tft = new Adafruit_ST7735 ( ini_block.tft_cs_pin,
ini_block.tft_dc_pin, -1 ) ; // Create an instant for TFT
// Uncomment one of the following initR lines for ST7735R displays
//tft->initR ( INITR_GREENTAB ) ; // Init TFT interface
//tft->initR ( INITR_REDTAB ) ; // Init TFT interface
tft->initR ( INITR_BLACKTAB ) ; // Init TFT interface
//tft->initR ( INITR_144GREENTAB ) ; // Init TFT interface
//tft->initR ( INITR_MINI160x80 ) ; // Init TFT interface
//tft->initR ( INITR_BLACKTAB ) ; // Init TFT interface (160x128)
// Uncomment the next line for ST7735B displays
//tft_initB() ;
return ( tft != NULL ) ;
}


//**************************************************************************************************
// D I S P L A Y B A T T E R Y *
//**************************************************************************************************
// Show the current battery charge level on the screen. *
// It will overwrite the top divider. *
// No action if bat0/bat100 not defined in the preferences. *
//**************************************************************************************************
void displaybattery()
{
if ( tft )
{
if ( ini_block.bat0 < ini_block.bat100 ) // Levels set in preferences?
{
static uint16_t oldpos = 0 ; // Previous charge level
uint16_t ypos ; // Position on screen
uint16_t v ; // Constrainted ADC value
uint16_t newpos ; // Current setting

v = constrain ( adcval, ini_block.bat0, // Prevent out of scale
ini_block.bat100 ) ;
newpos = map ( v, ini_block.bat0, // Compute length of green bar
ini_block.bat100,
0, dsp_getwidth() ) ;
if ( newpos != oldpos ) // Value changed?
{
oldpos = newpos ; // Remember for next compare
ypos = tftdata[1].y - 5 ; // Just before 1st divider
dsp_fillRect ( 0, ypos, newpos, 2, GREEN ) ; // Paint green part
dsp_fillRect ( newpos, ypos,
dsp_getwidth() - newpos,
2, RED ) ; // Paint red part
}
}
}
}


//**************************************************************************************************
// D I S P L A Y V O L U M E *
//**************************************************************************************************
// Show the current volume as an indicator on the screen. *
// The indicator is 2 pixels heigh. *
//**************************************************************************************************
void displayvolume()
{
if ( tft )
{
static uint8_t oldvol = 0 ; // Previous volume
uint8_t newvol ; // Current setting
uint16_t pos ; // Positon of volume indicator

newvol = vs1053player->getVolume() ; // Get current volume setting
if ( newvol != oldvol ) // Volume changed?
{
oldvol = newvol ; // Remember for next compare
pos = map ( newvol, 0, 100, 0, dsp_getwidth() ) ; // Compute position on TFT
dsp_fillRect ( 0, dsp_getheight() - 2,
pos, 2, RED ) ; // Paint red part
dsp_fillRect ( pos, dsp_getheight() - 2,
dsp_getwidth() - pos, 2, GREEN ) ; // Paint green part
}
}
}


//**************************************************************************************************
// D I S P L A Y T I M E *
//**************************************************************************************************
// Show the time on the LCD at a fixed position in a specified color *
// To prevent flickering, only the changed part of the timestring is displayed. *
// An empty string will force a refresh on next call. *
// A character on the screen is 8 pixels high and 6 pixels wide. *
//**************************************************************************************************
void displaytime ( const char* str, uint16_t color )
{
static char oldstr[9] = "........" ; // For compare
uint8_t i ; // Index in strings
uint16_t pos = dsp_getwidth() + TIMEPOS ; // X-position of character, TIMEPOS is negative

if ( str[0] == '\0' ) // Empty string?
{
for ( i = 0 ; i < 8 ; i++ ) // Set oldstr to dots
{
oldstr[i] = '.' ;
}
return ; // No actual display yet
}
if ( tft ) // TFT active?
{
dsp_setTextColor ( color ) ; // Set the requested color
for ( i = 0 ; i < 8 ; i++ ) // Compare old and new
{
if ( str[i] != oldstr[i] ) // Difference?
{
dsp_fillRect ( pos, 0, 6, 8, BLACK ) ; // Clear the space for new character
dsp_setCursor ( pos, 0 ) ; // Prepare to show the info
dsp_print ( str[i] ) ; // Show the character
oldstr[i] = str[i] ; // Remember for next compare
}
pos += 6 ; // Next position
}
}
}
// bluetft.h
//
// Separated from the main sketch to allow several display types.
// Includes for various ST7735 displays. Size is 160 x 128. Select INITR_BLACKTAB
// for this and set dsp_getwidth() to 160.
// Works also for the 128 x 128 version. Select INITR_144GREENTAB for this and
// set dsp_getwidth() to 128.

#include <Adafruit_ST7735.h>

// Color definitions for the TFT screen (if used)
// TFT has bits 6 bits (0..5) for RED, 6 bits (6..11) for GREEN and 4 bits (12..15) for BLUE.
#define BLACK ST7735_BLACK
#define BLUE ST7735_BLUE
#define RED ST7735_RED
#define GREEN ST7735_GREEN
#define CYAN GREEN | BLUE
#define MAGENTA RED | BLUE
#define YELLOW RED | GREEN
#define WHITE RED | BLUE | GREEN

// Data to display. There are TFTSECS sections
#define TFTSECS 4
scrseg_struct tftdata[TFTSECS] = // Screen divided in 3 segments + 1 overlay
{ // One text line is 8 pixels
{ false, WHITE, 0, 8, "" }, // 1 top line
{ false, CYAN, 20, 64, "" }, // 8 lines in the middle
{ false, YELLOW, 90, 32, "" }, // 4 lines at the bottom
{ false, GREEN, 90, 32, "" } // 4 lines at the bottom for rotary encoder
} ;


Adafruit_ST7735* tft = NULL ; // For instance of display driver

// Various macro's to mimic the ST7735 version of display functions
#define dsp_setRotation() tft->setRotation ( 1 ) // Use landscape format (3 for upside down)
#define dsp_print(a) tft->print ( a ) // Print a string
#define dsp_println(b) tft->println ( b ) // Print a string followed by newline
#define dsp_fillRect(a,b,c,d,e) tft->fillRect ( a, b, c, d, e ) ; // Fill a rectange
#define dsp_setTextSize(a) tft->setTextSize(a) // Set the text size
#define dsp_setTextColor(a) tft->setTextColor(a) // Set the text color
#define dsp_setCursor(a,b) tft->setCursor ( a, b ) // Position the cursor
#define dsp_erase() tft->fillScreen ( BLACK ) ; // Clear the screen
#define dsp_getwidth() 160 // Adjust to your display
#define dsp_getheight() 128 // Get height of screen
#define dsp_update() // Updates to the physical screen
#define dsp_usesSPI() true // Does use SPI


bool dsp_begin()
{
tft = new Adafruit_ST7735 ( ini_block.tft_cs_pin,
ini_block.tft_dc_pin, -1 ) ; // Create an instant for TFT
// Uncomment one of the following initR lines for ST7735R displays
//tft->initR ( INITR_GREENTAB ) ; // Init TFT interface
//tft->initR ( INITR_REDTAB ) ; // Init TFT interface
tft->initR ( INITR_BLACKTAB ) ; // Init TFT interface
//tft->initR ( INITR_144GREENTAB ) ; // Init TFT interface
//tft->initR ( INITR_MINI160x80 ) ; // Init TFT interface
//tft->initR ( INITR_BLACKTAB ) ; // Init TFT interface (160x128)
// Uncomment the next line for ST7735B displays
//tft_initB() ;
return ( tft != NULL ) ;
}

int VolumeBarHeight = 5;

//**************************************************************************************************
// D I S P L A Y B A T T E R Y *
//**************************************************************************************************
// Show the current battery charge level on the screen. *
// It will overwrite the top divider. *
// No action if bat0/bat100 not defined in the preferences. *
//**************************************************************************************************
void displaybattery()
{
if ( tft )
{
if ( ini_block.bat0 < ini_block.bat100 ) // Levels set in preferences?
{
static uint16_t oldpos = 0 ; // Previous charge level
uint16_t ypos ; // Position on screen
uint16_t v ; // Constrainted ADC value
uint16_t newpos ; // Current setting

v = constrain ( adcval, ini_block.bat0, // Prevent out of scale
ini_block.bat100 ) ;
newpos = map ( v, ini_block.bat0, // Compute length of green bar
ini_block.bat100,
0, dsp_getwidth() ) ;
if ( newpos != oldpos ) // Value changed?
{
oldpos = newpos ; // Remember for next compare
ypos = tftdata[1].y - 5 ; // Just before 1st divider
dsp_fillRect ( 0, ypos, newpos, 2, GREEN ) ; // Paint green part
dsp_fillRect ( newpos, ypos,
dsp_getwidth() - newpos,
2, RED ) ; // Paint red part
}
}
}
}


//**************************************************************************************************
// D I S P L A Y V O L U M E *
//**************************************************************************************************
// Show the current volume as an indicator on the screen. *
// The indicator is 2 pixels heigh. *
//**************************************************************************************************
void displayvolume()
{
if ( tft )
{
static uint8_t oldvol = 0 ; // Previous volume
uint8_t newvol ; // Current setting
uint16_t pos ; // Positon of volume indicator

newvol = vs1053player->getVolume() ; // Get current volume setting
if ( newvol != oldvol ) // Volume changed?
{
oldvol = newvol ; // Remember for next compare
pos = map ( newvol, 0, 100, 0, dsp_getwidth() ) ; // Compute position on TFT
dsp_fillRect ( 0, dsp_getheight() - VolumeBarHeight,
pos, VolumeBarHeight, RED ) ; // Paint red part
dsp_fillRect ( pos, dsp_getheight() - VolumeBarHeight,
dsp_getwidth() - pos, VolumeBarHeight, GREEN ) ; // Paint green part
}
}
}


//**************************************************************************************************
// D I S P L A Y T I M E *
//**************************************************************************************************
// Show the time on the LCD at a fixed position in a specified color *
// To prevent flickering, only the changed part of the timestring is displayed. *
// An empty string will force a refresh on next call. *
// A character on the screen is 8 pixels high and 6 pixels wide. *
//**************************************************************************************************
void displaytime ( const char* str, uint16_t color )
{
static char oldstr[9] = "........" ; // For compare
uint8_t i ; // Index in strings
uint16_t pos = dsp_getwidth() + TIMEPOS ; // X-position of character, TIMEPOS is negative

if ( str[0] == '\0' ) // Empty string?
{
for ( i = 0 ; i < 8 ; i++ ) // Set oldstr to dots
{
oldstr[i] = '.' ;
}
return ; // No actual display yet
}
if ( tft ) // TFT active?
{
dsp_setTextColor ( color ) ; // Set the requested color
for ( i = 0 ; i < 8 ; i++ ) // Compare old and new
{
if ( str[i] != oldstr[i] ) // Difference?
{
dsp_fillRect ( pos, 0, 6, 8, BLACK ) ; // Clear the space for new character
dsp_setCursor ( pos, 0 ) ; // Prepare to show the info
dsp_print ( str[i] ) ; // Show the character
oldstr[i] = str[i] ; // Remember for next compare
}
pos += 6 ; // Next position
}
}
}