From d31a32c5012e4bc0eed9921e1783ed8f59d72e96 Mon Sep 17 00:00:00 2001
From: Dave Chapman <dave@dchapman.com>
Date: Fri, 11 Nov 2005 17:51:35 +0000
Subject: [PATCH] iPod: Code cleanup - the bootloader now compiles with zero
 warnings

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7812 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/adc.c        |  3 ++-
 firmware/drivers/ata.c        |  5 ++--
 firmware/drivers/button.c     |  5 +++-
 firmware/drivers/i2c-pp5020.c | 12 ++++++---
 firmware/drivers/lcd-16bit.c  | 51 ++++++++++++++++++++---------------
 firmware/drivers/lcd-ipod.c   | 21 ++++++++++-----
 firmware/drivers/power.c      |  8 +++---
 firmware/export/button.h      |  2 +-
 firmware/export/i2c-pp5020.h  |  3 +--
 firmware/export/system.h      |  2 +-
 firmware/kernel.c             |  6 ++---
 firmware/rolo.c               |  7 +++--
 firmware/sound.c              | 12 +++++++++
 firmware/system.c             |  2 +-
 firmware/thread.c             |  7 ++---
 firmware/timer.c              | 13 ++++++++-
 firmware/usb.c                | 10 ++++---
 17 files changed, 111 insertions(+), 58 deletions(-)

diff --git a/firmware/drivers/adc.c b/firmware/drivers/adc.c
index 665cd37f81..c79c22ce0f 100644
--- a/firmware/drivers/adc.c
+++ b/firmware/drivers/adc.c
@@ -256,10 +256,11 @@ void adc_init(void)
 
 #elif CONFIG_CPU == PP5020
 
-#warning Implement adc.c
+/* TODO: Implement adc.c */
 
 unsigned short adc_read(int channel)
 {
+    (void)channel;
     return 0;
 }
 
diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c
index 4ae6cbc944..dac94b0ea9 100644
--- a/firmware/drivers/ata.c
+++ b/firmware/drivers/ata.c
@@ -1247,7 +1247,8 @@ void ata_enable(bool on)
 #elif CONFIG_CPU == TCC730
 
 #elif CONFIG_CPU == PP5020
-     #warning Implement ata_enable()
+    /* TODO: Implement ata_enable() */
+    (void)on;
 #endif
 }
 
@@ -1400,7 +1401,7 @@ int ata_init(void)
     bool coldstart = (GPIO_FUNCTION & 0x00080000) == 0;
 #elif CONFIG_CPU == PP5020
     bool coldstart = false;
-    #warning Implement coldstart variable
+    /* TODO: Implement coldstart variable */
 #else
     bool coldstart = (PACR2 & 0x4000) != 0;
 #endif
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c
index 4d1652984b..1e3cbcbf32 100644
--- a/firmware/drivers/button.c
+++ b/firmware/drivers/button.c
@@ -563,7 +563,10 @@ static int button_read(void)
     data = P7;
     if (data & 0x01)
         btn |= BUTTON_ON;
-    
+
+#elif CONFIG_KEYPAD == IPOD_4G_PAD || CONFIG_KEYPAD == IPOD_NANO_PAD
+    /* TODO: Implement for iPod */
+    (void)data;
 #endif /* CONFIG_KEYPAD */
 
 
diff --git a/firmware/drivers/i2c-pp5020.c b/firmware/drivers/i2c-pp5020.c
index c08fad3b64..6f8d9a91d5 100644
--- a/firmware/drivers/i2c-pp5020.c
+++ b/firmware/drivers/i2c-pp5020.c
@@ -28,10 +28,12 @@
 
 /* Local functions definitions */
 
+#if 0
 static int i2c_write_byte(int device, unsigned char data);
 static int i2c_gen_start(int device);
 static void i2c_gen_stop(int device);
 static volatile unsigned char *i2c_get_addr(int device);
+#endif
 
 #define IPOD_I2C_BASE   0x7000c000
 #define IPOD_I2C_CTRL   (IPOD_I2C_BASE+0x00)
@@ -53,8 +55,8 @@ static volatile unsigned char *i2c_get_addr(int device);
 static int
 ipod_i2c_wait_not_busy(void)
 {
-    unsigned long timeout;
 #if 0
+    unsigned long timeout;
     timeout = jiffies + POLL_TIMEOUT;
     while (time_before(jiffies, timeout)) {
          if (!(inb(IPOD_I2C_STATUS) & IPOD_I2C_BUSY)) {
@@ -65,6 +67,7 @@ ipod_i2c_wait_not_busy(void)
 
     return -ETIMEDOUT;
 #endif
+    return 0;
 }
 
 
@@ -81,8 +84,7 @@ void i2c_init(void)
    outl(0x0, 0x600060a4);
    outl(0x80 | (0 << 8), 0x600060a4);
 
-   i2c_readbyte(0x8, 0);
-
+   //i2c_readbyte(0x8, 0);
 }
 
 void i2c_close(void)
@@ -130,8 +132,9 @@ int i2c_write(int device, unsigned char *buf, int count)
     return count;
 }
 
+#if 0
 /* Write a byte to the interface, returns 0 on success, -1 otherwise. */
-int i2c_write_byte(int device, unsigned char data)
+static int i2c_write_byte(int device, unsigned char data)
 {
     if (ipod_i2c_wait_not_busy() < 0) {
         return -2;
@@ -179,6 +182,7 @@ void i2c_gen_stop(int device)
     regs[O_MBCR] &= ~MSTA;          /* Clear MSTA to generate STOP */
 }
 
+#endif
 
 volatile unsigned char *i2c_get_addr(int device)
 {
diff --git a/firmware/drivers/lcd-16bit.c b/firmware/drivers/lcd-16bit.c
index 030df3efb1..933d02e64a 100644
--- a/firmware/drivers/lcd-16bit.c
+++ b/firmware/drivers/lcd-16bit.c
@@ -155,23 +155,26 @@ int lcd_getstringsize(const unsigned char *str, int *w, int *h)
 
 static void setpixel(int x, int y)
 {
-    unsigned short *data = &lcd_framebuffer[y][x*2];
+    unsigned short *data = (unsigned short*)&lcd_framebuffer[y][x*2];
     *data = fg_pattern;
 }
 
 static void clearpixel(int x, int y)
 {
-    unsigned short *data = &lcd_framebuffer[y][x*2];
+    unsigned short *data = (unsigned short*)&lcd_framebuffer[y][x*2];
     *data = bg_pattern;
 }
 
 static void flippixel(int x, int y)
 {
   /* What should this do on a color display? */
+  (void)x;
+  (void)y;
 }
 
 static void nopixel(int x, int y)
 {
+  /* What should this do on a color display? */
     (void)x;
     (void)y;
 }
@@ -182,17 +185,18 @@ lcd_pixelfunc_type* const lcd_pixelfuncs[8] = {
 };
 
 /* 'mask' and 'bits' contain 2 bits per pixel */
-static void flipblock(unsigned short *address, unsigned mask, unsigned bits)
+static void flipblock(unsigned char *address, unsigned mask, unsigned bits)
                       ICODE_ATTR;
-static void flipblock(unsigned short *address, unsigned mask, unsigned bits)
+static void flipblock(unsigned char *address, unsigned mask, unsigned bits)
 {
     *address ^= bits & mask;
 }
 
-static void bgblock(unsigned short *address, unsigned mask, unsigned bits)
+static void bgblock(unsigned char *address, unsigned mask, unsigned bits)
                     ICODE_ATTR;
-static void bgblock(unsigned short *address, unsigned mask, unsigned bits)
+static void bgblock(unsigned char *address, unsigned mask, unsigned bits)
 {
+    (void)bits;
     if (mask > 0) {
       *address = bg_pattern;
     } else {
@@ -200,10 +204,11 @@ static void bgblock(unsigned short *address, unsigned mask, unsigned bits)
     }
 }
 
-static void fgblock(unsigned short *address, unsigned mask, unsigned bits)
+static void fgblock(unsigned char *address, unsigned mask, unsigned bits)
                     ICODE_ATTR;
-static void fgblock(unsigned short *address, unsigned mask, unsigned bits)
+static void fgblock(unsigned char *address, unsigned mask, unsigned bits)
 {
+    (void)bits;
     if (mask > 0) {
       *address = fg_pattern;
     } else {
@@ -211,40 +216,40 @@ static void fgblock(unsigned short *address, unsigned mask, unsigned bits)
     }
 }
 
-static void solidblock(unsigned short *address, unsigned mask, unsigned bits)
+static void solidblock(unsigned char *address, unsigned mask, unsigned bits)
                        ICODE_ATTR;
-static void solidblock(unsigned short *address, unsigned mask, unsigned bits)
+static void solidblock(unsigned char *address, unsigned mask, unsigned bits)
 {
     *address = (*address & ~mask) | (bits & mask & fg_pattern)
                                   | (~bits & mask & bg_pattern);
 }
 
-static void flipinvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void flipinvblock(unsigned char *address, unsigned mask, unsigned bits)
                          ICODE_ATTR;
-static void flipinvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void flipinvblock(unsigned char *address, unsigned mask, unsigned bits)
 {
     *address ^= ~bits & mask;
 }
 
-static void bginvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void bginvblock(unsigned char *address, unsigned mask, unsigned bits)
                        ICODE_ATTR;
-static void bginvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void bginvblock(unsigned char *address, unsigned mask, unsigned bits)
 {
     mask &= bits;
     *address = (*address & ~mask) | (bg_pattern & mask);
 }
 
-static void fginvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void fginvblock(unsigned char *address, unsigned mask, unsigned bits)
                        ICODE_ATTR;
-static void fginvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void fginvblock(unsigned char *address, unsigned mask, unsigned bits)
 {
     mask &= ~bits;
     *address = (*address & ~mask) | (fg_pattern & mask);
 }
 
-static void solidinvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void solidinvblock(unsigned char *address, unsigned mask, unsigned bits)
                           ICODE_ATTR;
-static void solidinvblock(unsigned short *address, unsigned mask, unsigned bits)
+static void solidinvblock(unsigned char *address, unsigned mask, unsigned bits)
 {
     *address = (*address & ~mask) | (~bits & mask & fg_pattern)
                                   | (bits & mask & bg_pattern);
@@ -536,9 +541,9 @@ void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
     int out_x;
     int out_y;
     unsigned char pixel;
-    int src_width=src_x+width+stride;
     unsigned short* addr;
 
+    (void)stride;
     /* nothing to draw? */
     if ((width <= 0) || (height <= 0) || (x >= LCD_WIDTH) || (y >= LCD_HEIGHT)
         || (x + width <= 0) || (y + height <= 0))
@@ -705,7 +710,7 @@ void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
 /* Draw a full native bitmap */
 void lcd_bitmap(const unsigned char *src, int x, int y, int width, int height)
 {
-    unsigned short* s=src;
+    unsigned short* s=(unsigned short*)src;
     unsigned short* d=(unsigned short*)&lcd_framebuffer[y][x*2];
     int k=LCD_WIDTH-width;
     int i,j;
@@ -782,16 +787,18 @@ void lcd_puts_style(int x, int y, const unsigned char *str, int style)
     xpos = xmargin + x*w / strlen(str);
     ypos = ymargin + y*h;
     lcd_putsxy(xpos, ypos, str);
-#if 0
     drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
+    (void)style;
+#if 0
+    /* TODO: Implement lcd_fillrect */
     lcd_fillrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h);
     if (style & STYLE_INVERT)
     {
         drawmode = DRMODE_COMPLEMENT;
         lcd_fillrect(xpos, ypos, LCD_WIDTH - xpos, h);
     }
-    drawmode = lastmode;
 #endif
+    drawmode = lastmode;
 }
 
 /* put a string at a given char position */
diff --git a/firmware/drivers/lcd-ipod.c b/firmware/drivers/lcd-ipod.c
index 96cdddaea7..ebb5d3c439 100644
--- a/firmware/drivers/lcd-ipod.c
+++ b/firmware/drivers/lcd-ipod.c
@@ -71,7 +71,7 @@ static int timer_get_current(void)
 }
 
 /* check if number of useconds has past */
-static int timer_check(int clock_start, int usecs)
+static int timer_check(unsigned long clock_start, unsigned long usecs)
 {
     unsigned long clock;
     clock = inl(IPOD_PP5020_RTC);
@@ -127,18 +127,21 @@ int lcd_default_contrast(void)
 
 void lcd_set_contrast(int val)
 {
-  #warning: Implement lcd_set_contrast()
+  /* TODO: Implement lcd_set_contrast() */
+  (void)val;
 }
 
 void lcd_set_invert_display(bool yesno)
 {
-  #warning: Implement lcd_set_invert_display()
+  /* TODO: Implement lcd_set_invert_display() */
+  (void)yesno;
 }
 
 /* turn the display upside down (call lcd_update() afterwards) */
 void lcd_set_flip(bool yesno)
 {
-#warning: Implement lcd_set_flip()
+  /* TODO: Implement lcd_set_flip() */
+  (void)yesno;
 }
 
 /* Rolls up the lcd display by the specified amount of lines.
@@ -150,8 +153,8 @@ void lcd_set_flip(bool yesno)
  *  The value must be 0 <= pixels < LCD_HEIGHT. */
 void lcd_roll(int lines)
 {
+    /* TODO: Implement lcd_roll() */
     lines &= LCD_HEIGHT-1;
-#warning: To do: Implement lcd_roll()
 }
 
 /* LCD init */
@@ -204,7 +207,13 @@ void lcd_init_device(void)
 void lcd_blit(const unsigned char* data, int x, int by, int width,
               int bheight, int stride)
 {
-    #warning Implement lcd_blit()
+    /* TODO: Implement lcd_blit() */
+    (void)data;
+    (void)x;
+    (void)by;
+    (void)width;
+    (void)bheight;
+    (void)stride;
 }
 
 /* Update a fraction of the display. */
diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c
index c7ef691f91..f96b600b6f 100644
--- a/firmware/drivers/power.c
+++ b/firmware/drivers/power.c
@@ -74,7 +74,7 @@ void power_init(void)
     spdif_power_enable(false);
 #endif
 #elif CONFIG_CPU == PP5020
-#warning Implement power_init()
+    /* TODO: Implement power_init() */
 #else
 #ifdef HAVE_POWEROFF_ON_PB5
     PBCR2 &= ~0x0c00;    /* GPIO for PB5 */
@@ -166,7 +166,7 @@ void ide_power_enable(bool on)
     else
         or_l(0x80000000, &GPIO_OUT);
 #elif CONFIG_CPU == PP5020
-#warning Implement ide_power_enable()
+    /* TODO: Implement ide_power_enable() */
 #elif defined(GMINI_ARCH)
     if(on)
         P1 |= 0x08;
@@ -218,7 +218,7 @@ bool ide_powered(void)
 #if CONFIG_CPU == MCF5249
     return (GPIO_OUT & 0x80000000)?false:true;
 #elif CONFIG_CPU == PP5020
-#warning Implement ide_powered()
+    /* TODO: Implement ide_powered() */
     return true;
 #elif defined(GMINI_ARCH)
     return (P1 & 0x08?true:false);
@@ -252,7 +252,7 @@ void power_off(void)
 #if CONFIG_CPU == MCF5249
     and_l(~0x00080000, &GPIO1_OUT);
 #elif CONFIG_CPU == PP5020
-#warning Implement power_off()
+    /* TODO: Implement power_off() */
 #elif defined(GMINI_ARCH)
     P1 &= ~1;
     P1CON &= ~1;
diff --git a/firmware/export/button.h b/firmware/export/button.h
index 61c722bfb2..b6b316637b 100644
--- a/firmware/export/button.h
+++ b/firmware/export/button.h
@@ -146,7 +146,7 @@ bool remote_button_hold(void);
 
 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_NANO_PAD)
 
-#warning Correct the IPOD definitions
+/* TODO: Correct the IPOD definitions */
 
 #define  BUTTON_ON            0x0001
 #define  BUTTON_OFF           0x0002
diff --git a/firmware/export/i2c-pp5020.h b/firmware/export/i2c-pp5020.h
index d26a7feab5..8487c678cf 100644
--- a/firmware/export/i2c-pp5020.h
+++ b/firmware/export/i2c-pp5020.h
@@ -26,13 +26,12 @@
 #ifndef _I2C_ARM_H
 #define _I2C_ARM_H
 
-#warning Implement: i2c-pp5020.h
+/* TODO: Implement: i2c-pp5020.h */
 
 void i2c_init(void);
 int i2c_write(int device, unsigned char *buf, int count);
 void i2c_close(void);
 
-
 #define MAX_LOOP    0x100     /* TODO: select a better value */
 
 /* PLLCR control */
diff --git a/firmware/export/system.h b/firmware/export/system.h
index 15c6edb00e..c0c4fb9bea 100644
--- a/firmware/export/system.h
+++ b/firmware/export/system.h
@@ -294,7 +294,7 @@ static inline void invalidate_icache(void)
 
 #elif CONFIG_CPU == PP5020
 
-#warning Implement set_irq_level and check CPU frequencies
+/* TODO: Implement set_irq_level and check CPU frequencies */
 
 #define CPUFREQ_DEFAULT CPU_FREQ
 #define CPUFREQ_NORMAL 37500000
diff --git a/firmware/kernel.c b/firmware/kernel.c
index 215d5de46b..239394a244 100644
--- a/firmware/kernel.c
+++ b/firmware/kernel.c
@@ -68,8 +68,7 @@ void sleep(int ticks)
 void yield(void)
 {
 #if CONFIG_CPU == PP5020
-    /* Threading not yet implemented */
-    #warning Enable yield()
+    /* TODO: Threading not yet implemented */
     return;
 #endif
     switch_thread();
@@ -325,7 +324,8 @@ void tick_start(unsigned int interval_in_ms)
 #elif CONFIG_CPU == PP5020
 
 void tick_start(unsigned int interval_in_ms) {
-#warning Implement tick_start
+  /* TODO:  Implement tick_start */
+  (void)interval_in_ms;
 }
 
 #endif
diff --git a/firmware/rolo.c b/firmware/rolo.c
index 43f5031146..cecfa19045 100644
--- a/firmware/rolo.c
+++ b/firmware/rolo.c
@@ -73,6 +73,9 @@ void rolo_restart(const unsigned char* source, unsigned char* dest,
         : : "a"(dest)
     );
 #endif
+#if CONFIG_CPU == PP5020
+    /* TODO: Implement for iPod */
+#endif
 }
 #endif
 
@@ -89,7 +92,7 @@ int rolo_load(const char* filename)
 {
     int fd;
     long length;
-#if CONFIG_CPU == MCF5249
+#if CONFIG_CPU == MCF5249 || CONFIG_CPU == PP5020
     int i;
     unsigned long checksum,file_checksum;
 #else
@@ -113,7 +116,7 @@ int rolo_load(const char* filename)
 
     length = filesize(fd) - FIRMWARE_OFFSET_FILE_DATA;
 
-#if CONFIG_CPU == MCF5249
+#if CONFIG_CPU == MCF5249 || CONFIG_CPU == PP5020
     /* Read and save checksum */
     lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
     if (read(fd, &file_checksum, 4) != 4) {
diff --git a/firmware/sound.c b/firmware/sound.c
index 9ed3283906..332cca02e8 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -399,6 +399,9 @@ void sound_set_volume(int value)
 #elif (CONFIG_CODEC == MAS3507D) || defined HAVE_UDA1380
     current_volume = VOLUME_MIN + (value * VOLUME_RANGE / 100);
     set_prescaled_volume();                   /* tenth of dB */
+#elif (CONFIG_CPU == PP5020)
+    /* TODO: Implement sound_set_volume() */
+    (void)value;
 #endif    
 }
 
@@ -412,6 +415,9 @@ void sound_set_balance(int value)
 #elif CONFIG_CODEC == MAS3507D || defined HAVE_UDA1380
     current_balance = value * VOLUME_RANGE / 100; /* tenth of dB */
     set_prescaled_volume();
+#elif (CONFIG_CPU == PP5020)
+    /* TODO: Implement sound_set_balance() */
+    (void)value;
 #endif       
 }
 
@@ -430,6 +436,9 @@ void sound_set_bass(int value)
     uda1380_set_bass(value >> 1);
     current_bass = value * 10;
     set_prescaled_volume();
+#elif (CONFIG_CPU == PP5020)
+    /* TODO: Implement sound_set_bass() */
+    (void)value;
 #endif               
 }
 
@@ -448,6 +457,9 @@ void sound_set_treble(int value)
     uda1380_set_treble(value >> 1);
     current_treble = value * 10;
     set_prescaled_volume();
+#elif (CONFIG_CPU == PP5020)
+    /* TODO: Implement sound_set_treble() */
+    (void)value;
 #endif    
 }
 
diff --git a/firmware/system.c b/firmware/system.c
index cc4a5f0c85..cf8d180940 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -1106,7 +1106,7 @@ int system_memory_guard(int newmode)
 }
 #elif CONFIG_CPU==PP5020
 
-#warning TODO: Implement system.c
+/* TODO: Implement system.c */
 
 void system_init(void) {
 
diff --git a/firmware/thread.c b/firmware/thread.c
index 83607ea964..face2d2445 100644
--- a/firmware/thread.c
+++ b/firmware/thread.c
@@ -42,7 +42,7 @@ struct regs
     void         *start; /* Thread start address, or NULL when started */
 };
 #elif CONFIG_CPU == PP5020
-#warning TODO: define struct regs
+/* TODO: define struct regs */
 struct regs
 {
     void *sp;    /* Stack pointer (a15) */
@@ -80,15 +80,16 @@ static inline void load_context(const void* addr) __attribute__ ((always_inline)
 
 #if CONFIG_CPU == PP5020
 
-#warning TODO: Implement store_context and load_context
+/* TODO: Implement store_context and load_context */
 
 static inline void store_context(void* addr)
 {
+  (void)addr;
 }
 
 static inline void load_context(const void* addr)
 {
-
+  (void)addr;
 }
 
 
diff --git a/firmware/timer.c b/firmware/timer.c
index e5b5b68b11..cdbd928d67 100644
--- a/firmware/timer.c
+++ b/firmware/timer.c
@@ -55,7 +55,13 @@ static bool timer_set(long cycles, bool start)
 {
     int phi = 0; /* bits for the prescaler */
     int prescale = 1;
-    
+
+#if CONFIG_CPU==PP5020
+    /* TODO: Implement for iPod */
+    (void)start;
+    (void)phi;
+#endif
+
 #ifdef CPU_COLDFIRE
     cycles >>= 1; /* the coldfire timer works on busclk == cpuclk/2 */
 #endif
@@ -156,6 +162,11 @@ bool timer_register(int reg_prio, void (*unregister_callback)(void),
     if (reg_prio <= timer_prio || cycles == 0)
         return false;
 
+#if CONFIG_CPU==PP5020
+    /* TODO: Implement for iPod */
+    (void)int_prio;
+#endif
+
 #if CONFIG_CPU == SH7034
     if (int_prio < 1 || int_prio > 15)
         return false;
diff --git a/firmware/usb.c b/firmware/usb.c
index f69df5a87d..fd92f852ed 100644
--- a/firmware/usb.c
+++ b/firmware/usb.c
@@ -146,9 +146,8 @@ static void usb_enable(bool on)
     }
     
 #elif defined(USB_IPODSTYLE)
-
-#warning Implement USB_IPODSTYLE
-
+    /* TODO: Implement USB_IPODSTYLE */
+    (void) on;
 #else
 #ifdef HAVE_LCD_BITMAP
     if(read_hw_mask() & USB_ACTIVE_HIGH)
@@ -364,7 +363,10 @@ bool usb_detect(void)
     /* TODO: add proper code code for H300 USB style */
     current_status = false;
 #endif
-    
+#ifdef USB_IPODSTYLE
+    /* TODO: Implement USB_IPODSTYLE */
+    current_status = false;
+#endif
     return current_status;
 }