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Diffstat (limited to 'firmware/usb.c')
-rw-r--r--firmware/usb.c78
1 files changed, 1 insertions, 77 deletions
diff --git a/firmware/usb.c b/firmware/usb.c
index 13adc3b391..217aaf8b84 100644
--- a/firmware/usb.c
+++ b/firmware/usb.c
@@ -32,18 +32,11 @@
32#include "disk.h" 32#include "disk.h"
33#include "panic.h" 33#include "panic.h"
34#include "lcd.h" 34#include "lcd.h"
35#include "adc.h"
36#include "usb.h" 35#include "usb.h"
37#include "button.h" 36#include "button.h"
38#include "sprintf.h" 37#include "sprintf.h"
39#include "string.h" 38#include "string.h"
40#include "hwcompat.h"
41#ifdef HAVE_MMC
42#include "ata_mmc.h"
43#endif
44#ifdef TARGET_TREE
45#include "usb-target.h" 39#include "usb-target.h"
46#endif
47#ifdef IRIVER_H300_SERIES 40#ifdef IRIVER_H300_SERIES
48#include "pcf50606.h" /* for pcf50606_usb_charging_... */ 41#include "pcf50606.h" /* for pcf50606_usb_charging_... */
49#endif 42#endif
@@ -56,8 +49,6 @@ bool do_screendump_instead_of_usb = false;
56void screen_dump(void); /* Nasty again. Defined in apps/ too */ 49void screen_dump(void); /* Nasty again. Defined in apps/ too */
57#endif 50#endif
58 51
59#define USB_REALLY_BRAVE
60
61#if !defined(SIMULATOR) && !defined(USB_NONE) 52#if !defined(SIMULATOR) && !defined(USB_NONE)
62 53
63/* Messages from usb_tick and thread states */ 54/* Messages from usb_tick and thread states */
@@ -93,10 +84,7 @@ void screen_dump(void); /* Nasty again. Defined in apps/ too */
93#endif 84#endif
94#endif /* HAVE_USB_POWER */ 85#endif /* HAVE_USB_POWER */
95 86
96/* The ADC tick reads one channel per tick, and we want to check 3 successive 87#define NUM_POLL_READINGS (HZ/5)
97 readings on the USB voltage channel. This doesn't apply to the Player, but
98 debouncing the USB detection port won't hurt us either. */
99#define NUM_POLL_READINGS (NUM_ADC_CHANNELS * 3)
100static int countdown; 88static int countdown;
101 89
102static int usb_state; 90static int usb_state;
@@ -115,46 +103,6 @@ static struct event_queue usb_queue;
115static bool last_usb_status; 103static bool last_usb_status;
116static bool usb_monitor_enabled; 104static bool usb_monitor_enabled;
117 105
118#ifndef TARGET_TREE
119void usb_enable(bool on)
120{
121#ifdef USB_ENABLE_ONDIOSTYLE
122 PACR2 &= ~0x04C0; /* use PA3, PA5 as GPIO */
123 if(on)
124 {
125#ifdef HAVE_MMC
126 mmc_enable_int_flash_clock(!mmc_detect());
127#endif
128 if (!(read_hw_mask() & MMC_CLOCK_POLARITY))
129 and_b(~0x20, &PBDRH); /* old circuit needs SCK1 = low while on USB */
130 or_b(0x20, &PADRL); /* enable USB */
131 and_b(~0x08, &PADRL); /* assert card detect */
132 }
133 else
134 {
135 if (!(read_hw_mask() & MMC_CLOCK_POLARITY))
136 or_b(0x20, &PBDRH); /* reset SCK1 = high for old circuit */
137 and_b(~0x20, &PADRL); /* disable USB */
138 or_b(0x08, &PADRL); /* deassert card detect */
139 }
140 or_b(0x28, &PAIORL); /* output for USB enable and card detect */
141#else
142#ifdef HAVE_LCD_BITMAP
143 if(read_hw_mask() & USB_ACTIVE_HIGH)
144 on = !on;
145#endif
146 if(on)
147 {
148 and_b(~0x04, &PADRH); /* enable USB */
149 }
150 else
151 {
152 or_b(0x04, &PADRH);
153 }
154 or_b(0x04, &PAIORH);
155#endif
156}
157#endif
158 106
159#ifndef BOOTLOADER 107#ifndef BOOTLOADER
160static void usb_slave_mode(bool on) 108static void usb_slave_mode(bool on)
@@ -246,13 +194,9 @@ static void usb_thread(void)
246 if(num_acks_to_expect == 0) 194 if(num_acks_to_expect == 0)
247 { 195 {
248 DEBUGF("All threads have acknowledged the connect.\n"); 196 DEBUGF("All threads have acknowledged the connect.\n");
249#ifdef USB_REALLY_BRAVE
250 usb_slave_mode(true); 197 usb_slave_mode(true);
251 usb_state = USB_INSERTED; 198 usb_state = USB_INSERTED;
252 cpu_idle_mode(true); 199 cpu_idle_mode(true);
253#else
254 system_reboot();
255#endif
256 } 200 }
257 else 201 else
258 { 202 {
@@ -330,23 +274,6 @@ static void usb_thread(void)
330} 274}
331#endif 275#endif
332 276
333#ifndef TARGET_TREE
334bool usb_detect(void)
335{
336 bool current_status;
337
338#ifdef USB_RECORDERSTYLE
339 current_status = (adc_read(ADC_USB_POWER) > 500)?true:false;
340#endif
341#ifdef USB_FMRECORDERSTYLE
342 current_status = (adc_read(ADC_USB_POWER) <= 512)?true:false;
343#endif
344#ifdef USB_PLAYERSTYLE
345 current_status = (PADR & 0x8000)?false:true;
346#endif
347 return current_status;
348}
349#endif
350 277
351#ifndef BOOTLOADER 278#ifndef BOOTLOADER
352static void usb_tick(void) 279static void usb_tick(void)
@@ -402,10 +329,7 @@ void usb_init(void)
402 usb_monitor_enabled = false; 329 usb_monitor_enabled = false;
403 countdown = -1; 330 countdown = -1;
404 331
405#ifdef TARGET_TREE
406 usb_init_device(); 332 usb_init_device();
407#endif
408
409 usb_enable(false); 333 usb_enable(false);
410 334
411 /* We assume that the USB cable is extracted */ 335 /* We assume that the USB cable is extracted */