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Ondio: disk activity indication in USB mode, too

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6020 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2005-02-19 14:45:34 +00:00
parent 2e429ff762
commit 7e1d36f35b
4 changed files with 24 additions and 3 deletions
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3
apps/screens.c
View file

@ -111,6 +111,9 @@ void usb_screen(void)
usb_display_info(); usb_display_info();
while(usb_wait_for_disconnect_w_tmo(&button_queue, HZ)) { while(usb_wait_for_disconnect_w_tmo(&button_queue, HZ)) {
if(usb_inserted()) { if(usb_inserted()) {
#ifdef HAVE_MMC /* USB-MMC bridge can report activity */
led(mmc_usb_active(HZ));
#endif
status_draw(false); status_draw(false);
} }
} }

18
firmware/drivers/ata_mmc.c
View file

@ -121,6 +121,8 @@ static int current_card = 0;
#endif #endif
static bool last_mmc_status = false; static bool last_mmc_status = false;
static int countdown; /* for mmc switch debouncing */ static int countdown; /* for mmc switch debouncing */
static bool usb_activity; /* monitoring the USB bridge */
static long last_activity;
/* private function declarations */ /* private function declarations */
@ -842,12 +844,26 @@ bool mmc_detect(void)
return adc_read(ADC_MMC_SWITCH) < 0x200 ? true : false; return adc_read(ADC_MMC_SWITCH) < 0x200 ? true : false;
} }
bool mmc_usb_active(int delayticks)
{
/* reading "inactive" is delayed by user-supplied monoflop value */
return (usb_activity ||
TIME_BEFORE(current_tick, last_activity+delayticks));
}
static void mmc_tick(void) static void mmc_tick(void)
{ {
bool current_status; bool current_status;
current_status = mmc_detect(); /* USB bridge activity is 0 on idle, ~527 on active */
current_status = adc_read(ADC_USB_ACTIVE) > 0x100;
if (!current_status && usb_activity)
{
last_activity = current_tick;
}
usb_activity = current_status;
current_status = mmc_detect();
/* Only report when the status has changed */ /* Only report when the status has changed */
if (current_status != last_mmc_status) if (current_status != last_mmc_status)
{ {

1
firmware/export/adc.h
View file

@ -40,6 +40,7 @@
#define ADC_BUTTON_ONOFF 3 /* the on/off button, high value if pressed */ #define ADC_BUTTON_ONOFF 3 /* the on/off button, high value if pressed */
#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different #define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
voltages for different keys */ voltages for different keys */
#define ADC_USB_ACTIVE 5 /* USB bridge activity */
#define ADC_UNREG_POWER 7 /* Battery voltage */ #define ADC_UNREG_POWER 7 /* Battery voltage */
#else #else

1
firmware/export/ata_mmc.h
View file

@ -41,5 +41,6 @@ bool mmc_detect(void);
unsigned long mmc_extract_bits(const unsigned long *p, unsigned int start, unsigned long mmc_extract_bits(const unsigned long *p, unsigned int start,
unsigned int size); unsigned int size);
tCardInfo *mmc_card_info(int card_no); tCardInfo *mmc_card_info(int card_no);
bool mmc_usb_active(int delayticks);
#endif #endif