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cardem: Add support for USB host based set/clear of card_insert

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This way the application on the USB host can control whether the
emulator should emulate that the card be inserted or not.  We change the
reset-default back to 'not inserted' (GPIO output 0) and wait for the
application to explicitly request this by issuing
CEMU_USB_MSGT_DT_CARDINSERT.
This commit is contained in:
Harald Welte
2016-03-04 03:03:49 +01:00
parent 7abdb51f8f
commit 0eaa992682
3 changed files with 26 additions and 8 deletions
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7
firmware/src_simtrace/cardemu_prot.h
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@@ -29,6 +29,7 @@ enum cardemu_usb_msg_type {
CEMU_USB_MSGT_DT_SET_ATR, /* Set the ATR stored in simulator */
CEMU_USB_MSGT_DT_GET_STATS, /* request DO_STATS */
CEMU_USB_MSGT_DT_GET_STATUS, /* request DO_STATUS */
CEMU_USB_MSGT_DT_CARDINSERT, /* insert/remove card */
/* Bulk in pipe */
CEMU_USB_MSGT_DO_RX_DATA, /* TPDU data */
@@ -54,6 +55,12 @@ struct cardemu_usb_msg_hdr {
/* incdicates a PB is present and we should continue with RX */
#define CEMU_DATA_F_PB_AND_RX 0x00000008
/* CEMU_USB_MSGT_DT_CARDINSERT */
struct cardemu_usb_msg_cardinsert {
struct cardemu_usb_msg_hdr hdr;
uint8_t card_insert;
} __attribute__ ((packed));
/* CEMU_USB_MSGT_DT_SET_ATR */
struct cardemu_usb_msg_set_atr {
struct cardemu_usb_msg_hdr hdr;