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{ccid,sniffer}.c: Add comments on USB callbacks

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This commit is contained in:
Harald Welte
2017-11-28 21:23:12 +01:00
parent 5c081911a9
commit ed75c62acf
2 changed files with 8 additions and 0 deletions
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4
firmware/libcommon/source/ccid.c
View File

@@ -126,6 +126,7 @@ static void ConfigureCardDetection(void)
*-----------------------------------------------------------------------------*/ *-----------------------------------------------------------------------------*/
extern CCIDDriverConfigurationDescriptors configurationDescriptorCCID; extern CCIDDriverConfigurationDescriptors configurationDescriptorCCID;
/* Called during USB enumeration after device is enumerated by host */
void CCID_configure(void) void CCID_configure(void)
{ {
CCIDDriver_Initialize(); CCIDDriver_Initialize();
@@ -133,6 +134,7 @@ void CCID_configure(void)
PIO_ConfigureIt(&pinSmartCard, ISR_PioSmartCard); PIO_ConfigureIt(&pinSmartCard, ISR_PioSmartCard);
} }
/* called when *different* configuration is set by host */
void CCID_exit(void) void CCID_exit(void)
{ {
PIO_DisableIt(&pinSmartCard); PIO_DisableIt(&pinSmartCard);
@@ -140,6 +142,7 @@ void CCID_exit(void)
USART_SetReceiverEnabled(usart_info.base, 0); USART_SetReceiverEnabled(usart_info.base, 0);
} }
/* called when *CCID* configuration is set by host */
void CCID_init(void) void CCID_init(void)
{ {
uint8_t pAtr[MAX_ATR_SIZE]; uint8_t pAtr[MAX_ATR_SIZE];
@@ -179,6 +182,7 @@ void CCID_init(void)
} }
} }
/* main (idle/busy) loop of this USB configuration */
void CCID_run(void) void CCID_run(void)
{ {

4
firmware/libcommon/source/sniffer.c
View File

@@ -71,11 +71,13 @@ static struct Usart_info usart_info = {
* Initialization routine * Initialization routine
*-----------------------------------------------------------------------------*/ *-----------------------------------------------------------------------------*/
/* Called during USB enumeration after device is enumerated by host */
void Sniffer_configure(void) void Sniffer_configure(void)
{ {
TRACE_INFO("Sniffer config\n"); TRACE_INFO("Sniffer config\n");
} }
/* called when *different* configuration is set by host */
void Sniffer_exit(void) void Sniffer_exit(void)
{ {
TRACE_INFO("Sniffer exit\n"); TRACE_INFO("Sniffer exit\n");
@@ -84,6 +86,7 @@ void Sniffer_exit(void)
USART_SetReceiverEnabled(USART_PHONE, 0); USART_SetReceiverEnabled(USART_PHONE, 0);
} }
/* called when *CCID* configuration is set by host */
void Sniffer_init(void) void Sniffer_init(void)
{ {
TRACE_INFO("Sniffer Init\n"); TRACE_INFO("Sniffer Init\n");
@@ -100,6 +103,7 @@ void Sniffer_init(void)
NVIC_EnableIRQ(USART1_IRQn); NVIC_EnableIRQ(USART1_IRQn);
} }
/* main (idle/busy) loop of this USB configuration */
void Sniffer_run(void) void Sniffer_run(void)
{ {
check_data_from_phone(); check_data_from_phone();