REVISION
Definition in file usb.h.
#include "../SYSTEM/sys_assert.h"
#include "../GENERIC/generic.h"
#include "../fat/fat.h"
#include "usb_api.h"
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Data Structures | |
| struct | st_LU_STATUS |
| Logic unit status. More... | |
| struct | st_LU_GLOBALS |
| Logic unit global controls. More... | |
Defines | |
| #define | _USBTRAFFIC_MONITOR |
| Define to enable USB traffic monitor. | |
Enumerations | |
| enum | USB_CONNECT_STATUS { USB_CS_NO_CABLE, USB_CS_CABLE_PLUGIN, USB_CS_CONNECTED, USB_CS_20CABLE_PLUGIN, USB_CS_20CONNECTED } |
| USB cable status. More... | |
Functions | |
| void | USB_cableDetect (void) |
| Function checks to generate USB connection status message. | |
| void | USB_cableStatusInit (void) |
| Function initializes the USB cable status. | |
| BOOL | USB_isCablePlugged (void) |
| Function that detects the presence of USB cable. | |
| void | USB_connect (void) |
| This function shall reconnect the USB if cable is already plugged in. | |
| void | USB_createTask (void) |
| Function creates the USB task. | |
| void | USB_deleteTask (void) |
| Function deletes the USB task. | |
| void | USB_disconnect (void) |
| This function shall disconnect the USB no matter cable is plugged in or not. | |
| void | USB_main (void) |
| Function initializes the USB interface to start. | |
| void | USB_ctl_handler (void) |
| USB Endpoint0 event handler routine. | |
| void | USB_traffic_handler (void) |
| Function returns current USB average traffic in bytes per second. | |
| BOOL | USB_is20active (void) |
| Function tells if USB20 is actively connected. | |
| BOOL | USB_isCableRemoved (void) |
| Function tells if USB cable is removed. | |
| BOOL | USB__isCablePlugged (void) |
| Function that detects the presence of USB 1.1 cable. | |
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USB cable status.
Definition at line 42 of file usb.h. 00043 {
00044 USB_CS_NO_CABLE,
00045 USB_CS_CABLE_PLUGIN,
00046 USB_CS_CONNECTED,
00047 USB_CS_20CABLE_PLUGIN,
00048 USB_CS_20CONNECTED
00049 } USB_CONNECT_STATUS;
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Function that detects the presence of USB 1.1 cable.
Definition at line 172 of file USB_cableDetect.c. Referenced by USB_cableDetect(), and USB_isCablePlugged(). 00173 {
00174 unsigned int PCR2;
00175
00176 // Load SPSA2 with sub-address 0x0E of PCR2 register
00177 SPSA2 = PCR;
00178
00179 // Read PCR2 register
00180 PCR2 = SPACC2;
00181 asm(" nop");
00182 asm(" nop");
00183 asm(" nop");
00184 asm(" nop");
00185 asm(" nop");
00186
00187 // Test USBDET signal which is DR_STAT bit (bit4) of PCR register
00188 if ( (PCR2 & 0x0010) == 0 )
00189 {
00190 return TRUE;
00191 }
00192 else
00193 {
00194 return FALSE;
00195 }
00196 }
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Function tells if USB20 is actively connected.
Definition at line 52 of file USB_cableDetect.c. Referenced by UI_PSF_autosync(). 00053 {
00054 return ((usbConnectStatus == USB_CS_20CONNECTED)? TRUE:FALSE);
00055 }
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Function that detects the presence of USB cable.
Definition at line 151 of file USB_cableDetect.c. References HDD_bpIsr(), and USB__isCablePlugged(). Referenced by SYS_kickoff(), and UI_parent(). 00152 {
00153 if( TRUE == USB__isCablePlugged() ) return TRUE;
00154
00155 #ifdef USB20_SUPPORT
00156 // Run 2.0 cable detection code.
00157 HDD_bpIsr();
00158 if( SYS_isUsb20Plugged() ) return TRUE;
00159 #endif
00160
00161 return FALSE;
00162 }
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Function tells if USB cable is removed. NOTE: FALSE return of this function does not mean USB is active.
Definition at line 65 of file USB_cableDetect.c. Referenced by UI_PSF_autosync(). 00066 {
00067 return ((usbConnectStatus == USB_CS_NO_CABLE)? TRUE:FALSE);
00068 }
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1.3.9.1