mirror of
https://github.com/felis/USB_Host_Shield_2.0.git
synced 2024-03-22 11:31:26 +01:00
87 lines
3.7 KiB
C++
87 lines
3.7 KiB
C++
#if !defined(__USBHUB_H__)
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#define __USBHUB_H__
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#include <inttypes.h>
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#include <avr/pgmspace.h>
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#include "avrpins.h"
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#include "max3421e.h"
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#include "usbhost.h"
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#include "usb_ch9.h"
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#include "Usb.h"
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#include <WProgram.h>
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// Hub Port Configuring Substates
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#define USB_STATE_HUB_PORT_CONFIGURING 0xb0
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#define USB_STATE_HUB_PORT_POWERED_OFF 0xb1
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#define USB_STATE_HUB_PORT_WAIT_FOR_POWER_GOOD 0xb2
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#define USB_STATE_HUB_PORT_DISCONNECTED 0xb3
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#define USB_STATE_HUB_PORT_DISABLED 0xb4
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#define USB_STATE_HUB_PORT_RESETTING 0xb5
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#define USB_STATE_HUB_PORT_ENABLED 0xb6
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// Additional Error Codes
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#define HUB_ERROR_PORT_HAS_BEEN_RESET 0xb1
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// The bit mask to check for all necessary state bits
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#define bmHUB_PORT_STATUS_ALL_MAIN ((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION | bmHUB_PORT_STATUS_C_PORT_ENABLE | bmHUB_PORT_STATUS_C_PORT_SUSPEND | bmHUB_PORT_STATUS_C_PORT_RESET) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_SUSPEND)
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// Bit mask to check for DISABLED state in HubEvent::bmStatus field
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#define bmHUB_PORT_STATE_CHECK_DISABLED (0x0000 | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_SUSPEND)
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// Hub Port States
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#define bmHUB_PORT_STATE_DISABLED (0x0000 | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_CONNECTION)
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// Hub Port Events
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#define bmHUB_PORT_EVENT_CONNECT (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_CONNECTION)
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#define bmHUB_PORT_EVENT_DISCONNECT (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION) << 16) | bmHUB_PORT_STATUS_PORT_POWER)
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#define bmHUB_PORT_EVENT_RESET_COMPLETE (((0UL | bmHUB_PORT_STATUS_C_PORT_RESET) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION)
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#define bmHUB_PORT_EVENT_LS_CONNECT (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_LOW_SPEED)
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#define bmHUB_PORT_EVENT_LS_RESET_COMPLETE (((0UL | bmHUB_PORT_STATUS_C_PORT_RESET) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_LOW_SPEED)
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#define bmHUB_PORT_EVENT_LS_PORT_ENABLED (((0UL | bmHUB_PORT_STATUS_C_PORT_CONNECTION | bmHUB_PORT_STATUS_C_PORT_ENABLE) << 16) | bmHUB_PORT_STATUS_PORT_POWER | bmHUB_PORT_STATUS_PORT_ENABLE | bmHUB_PORT_STATUS_PORT_CONNECTION | bmHUB_PORT_STATUS_PORT_LOW_SPEED)
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struct HubEvent
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{
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union
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{
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struct
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{
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uint16_t bmStatus; // port status bits
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uint16_t bmChange; // port status change bits
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};
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uint32_t bmEvent;
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uint8_t evtBuff[4];
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};
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};
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class USBHub : USBDeviceConfig
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{
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static bool bResetInitiated; // True when reset is triggered
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USB *pUsb; // USB class instance pointer
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EpInfo epInfo[2]; // interrupt endpoint info structure
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uint8_t bAddress; // address
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uint8_t bNbrPorts; // number of ports
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uint8_t bInitState; // initialization state variable
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uint32_t qNextPollTime; // next poll time
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bool bPollEnable; // poll enable flag
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uint8_t GetHubStatus(uint8_t addr);
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uint8_t HubPortStatusChange(uint8_t addr, uint8_t port, HubEvent &evt);
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public:
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USBHub(USB *p);
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virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
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virtual uint8_t Release();
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virtual uint8_t Poll();
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virtual uint8_t GetAddress() { return bAddress; };
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};
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void PrintHubPortStatus(USB *usbptr, uint8_t addr, uint8_t port, bool print_changes = false);
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#endif // __USBHUB_H__
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