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63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
#ifndef __CLASS_HUB
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#define __CLASS_HUB
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#include "ch376.h"
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#include "protocol.h"
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#include <stdlib.h>
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/*
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wHubCharacteristics:
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D1...D0: Logical Power Switching Mode
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00: Ganged power switching (all ports power at once)
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01: Individual port power switching
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1X: Reserved. Used only on 1.0 compliant hubs that implement no power switching
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D2: Identifies a Compound Device
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0: Hub is not part of a compound device.
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1: Hub is part of a compound device.
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D4...D3: Logical Power Switching Mode
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00: Global Over-current Protection. The hub reports over-current as a summation
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of all ports’ current draw, without a breakdown of individual port
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over-current status.
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01: Individual Port Over-current Protection. The hub reports over-current on a
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per-port basis. Each port has an over-current status.
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1X: No Over-current Protection. This option is allowed only for bus-powered
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*/
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typedef struct {
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uint8_t bDescLength;
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uint8_t bDescriptorType; /* HUB Descriptor Type 0x29 */
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uint8_t bNbrPorts; /* Number of ports */
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uint16_t wHubCharacteristics; /* Bitmap Hub Characteristics (see above) */
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uint8_t bPwrOn2PwrGood; /* Time (*2 ms) from port power on to power good */
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uint8_t bHubContrCurrent; /* Maximum current used by hub controller (mA).*/
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uint8_t DeviceRemovable[1]; /* bits indicating deviceRemovable and portPwrCtrlMask */
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} hub_descriptor;
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typedef struct {
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uint16_t wPortStatus;
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uint16_t wPortChange;
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} hub_port_status;
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#define PORT_STAT_CONNECTION 0x0001
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#define PORT_STAT_ENABLE 0x0002
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#define PORT_STAT_SUSPEND 0x0004
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#define PORT_STAT_OVERCURRENT 0x0008
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#define PORT_STAT_RESET 0x0010
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#define PORT_STAT_POWER 0x0100
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#define PORT_STAT_LOW_SPEED 0x0200
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#define PORT_STAT_HIGH_SPEED 0x0400
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#define PORT_STAT_TEST 0x0800
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#define PORT_STAT_INDICATOR 0x1000
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#define PORT_STAT_C_CONNECTION 0x0001
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#define PORT_STAT_C_ENABLE 0x0002
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#define PORT_STAT_C_SUSPEND 0x0004
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#define PORT_STAT_C_OVERCURRENT 0x0008
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#define PORT_STAT_C_RESET 0x0010
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usb_error hub_get_descriptor(const device_config_hub *const hub_config, hub_descriptor *const hub_description) __sdcccall(1);
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#endif
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