mirror of
https://github.com/gdsports/USBHost_t36
synced 2024-08-13 16:53:54 -04:00
Begin work in hub port state machine & debounce wait
This commit is contained in:
PaulStoffregen
parent
d0ee653192
commit
81f30ecd5f
22
USBHost.h
22
USBHost.h
@ -307,6 +307,18 @@ class USBHub : public USBDriver {
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public:
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USBHub();
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enum { MAXPORTS = 7 };
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enum {
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PORT_OFF = 0,
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PORT_DISCONNECT = 1,
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PORT_DEBOUNCE1 = 2,
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PORT_DEBOUNCE2 = 3,
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PORT_DEBOUNCE3 = 4,
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PORT_DEBOUNCE4 = 5,
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PORT_DEBOUNCE5 = 6,
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PORT_RESET = 7,
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PORT_RECOVERY = 8,
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PORT_ACTIVE = 9
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};
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protected:
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virtual bool claim(Device_t *device, int type, const uint8_t *descriptors, uint32_t len);
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virtual void control(const Transfer_t *transfer);
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@ -315,15 +327,19 @@ protected:
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void send_poweron(uint32_t port);
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void send_getstatus(uint32_t port);
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void send_clearstatus(uint32_t port);
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void send_reset(uint32_t port);
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void send_setreset(uint32_t port);
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static void callback(const Transfer_t *transfer);
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void status_change(const Transfer_t *transfer);
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void new_port_status(uint32_t port, uint32_t status);
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void start_debounce_timer(uint32_t port);
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void stop_debounce_timer(uint32_t port);
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USBDriverTimer debouncetimer;
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USBDriverTimer mytimer;
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USBDriverTimer othertimer;
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USBDriverTimer mytimers[MAXPORTS];
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uint32_t debounce_in_use;
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setup_t setup[MAXPORTS+1];
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uint32_t statusbits[MAXPORTS+1];
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uint8_t hub_desc[16];
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uint8_t endpoint;
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uint8_t interval;
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@ -332,8 +348,6 @@ protected:
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uint8_t powertime;
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Pipe_t *changepipe;
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uint32_t changebits;
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uint32_t statusbits[MAXPORTS+1];
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uint16_t portstatus[MAXPORTS];
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uint8_t portstate[MAXPORTS];
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};
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103
hub.cpp
103
hub.cpp
@ -24,7 +24,7 @@
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#include <Arduino.h>
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#include "USBHost.h"
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USBHub::USBHub() : /* mytimer(this), */ othertimer(this)
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USBHub::USBHub() : debouncetimer(this), /* mytimer(this), */ othertimer(this)
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{
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// TODO: free Device_t, Pipe_t & Transfer_t we will need
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driver_ready_for_device(this);
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@ -44,6 +44,7 @@ bool USBHub::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t
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//mytimer.start(99129);
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othertimer.pointer = (void *)"Hello, I'm othertimer";
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//othertimer.start(12345);
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debouncetimer.pointer = (void *)"Debounce Timer";
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for (int i=0; i < 7; i++) {
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mytimers[i].init(this);
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//mytimers[i].start((i + 1) * 10000);
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@ -83,7 +84,6 @@ bool USBHub::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t
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numports = 0; // unknown until hub descriptor is read
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changepipe = NULL;
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changebits = 0;
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memset(portstatus, 0, sizeof(portstatus));
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memset(portstate, 0, sizeof(portstate));
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mk_setup(setup[0], 0xA0, 6, 0x2900, 0, sizeof(hub_desc));
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@ -92,18 +92,6 @@ bool USBHub::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t
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return true;
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}
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void USBHub::timer_event(USBDriverTimer *timer)
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{
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uint32_t us = micros() - timer->started_micros;
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print("timer event (");
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print(us);
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print(" us): ");
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print((char *)timer->pointer);
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print(", this = ");
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print((uint32_t)this, HEX);
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println(", timer = ", (uint32_t)timer, HEX);
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}
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void USBHub::send_poweron(uint32_t port)
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{
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@ -127,9 +115,10 @@ void USBHub::send_clearstatus(uint32_t port)
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queue_Control_Transfer(device, &setup[port], NULL, this);
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}
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void USBHub::send_reset(uint32_t port)
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void USBHub::send_setreset(uint32_t port)
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{
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if (port == 0 || port > numports) return;
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println("send_setreset");
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mk_setup(setup[port], 0x23, 3, 4, port, 0); // set feature PORT_RESET
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queue_Control_Transfer(device, &setup[port], NULL, this);
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}
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@ -177,7 +166,10 @@ void USBHub::control(const Transfer_t *transfer)
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if (status != statusbits[port]) println("ERROR: status not same");
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new_port_status(port, status);
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}
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//if (changebits & (1 << port)) {
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//changebits &= ~(1 << port);
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send_clearstatus(port);
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//}
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break;
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case 0x00100120: // clear hub status
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println("Hub Status Cleared");
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@ -211,14 +203,11 @@ void USBHub::status_change(const Transfer_t *transfer)
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void USBHub::new_port_status(uint32_t port, uint32_t status)
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{
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if (port == 0 || port > numports) return;
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uint32_t priorstatus = portstatus[port - 1];
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portstatus[port] = status;
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print(" Status: port=");
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print(port);
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print(", status=");
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println(status, HEX);
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#if 1
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print(" status=");
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print(status, HEX);
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println(" port=", port);
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println(" state=", portstate[port-1]);
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// status bits, USB 2.0: 11.24.2.7.1 page 427
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if (status & 0x0001) println(" Device is present: ");
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if (status & 0x0002) {
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@ -240,7 +229,41 @@ void USBHub::new_port_status(uint32_t port, uint32_t status)
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if (status & 0x0100) println(" Has Power");
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if (status & 0x0800) println(" Test Mode");
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if (status & 0x1000) println(" Software Controls LEDs");
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#endif
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uint8_t &state = portstate[port-1];
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switch (state) {
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case PORT_OFF:
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case PORT_DISCONNECT:
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if (status & 0x0001) { // connected
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state = PORT_DEBOUNCE1;
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start_debounce_timer(port);
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}
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break;
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case PORT_DEBOUNCE1:
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case PORT_DEBOUNCE2:
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case PORT_DEBOUNCE3:
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case PORT_DEBOUNCE4:
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case PORT_DEBOUNCE5:
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if (status & 0x0001) {
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if (++state > PORT_DEBOUNCE5) {
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// TODO: check for exclusive access to
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// enumeration process... stay in debounce
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// and add to wait list if enumeration busy
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stop_debounce_timer(port);
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println("sending reset");
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send_setreset(port);
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}
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} else {
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state = PORT_DISCONNECT;
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}
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break;
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case PORT_RESET:
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case PORT_RECOVERY:
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case PORT_ACTIVE:
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break;
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}
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/*
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if ((status & 0x0001) && !(priorstatus & 0x0001)) {
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println(" connect");
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// 100 ms debounce (USB 2.0: TATTDB, page 150 & 188)
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@ -253,10 +276,44 @@ void USBHub::new_port_status(uint32_t port, uint32_t status)
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}
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*/
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}
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void USBHub::timer_event(USBDriverTimer *timer)
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{
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uint32_t us = micros() - timer->started_micros;
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print("timer event (");
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print(us);
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print(" us): ");
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print((char *)timer->pointer);
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print(", this = ");
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print((uint32_t)this, HEX);
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println(", timer = ", (uint32_t)timer, HEX);
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if (timer == &debouncetimer) {
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uint32_t in_use = debounce_in_use;
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if (in_use != 0) {
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for (uint32_t i=1; i < numports; i++) {
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if (in_use & (1 << i)) send_getstatus(i);
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}
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debouncetimer.start(20000);
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}
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}
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}
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void USBHub::start_debounce_timer(uint32_t port)
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{
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if (debounce_in_use == 0) debouncetimer.start(20000);
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debounce_in_use |= (1 << port);
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}
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void USBHub::stop_debounce_timer(uint32_t port)
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{
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debounce_in_use &= ~(1 << port);
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}
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void USBHub::disconnect()
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{
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// TODO: free resources
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