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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "util.h"
#include "usart1.h"
#include "usb.h"
#include "gamepads.h"
#include "bootloader.h"
#include "gcn64_protocol.h"
#include "n64.h"
#include "gamecube.h"
#include "usbpad.h"
#include "eeprom.h"
#include "hiddata.h"
#include "usbstrings.h"
#include "intervaltimer.h"
/* Those .c files are included rather than linked for we
* want the sizeof() operator to work on the arrays */
#include "reportdesc.c"
#include "dataHidReport.c"
struct cfg0 {
struct usb_configuration_descriptor configdesc;
struct usb_interface_descriptor interface;
struct usb_hid_descriptor hid;
struct usb_endpoint_descriptor ep1_in;
struct usb_interface_descriptor interface_admin;
struct usb_hid_descriptor hid_data;
struct usb_endpoint_descriptor ep2_in;
};
static const struct cfg0 cfg0 PROGMEM = {
.configdesc = {
.bLength = sizeof(struct usb_configuration_descriptor),
.bDescriptorType = CONFIGURATION_DESCRIPTOR,
.wTotalLength = sizeof(cfg0), // includes all descriptors returned together
.bNumInterfaces = 2,
.bConfigurationValue = 1,
.bmAttributes = CFG_DESC_ATTR_RESERVED, // set Self-powred and remote-wakeup here if needed.
.bMaxPower = 25, // for 50mA
},
// Main interface, HID
.interface = {
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = INTERFACE_DESCRIPTOR,
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = USB_DEVICE_CLASS_HID,
.bInterfaceSubClass = HID_SUBCLASS_NONE,
.bInterfaceProtocol = HID_PROTOCOL_NONE,
},
.hid = {
.bLength = sizeof(struct usb_hid_descriptor),
.bDescriptorType = HID_DESCRIPTOR,
.bcdHid = 0x0101,
.bCountryCode = HID_COUNTRY_NOT_SUPPORTED,
.bNumDescriptors = 1, // Only a report descriptor
.bClassDescriptorType = REPORT_DESCRIPTOR,
.wClassDescriptorLength = sizeof(gcn64_usbHidReportDescriptor),
},
.ep1_in = {
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = ENDPOINT_DESCRIPTOR,
.bEndpointAddress = USB_RQT_DEVICE_TO_HOST | 1, // 0x81
.bmAttributes = TRANSFER_TYPE_INT,
.wMaxPacketsize = 64,
.bInterval = LS_FS_INTERVAL_MS(1),
},
// Second HID interface for config and update
.interface_admin = {
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = INTERFACE_DESCRIPTOR,
.bInterfaceNumber = 1,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = USB_DEVICE_CLASS_HID,
.bInterfaceSubClass = HID_SUBCLASS_NONE,
.bInterfaceProtocol = HID_PROTOCOL_NONE,
},
.hid_data = {
.bLength = sizeof(struct usb_hid_descriptor),
.bDescriptorType = HID_DESCRIPTOR,
.bcdHid = 0x0101,
.bCountryCode = HID_COUNTRY_NOT_SUPPORTED,
.bNumDescriptors = 1, // Only a report descriptor
.bClassDescriptorType = REPORT_DESCRIPTOR,
.wClassDescriptorLength = sizeof(dataHidReport),
},
.ep2_in = {
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = ENDPOINT_DESCRIPTOR,
.bEndpointAddress = USB_RQT_DEVICE_TO_HOST | 2, // 0x82
.bmAttributes = TRANSFER_TYPE_INT,
.wMaxPacketsize = 64,
.bInterval = LS_FS_INTERVAL_MS(1),
},
};
const struct usb_device_descriptor device_descriptor PROGMEM = {
.bLength = sizeof(struct usb_device_descriptor),
.bDescriptorType = DEVICE_DESCRIPTOR,
.bcdUSB = 0x0101,
.bDeviceClass = 0, // set at interface
.bDeviceSubClass = 0, // set at interface
.bDeviceProtocol = 0,
.bMaxPacketSize = 64,
.idVendor = 0x289B,
.idProduct = 0x0017,
.bcdDevice = 0x0300, // 1.0.0
.bNumConfigurations = 1,
.iManufacturer = 1,
.iProduct = 2,
.iSerialNumber = 3,
};
/** **/
static struct usb_parameters usb_params = {
.flags = USB_PARAM_FLAG_CONFDESC_PROGMEM |
USB_PARAM_FLAG_DEVDESC_PROGMEM |
USB_PARAM_FLAG_REPORTDESC_PROGMEM,
.devdesc = (PGM_VOID_P)&device_descriptor,
.configdesc = (PGM_VOID_P)&cfg0,
.configdesc_ttllen = sizeof(cfg0),
.num_strings = NUM_USB_STRINGS,
.strings = g_usb_strings,
.n_hid_interfaces = 2,
.hid_params = {
[0] = {
.reportdesc = gcn64_usbHidReportDescriptor,
.reportdesc_len = sizeof(gcn64_usbHidReportDescriptor),
.getReport = usbpad_hid_get_report,
.setReport = usbpad_hid_set_report,
},
[1] = {
.reportdesc = dataHidReport,
.reportdesc_len = sizeof(dataHidReport),
.getReport = hiddata_get_report,
.setReport = hiddata_set_report,
},
},
};
void hwinit(void)
{
/* PORTB
*
* 7: NC Output low
* 6: NC Output low
* 5: NC Output low
* 4: NC Output low
* 3: MISO Output low
* 2: MOSI Output low
* 1: SCK Output low
* 0: NC Output low
*/
PORTB = 0x00;
DDRB = 0xFF;
/* PORTC
*
* 7: NC Output low
* 6: NC Output low
* 5: NC Output low
* 4: NC Output low
* 3: (no such pin)
* 2: NC Output low
* 1: RESET (N/A: Reset input per fuses)
* 0: XTAL2 (N/A: Crystal oscillator)
*/
PORTB = 0x00;
DDRB = 0xff;
/* PORTD
*
* 7: HWB Input (external pull-up)
* 6: NC Output low
* 5: NC Output low
* 4: NC Output low
* 3: IO3_MCU Input
* 2: IO2_MCU Input
* 1: IO1_MCU Input
* 0: IO0_MCU Input
*/
PORTD = 0x00;
DDRD = 0x70;
// System clock. External crystal is 16 Mhz and we want
// to run at max. speed.
CLKPR = 0x80;
CLKPR = 0x0; // Division factor of 1
PRR0 = 0;
PRR1 = 0;
}
#define NUM_PAD_TYPES 2
Gamepad *detectPad(void)
{
char type;
type = gcn64_detectController();
switch (type)
{
case CONTROLLER_IS_ABSENT:
case CONTROLLER_IS_UNKNOWN:
return NULL;
case CONTROLLER_IS_N64:
return n64GetGamepad();
break;
case CONTROLLER_IS_GC:
return gamecubeGetGamepad();
}
return NULL;
}
/* Called after eeprom content is loaded. */
void eeprom_app_ready(void)
{
static wchar_t serial_from_eeprom[SERIAL_NUM_LEN+1];
int i;
for (i=0; i<SERIAL_NUM_LEN; i++) {
serial_from_eeprom[i] = g_eeprom_data.cfg.serial[i];
}
serial_from_eeprom[i] = 0;
g_usb_strings[USB_STRING_SERIAL_IDX] = serial_from_eeprom;
}
char g_polling_suspended = 0;
void pollDelay(void)
{
int i;
for (i=0; i<g_eeprom_data.cfg.poll_interval[0]; i++) {
_delay_ms(1);
}
}
#define STATE_WAIT_POLLTIME 0
#define STATE_POLL_PAD 1
#define STATE_WAIT_INTERRUPT_READY 2
#define STATE_TRANSMIT 3
int main(void)
{
Gamepad *pad = NULL;
gamepad_data pad_data;
unsigned char gamepad_vibrate = 0;
unsigned char state = STATE_WAIT_POLLTIME;
hwinit();
usart1_init();
eeprom_init();
intervaltimer_init();
/* Init the buffer with idle data */
usbpad_update(NULL);
sei();
usb_init(&usb_params);
while (1)
{
static char last_v = 0;
usb_doTasks();
hiddata_doTask();
switch(state)
{
case STATE_WAIT_POLLTIME:
if (!g_polling_suspended) {
intervaltimer_set(g_eeprom_data.cfg.poll_interval[0]);
if (intervaltimer_get()) {
state = STATE_POLL_PAD;
}
}
break;
case STATE_POLL_PAD:
/* Try to auto-detect controller if none*/
if (!pad) {
pad = detectPad();
}
if (pad) {
pad->update();
if (pad->changed()) {
pad->getReport(&pad_data);
usbpad_update(&pad_data);
state = STATE_WAIT_INTERRUPT_READY;
}
} else {
/* Just make sure the gamepad state holds valid data
* to appear inactive (no buttons and axes in neutral) */
usbpad_update(NULL);
}
break;
case STATE_WAIT_INTERRUPT_READY:
if (usb_interruptReady()) {
state = STATE_TRANSMIT;
}
break;
case STATE_TRANSMIT:
usb_interruptSend(usbpad_getReportBuffer(), usbpad_getReportSize());
state = STATE_WAIT_POLLTIME;
break;
}
gamepad_vibrate = usbpad_mustVibrate();
if (last_v != gamepad_vibrate) {
if (pad && pad->setVibration) {
pad->setVibration(gamepad_vibrate);
}
last_v = gamepad_vibrate;
}
}
return 0;
}