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https://github.com/raphnet/gc_n64_usb-v3
synced 2024-08-13 17:03:49 -04:00
Start bootloader by USB message
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parent
06bea508f1
commit
a84b70c369
2
Makefile
2
Makefile
@ -9,7 +9,7 @@ CFLAGS=-Wall -mmcu=$(CPU) -DF_CPU=16000000L -Os -DUART1_STDOUT
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LDFLAGS=-mmcu=$(CPU) -Wl,-Map=$(PROGNAME).map
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HEXFILE=$(PROGNAME).hex
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OBJS=main.o n64.o gcn64_protocol.o usart1.o usb.o
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OBJS=main.o n64.o gcn64_protocol.o usart1.o usb.o bootloader.o
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all: $(HEXFILE)
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17
bootloader.c
Normal file
17
bootloader.c
Normal file
@ -0,0 +1,17 @@
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#include <avr/io.h>
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#include "usb.h"
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void enterBootLoader(void)
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{
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usb_shutdown();
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// AT90USB1287/1286 : 0xF000 (word address)
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// ATmega32u2 : ???
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asm volatile(
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"cli \n"
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"ldi r30, 0x00 \n" // ZL
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"ldi r31, 0xF0 \n" // ZH
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"ijmp");
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}
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2
bootloader.h
Normal file
2
bootloader.h
Normal file
@ -0,0 +1,2 @@
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void enterBootLoader(void);
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15
dataHidReport.c
Normal file
15
dataHidReport.c
Normal file
@ -0,0 +1,15 @@
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#include <avr/pgmspace.h>
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#include <ctype.h>
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const uint8_t dataHidReport[] PROGMEM = {
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0x06, 0x00, 0xff, // USAGE_PAGE (Generic Desktop)
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0x09, 0x01, // USAGE (Vendor Usage 1)
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0xa1, 0x01, // COLLECTION (Application)
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0x15, 0x00, // LOGICAL_MINIMUM (0)
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0x26, 0xff, 0x00, // LOGICAL_MAXIMUM (255)
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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x05, // REPORT_COUNT (5)
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0x09, 0x01, // USAGE (Vendor defined)
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0xB1, 0x00, // FEATURE (Data,Ary,Abs)
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0xc0 // END_COLLECTION
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};
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102
main.c
102
main.c
@ -7,24 +7,22 @@
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#include <util/delay.h>
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#include "util.h"
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#include "usart1.h"
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#include "usb.h"
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#include "gamepad.h"
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#include "gcn64_protocol.h"
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#include "n64.h"
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#include "bootloader.h"
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
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#endif
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uint16_t hid_get_report_main(struct usb_request *rq, const uint8_t **dat);
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uint8_t hid_set_report_main(const struct usb_request *rq, const uint8_t *dat, uint16_t len);
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#ifndef LPSTR
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#define LPSTR(s) ((const PROGMEM wchar_t*)(s))
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#endif
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uint16_t hid_get_report(struct usb_request *rq, const uint8_t **dat);
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uint8_t hid_set_report(const struct usb_request *rq, const uint8_t *dat, uint16_t len);
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uint16_t hid_get_report_data(struct usb_request *rq, const uint8_t **dat);
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uint8_t hid_set_report_data(const struct usb_request *rq, const uint8_t *dat, uint16_t len);
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#include "reportdesc.c"
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#include "dataHidReport.c"
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const wchar_t *const g_usb_strings[] = {
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[0] = L"raphnet technologies", // 1 : Vendor
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@ -37,6 +35,10 @@ struct cfg0 {
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struct usb_interface_descriptor interface;
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struct usb_hid_descriptor hid;
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struct usb_endpoint_descriptor ep1_in;
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struct usb_interface_descriptor interface_admin;
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struct usb_hid_descriptor hid_data;
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struct usb_endpoint_descriptor ep2_in;
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};
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static const struct cfg0 cfg0 PROGMEM = {
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@ -44,11 +46,13 @@ static const struct cfg0 cfg0 PROGMEM = {
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.bLength = sizeof(struct usb_configuration_descriptor),
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.bDescriptorType = CONFIGURATION_DESCRIPTOR,
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.wTotalLength = sizeof(cfg0), // includes all descriptors returned together
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.bNumInterfaces = 1,
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.bNumInterfaces = 2,
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.bConfigurationValue = 1,
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.bmAttributes = CFG_DESC_ATTR_RESERVED, // set Self-powred and remote-wakeup here if needed.
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.bMaxPower = 25, // for 50mA
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},
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// Main interface, HID
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.interface = {
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = INTERFACE_DESCRIPTOR,
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@ -76,6 +80,36 @@ static const struct cfg0 cfg0 PROGMEM = {
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.wMaxPacketsize = 64,
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.bInterval = LS_FS_INTERVAL_MS(1),
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},
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// Second HID interface for config and update
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.interface_admin = {
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = INTERFACE_DESCRIPTOR,
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.bInterfaceNumber = 1,
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.bAlternateSetting = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_DEVICE_CLASS_HID,
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.bInterfaceSubClass = HID_SUBCLASS_NONE,
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.bInterfaceProtocol = HID_PROTOCOL_NONE,
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},
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.hid_data = {
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.bLength = sizeof(struct usb_hid_descriptor),
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.bDescriptorType = HID_DESCRIPTOR,
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.bcdHid = 0x0101,
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.bCountryCode = HID_COUNTRY_NOT_SUPPORTED,
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.bNumDescriptors = 1, // Only a report descriptor
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.bClassDescriptorType = REPORT_DESCRIPTOR,
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.wClassDescriptorLength = sizeof(dataHidReport),
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},
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.ep2_in = {
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = ENDPOINT_DESCRIPTOR,
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.bEndpointAddress = USB_RQT_DEVICE_TO_HOST | 2, // 0x82
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.bmAttributes = TRANSFER_TYPE_INT,
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.wMaxPacketsize = 64,
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.bInterval = LS_FS_INTERVAL_MS(1),
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},
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};
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const struct usb_device_descriptor device_descriptor PROGMEM = {
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@ -95,6 +129,8 @@ const struct usb_device_descriptor device_descriptor PROGMEM = {
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.iSerialNumber = 3,
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};
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/** **/
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static struct usb_parameters usb_params = {
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.flags = USB_PARAM_FLAG_CONFDESC_PROGMEM |
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USB_PARAM_FLAG_DEVDESC_PROGMEM |
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@ -104,10 +140,22 @@ static struct usb_parameters usb_params = {
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.configdesc_ttllen = sizeof(cfg0),
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.num_strings = ARRAY_SIZE(g_usb_strings),
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.strings = g_usb_strings,
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.reportdesc = gcn64_usbHidReportDescriptor,
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.reportdesc_len = sizeof(gcn64_usbHidReportDescriptor),
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.getReport = hid_get_report,
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.setReport = hid_set_report,
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.n_hid_interfaces = 2,
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.hid_params = {
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[0] = {
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.reportdesc = gcn64_usbHidReportDescriptor,
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.reportdesc_len = sizeof(gcn64_usbHidReportDescriptor),
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.getReport = hid_get_report_main,
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.setReport = hid_set_report_main,
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},
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[1] = {
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.reportdesc = dataHidReport,
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.reportdesc_len = sizeof(dataHidReport),
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.getReport = hid_get_report_data,
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.setReport = hid_set_report_data,
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},
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},
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};
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void hwinit(void)
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@ -221,13 +269,14 @@ static void decideVibration(void)
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}
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}
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uint16_t hid_get_report(struct usb_request *rq, const uint8_t **dat)
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uint16_t hid_get_report_main(struct usb_request *rq, const uint8_t **dat)
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{
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uint8_t report_id = (rq->wValue & 0xff);
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// USB HID 1.11 section 7.2.1 Get_Report
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// wValue high byte : report type
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// wValue low byte : report id
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// wIndex Interface
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switch (rq->wValue >> 8)
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{
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case HID_REPORT_TYPE_INPUT:
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@ -290,7 +339,7 @@ uint16_t hid_get_report(struct usb_request *rq, const uint8_t **dat)
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return 0;
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}
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uint8_t hid_set_report(const struct usb_request *rq, const uint8_t *data, uint16_t len)
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uint8_t hid_set_report_main(const struct usb_request *rq, const uint8_t *data, uint16_t len)
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{
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if (len < 1) {
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printf_P(PSTR("shrt\n"));
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@ -394,6 +443,27 @@ uint8_t hid_set_report(const struct usb_request *rq, const uint8_t *data, uint16
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return 0;
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}
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uint16_t hid_get_report_data(struct usb_request *rq, const uint8_t **dat)
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{
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printf("Get data\n");
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return 0;
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}
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uint8_t hid_set_report_data(const struct usb_request *rq, const uint8_t *dat, uint16_t len)
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{
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int i;
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printf("Set data %d\n", len);
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for (i=0; i<len; i++) {
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printf("0x%02x ", dat[i]);
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}
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printf("\n");
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enterBootLoader();
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return 0;
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}
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int main(void)
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{
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Gamepad *pad = NULL;
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4
usb.c
4
usb.c
@ -627,7 +627,7 @@ void usb_shutdown(void)
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UDIEN = 0;
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USBCON &= (1<<USBE);
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USBCON &= ~(1<<USBE);
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USBCON |= (1<<FRZCLK); // initial value
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#ifdef UHWCON
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UHWCON &= ~(1<<UVREGE); // Disable USB pad regulator
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@ -710,7 +710,7 @@ void usb_init(const struct usb_parameters *params)
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g_params = params;
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// Set some initial values
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USBCON &= (1<<USBE);
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USBCON &= ~(1<<USBE);
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USBCON |= (1<<FRZCLK); // initial value
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#ifdef UHWCON
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UHWCON |= (1<<UVREGE); // Enable USB pad regulator
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