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USB NKRO working for ARM!

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- Setting NKRO mode as default (up to bios to disable)
This commit is contained in:
Jacob Alexander 2014-09-28 17:24:52 -07:00
parent 4255a99fcc
commit ab7351b482
2 changed files with 102 additions and 13 deletions
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95
Output/pjrcUSB/arm/usb_keyboard.c
View File

@ -76,6 +76,7 @@ void usb_keyboard_send()
uint32_t wait_count = 0;
usb_packet_t *tx_packet;
// Wait till ready
while ( 1 )
{
if ( !usb_configuration )
@ -83,12 +84,26 @@ void usb_keyboard_send()
erro_print("USB not configured...");
return;
}
if ( USBKeys_Protocol == 0 ) // Boot Mode
{
if ( usb_tx_packet_count( NKRO_KEYBOARD_ENDPOINT ) < TX_PACKET_LIMIT )
{
tx_packet = usb_malloc();
if ( tx_packet )
break;
}
}
else if ( USBKeys_Protocol == 1 ) // NKRO Mode
{
if ( usb_tx_packet_count( KEYBOARD_ENDPOINT ) < TX_PACKET_LIMIT )
{
tx_packet = usb_malloc();
if ( tx_packet )
break;
}
}
if ( ++wait_count > TX_TIMEOUT || transmit_previous_timeout )
{
transmit_previous_timeout = 1;
@ -98,15 +113,89 @@ void usb_keyboard_send()
yield();
}
// Pointer to USB tx packet buffer
uint8_t *tx_buf = tx_packet->buf;
switch ( USBKeys_Protocol )
{
// Send boot keyboard interrupt packet(s)
case 0:
// Boot Mode
*(tx_packet->buf) = USBKeys_Modifiers;
*(tx_packet->buf + 1) = 0;
memcpy( tx_packet->buf + 2, USBKeys_Keys, USB_BOOT_MAX_KEYS );
*tx_buf++ = USBKeys_Modifiers;
*tx_buf++ = 0;
memcpy( tx_buf, USBKeys_Keys, USB_BOOT_MAX_KEYS );
tx_packet->len = 8;
// Send USB Packet
usb_tx( KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed = USBKeyChangeState_None;
break;
// Send NKRO keyboard interrupts packet(s)
case 1:
// Check modifiers
if ( USBKeys_Changed & USBKeyChangeState_Modifiers )
{
*tx_buf++ = 0x01; // ID
*tx_buf = USBKeys_Modifiers;
tx_packet->len = 2;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_Modifiers; // Mark sent
}
// Check main key section
else if ( USBKeys_Changed & USBKeyChangeState_MainKeys )
{
*tx_buf++ = 0x03; // ID
// 4-164 (first 20 bytes)
memcpy( tx_buf, USBKeys_Keys, 20 );
tx_packet->len = 21;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_MainKeys; // Mark sent
}
// Check secondary key section
else if ( USBKeys_Changed & USBKeyChangeState_SecondaryKeys )
{
*tx_buf++ = 0x04; // ID
// 176-221 (last 6 bytes)
memcpy( tx_buf, USBKeys_Keys + 20, 6 );
tx_packet->len = 7;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_SecondaryKeys; // Mark sent
}
// Check system control keys
else if ( USBKeys_Changed & USBKeyChangeState_System )
{
*tx_buf++ = 0x05; // ID
*tx_buf = USBKeys_SysCtrl;
tx_packet->len = 2;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_System; // Mark sent
}
// Check consumer control keys
else if ( USBKeys_Changed & USBKeyChangeState_Consumer )
{
*tx_buf++ = 0x06; // ID
*tx_buf++ = (uint8_t)(USBKeys_ConsCtrl & 0x00FF);
*tx_buf = (uint8_t)(USBKeys_ConsCtrl >> 8);
tx_packet->len = 3;
// Send USB Packet
usb_tx( NKRO_KEYBOARD_ENDPOINT, tx_packet );
USBKeys_Changed &= ~USBKeyChangeState_Consumer; // Mark sent
}
break;
}
return;
}

2
Output/pjrcUSB/output_com.c
View File

@ -106,7 +106,7 @@ volatile uint8_t USBKeys_LEDs = 0;
// Protocol setting from the host.
// 0 - Boot Mode
// 1 - NKRO Mode (Default, unless set by a BIOS or boot interface)
volatile uint8_t USBKeys_Protocol = 0;
volatile uint8_t USBKeys_Protocol = 1;
// Indicate if USB should send update
// OS only needs update if there has been a change in state