printHex( memcmp( (uint8_t*)&VBAT, sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic) ) == 0 );
print( NL );
- // XXX REMOVEME
- /*
- GPIOB_PDDR |= (1<<16);
- PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOB_PSOR |= (1<<16);
-
- // RST
- GPIOC_PDDR |= (1<<8);
- PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PSOR |= (1<<8);
-
- // CS1B
- GPIOC_PDDR |= (1<<4);
- PORTC_PCR4 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<4);
- */
- // Backlight
- /*
- GPIOC_PDDR |= (1<<1);
- PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<1);
- GPIOC_PDDR |= (1<<2);
- PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<2);
- GPIOC_PDDR |= (1<<3);
- PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<3);
- */
-
#ifdef FLASH_DEBUG
for ( uint8_t sector = 0; sector < 3; sector++ )
sector_print( &_app_rom, sector, 16 );
/* Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2013 PJRC.COM, LLC.
- * Modifications by Jacob Alexander (2013-2014)
+ * Modifications by Jacob Alexander (2013-2015)
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
print("CONFIGURE - ");
#endif
usb_configuration = setup.wValue;
+ Output_Available = usb_configuration;
reg = &USB0_ENDPT1;
cfg = usb_endpoint_config_table;
// clear all BDT entries, free any allocated memory...
SOFTWARE_RESET();
}
+// Kiibohd mk20dx256vlh7
+#elif defined(_mk20dx256vlh7_)
+ // Copies variable into the VBAT register, must be identical to the variable in the bootloader to jump to the bootloader flash mode
+ for ( int pos = 0; pos < sizeof(sys_reset_to_loader_magic); pos++ )
+ (&VBAT)[ pos ] = sys_reset_to_loader_magic[ pos ];
+ SOFTWARE_RESET();
+
// Teensy 3.0 and 3.1
#else
asm volatile("bkpt");
print("USB INIT"NL);
#endif
- // If no USB cable is attached, do not initialize usb
- // XXX Test -HaaTa
- //if ( USB0_OTGISTAT & USB_OTGSTAT_ID )
- // return 0;
-
// Clear out endpoints table
for ( int i = 0; i <= NUM_ENDPOINTS * 4; i++ )
{
// Which modifier keys are currently pressed
// 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
// 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
- uint8_t USBKeys_Modifiers = 0;
- uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
+uint8_t USBKeys_Modifiers = 0;
+uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
// Currently pressed keys, max is defined by USB_MAX_KEY_SEND
- uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
- uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
+uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
+uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
// System Control and Consumer Control 1KRO containers
- uint8_t USBKeys_SysCtrl;
- uint16_t USBKeys_ConsCtrl;
+uint8_t USBKeys_SysCtrl;
+uint16_t USBKeys_ConsCtrl;
// The number of keys sent to the usb in the array
- uint8_t USBKeys_Sent = 0;
- uint8_t USBKeys_SentCLI = 0;
+uint8_t USBKeys_Sent = 0;
+uint8_t USBKeys_SentCLI = 0;
// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
volatile uint8_t USBKeys_LEDs = 0;
// the idle configuration, how often we send the report to the
// host (ms * 4) even when it hasn't changed
- uint8_t USBKeys_Idle_Config = 125;
+uint8_t USBKeys_Idle_Config = 125;
// count until idle timeout
- uint8_t USBKeys_Idle_Count = 0;
+uint8_t USBKeys_Idle_Count = 0;
// Indicates whether the Output module is fully functional
// 0 - Not fully functional, 1 - Fully functional
// 0 is often used to show that a USB cable is not plugged in (but has power)
- uint8_t Output_Available = 0;
+volatile uint8_t Output_Available = 0;
// Debug control variable for Output modules
// 0 - Debug disabled (default)
// 1 - Debug enabled
- uint8_t Output_DebugMode = 0;
+uint8_t Output_DebugMode = 0;
// USB Module Setup
inline void Output_setup()
{
- // Initialize the USB, and then wait for the host to set configuration.
- // This will hang forever if USB does not initialize
- // If no USB cable is attached, does not try and initialize USB
- if ( usb_init() )
- {
- while ( !usb_configured() );
- }
+ // Initialize the USB
+ // If a USB connection does not exist, just ignore it
+ // All usb related functions will non-fatally fail if called
+ // If the USB initialization is delayed, then functionality will just be delayed
+ usb_init();
// Register USB Output CLI dictionary
CLI_registerDictionary( outputCLIDict, outputCLIDictName );
extern USBKeyChangeState USBKeys_Changed;
-extern uint8_t Output_Available; // 0 - Output module not fully functional, 1 - Output module working
+extern volatile uint8_t Output_Available; // 0 - Output module not fully functional, 1 - Output module working
extern uint8_t Output_DebugMode; // 0 - Debug disabled, 1 - Debug enabled
// ----- Function Declarations -----
void cliFunc_kbdProtocol( char* args );
+void cliFunc_outputDebug( char* args );
void cliFunc_readLEDs ( char* args );
void cliFunc_readUART ( char* args );
void cliFunc_sendKeys ( char* args );
// Output Module command dictionary
CLIDict_Entry( kbdProtocol, "Keyboard Protocol Mode: 0 - Boot, 1 - OS/NKRO Mode" );
+CLIDict_Entry( outputDebug, "Toggle Output Debug mode." );
CLIDict_Entry( readLEDs, "Read LED byte:" NL "\t\t1 NumLck, 2 CapsLck, 4 ScrlLck, 16 Kana, etc." );
CLIDict_Entry( readUART, "Read UART buffer until empty." );
CLIDict_Entry( sendKeys, "Send the prepared list of USB codes and modifier byte." );
CLIDict_Def( outputCLIDict, "USB Module Commands" ) = {
CLIDict_Item( kbdProtocol ),
+ CLIDict_Item( outputDebug ),
CLIDict_Item( readLEDs ),
CLIDict_Item( readUART ),
CLIDict_Item( sendKeys ),
// Which modifier keys are currently pressed
// 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
// 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
- uint8_t USBKeys_Modifiers = 0;
- uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
+uint8_t USBKeys_Modifiers = 0;
+uint8_t USBKeys_ModifiersCLI = 0; // Separate CLI send buffer
// Currently pressed keys, max is defined by USB_MAX_KEY_SEND
- uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
- uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
+uint8_t USBKeys_Keys [USB_NKRO_BITFIELD_SIZE_KEYS];
+uint8_t USBKeys_KeysCLI[USB_NKRO_BITFIELD_SIZE_KEYS]; // Separate CLI send buffer
// System Control and Consumer Control 1KRO containers
- uint8_t USBKeys_SysCtrl;
- uint16_t USBKeys_ConsCtrl;
+uint8_t USBKeys_SysCtrl;
+uint16_t USBKeys_ConsCtrl;
// The number of keys sent to the usb in the array
- uint8_t USBKeys_Sent = 0;
- uint8_t USBKeys_SentCLI = 0;
+uint8_t USBKeys_Sent = 0;
+uint8_t USBKeys_SentCLI = 0;
// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
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
// the idle configuration, how often we send the report to the
// host (ms * 4) even when it hasn't changed
- uint8_t USBKeys_Idle_Config = 125;
+uint8_t USBKeys_Idle_Config = 125;
// count until idle timeout
- uint8_t USBKeys_Idle_Count = 0;
+uint8_t USBKeys_Idle_Count = 0;
// Indicates whether the Output module is fully functional
// 0 - Not fully functional, 1 - Fully functional
// 0 is often used to show that a USB cable is not plugged in (but has power)
- uint8_t Output_Available = 0;
+volatile uint8_t Output_Available = 0;
// Debug control variable for Output modules
// 0 - Debug disabled (default)
// 1 - Debug enabled
- uint8_t Output_DebugMode = 0;
+uint8_t Output_DebugMode = 0;
// Only send keypresses if press or hold state
if ( stateType == 0x00 && state == 0x03 ) // Release state
+ {
+ USBKeys_ConsCtrl = 0;
return;
+ }
// Set consumer control code
USBKeys_ConsCtrl = *(uint16_t*)(&args[0]);
// Only send keypresses if press or hold state
if ( stateType == 0x00 && state == 0x03 ) // Release state
+ {
+ USBKeys_SysCtrl = 0;
return;
+ }
// Set system control code
USBKeys_SysCtrl = args[0];
// Depending on which mode the keyboard is in, USBKeys_Keys array is used differently
// Boot mode - Maximum of 6 byte codes
// NKRO mode - Each bit of the 26 byte corresponds to a key
- // Bits 0 - 160 (first 20 bytes) correspond to USB Codes 4 - 164
- // Bits 161 - 205 (last 6 bytes) correspond to USB Codes 176 - 221
- // Bits 206 - 208 (last byte) correspond to the 3 padded bits in USB (unused)
+ // Bits 0 - 45 (bytes 0 - 5) correspond to USB Codes 4 - 49 (Main)
+ // Bits 48 - 161 (bytes 6 - 20) correspond to USB Codes 51 - 164 (Secondary)
+ // Bits 168 - 213 (bytes 21 - 26) correspond to USB Codes 176 - 221 (Tertiary)
+ // Bits 214 - 216 unused
uint8_t bytePosition = 0;
uint8_t byteShift = 0;
switch ( USBKeys_Protocol )
USBKeys_Changed |= USBKeyChangeState_Modifiers;
break;
}
- // First 20 bytes
- else if ( key >= 4 && key <= 164 )
+ // First 6 bytes
+ else if ( key >= 4 && key <= 49 )
{
// Lookup (otherwise division or multiple checks are needed to do alignment)
- uint8_t keyPos = key - 4; // Starting position in array
+ // Starting at 0th position, each byte has 8 bits, starting at 4th bit
+ uint8_t keyPos = key + (0 * 8 - 4); // Starting position in array, Ignoring 4 keys
switch ( keyPos )
{
byteLookup( 0 );
byteLookup( 3 );
byteLookup( 4 );
byteLookup( 5 );
+ }
+
+ USBKeys_Changed |= USBKeyChangeState_MainKeys;
+ }
+ // Next 14 bytes
+ else if ( key >= 51 && key <= 155 )
+ {
+ // Lookup (otherwise division or multiple checks are needed to do alignment)
+ // Starting at 6th byte position, each byte has 8 bits, starting at 51st bit
+ uint8_t keyPos = key + (6 * 8 - 51); // Starting position in array
+ switch ( keyPos )
+ {
byteLookup( 6 );
byteLookup( 7 );
byteLookup( 8 );
byteLookup( 19 );
}
- USBKeys_Changed |= USBKeyChangeState_MainKeys;
+ USBKeys_Changed |= USBKeyChangeState_SecondaryKeys;
+ }
+ // Next byte
+ else if ( key >= 157 && key <= 164 )
+ {
+ // Lookup (otherwise division or multiple checks are needed to do alignment)
+ uint8_t keyPos = key + (20 * 8 - 157); // Starting position in array, Ignoring 6 keys
+ switch ( keyPos )
+ {
+ byteLookup( 20 );
+ }
+
+ USBKeys_Changed |= USBKeyChangeState_TertiaryKeys;
}
// Last 6 bytes
else if ( key >= 176 && key <= 221 )
{
// Lookup (otherwise division or multiple checks are needed to do alignment)
- uint8_t keyPos = key - 176; // Starting position in array
+ uint8_t keyPos = key + (21 * 8 - 176); // Starting position in array
switch ( keyPos )
{
- byteLookup( 20 );
byteLookup( 21 );
byteLookup( 22 );
byteLookup( 23 );
byteLookup( 24 );
byteLookup( 25 );
+ byteLookup( 26 );
}
- USBKeys_Changed |= USBKeyChangeState_SecondaryKeys;
+ USBKeys_Changed |= USBKeyChangeState_QuartiaryKeys;
+ }
+ // Received 0x00
+ // This is a special USB Code that internally indicates a "break"
+ // It is used to send "nothing" in order to break up sequences of USB Codes
+ else if ( key == 0x00 )
+ {
+ USBKeys_Changed |= USBKeyChangeState_MainKeys;
+
+ // Also flush out buffers just in case
+ Output_flushBuffers();
+ break;
}
// Invalid key
else
{
- warn_msg("USB Code not within 4-164 (0x4-0xA4) or 176-221 (0xB0-0xDD) NKRO Mode: ");
+ warn_msg("USB Code not within 4-49 (0x4-0x31), 51-155 (0x33-0x9B), 157-164 (0x9D-0xA4), 176-221 (0xB0-0xDD) or 224-231 (0xE0-0xE7) NKRO Mode: ");
printHex( key );
print( NL );
break;
{
// Setup UART
uart_serial_setup();
- print("\033[2J"); // Clear screen
- // Initialize the USB, and then wait for the host to set configuration.
- // This will hang forever if USB does not initialize
+ // Initialize the USB
+ // If a USB connection does not exist, just ignore it
+ // All usb related functions will non-fatally fail if called
+ // If the USB initialization is delayed, then functionality will just be delayed
usb_init();
- while ( !usb_configured() );
-
// Register USB Output CLI dictionary
CLI_registerDictionary( outputCLIDict, outputCLIDictName );
- // Zero out USBKeys_Keys array
- for ( uint8_t c = 0; c < USB_NKRO_BITFIELD_SIZE_KEYS; c++ )
- USBKeys_Keys[ c ] = 0;
+ // Flush key buffers
+ Output_flushBuffers();
}
while ( USBKeys_Changed )
usb_keyboard_send();
- // Clear modifiers and keys
- USBKeys_Modifiers = 0;
- USBKeys_Sent = 0;
+ // Clear keys sent
+ USBKeys_Sent = 0;
// Signal Scan Module we are finished
switch ( USBKeys_Protocol )
{
case 0: // Boot Mode
+ // Clear modifiers only in boot mode
+ USBKeys_Modifiers = 0;
Scan_finishedWithOutput( USBKeys_Sent <= USB_BOOT_MAX_KEYS ? USBKeys_Sent : USB_BOOT_MAX_KEYS );
break;
case 1: // NKRO Mode
// Sets the device into firmware reload mode
-inline void Output_firmwareReload()
+void Output_firmwareReload()
{
- uart_device_reload();
+ usb_device_reload();
}
}
+void cliFunc_outputDebug( char* args )
+{
+ // Parse number from argument
+ // NOTE: Only first argument is used
+ char* arg1Ptr;
+ char* arg2Ptr;
+ CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
+
+ // Default to 1 if no argument is given
+ Output_DebugMode = 1;
+
+ if ( arg1Ptr[0] != '\0' )
+ {
+ Output_DebugMode = (uint16_t)numToInt( arg1Ptr );
+ }
+}
+
+
void cliFunc_readLEDs( char* args )
{
print( NL );
// Initialize SPI
SPI_setup();
-
// Setup Register Control Signal (A0)
// Start in display register mode (1)
GPIOC_PDDR |= (1<<7);
// Run LCD intialization sequence
LCD_initialize();
+
+ // Setup Backlight
+ // TODO Expose default settings
+ // TODO Setup PWM
+ GPIOC_PDDR |= (1<<1);
+ PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<1);
+ GPIOC_PDDR |= (1<<2);
+ PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<2);
+ GPIOC_PDDR |= (1<<3);
+ PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<3);
}
# Thus baud setting = 26
# NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet
# Baud fine setting = 0x02
-UARTConnectBaud = 26;
-UARTConnectBaudFine = 0x02;
+UARTConnectBaud = 1; # 4.5 Mbps @ 72 MHz
+UARTConnectBaudFine = 0x0;
+
+# Cable Check Command Length
+# This defines the length of the cable command
+# 0xD2 11010010 is used for each check byte
+#
+# For example:
+# Length: 4
+# Args: 0xD2 0xD2 0xD2 0xD2
+UARTConnectCableCheckLength => UARTConnectCableCheckLength_define;
+UARTConnectCableCheckLength = 2;
} \
for ( uint8_t c = 0; c < count; c++ ) \
{ \
- printHex( buffer[ c ] ); \
- print( " +" #uartNum NL ); \
+ if ( Connect_debug ) \
+ { \
+ printHex( buffer[ c ] ); \
+ print( " +" #uartNum NL ); \
+ } \
uart##uartNum##_buffer[ uart##uartNum##_buffer_tail++ ] = buffer[ c ]; \
uart##uartNum##_buffer_items++; \
if ( uart##uartNum##_buffer_tail >= uart_buffer_size ) \
while ( available-- > 0 ) \
{ \
uint8_t byteRead = UART##uartNum##_D; \
- printHex( byteRead ); \
- print( "(" ); \
- printInt8( available ); \
- print( ") <-" ); \
+ if ( Connect_debug ) \
+ { \
+ printHex( byteRead ); \
+ print( "(" ); \
+ printInt8( available ); \
+ print( ") <-" ); \
+ } \
switch ( uart##uartNum##_rx_status ) \
{ \
case UARTStatus_Wait: \
- print(" SYN "); \
+ if ( Connect_debug ) \
+ { \
+ print(" SYN "); \
+ } \
uart##uartNum##_rx_status = byteRead == 0x16 ? UARTStatus_SYN : UARTStatus_Wait; \
break; \
case UARTStatus_SYN: \
- print(" SOH "); \
+ if ( Connect_debug ) \
+ { \
+ print(" SOH "); \
+ } \
uart##uartNum##_rx_status = byteRead == 0x01 ? UARTStatus_SOH : UARTStatus_Wait; \
break; \
case UARTStatus_SOH: \
{ \
- print(" CMD "); \
+ if ( Connect_debug ) \
+ { \
+ print(" CMD "); \
+ } \
uint8_t byte = byteRead; \
if ( byte <= Animation ) \
{ \
uart##uartNum##_rx_status = UARTStatus_Wait; \
break; \
default: \
- print("###"); \
+ if ( Connect_debug ) \
+ { \
+ print("###"); \
+ } \
break; \
} \
break; \
} \
case UARTStatus_Command: \
{ \
- print(" CMD "); \
+ if ( Connect_debug ) \
+ { \
+ print(" CMD "); \
+ } \
uint8_t (*rcvFunc)(uint8_t, uint16_t(*), uint8_t) = (uint8_t(*)(uint8_t, uint16_t(*), uint8_t))(Connect_receiveFunctions[ uart##uartNum##_rx_command ]); \
if ( rcvFunc( byteRead, (uint16_t*)&uart##uartNum##_rx_bytes_waiting, uartNum ) ) \
uart##uartNum##_rx_status = UARTStatus_Wait; \
available++; \
continue; \
} \
- print( NL ); \
+ if ( Connect_debug ) \
+ { \
+ print( NL ); \
+ } \
} \
}
uint8_t Connect_master = 0;
+// -- Control Variables --
+uint32_t Connect_lastCheck = 0; // Cable Check scheduler
+uint8_t Connect_debug = 0; // Set 1 for debug
+
+
// -- Rx Status Variables --
volatile UARTStatus uart0_rx_status;
// Check if this is the first byte
if ( *pending_bytes == 0xFFFF )
{
- dbug_msg("PENDING SET -> ");
- printHex( byte );
- print(" ");
*pending_bytes = byte;
- printHex( *pending_bytes );
- print( NL );
+
+ if ( Connect_debug )
+ {
+ dbug_msg("PENDING SET -> ");
+ printHex( byte );
+ print(" ");
+ printHex( *pending_bytes );
+ print( NL );
+ }
}
// Verify byte
else
Connect_cableOkSlave = 1;
}
}
- dbug_msg("CABLECHECK RECEIVE - ");
- printHex( byte );
- print(" ");
- printHex( *pending_bytes );
- print(NL);
+
+ if ( Connect_debug )
+ {
+ dbug_msg("CABLECHECK RECEIVE - ");
+ printHex( byte );
+ print(" ");
+ printHex( *pending_bytes );
+ print( NL );
+ }
// Check whether the cable check has finished
return *pending_bytes == 0 ? 1 : 0;
{
dbug_print("IdRequest");
// Check the directionality
- if ( !to_master )
+ if ( to_master )
{
erro_print("Invalid IdRequest direction...");
}
{
dbug_print("IdEnumeration");
// Check the directionality
- if ( to_master )
+ if ( !to_master )
{
erro_print("Invalid IdEnumeration direction...");
}
{
dbug_print("IdReport");
// Check the directionality
- if ( !to_master )
+ if ( to_master )
{
erro_print("Invalid IdRequest direction...");
}
// Register Connect CLI dictionary
CLI_registerDictionary( uartConnectCLIDict, uartConnectCLIDictName );
+ // Check if master
Connect_master = master;
+ if ( Connect_master )
+ Connect_id = 0; // 0x00 is always the master Id
// Master / UART0 setup
// Slave / UART1 setup
SIM_SCGC4 |= SIM_SCGC4_UART1; // Disable clock gating
// Pin Setup for UART0 / UART1
- // XXX TODO Set to actual (Teensy 3.1s don't have the correct pins available)
- PORTB_PCR16 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); // RX Pin
- PORTB_PCR17 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin
- PORTC_PCR3 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); // RX Pin
- PORTC_PCR4 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin
- //PORTA_PCR1 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(2); // RX Pin
- //PORTA_PCR2 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(2); // TX Pin
- //PORTE_PCR0 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); // RX Pin
- //PORTE_PCR1 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin
+ PORTA_PCR1 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(2); // RX Pin
+ PORTA_PCR2 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(2); // TX Pin
+ PORTE_PCR0 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); // RX Pin
+ PORTE_PCR1 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin
// Baud Rate setting
UART0_BDH = (uint8_t)(Connect_baud >> 8);
// - SyncEvent is also blocking until sent
void Connect_scan()
{
- // Check if Tx Buffers are empty and the Tx Ring buffers have data to send
- // This happens if there was previously nothing to send
- if ( uart0_buffer_items > 0 && UART0_TCFIFO == 0 )
- uart_fillTxFifo( 0 );
- if ( uart1_buffer_items > 0 && UART1_TCFIFO == 0 )
- uart_fillTxFifo( 1 );
+ // Check if initially configured as a slave and usb comes up
+ // Then reconfigure as a master
+ if ( !Connect_master && Output_Available )
+ {
+ Connect_setup( Output_Available );
+ }
+
+ // Limit how often we do cable checks
+ uint32_t time_compare = 0x7FF; // Must be all 1's, 0x3FF is valid, 0x4FF is not
+ uint32_t current_time = systick_millis_count;
+ if ( Connect_lastCheck != current_time
+ && ( current_time & time_compare ) == time_compare
+ )
+ {
+ // Make sure we don't double check if the clock speed is too high
+ Connect_lastCheck = current_time;
+
+ // Send a cable check command of 2 bytes
+ Connect_send_CableCheck( UARTConnectCableCheckLength_define );
+
+ // If this is a slave, and we don't have an id yeth
+ // Don't bother sending if there are cable issues
+ if ( !Connect_master && Connect_id == 0xFF && Connect_cableOkMaster )
+ {
+ Connect_send_IdRequest();
+ }
+ }
+
+ // Only process commands if uarts have been configured
+ if ( uarts_configured )
+ {
+ // Check if Tx Buffers are empty and the Tx Ring buffers have data to send
+ // This happens if there was previously nothing to send
+ if ( uart0_buffer_items > 0 && UART0_TCFIFO == 0 )
+ uart_fillTxFifo( 0 );
+ if ( uart1_buffer_items > 0 && UART1_TCFIFO == 0 )
+ uart_fillTxFifo( 1 );
+ }
}
switch ( numToInt( &arg1Ptr[0] ) )
{
case CableCheck:
- Connect_send_CableCheck( 2 );
+ Connect_send_CableCheck( UARTConnectCableCheckLength_define );
break;
case IdRequest:
UARTStatus_SYN = 1, // Rx: SYN Received, waiting for SOH
UARTStatus_SOH = 2, // Rx: SOH Received, waiting for Command
UARTStatus_Command = 3, // Rx: Command Received, waiting for data
- UARTStatus_Ready = 4, // Tx: Ready to receive commands
+ UARTStatus_Ready = 4, // Tx: Ready to send commands
} UARTStatus;