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controller/Scan/UARTConnect/connect_scan.c

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/* Copyright (C) 2014-2015 by Jacob Alexander
*
* This file is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this file. If not, see <http://www.gnu.org/licenses/>.
*/
// ----- Includes -----
// Compiler Includes
#include <Lib/ScanLib.h>
// Project Includes
#include <cli.h>
#include <led.h>
#include <print.h>
#include <macro.h>
// Local Includes
#include "connect_scan.h"
// ----- Macros -----
// Macro for adding to each uart Tx ring buffer
#define uart_addTxBuffer( uartNum ) \
case uartNum: \
while ( uart##uartNum##_buffer_items + count > uart_buffer_size ) \
{ \
warn_msg("Too much data to send on UART0, waiting..."); \
delay( 1 ); \
} \
for ( uint8_t c = 0; c < count; c++ ) \
{ \
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 ) \
uart##uartNum##_buffer_tail = 0; \
if ( uart##uartNum##_buffer_head == uart##uartNum##_buffer_tail ) \
uart##uartNum##_buffer_head++; \
if ( uart##uartNum##_buffer_head >= uart_buffer_size ) \
uart##uartNum##_buffer_head = 0; \
} \
break
// Macro for popping from Tx ring buffer
#define uart_fillTxFifo( uartNum ) \
{ \
uint8_t fifoSize = ( ( UART##uartNum##_PFIFO & UART_PFIFO_TXFIFOSIZE ) >> 2 ); \
if ( fifoSize == 0 ) \
fifoSize = 1; \
while ( UART##uartNum##_TCFIFO < fifoSize ) \
{ \
if ( uart##uartNum##_buffer_items == 0 ) \
break; \
UART##uartNum##_D = uart##uartNum##_buffer[ uart##uartNum##_buffer_head++ ]; \
uart##uartNum##_buffer_items--; \
if ( uart##uartNum##_buffer_head >= uart_buffer_size ) \
uart##uartNum##_buffer_head = 0; \
} \
}
// Macro for processing UART Rx
#define uart_processRx( uartNum ) \
{ \
if ( !( UART##uartNum##_S1 & UART_S1_RDRF ) ) \
return; \
uint8_t available = UART##uartNum##_RCFIFO; \
if ( available == 0 ) \
{ \
available = UART##uartNum##_D; \
UART##uartNum##_CFIFO = UART_CFIFO_RXFLUSH; \
return; \
} \
while ( available-- > 0 ) \
{ \
uint8_t byteRead = UART##uartNum##_D; \
if ( Connect_debug ) \
{ \
printHex( byteRead ); \
print( "(" ); \
printInt8( available ); \
print( ") <-" ); \
} \
switch ( uart##uartNum##_rx_status ) \
{ \
case UARTStatus_Wait: \
if ( Connect_debug ) \
{ \
print(" SYN "); \
} \
uart##uartNum##_rx_status = byteRead == 0x16 ? UARTStatus_SYN : UARTStatus_Wait; \
break; \
case UARTStatus_SYN: \
if ( Connect_debug ) \
{ \
print(" SOH "); \
} \
uart##uartNum##_rx_status = byteRead == 0x01 ? UARTStatus_SOH : UARTStatus_Wait; \
break; \
case UARTStatus_SOH: \
{ \
if ( Connect_debug ) \
{ \
print(" CMD "); \
} \
uint8_t byte = byteRead; \
if ( byte <= Animation ) \
{ \
uart##uartNum##_rx_status = UARTStatus_Command; \
uart##uartNum##_rx_command = byte; \
uart##uartNum##_rx_bytes_waiting = 0xFFFF; \
} \
else \
{ \
uart##uartNum##_rx_status = UARTStatus_Wait; \
} \
switch ( uart##uartNum##_rx_command ) \
{ \
case IdRequest: \
Connect_receive_IdRequest( 0, (uint16_t*)&uart##uartNum##_rx_bytes_waiting, uartNum ); \
uart##uartNum##_rx_status = UARTStatus_Wait; \
break; \
default: \
if ( Connect_debug ) \
{ \
print("###"); \
} \
break; \
} \
break; \
} \
case UARTStatus_Command: \
{ \
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; \
break; \
} \
default: \
erro_msg("Invalid UARTStatus..."); \
uart##uartNum##_rx_status = UARTStatus_Wait; \
available++; \
continue; \
} \
if ( Connect_debug ) \
{ \
print( NL ); \
} \
} \
}
// Macros for locking/unlock Tx buffers
#define uart_lockTx( uartNum ) \
{ \
while ( uart##uartNum##_tx_status == UARTStatus_Wait ); \
uart##uartNum##_tx_status = UARTStatus_Wait; \
}
#define uart_unlockTx( uartNum ) \
{ \
uart##uartNum##_tx_status = UARTStatus_Ready; \
}
// ----- Function Declarations -----
// CLI Functions
void cliFunc_connectCmd ( char *args );
void cliFunc_connectIdl ( char *args );
2015-07-25 21:54:36 +00:00
void cliFunc_connectLst ( char *args );
void cliFunc_connectMst ( char *args );
void cliFunc_connectRst ( char *args );
void cliFunc_connectSts ( char *args );
// ----- Variables -----
// Connect Module command dictionary
CLIDict_Entry( connectCmd, "Sends a command via UART Connect, first arg is which uart, next arg is the command, rest are the arguments." );
CLIDict_Entry( connectIdl, "Sends N number of Idle commands, 2 is the default value, and should be sufficient in most cases." );
2015-07-25 21:54:36 +00:00
CLIDict_Entry( connectLst, "Lists available UARTConnect commands and index id" );
CLIDict_Entry( connectMst, "Sets the device as master. Use argument of s to set as slave." );
CLIDict_Entry( connectRst, "Resets both Rx and Tx connect buffers and state variables." );
CLIDict_Entry( connectSts, "UARTConnect status." );
CLIDict_Def( uartConnectCLIDict, "UARTConnect Module Commands" ) = {
CLIDict_Item( connectCmd ),
CLIDict_Item( connectIdl ),
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CLIDict_Item( connectLst ),
CLIDict_Item( connectMst ),
CLIDict_Item( connectRst ),
CLIDict_Item( connectSts ),
{ 0, 0, 0 } // Null entry for dictionary end
};
// -- Connect Device Id Variables --
uint8_t Connect_id = 255; // Invalid, unset
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;
volatile UARTStatus uart1_rx_status;
volatile uint16_t uart0_rx_bytes_waiting;
volatile uint16_t uart1_rx_bytes_waiting;
volatile Command uart0_rx_command;
volatile Command uart1_rx_command;
// -- Tx Status Variables --
volatile UARTStatus uart0_tx_status;
volatile UARTStatus uart1_tx_status;
// -- Ring Buffer Variables --
#define uart_buffer_size UARTConnectBufSize_define
volatile uint8_t uart0_buffer_head;
volatile uint8_t uart0_buffer_tail;
volatile uint8_t uart0_buffer_items;
volatile uint8_t uart0_buffer[uart_buffer_size];
volatile uint8_t uart1_buffer_head;
volatile uint8_t uart1_buffer_tail;
volatile uint8_t uart1_buffer_items;
volatile uint8_t uart1_buffer[uart_buffer_size];
volatile uint8_t uarts_configured = 0;
// -- Ring Buffer Convenience Functions --
void Connect_addBytes( uint8_t *buffer, uint8_t count, uint8_t uart )
{
// Too big to fit into buffer
if ( count > uart_buffer_size )
{
erro_msg("Too big of a command to fit into the buffer...");
return;
}
// Choose the uart
switch ( uart )
{
uart_addTxBuffer( 0 );
uart_addTxBuffer( 1 );
default:
erro_msg("Invalid UART to send from...");
break;
}
}
// -- Connect send functions --
// patternLen defines how many bytes should the incrementing pattern have
void Connect_send_CableCheck( uint8_t patternLen )
{
// Wait until the Tx buffers are ready, then lock them
uart_lockTx( 0 );
uart_lockTx( 1 );
// Prepare header
uint8_t header[] = { 0x16, 0x01, CableCheck, patternLen };
// Send header
Connect_addBytes( header, sizeof( header ), 1 ); // Master
Connect_addBytes( header, sizeof( header ), 0 ); // Slave
// Send 0xD2 (11010010) for each argument
uint8_t value = 0xD2;
for ( uint8_t c = 0; c < patternLen; c++ )
{
Connect_addBytes( &value, 1, 1 ); // Master
Connect_addBytes( &value, 1, 0 ); // Slave
}
// Release Tx buffers
uart_unlockTx( 0 );
uart_unlockTx( 1 );
}
void Connect_send_IdRequest()
{
// Lock master bound Tx
uart_lockTx( 1 );
// Prepare header
uint8_t header[] = { 0x16, 0x01, IdRequest };
// Send header
Connect_addBytes( header, sizeof( header ), 1 ); // Master
// Unlock Tx
uart_unlockTx( 1 );
}
// id is the value the next slave should enumerate as
void Connect_send_IdEnumeration( uint8_t id )
{
// Lock slave bound Tx
uart_lockTx( 0 );
// Prepare header
uint8_t header[] = { 0x16, 0x01, IdEnumeration, id };
// Send header
Connect_addBytes( header, sizeof( header ), 0 ); // Slave
// Unlock Tx
uart_unlockTx( 0 );
}
// id is the currently assigned id to the slave
void Connect_send_IdReport( uint8_t id )
{
// Lock master bound Tx
uart_lockTx( 1 );
// Prepare header
uint8_t header[] = { 0x16, 0x01, IdReport, id };
// Send header
Connect_addBytes( header, sizeof( header ), 1 ); // Master
// Unlock Tx
uart_unlockTx( 1 );
}
// id is the currently assigned id to the slave
// scanCodeStateList is an array of [scancode, state]'s (8 bit values)
// numScanCodes is the number of scan codes to parse from array
void Connect_send_ScanCode( uint8_t id, TriggerGuide *scanCodeStateList, uint8_t numScanCodes )
{
// Lock master bound Tx
uart_lockTx( 1 );
// Prepare header
uint8_t header[] = { 0x16, 0x01, ScanCode, id, numScanCodes };
// Send header
Connect_addBytes( header, sizeof( header ), 1 ); // Master
// Send each of the scan codes
Connect_addBytes( (uint8_t*)scanCodeStateList, numScanCodes * TriggerGuideSize, 1 ); // Master
// Unlock Tx
uart_unlockTx( 1 );
}
// id is the currently assigned id to the slave
// paramList is an array of [param, value]'s (8 bit values)
// numParams is the number of params to parse from the array
void Connect_send_Animation( uint8_t id, uint8_t *paramList, uint8_t numParams )
{
// Lock slave bound Tx
uart_lockTx( 0 );
// Prepare header
uint8_t header[] = { 0x16, 0x01, Animation, id, numParams };
// Send header
Connect_addBytes( header, sizeof( header ), 0 ); // Slave
// Send each of the scan codes
Connect_addBytes( paramList, numParams, 0 ); // Slave
// Unlock Tx
uart_unlockTx( 0 );
}
void Connect_send_Idle( uint8_t num )
{
// Wait until the Tx buffers are ready, then lock them
uart_lockTx( 0 );
uart_lockTx( 1 );
// Send n number of idles to reset link status (if in a bad state)
uint8_t value = 0x16;
for ( uint8_t c = 0; c < num; c++ )
{
Connect_addBytes( &value, 1, 1 ); // Master
Connect_addBytes( &value, 1, 0 ); // Slave
}
// Release Tx buffers
uart_unlockTx( 0 );
uart_unlockTx( 1 );
}
// -- Connect receive functions --
// - Cable Check variables -
uint32_t Connect_cableFaultsMaster = 0;
uint32_t Connect_cableFaultsSlave = 0;
uint8_t Connect_cableOkMaster = 0;
uint8_t Connect_cableOkSlave = 0;
uint8_t Connect_receive_CableCheck( uint8_t byte, uint16_t *pending_bytes, uint8_t to_master )
{
// Check if this is the first byte
if ( *pending_bytes == 0xFFFF )
{
*pending_bytes = byte;
if ( Connect_debug )
{
dbug_msg("PENDING SET -> ");
printHex( byte );
print(" ");
printHex( *pending_bytes );
print( NL );
}
}
// Verify byte
else
{
(*pending_bytes)--;
// The argument bytes are always 0xD2 (11010010)
if ( byte != 0xD2 )
{
warn_print("Cable Fault!");
// Check which side of the chain
if ( to_master )
{
Connect_cableFaultsMaster++;
Connect_cableOkMaster = 0;
print(" Master ");
}
else
{
Connect_cableFaultsSlave++;
Connect_cableOkSlave = 0;
print(" Slave ");
}
printHex( byte );
print( NL );
// Signal that the command should wait for a SYN again
return 1;
}
}
// If cable check was successful, set cable ok
if ( *pending_bytes == 0 )
{
if ( to_master )
{
Connect_cableOkMaster = 1;
}
else
{
Connect_cableOkSlave = 1;
}
}
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;
}
uint8_t Connect_receive_IdRequest( uint8_t byte, uint16_t *pending_bytes, uint8_t to_master )
{
dbug_print("IdRequest");
// Check the directionality
if ( to_master )
{
erro_print("Invalid IdRequest direction...");
}
// Check if master, begin IdEnumeration
if ( Connect_master )
{
// The first device is always id 1
// Id 0 is reserved for the master
Connect_send_IdEnumeration( 1 );
}
// Propagate IdRequest
else
{
Connect_send_IdRequest();
}
return 1;
}
uint8_t Connect_receive_IdEnumeration( uint8_t id, uint16_t *pending_bytes, uint8_t to_master )
{
dbug_print("IdEnumeration");
// Check the directionality
if ( !to_master )
{
erro_print("Invalid IdEnumeration direction...");
}
// Set the device id
Connect_id = id;
// Send reponse back to master
Connect_send_IdReport( id );
// Propogate next Id if the connection is ok
if ( Connect_cableOkSlave )
{
Connect_send_IdEnumeration( id + 1 );
}
return 1;
}
uint8_t Connect_receive_IdReport( uint8_t id, uint16_t *pending_bytes, uint8_t to_master )
{
dbug_print("IdReport");
// Check the directionality
if ( to_master )
{
erro_print("Invalid IdRequest direction...");
}
// Track Id response if master
if ( Connect_master )
{
// TODO, setup id's
info_msg("Id Reported: ");
printHex( id );
print( NL );
return 1;
}
// Propagate id if yet another slave
else
{
Connect_send_IdReport( id );
}
return 1;
}
// - Scan Code Variables -
TriggerGuide Connect_receive_ScanCodeBuffer;
uint8_t Connect_receive_ScanCodeBufferPos;
uint8_t Connect_receive_ScanCodeDeviceId;
uint8_t Connect_receive_ScanCode( uint8_t byte, uint16_t *pending_bytes, uint8_t to_master )
{
dbug_print("ScanCode");
// Check the directionality
if ( !to_master )
{
erro_print("Invalid ScanCode direction...");
}
// Master node, trigger scan codes
if ( Connect_master ) switch ( (*pending_bytes)-- )
{
case 0xFFFF: // Device Id
Connect_receive_ScanCodeDeviceId = byte;
break;
case 0xFFFE: // Number of TriggerGuides in bytes (byte * 3)
*pending_bytes = byte * 3;
Connect_receive_ScanCodeBufferPos = 0;
break;
default:
// Set the specific TriggerGuide entry
((uint8_t*)&Connect_receive_ScanCodeBuffer)[ Connect_receive_ScanCodeBufferPos++ ] = byte;
// Reset the BufferPos if higher than 3
// And send the TriggerGuide to the Macro Module
if ( Connect_receive_ScanCodeBufferPos > 3 )
{
Connect_receive_ScanCodeBufferPos = 0;
Macro_triggerState( &Connect_receive_ScanCodeBuffer, 1 );
}
break;
}
// Propagate ScanCode packet
else switch ( (*pending_bytes)-- )
{
case 0xFFFF: // Device Id
{
Connect_receive_ScanCodeDeviceId = byte;
// Lock the master Tx buffer
uart_lockTx( 1 );
// Send header + Id byte
uint8_t header[] = { 0x16, 0x01, ScanCode, byte };
Connect_addBytes( header, sizeof( header ), 1 ); // Master
break;
}
case 0xFFFE: // Number of TriggerGuides in bytes (byte * 3)
*pending_bytes = byte * 3;
Connect_receive_ScanCodeBufferPos = 0;
// Pass through byte
Connect_addBytes( &byte, 1, 1 ); // Master
break;
default:
// Pass through byte
Connect_addBytes( &byte, 1, 1 ); // Master
// Unlock Tx Buffer after sending last byte
if ( *pending_bytes == 0 )
uart_unlockTx( 1 );
break;
}
// Check whether the scan codes have finished sending
return *pending_bytes == 0 ? 1 : 0;
}
uint8_t Connect_receive_Animation( uint8_t byte, uint16_t *pending_bytes, uint8_t to_master )
{
dbug_print("Animation");
return 1;
}
// Baud Rate
// NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet
uint16_t Connect_baud = UARTConnectBaud_define; // Max setting of 8191
uint16_t Connect_baudFine = UARTConnectBaudFine_define;
// Connect receive function lookup
void *Connect_receiveFunctions[] = {
Connect_receive_CableCheck,
Connect_receive_IdRequest,
Connect_receive_IdEnumeration,
Connect_receive_IdReport,
Connect_receive_ScanCode,
Connect_receive_Animation,
};
// ----- Interrupt Functions -----
// Master / UART0 ISR
void uart0_status_isr()
{
// Process Rx buffer
uart_processRx( 0 );
}
// Slave / UART1 ISR
void uart1_status_isr()
{
// Process Rx buffer
uart_processRx( 1 );
}
// ----- Functions -----
// Resets the state of the UART buffers and state variables
void Connect_reset()
{
// Rx Status Variables
uart0_rx_status = UARTStatus_Wait;
uart1_rx_status = UARTStatus_Wait;
uart0_rx_bytes_waiting = 0;
uart1_rx_bytes_waiting = 0;
// Tx Status Variables
uart0_tx_status = UARTStatus_Ready;
uart1_tx_status = UARTStatus_Ready;
// Ring Buffer Variables
uart0_buffer_head = 0;
uart0_buffer_tail = 0;
uart0_buffer_items = 0;
uart1_buffer_head = 0;
uart1_buffer_tail = 0;
uart1_buffer_items = 0;
}
// Setup connection to other side
// - Only supports a single slave and master
// - If USB has been initiallized at this point, this side is the master
// - If both sides assert master, flash error leds
void Connect_setup( uint8_t master )
{
// Indication that UARTs are not ready
uarts_configured = 0;
// 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
// Setup the the UART interface for keyboard data input
SIM_SCGC4 |= SIM_SCGC4_UART0; // Disable clock gating
SIM_SCGC4 |= SIM_SCGC4_UART1; // Disable clock gating
// Pin Setup for UART0 / UART1
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);
UART0_BDL = (uint8_t)Connect_baud;
UART0_C4 = Connect_baudFine;
UART1_BDH = (uint8_t)(Connect_baud >> 8);
UART1_BDL = (uint8_t)Connect_baud;
UART1_C4 = Connect_baudFine;
// 8 bit, Even Parity, Idle Character bit after stop
// NOTE: For 8 bit with Parity you must enable 9 bit transmission (pg. 1065)
// You only need to use UART0_D for 8 bit reading/writing though
// UART_C1_M UART_C1_PE UART_C1_PT UART_C1_ILT
UART0_C1 = UART_C1_M | UART_C1_PE | UART_C1_ILT;
UART1_C1 = UART_C1_M | UART_C1_PE | UART_C1_ILT;
// Number of bytes in FIFO before TX Interrupt
// TODO Set 0
UART0_TWFIFO = 1;
UART1_TWFIFO = 1;
// Number of bytes in FIFO before RX Interrupt
UART0_RWFIFO = 1;
UART1_RWFIFO = 1;
// Enable TX and RX FIFOs
UART0_PFIFO = UART_PFIFO_TXFE | UART_PFIFO_RXFE;
UART1_PFIFO = UART_PFIFO_TXFE | UART_PFIFO_RXFE;
// Reciever Inversion Disabled, LSBF
// UART_S2_RXINV UART_S2_MSBF
UART0_S2 |= 0x00;
UART1_S2 |= 0x00;
// Transmit Inversion Disabled
// UART_C3_TXINV
UART0_C3 |= 0x00;
UART1_C3 |= 0x00;
// TX Enabled, RX Enabled, RX Interrupt Enabled
// UART_C2_TE UART_C2_RE UART_C2_RIE
UART0_C2 = UART_C2_TE | UART_C2_RE | UART_C2_RIE;
UART1_C2 = UART_C2_TE | UART_C2_RE | UART_C2_RIE;
// Add interrupts to the vector table
NVIC_ENABLE_IRQ( IRQ_UART0_STATUS );
NVIC_ENABLE_IRQ( IRQ_UART1_STATUS );
// UARTs are now ready to go
uarts_configured = 1;
// Reset the state of the UART variables
Connect_reset();
}
// Scan for updates in the master/slave
// - Interrupts will deal with most input functions
// - Used to send queries
// - SyncEvent is sent immediately once the current command is sent
// - SyncEvent is also blocking until sent
void Connect_scan()
{
// 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 );
}
}
// ----- CLI Command Functions -----
void cliFunc_connectCmd( char* args )
{
// Parse number from argument
// NOTE: Only first argument is used
char* arg1Ptr;
char* arg2Ptr;
CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
print( NL );
switch ( numToInt( &arg1Ptr[0] ) )
{
case CableCheck:
Connect_send_CableCheck( UARTConnectCableCheckLength_define );
break;
case IdRequest:
Connect_send_IdRequest();
break;
case IdEnumeration:
Connect_send_IdEnumeration( 5 );
break;
case IdReport:
Connect_send_IdReport( 8 );
break;
case ScanCode:
{
TriggerGuide scanCodes[] = { { 0x00, 0x01, 0x05 }, { 0x00, 0x03, 0x16 } };
Connect_send_ScanCode( 10, scanCodes, 2 );
break;
}
case Animation:
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break;
case RemoteCapability:
// TODO
break;
case RemoteOutput:
// TODO
break;
case RemoteInput:
// TODO
break;
default:
break;
}
}
void cliFunc_connectIdl( char* args )
{
// Parse number from argument
// NOTE: Only first argument is used
char* arg1Ptr;
char* arg2Ptr;
CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
print( NL );
info_msg("Sending Sync Idles...");
uint8_t count = numToInt( &arg1Ptr[0] );
// Default to 2 idles
if ( count == 0 )
count = 2;
Connect_send_Idle( count );
}
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void cliFunc_connectLst( char* args )
{
const char *Command_strs[] = {
"CableCheck",
"IdRequest",
"IdEnumeration",
"IdReport",
"ScanCode",
"Animation",
"RemoteCapability",
"RemoteOutput",
"RemoteInput",
};
print( NL );
info_msg("List of UARTConnect commands");
for ( uint8_t cmd = 0; cmd < Command_TOP; cmd++ )
{
print( NL );
printInt8( cmd );
print(" - ");
dPrint( (char*)Command_strs[ cmd ] );
}
}
void cliFunc_connectMst( char* args )
{
// Parse number from argument
// NOTE: Only first argument is used
char* arg1Ptr;
char* arg2Ptr;
CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
print( NL );
switch ( arg1Ptr[0] )
{
case 's':
case 'S':
info_msg("Setting device as slave.");
Connect_master = 0;
Connect_id = 0xFF;
break;
case 'm':
case 'M':
default:
info_msg("Setting device as master.");
Connect_master = 1;
Connect_id = 0;
break;
}
}
void cliFunc_connectRst( char* args )
{
print( NL );
info_msg("Resetting UARTConnect state...");
Connect_reset();
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// Reset node id
Connect_id = 0xFF;
}
void cliFunc_connectSts( char* args )
{
print( NL );
info_msg("UARTConnect Status");
print( NL "Device Type:\t" );
print( Connect_master ? "Master" : "Slave" );
print( NL "Device Id:\t" );
printHex( Connect_id );
print( NL "Master <=" NL "\tStatus:\t");
printHex( Connect_cableOkMaster );
print( NL "\tFaults:\t");
printHex( Connect_cableFaultsMaster );
print( NL "\tRx:\t");
printHex( uart1_rx_status );
print( NL "\tTx:\t");
printHex( uart1_tx_status );
print( NL "Slave <=" NL "\tStatus:\t");
printHex( Connect_cableOkSlave );
print( NL "\tFaults:\t");
printHex( Connect_cableFaultsSlave );
print( NL "\tRx:\t");
printHex( uart0_rx_status );
print( NL "\tTx:\t");
printHex( uart0_tx_status );
}