1 /* Copyright (C) 2014-2015 by Jacob Alexander
3 * This file is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
8 * This file is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this file. If not, see <http://www.gnu.org/licenses/>.
17 // ----- Includes -----
20 #include <Lib/ScanLib.h>
32 // ----- Defines -----
34 #define I2C_TxBufferLength 300
35 #define I2C_RxBufferLength 8
37 #define LED_BufferLength 144
40 // ----- Structs -----
42 typedef struct I2C_Buffer {
50 typedef struct LED_Buffer {
51 uint8_t buffer[LED_BufferLength];
56 // ----- Function Declarations -----
59 void cliFunc_i2cRecv( char* args );
60 void cliFunc_i2cSend( char* args );
61 void cliFunc_ledPage( char* args );
62 void cliFunc_ledStart( char* args );
63 void cliFunc_ledTest( char* args );
64 void cliFunc_ledZero( char* args );
66 uint8_t I2C_TxBufferPop();
67 void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer );
68 uint16_t I2C_BufferLen( I2C_Buffer *buffer );
69 uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen );
73 // ----- Variables -----
75 // Scan Module command dictionary
76 CLIDict_Entry( i2cRecv, "Send I2C sequence of bytes and expect a reply of 1 byte on the last sequence." NL "\t\tUse |'s to split sequences with a stop." );
77 CLIDict_Entry( i2cSend, "Send I2C sequence of bytes. Use |'s to split sequences with a stop." );
78 CLIDict_Entry( ledPage, "Read the given register page." );
79 CLIDict_Entry( ledStart, "Disable software shutdown." );
80 CLIDict_Entry( ledTest, "Test out the led pages." );
81 CLIDict_Entry( ledZero, "Zero out LED register pages (non-configuration)." );
83 CLIDict_Def( ledCLIDict, "ISSI LED Module Commands" ) = {
84 CLIDict_Item( i2cRecv ),
85 CLIDict_Item( i2cSend ),
86 CLIDict_Item( ledPage ),
87 CLIDict_Item( ledStart ),
88 CLIDict_Item( ledTest ),
89 CLIDict_Item( ledZero ),
90 { 0, 0, 0 } // Null entry for dictionary end
95 // Before sending the sequence, I2C_TxBuffer_CurLen is assigned and as each byte is sent, it is decremented
96 // Once I2C_TxBuffer_CurLen reaches zero, a STOP on the I2C bus is sent
97 volatile uint8_t I2C_TxBufferPtr[ I2C_TxBufferLength ];
98 volatile uint8_t I2C_RxBufferPtr[ I2C_TxBufferLength ];
100 volatile I2C_Buffer I2C_TxBuffer = { 0, 0, 0, I2C_TxBufferLength, (uint8_t*)I2C_TxBufferPtr };
101 volatile I2C_Buffer I2C_RxBuffer = { 0, 0, 0, I2C_RxBufferLength, (uint8_t*)I2C_RxBufferPtr };
103 LED_Buffer LED_pageBuffer;
106 // A bit mask determining which LEDs are enabled in the ISSI chip
107 // All channel mask example
109 const uint8_t LED_ledEnableMask[] = {
111 0x00, // Starting register address
112 0xFF, 0xFF, // C1-1 -> C1-16
113 0xFF, 0xFF, // C2-1 -> C2-16
114 0xFF, 0xFF, // C3-1 -> C3-16
115 0xFF, 0xFF, // C4-1 -> C4-16
116 0xFF, 0xFF, // C5-1 -> C5-16
117 0xFF, 0xFF, // C6-1 -> C6-16
118 0xFF, 0xFF, // C7-1 -> C7-16
119 0xFF, 0xFF, // C8-1 -> C8-16
120 0xFF, 0xFF, // C9-1 -> C9-16
125 // A bit mask determining which LEDs are enabled in the ISSI chip
126 // Infinity ErgoDox full mask
128 const uint8_t LED_ledEnableMask[] = {
130 0x00, // Starting register address
131 0xFC, 0xFC, // C1-1 -> C1-16
132 0xFB, 0xFB, // C2-1 -> C2-16
133 0xFF, 0xFF, // C3-1 -> C3-16
134 0xFE, 0xFE, // C4-1 -> C4-16
135 0x7F, 0x7F, // C5-1 -> C5-16
136 0xFF, 0xFF, // C6-1 -> C6-16
137 0xCF, 0xCF, // C7-1 -> C7-16
138 0xC7, 0xC7, // C8-1 -> C8-16
139 0x43, 0x43, // C9-1 -> C9-16
142 const uint8_t LED_ledEnableMask[] = {
144 0x00, // Starting register address
145 0x00, 0x00, // C1-1 -> C1-16
146 //0xEC, 0xEC, // C1-1 -> C1-16
147 0x00, 0x00, // C2-1 -> C2-16
148 0x00, 0x00, // C3-1 -> C3-16
149 0x00, 0x00, // C4-1 -> C4-16
150 0x00, 0x00, // C5-1 -> C5-16
151 0x00, 0x00, // C6-1 -> C6-16
152 0x08, 0x08, // C7-1 -> C7-16
153 0x00, 0x00, // C8-1 -> C8-16
154 0x00, 0x00, // C9-1 -> C9-16
158 // XXX Pre-fill example of buffers
159 const uint8_t examplePage[] = {
161 0x24, // Starting register address
162 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C1-1 -> C1-16
163 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C2-1 -> C2-16
164 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C3-1 -> C3-16
165 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C4-1 -> C4-16
166 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C5-1 -> C5-16
167 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C6-1 -> C6-16
168 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C7-1 -> C7-16
169 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C8-1 -> C8-16
170 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C9-1 -> C9-16
174 // XXX Pre-fill example of buffers
175 const uint8_t examplePage[] = {
177 0x24, // Starting register address
178 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, // C1-1 -> C1-16
179 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, // C2-1 -> C2-16
180 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, // C3-1 -> C3-16
181 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, // C4-1 -> C4-16
182 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, // C5-1 -> C5-16
183 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, // C6-1 -> C6-16
184 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, // C7-1 -> C7-16
185 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, // C8-1 -> C8-16
186 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, // C9-1 -> C9-16
192 // ----- Interrupt Functions -----
196 cli(); // Disable Interrupts
198 uint8_t status = I2C0_S; // Read I2C Bus status
200 // Master Mode Transmit
201 if ( I2C0_C1 & I2C_C1_TX )
203 // Check current use of the I2C bus
204 // Currently sending data
205 if ( I2C_TxBuffer.sequencePos > 0 )
207 // Make sure slave sent an ACK
208 if ( status & I2C_S_RXAK )
210 // NACK Detected, disable interrupt
211 erro_print("I2C NAK detected...");
212 I2C0_C1 = I2C_C1_IICEN;
215 I2C_TxBuffer.head = 0;
216 I2C_TxBuffer.tail = 0;
217 I2C_TxBuffer.sequencePos = 0;
222 I2C0_D = I2C_TxBufferPop();
226 else if ( I2C_RxBuffer.sequencePos > 0 )
228 // Master Receive, addr sent
229 if ( status & I2C_S_ARBL )
232 erro_print("Arbitration lost...");
235 I2C0_C1 = I2C_C1_IICEN;
236 I2C0_S = I2C_S_ARBL | I2C_S_IICIF; // Clear ARBL flag and interrupt
238 if ( status & I2C_S_RXAK )
240 // Slave Address NACK Detected, disable interrupt
241 erro_print("Slave Address I2C NAK detected...");
244 I2C0_C1 = I2C_C1_IICEN;
248 dbug_print("Attempting to read byte");
249 I2C0_C1 = I2C_RxBuffer.sequencePos == 1
250 ? I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TXAK // Single byte read
251 : I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST; // Multi-byte read
258 printHex( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) );
262 // Delay around STOP to make sure it actually happens...
263 delayMicroseconds( 1 );
264 I2C0_C1 = I2C_C1_IICEN; // Send STOP
265 delayMicroseconds( 7 );
267 // If there is another sequence, start sending
268 if ( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) < I2C_TxBuffer.size )
270 // Clear status flags
271 I2C0_S = I2C_S_IICIF | I2C_S_ARBL;
273 // Wait...till the master dies
274 while ( I2C0_S & I2C_S_BUSY );
276 // Enable I2C interrupt
277 I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TX;
280 I2C0_D = I2C_TxBufferPop();
284 // Master Mode Receive
287 // XXX Do we need to handle 2nd last byte?
288 //I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TXAK; // No STOP, Rx, NAK on recv
291 if ( I2C_TxBuffer.sequencePos <= 1 )
294 I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_TX;
297 I2C_BufferPush( I2C0_D, (I2C_Buffer*)&I2C_RxBuffer );
299 delayMicroseconds( 1 ); // Should be enough time before issuing the stop
300 I2C0_C1 = I2C_C1_IICEN; // Send STOP
305 I2C_BufferPush( I2C0_D, (I2C_Buffer*)&I2C_RxBuffer );
309 I2C0_S = I2C_S_IICIF; // Clear interrupt
311 sei(); // Re-enable Interrupts
316 // ----- Functions -----
318 inline void I2C_setup()
320 // Enable I2C internal clock
321 SIM_SCGC4 |= SIM_SCGC4_I2C0; // Bus 0
323 // External pull-up resistor
324 PORTB_PCR0 = PORT_PCR_ODE | PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(2);
325 PORTB_PCR1 = PORT_PCR_ODE | PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(2);
327 // SCL Frequency Divider
328 // 400kHz -> 120 (0x85) @ 48 MHz F_BUS
331 I2C0_C1 = I2C_C1_IICEN;
332 I2C0_C2 = I2C_C2_HDRS; // High drive select
334 // Enable I2C Interrupt
335 NVIC_ENABLE_IRQ( IRQ_I2C0 );
338 void LED_zeroPages( uint8_t startPage, uint8_t numPages, uint8_t startReg, uint8_t endReg )
341 uint8_t pageSetup[] = { 0xE8, 0xFD, 0x00 };
343 // Max length of a page + chip id + reg start
344 uint8_t fullPage[ 0xB4 + 2 ] = { 0 }; // Max size of page
345 fullPage[0] = 0xE8; // Set chip id
346 fullPage[1] = startReg; // Set start reg
348 // Iterate through given pages, zero'ing out the given register regions
349 for ( uint8_t page = startPage; page < startPage + numPages; page++ )
355 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
359 while ( I2C_Send( fullPage, endReg - startReg + 2, 0 ) == 0 )
364 void LED_sendPage( uint8_t *buffer, uint8_t len, uint8_t page )
367 uint8_t pageSetup[] = { 0xE8, 0xFD, page };
370 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
373 // Write page to I2C Tx Buffer
374 while ( I2C_Send( buffer, len, 0 ) == 0 )
379 void LED_readPage( uint8_t len, uint8_t page )
382 uint8_t pageSetup[] = { 0xE8, 0xFD, page };
385 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
389 uint8_t regSetup[] = { 0xE8, 0x00 };
391 // Setup starting register
392 while ( I2C_Send( regSetup, sizeof( regSetup ), 0 ) == 0 )
395 // Register Read Command
396 uint8_t regReadCmd[] = { 0xE9 };
398 // Read each register in the page
399 for ( uint8_t reg = 0; reg < len; reg++ )
401 // Request register data
402 while ( I2C_Send( regReadCmd, sizeof( regReadCmd ), 0 ) == 0 )
407 void LED_writeReg( uint8_t reg, uint8_t val, uint8_t page )
410 uint8_t pageSetup[] = { 0xE8, 0xFD, page };
413 uint8_t writeData[] = { 0xE8, reg, val };
416 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
419 while ( I2C_Send( writeData, sizeof( writeData ), 0 ) == 0 )
424 inline void LED_setup()
426 // Register Scan CLI dictionary
427 CLI_registerDictionary( ledCLIDict, ledCLIDictName );
433 // Zero out Frame Registers
434 // This needs to be done before disabling the hardware shutdown (or the leds will do undefined things)
435 LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
437 // Disable Hardware shutdown of ISSI chip (pull high)
438 GPIOD_PDDR |= (1<<1);
439 PORTD_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
440 GPIOD_PSOR |= (1<<1);
443 LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
445 // Enable LEDs based upon mask
446 LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 );
448 // Disable Software shutdown of ISSI chip
449 LED_writeReg( 0x0A, 0x01, 0x0B );
454 inline uint8_t I2C_BufferCopy( uint8_t *data, uint8_t sendLen, uint8_t recvLen, I2C_Buffer *buffer )
458 // If sendLen is greater than buffer fail right away
459 if ( sendLen > buffer->size )
462 // Calculate new tail to determine if buffer has enough space
463 // The first element specifies the expected number of bytes from the slave (+1)
464 // The second element in the new buffer is the length of the buffer sequence (+1)
465 uint16_t newTail = buffer->tail + sendLen + 2;
466 if ( newTail >= buffer->size )
467 newTail -= buffer->size;
469 if ( I2C_BufferLen( buffer ) < sendLen + 2 )
474 printHex( sendLen + 2 );
482 // If buffer is clean, return 1, otherwise 2
483 reTurn = buffer->head == buffer->tail ? 1 : 2;
485 // Add to buffer, already know there is enough room (simplifies adding logic)
486 uint8_t bufferHeaderPos = 0;
487 for ( uint16_t c = 0; c < sendLen; c++ )
489 // Add data to buffer
490 switch ( bufferHeaderPos )
493 buffer->buffer[ buffer->tail ] = recvLen;
499 buffer->buffer[ buffer->tail ] = sendLen;
505 buffer->buffer[ buffer->tail ] = data[ c ];
509 // Check for wrap-around case
510 if ( buffer->tail + 1 >= buffer->size )
525 inline uint16_t I2C_BufferLen( I2C_Buffer *buffer )
528 if ( buffer->tail >= buffer->head )
529 return buffer->head + buffer->size - buffer->tail;
532 return buffer->head - buffer->tail;
536 void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer )
541 // Make sure buffer isn't full
542 if ( buffer->tail + 1 == buffer->head || ( buffer->head > buffer->tail && buffer->tail + 1 - buffer->size == buffer->head ) )
544 warn_msg("I2C_BufferPush failed, buffer full: ");
550 // Check for wrap-around case
551 if ( buffer->tail + 1 >= buffer->size )
561 // Add byte to buffer
562 buffer->buffer[ buffer->tail ] = byte;
566 uint8_t I2C_TxBufferPop()
568 // Return 0xFF if no buffer left (do not rely on this)
569 if ( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) >= I2C_TxBuffer.size )
571 erro_msg("No buffer to pop an entry from... ");
572 printHex( I2C_TxBuffer.head );
574 printHex( I2C_TxBuffer.tail );
576 printHex( I2C_TxBuffer.sequencePos );
581 // If there is currently no sequence being sent, the first entry in the RingBuffer is the length
582 if ( I2C_TxBuffer.sequencePos == 0 )
584 I2C_TxBuffer.sequencePos = 0xFF; // So this doesn't become an infinite loop
585 I2C_RxBuffer.sequencePos = I2C_TxBufferPop();
586 I2C_TxBuffer.sequencePos = I2C_TxBufferPop();
589 uint8_t data = I2C_TxBuffer.buffer[ I2C_TxBuffer.head ];
595 if ( I2C_TxBuffer.head >= I2C_TxBuffer.size )
596 I2C_TxBuffer.head = 0;
598 // Decrement buffer sequence (until next stop will be sent)
599 I2C_TxBuffer.sequencePos--;
602 dbug_msg("Popping: ");
605 printHex( I2C_TxBuffer.head );
607 printHex( I2C_TxBuffer.tail );
609 printHex( I2C_TxBuffer.sequencePos );
616 uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen )
618 // Check head and tail pointers
620 // If empty, start up I2C Master Tx
621 // If buffer is non-empty and non-full, just append to the buffer
622 switch ( I2C_BufferCopy( data, sendLen, recvLen, (I2C_Buffer*)&I2C_TxBuffer ) )
624 // Not enough buffer space...
627 erro_msg("Not enough Tx buffer space... ");
628 printHex( I2C_TxBuffer.head );
630 printHex( I2C_TxBuffer.tail );
634 printHex( I2C_TxBuffer.size );
639 // Empty buffer, initialize I2C
641 // Clear status flags
642 I2C0_S = I2C_S_IICIF | I2C_S_ARBL;
644 // Check to see if we already have control of the bus
645 if ( I2C0_C1 & I2C_C1_MST )
647 // Already the master (ah yeah), send a repeated start
648 I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_RSTA | I2C_C1_TX;
650 // Otherwise, seize control
653 // Wait...till the master dies
654 while ( I2C0_S & I2C_S_BUSY );
656 // Now we're the master (ah yisss), get ready to send stuffs
657 I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_TX;
660 // Enable I2C interrupt
661 I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TX;
663 // Depending on what type of transfer, the first byte is configured for R or W
664 I2C0_D = I2C_TxBufferPop();
669 // Dirty buffer, I2C already initialized
675 // LED State processing loop
676 inline uint8_t LED_scan()
688 // ----- CLI Command Functions -----
690 void cliFunc_i2cSend( char* args )
694 char* arg2Ptr = args;
696 // Buffer used after interpretting the args, will be sent to I2C functions
697 // NOTE: Limited to 8 bytes currently (can be increased if necessary
698 #define i2cSend_BuffLenMax 8
699 uint8_t buffer[ i2cSend_BuffLenMax ];
700 uint8_t bufferLen = 0;
702 // No \r\n by default after the command is entered
704 info_msg("Sending: ");
706 // Parse args until a \0 is found
707 while ( bufferLen < i2cSend_BuffLenMax )
709 curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
710 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
712 // Stop processing args if no more are found
713 if ( *arg1Ptr == '\0' )
716 // If | is found, end sequence and start new one
717 if ( *arg1Ptr == '|' )
720 I2C_Send( buffer, bufferLen, 0 );
725 // Interpret the argument
726 buffer[ bufferLen++ ] = (uint8_t)numToInt( arg1Ptr );
735 I2C_Send( buffer, bufferLen, 0 );
738 void cliFunc_i2cRecv( char* args )
742 char* arg2Ptr = args;
744 // Buffer used after interpretting the args, will be sent to I2C functions
745 // NOTE: Limited to 8 bytes currently (can be increased if necessary
746 #define i2cSend_BuffLenMax 8
747 uint8_t buffer[ i2cSend_BuffLenMax ];
748 uint8_t bufferLen = 0;
750 // No \r\n by default after the command is entered
752 info_msg("Sending: ");
754 // Parse args until a \0 is found
755 while ( bufferLen < i2cSend_BuffLenMax )
757 curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
758 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
760 // Stop processing args if no more are found
761 if ( *arg1Ptr == '\0' )
764 // If | is found, end sequence and start new one
765 if ( *arg1Ptr == '|' )
768 I2C_Send( buffer, bufferLen, 0 );
773 // Interpret the argument
774 buffer[ bufferLen++ ] = (uint8_t)numToInt( arg1Ptr );
783 I2C_Send( buffer, bufferLen, 1 ); // Only 1 byte is ever read at a time with the ISSI chip
786 void cliFunc_ledPage( char* args )
788 // Parse number from argument
789 // NOTE: Only first argument is used
792 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
794 // Default to 0 if no argument is given
797 if ( arg1Ptr[0] != '\0' )
799 page = (uint8_t)numToInt( arg1Ptr );
802 // No \r\n by default after the command is entered
805 LED_readPage( 0xB4, page );
808 void cliFunc_ledStart( char* args )
810 print( NL ); // No \r\n by default after the command is entered
811 LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
812 //LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
813 LED_writeReg( 0x0A, 0x01, 0x0B );
814 LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 );
818 void cliFunc_ledTest( char* args )
820 print( NL ); // No \r\n by default after the command is entered
821 LED_sendPage( (uint8_t*)examplePage, sizeof( examplePage ), 0 );
824 void cliFunc_ledZero( char* args )
826 print( NL ); // No \r\n by default after the command is entered
827 LED_zeroPages( 0x00, 8, 0x24, 0xB4 ); // Only PWMs