707 lines
17 KiB
C
707 lines
17 KiB
C
/* Copyright (C) 2014-2015 by Jacob Alexander
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*
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* This file is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this file. If not, see <http://www.gnu.org/licenses/>.
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*/
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// ----- Includes -----
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// Compiler Includes
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#include <Lib/ScanLib.h>
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// Project Includes
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#include <cli.h>
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#include <led.h>
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#include <print.h>
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// Local Includes
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#include "led_scan.h"
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// ----- Defines -----
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#define I2C_TxBufferLength 300
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#define I2C_RxBufferLength 8
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#define LED_BufferLength 144
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// ----- Structs -----
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typedef struct I2C_Buffer {
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uint16_t head;
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uint16_t tail;
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uint8_t sequencePos;
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uint16_t size;
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uint8_t *buffer;
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} I2C_Buffer;
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typedef struct LED_Buffer {
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uint8_t buffer[LED_BufferLength];
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} LED_Buffer;
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// ----- Function Declarations -----
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// CLI Functions
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void cliFunc_echo( char* args );
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void cliFunc_i2cRecv( char* args );
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void cliFunc_i2cSend( char* args );
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void cliFunc_ledTest( char* args );
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void cliFunc_ledZero( char* args );
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uint8_t I2C_TxBufferPop();
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void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer );
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uint16_t I2C_BufferLen( I2C_Buffer *buffer );
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uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen );
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// ----- Variables -----
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// Scan Module command dictionary
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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." );
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CLIDict_Entry( i2cSend, "Send I2C sequence of bytes. Use |'s to split sequences with a stop." );
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CLIDict_Entry( ledTest, "Test out the led pages." );
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CLIDict_Entry( ledZero, "Zero out LED register pages (non-configuration)." );
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CLIDict_Def( ledCLIDict, "ISSI LED Module Commands" ) = {
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CLIDict_Item( i2cRecv ),
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CLIDict_Item( i2cSend ),
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CLIDict_Item( ledTest ),
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CLIDict_Item( ledZero ),
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{ 0, 0, 0 } // Null entry for dictionary end
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};
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// Before sending the sequence, I2C_TxBuffer_CurLen is assigned and as each byte is sent, it is decremented
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// Once I2C_TxBuffer_CurLen reaches zero, a STOP on the I2C bus is sent
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volatile uint8_t I2C_TxBufferPtr[ I2C_TxBufferLength ];
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volatile uint8_t I2C_RxBufferPtr[ I2C_TxBufferLength ];
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volatile I2C_Buffer I2C_TxBuffer = { 0, 0, 0, I2C_TxBufferLength, (uint8_t*)I2C_TxBufferPtr };
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volatile I2C_Buffer I2C_RxBuffer = { 0, 0, 0, I2C_RxBufferLength, (uint8_t*)I2C_RxBufferPtr };
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LED_Buffer LED_pageBuffer;
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// A bit mask determining which LEDs are enabled in the ISSI chip
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// 0x00 -> 0x11
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const uint8_t LED_ledEnableMask[] = {
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0xE8, // I2C address
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0x00, // Starting register address
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0xFF, 0xFF, // C1-1 -> C1-16
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0xFF, 0xFF, // C2-1 -> C2-16
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0xFF, 0xFF, // C3-1 -> C3-16
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0xFF, 0xFF, // C4-1 -> C4-16
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0xFF, 0xFF, // C5-1 -> C5-16
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0xFF, 0xFF, // C6-1 -> C6-16
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0xFF, 0xFF, // C7-1 -> C7-16
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0xFF, 0xFF, // C8-1 -> C8-16
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0xFF, 0xFF, // C9-1 -> C9-16
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};
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// XXX Pre-fill example of buffers
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const uint8_t examplePage[] = {
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0xE8, // I2C address
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0x24, // Starting register address
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, // C1-1 -> C1-16
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, // C2-1 -> C2-16
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, // C3-1 -> C3-16
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, // C4-1 -> C4-16
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, // C5-1 -> C5-16
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, // C6-1 -> C6-16
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, // C7-1 -> C7-16
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0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, // C8-1 -> C8-16
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, // C9-1 -> C9-16
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};
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// ----- Interrupt Functions -----
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void i2c0_isr()
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{
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cli(); // Disable Interrupts
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uint8_t status = I2C0_S; // Read I2C Bus status
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// Master Mode Transmit
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if ( I2C0_C1 & I2C_C1_TX )
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{
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// Check current use of the I2C bus
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// Currently sending data
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if ( I2C_TxBuffer.sequencePos > 0 )
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{
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// Make sure slave sent an ACK
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if ( status & I2C_S_RXAK )
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{
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// NACK Detected, disable interrupt
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erro_print("I2C NAK detected...");
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I2C0_C1 = I2C_C1_IICEN;
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// Abort Tx Buffer
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I2C_TxBuffer.head = 0;
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I2C_TxBuffer.tail = 0;
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I2C_TxBuffer.sequencePos = 0;
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}
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else
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{
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// Transmit byte
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I2C0_D = I2C_TxBufferPop();
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}
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}
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// Receiving data
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else if ( I2C_RxBuffer.sequencePos > 0 )
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{
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// Master Receive, addr sent
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if ( status & I2C_S_ARBL )
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{
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// Arbitration Lost
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erro_print("Arbitration lost...");
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// TODO Abort Rx
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I2C0_C1 = I2C_C1_IICEN;
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I2C0_S = I2C_S_ARBL | I2C_S_IICIF; // Clear ARBL flag and interrupt
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}
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if ( status & I2C_S_RXAK )
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{
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// Slave Address NACK Detected, disable interrupt
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erro_print("Slave Address I2C NAK detected...");
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// TODO Abort Rx
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I2C0_C1 = I2C_C1_IICEN;
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}
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else
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{
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dbug_print("Attempting to read byte");
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I2C0_C1 = I2C_RxBuffer.sequencePos == 1
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? I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TXAK // Single byte read
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: I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST; // Multi-byte read
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}
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}
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else
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{
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/*
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dbug_msg("STOP - ");
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printHex( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) );
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print(NL);
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*/
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// Delay around STOP to make sure it actually happens...
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delayMicroseconds( 1 );
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I2C0_C1 = I2C_C1_IICEN; // Send STOP
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delayMicroseconds( 7 );
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// If there is another sequence, start sending
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if ( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) < I2C_TxBuffer.size )
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{
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// Clear status flags
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I2C0_S = I2C_S_IICIF | I2C_S_ARBL;
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// Wait...till the master dies
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while ( I2C0_S & I2C_S_BUSY );
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// Enable I2C interrupt
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I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TX;
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// Transmit byte
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I2C0_D = I2C_TxBufferPop();
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}
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}
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}
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// Master Mode Receive
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else
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{
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// XXX Do we need to handle 2nd last byte?
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//I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TXAK; // No STOP, Rx, NAK on recv
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// Last byte
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if ( I2C_TxBuffer.sequencePos <= 1 )
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{
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// Change to Tx mode
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I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_TX;
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// Grab last byte
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I2C_BufferPush( I2C0_D, (I2C_Buffer*)&I2C_RxBuffer );
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delayMicroseconds( 1 ); // Should be enough time before issuing the stop
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I2C0_C1 = I2C_C1_IICEN; // Send STOP
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}
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else
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{
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// Retrieve data
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I2C_BufferPush( I2C0_D, (I2C_Buffer*)&I2C_RxBuffer );
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}
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}
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I2C0_S = I2C_S_IICIF; // Clear interrupt
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sei(); // Re-enable Interrupts
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}
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// ----- Functions -----
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inline void I2C_setup()
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{
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// Enable I2C internal clock
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SIM_SCGC4 |= SIM_SCGC4_I2C0; // Bus 0
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// External pull-up resistor
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PORTB_PCR0 = PORT_PCR_ODE | PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(2);
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PORTB_PCR1 = PORT_PCR_ODE | PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(2);
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// SCL Frequency Divider
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// 400kHz -> 120 (0x85) @ 48 MHz F_BUS
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I2C0_F = 0x85;
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I2C0_FLT = 4;
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I2C0_C1 = I2C_C1_IICEN;
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I2C0_C2 = I2C_C2_HDRS; // High drive select
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//},
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// Enable I2C Interrupt
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NVIC_ENABLE_IRQ( IRQ_I2C0 );
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}
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void LED_zeroPages( uint8_t startPage, uint8_t numPages, uint8_t startReg, uint8_t endReg )
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{
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// Page Setup
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uint8_t pageSetup[] = { 0xE8, 0xFD, 0x00 };
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// Max length of a page + chip id + reg start
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uint8_t fullPage[ 0xB4 + 2 ] = { 0 }; // Max size of page
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fullPage[0] = 0xE8; // Set chip id
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fullPage[1] = startReg; // Set start reg
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// Iterate through given pages, zero'ing out the given register regions
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for ( uint8_t page = startPage; page < startPage + numPages; page++ )
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{
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// Set page
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pageSetup[2] = page;
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// Setup page
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while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
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delay(1);
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// Zero out page
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while ( I2C_Send( fullPage, endReg - startReg + 2, 0 ) == 0 )
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delay(1);
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}
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}
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void LED_sendPage( uint8_t *buffer, uint8_t len, uint8_t page )
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{
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// Page Setup
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uint8_t pageSetup[] = { 0xE8, 0xFD, page };
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// Setup page
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while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
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delay(1);
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// Write page to I2C Tx Buffer
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while ( I2C_Send( buffer, len, 0 ) == 0 )
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delay(1);
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}
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void LED_writeReg( uint8_t reg, uint8_t val, uint8_t page )
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{
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// Page Setup
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uint8_t pageSetup[] = { 0xE8, 0xFD, page };
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// Reg Write Setup
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uint8_t writeData[] = { 0xE8, reg, val };
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// Setup page
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while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
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delay(1);
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while ( I2C_Send( writeData, sizeof( writeData ), 0 ) == 0 )
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delay(1);
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}
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// Setup
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inline void LED_setup()
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{
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// Register Scan CLI dictionary
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CLI_registerDictionary( ledCLIDict, ledCLIDictName );
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// Initialize I2C
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I2C_setup();
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// Zero out Frame Registers
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// This needs to be done before disabling the hardware shutdown (or the leds will do undefined things)
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LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
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// Disable Hardware shutdown of ISSI chip (pull high)
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GPIOD_PDDR |= (1<<1);
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PORTD_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOD_PSOR |= (1<<1);
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// Clear LED Pages
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LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
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// Enable LEDs based upon mask
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LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 );
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// Disable Software shutdown of ISSI chip
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LED_writeReg( 0x0A, 0x01, 0x0B );
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}
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inline uint8_t I2C_BufferCopy( uint8_t *data, uint8_t sendLen, uint8_t recvLen, I2C_Buffer *buffer )
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{
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uint8_t reTurn = 0;
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// If sendLen is greater than buffer fail right away
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if ( sendLen > buffer->size )
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return 0;
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// Calculate new tail to determine if buffer has enough space
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// The first element specifies the expected number of bytes from the slave (+1)
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// The second element in the new buffer is the length of the buffer sequence (+1)
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uint16_t newTail = buffer->tail + sendLen + 2;
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if ( newTail >= buffer->size )
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newTail -= buffer->size;
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if ( I2C_BufferLen( buffer ) < sendLen + 2 )
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return 0;
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/*
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print("|");
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printHex( sendLen + 2 );
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print("|");
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printHex( *tail );
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print("@");
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printHex( newTail );
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print("@");
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*/
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// If buffer is clean, return 1, otherwise 2
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reTurn = buffer->head == buffer->tail ? 1 : 2;
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// Add to buffer, already know there is enough room (simplifies adding logic)
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uint8_t bufferHeaderPos = 0;
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for ( uint16_t c = 0; c < sendLen; c++ )
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{
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// Add data to buffer
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switch ( bufferHeaderPos )
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{
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case 0:
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buffer->buffer[ buffer->tail ] = recvLen;
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bufferHeaderPos++;
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c--;
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break;
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case 1:
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buffer->buffer[ buffer->tail ] = sendLen;
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bufferHeaderPos++;
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c--;
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break;
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default:
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buffer->buffer[ buffer->tail ] = data[ c ];
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break;
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}
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// Check for wrap-around case
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if ( buffer->tail + 1 >= buffer->size )
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{
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buffer->tail = 0;
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}
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// Normal case
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else
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{
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buffer->tail++;
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}
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}
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return reTurn;
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}
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inline uint16_t I2C_BufferLen( I2C_Buffer *buffer )
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{
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// Tail >= Head
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if ( buffer->tail >= buffer->head )
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return buffer->head + buffer->size - buffer->tail;
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// Head > Tail
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return buffer->head - buffer->tail;
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}
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void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer )
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{
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// Make sure buffer isn't full
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if ( buffer->tail + 1 == buffer->head || ( buffer->head > buffer->tail && buffer->tail + 1 - buffer->size == buffer->head ) )
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{
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warn_msg("I2C_BufferPush failed, buffer full: ");
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printHex( byte );
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print( NL );
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return;
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}
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// Check for wrap-around case
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if ( buffer->tail + 1 >= buffer->size )
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{
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buffer->tail = 0;
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}
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// Normal case
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else
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{
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buffer->tail++;
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}
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// Add byte to buffer
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buffer->buffer[ buffer->tail ] = byte;
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}
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uint8_t I2C_TxBufferPop()
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{
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// Return 0xFF if no buffer left (do not rely on this)
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if ( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) >= I2C_TxBuffer.size )
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{
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erro_msg("No buffer to pop an entry from... ");
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|
printHex( I2C_TxBuffer.head );
|
|
print(" ");
|
|
printHex( I2C_TxBuffer.tail );
|
|
print(" ");
|
|
printHex( I2C_TxBuffer.sequencePos );
|
|
print(NL);
|
|
return 0xFF;
|
|
}
|
|
|
|
// If there is currently no sequence being sent, the first entry in the RingBuffer is the length
|
|
if ( I2C_TxBuffer.sequencePos == 0 )
|
|
{
|
|
I2C_TxBuffer.sequencePos = 0xFF; // So this doesn't become an infinite loop
|
|
I2C_RxBuffer.sequencePos = I2C_TxBufferPop();
|
|
I2C_TxBuffer.sequencePos = I2C_TxBufferPop();
|
|
}
|
|
|
|
uint8_t data = I2C_TxBuffer.buffer[ I2C_TxBuffer.head ];
|
|
|
|
// Prune head
|
|
I2C_TxBuffer.head++;
|
|
|
|
// Wrap-around case
|
|
if ( I2C_TxBuffer.head >= I2C_TxBuffer.size )
|
|
I2C_TxBuffer.head = 0;
|
|
|
|
// Decrement buffer sequence (until next stop will be sent)
|
|
I2C_TxBuffer.sequencePos--;
|
|
|
|
/*
|
|
dbug_msg("Popping: ");
|
|
printHex( data );
|
|
print(" ");
|
|
printHex( I2C_TxBuffer.head );
|
|
print(" ");
|
|
printHex( I2C_TxBuffer.tail );
|
|
print(" ");
|
|
printHex( I2C_TxBuffer.sequencePos );
|
|
print(NL);
|
|
*/
|
|
return data;
|
|
}
|
|
|
|
|
|
uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen )
|
|
{
|
|
// Check head and tail pointers
|
|
// If full, return 0
|
|
// If empty, start up I2C Master Tx
|
|
// If buffer is non-empty and non-full, just append to the buffer
|
|
switch ( I2C_BufferCopy( data, sendLen, recvLen, (I2C_Buffer*)&I2C_TxBuffer ) )
|
|
{
|
|
// Not enough buffer space...
|
|
case 0:
|
|
/*
|
|
erro_msg("Not enough Tx buffer space... ");
|
|
printHex( I2C_TxBuffer.head );
|
|
print(":");
|
|
printHex( I2C_TxBuffer.tail );
|
|
print("+");
|
|
printHex( sendLen );
|
|
print("|");
|
|
printHex( I2C_TxBuffer.size );
|
|
print( NL );
|
|
*/
|
|
return 0;
|
|
|
|
// Empty buffer, initialize I2C
|
|
case 1:
|
|
// Clear status flags
|
|
I2C0_S = I2C_S_IICIF | I2C_S_ARBL;
|
|
|
|
// Check to see if we already have control of the bus
|
|
if ( I2C0_C1 & I2C_C1_MST )
|
|
{
|
|
// Already the master (ah yeah), send a repeated start
|
|
I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_RSTA | I2C_C1_TX;
|
|
}
|
|
// Otherwise, seize control
|
|
else
|
|
{
|
|
// Wait...till the master dies
|
|
while ( I2C0_S & I2C_S_BUSY );
|
|
|
|
// Now we're the master (ah yisss), get ready to send stuffs
|
|
I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_TX;
|
|
}
|
|
|
|
// Enable I2C interrupt
|
|
I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TX;
|
|
|
|
// Depending on what type of transfer, the first byte is configured for R or W
|
|
I2C0_D = I2C_TxBufferPop();
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Dirty buffer, I2C already initialized
|
|
return 2;
|
|
}
|
|
|
|
|
|
|
|
// LED State processing loop
|
|
inline uint8_t LED_scan()
|
|
{
|
|
|
|
// I2C Busy
|
|
// S & I2C_S_BUSY
|
|
//I2C_S_BUSY
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
// ----- CLI Command Functions -----
|
|
|
|
void cliFunc_i2cSend( char* args )
|
|
{
|
|
char* curArgs;
|
|
char* arg1Ptr;
|
|
char* arg2Ptr = args;
|
|
|
|
// Buffer used after interpretting the args, will be sent to I2C functions
|
|
// NOTE: Limited to 8 bytes currently (can be increased if necessary
|
|
#define i2cSend_BuffLenMax 8
|
|
uint8_t buffer[ i2cSend_BuffLenMax ];
|
|
uint8_t bufferLen = 0;
|
|
|
|
// No \r\n by default after the command is entered
|
|
print( NL );
|
|
info_msg("Sending: ");
|
|
|
|
// Parse args until a \0 is found
|
|
while ( bufferLen < i2cSend_BuffLenMax )
|
|
{
|
|
curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
|
|
CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
|
|
|
|
// Stop processing args if no more are found
|
|
if ( *arg1Ptr == '\0' )
|
|
break;
|
|
|
|
// If | is found, end sequence and start new one
|
|
if ( *arg1Ptr == '|' )
|
|
{
|
|
print("| ");
|
|
I2C_Send( buffer, bufferLen, 0 );
|
|
bufferLen = 0;
|
|
continue;
|
|
}
|
|
|
|
// Interpret the argument
|
|
buffer[ bufferLen++ ] = (uint8_t)numToInt( arg1Ptr );
|
|
|
|
// Print out the arg
|
|
dPrint( arg1Ptr );
|
|
print(" ");
|
|
}
|
|
|
|
print( NL );
|
|
|
|
I2C_Send( buffer, bufferLen, 0 );
|
|
}
|
|
|
|
void cliFunc_i2cRecv( char* args )
|
|
{
|
|
char* curArgs;
|
|
char* arg1Ptr;
|
|
char* arg2Ptr = args;
|
|
|
|
// Buffer used after interpretting the args, will be sent to I2C functions
|
|
// NOTE: Limited to 8 bytes currently (can be increased if necessary
|
|
#define i2cSend_BuffLenMax 8
|
|
uint8_t buffer[ i2cSend_BuffLenMax ];
|
|
uint8_t bufferLen = 0;
|
|
|
|
// No \r\n by default after the command is entered
|
|
print( NL );
|
|
info_msg("Sending: ");
|
|
|
|
// Parse args until a \0 is found
|
|
while ( bufferLen < i2cSend_BuffLenMax )
|
|
{
|
|
curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
|
|
CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
|
|
|
|
// Stop processing args if no more are found
|
|
if ( *arg1Ptr == '\0' )
|
|
break;
|
|
|
|
// If | is found, end sequence and start new one
|
|
if ( *arg1Ptr == '|' )
|
|
{
|
|
print("| ");
|
|
I2C_Send( buffer, bufferLen, 0 );
|
|
bufferLen = 0;
|
|
continue;
|
|
}
|
|
|
|
// Interpret the argument
|
|
buffer[ bufferLen++ ] = (uint8_t)numToInt( arg1Ptr );
|
|
|
|
// Print out the arg
|
|
dPrint( arg1Ptr );
|
|
print(" ");
|
|
}
|
|
|
|
print( NL );
|
|
|
|
I2C_Send( buffer, bufferLen, 1 ); // Only 1 byte is ever read at a time with the ISSI chip
|
|
}
|
|
|
|
void cliFunc_ledTest( char* args )
|
|
{
|
|
print( NL ); // No \r\n by default after the command is entered
|
|
LED_sendPage( (uint8_t*)examplePage, sizeof( examplePage ), 0 );
|
|
}
|
|
|
|
void cliFunc_ledZero( char* args )
|
|
{
|
|
print( NL ); // No \r\n by default after the command is entered
|
|
LED_zeroPages( 0x00, 8, 0x24, 0xB4 ); // Only PWMs
|
|
}
|
|
|