You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
163 lines
4.6 KiB
163 lines
4.6 KiB
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* This program 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 program 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 program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
#ifdef TARGET_LPC1768
|
|
|
|
#include <usb/usb.h>
|
|
#include <usb/usbcfg.h>
|
|
#include <usb/usbhw.h>
|
|
#include <usb/usbcore.h>
|
|
#include <usb/cdc.h>
|
|
#include <usb/cdcuser.h>
|
|
#include <usb/mscuser.h>
|
|
#include <CDCSerial.h>
|
|
#include <usb/mscuser.h>
|
|
|
|
#include "../../inc/MarlinConfig.h"
|
|
#include "../../core/millis_t.h"
|
|
|
|
#include "../../sd/cardreader.h"
|
|
|
|
extern uint32_t MSC_SD_Init(uint8_t pdrv);
|
|
|
|
extern "C" {
|
|
#include <debug_frmwrk.h>
|
|
extern "C" int isLPC1769();
|
|
extern "C" void disk_timerproc();
|
|
}
|
|
|
|
void SysTick_Callback() { disk_timerproc(); }
|
|
|
|
TERN_(POSTMORTEM_DEBUGGING, extern void install_min_serial());
|
|
|
|
void HAL_init() {
|
|
|
|
// Init LEDs
|
|
#if PIN_EXISTS(LED)
|
|
SET_DIR_OUTPUT(LED_PIN);
|
|
WRITE_PIN_CLR(LED_PIN);
|
|
#if PIN_EXISTS(LED2)
|
|
SET_DIR_OUTPUT(LED2_PIN);
|
|
WRITE_PIN_CLR(LED2_PIN);
|
|
#if PIN_EXISTS(LED3)
|
|
SET_DIR_OUTPUT(LED3_PIN);
|
|
WRITE_PIN_CLR(LED3_PIN);
|
|
#if PIN_EXISTS(LED4)
|
|
SET_DIR_OUTPUT(LED4_PIN);
|
|
WRITE_PIN_CLR(LED4_PIN);
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
// Flash status LED 3 times to indicate Marlin has started booting
|
|
LOOP_L_N(i, 6) {
|
|
TOGGLE(LED_PIN);
|
|
delay(100);
|
|
}
|
|
#endif
|
|
|
|
// Init Servo Pins
|
|
#define INIT_SERVO(N) OUT_WRITE(SERVO##N##_PIN, LOW)
|
|
#if HAS_SERVO_0
|
|
INIT_SERVO(0);
|
|
#endif
|
|
#if HAS_SERVO_1
|
|
INIT_SERVO(1);
|
|
#endif
|
|
#if HAS_SERVO_2
|
|
INIT_SERVO(2);
|
|
#endif
|
|
#if HAS_SERVO_3
|
|
INIT_SERVO(3);
|
|
#endif
|
|
|
|
//debug_frmwrk_init();
|
|
//_DBG("\n\nDebug running\n");
|
|
// Initialize the SD card chip select pins as soon as possible
|
|
#if PIN_EXISTS(SD_SS)
|
|
OUT_WRITE(SD_SS_PIN, HIGH);
|
|
#endif
|
|
|
|
#if PIN_EXISTS(ONBOARD_SD_CS) && ONBOARD_SD_CS_PIN != SD_SS_PIN
|
|
OUT_WRITE(ONBOARD_SD_CS_PIN, HIGH);
|
|
#endif
|
|
|
|
#ifdef LPC1768_ENABLE_CLKOUT_12M
|
|
/**
|
|
* CLKOUTCFG register
|
|
* bit 8 (CLKOUT_EN) = enables CLKOUT signal. Disabled for now to prevent glitch when enabling GPIO.
|
|
* bits 7:4 (CLKOUTDIV) = set to 0 for divider setting of /1
|
|
* bits 3:0 (CLKOUTSEL) = set to 1 to select main crystal oscillator as CLKOUT source
|
|
*/
|
|
LPC_SC->CLKOUTCFG = (0<<8)|(0<<4)|(1<<0);
|
|
// set P1.27 pin to function 01 (CLKOUT)
|
|
PINSEL_CFG_Type PinCfg;
|
|
PinCfg.Portnum = 1;
|
|
PinCfg.Pinnum = 27;
|
|
PinCfg.Funcnum = 1; // function 01 (CLKOUT)
|
|
PinCfg.OpenDrain = 0; // not open drain
|
|
PinCfg.Pinmode = 2; // no pull-up/pull-down
|
|
PINSEL_ConfigPin(&PinCfg);
|
|
// now set CLKOUT_EN bit
|
|
SBI(LPC_SC->CLKOUTCFG, 8);
|
|
#endif
|
|
|
|
USB_Init(); // USB Initialization
|
|
USB_Connect(false); // USB clear connection
|
|
delay(1000); // Give OS time to notice
|
|
USB_Connect(true);
|
|
|
|
TERN_(HAS_SD_HOST_DRIVE, MSC_SD_Init(0)); // Enable USB SD card access
|
|
|
|
const millis_t usb_timeout = millis() + 2000;
|
|
while (!USB_Configuration && PENDING(millis(), usb_timeout)) {
|
|
delay(50);
|
|
HAL_idletask();
|
|
#if PIN_EXISTS(LED)
|
|
TOGGLE(LED_PIN); // Flash quickly during USB initialization
|
|
#endif
|
|
}
|
|
|
|
HAL_timer_init();
|
|
|
|
TERN_(POSTMORTEM_DEBUGGING, install_min_serial()); // Install the min serial handler
|
|
}
|
|
|
|
// HAL idle task
|
|
void HAL_idletask() {
|
|
#if HAS_SHARED_MEDIA
|
|
// If Marlin is using the SD card we need to lock it to prevent access from
|
|
// a PC via USB.
|
|
// Other HALs use IS_SD_PRINTING() and IS_SD_FILE_OPEN() to check for access but
|
|
// this will not reliably detect delete operations. To be safe we will lock
|
|
// the disk if Marlin has it mounted. Unfortunately there is currently no way
|
|
// to unmount the disk from the LCD menu.
|
|
// if (IS_SD_PRINTING() || IS_SD_FILE_OPEN())
|
|
if (card.isMounted())
|
|
MSC_Aquire_Lock();
|
|
else
|
|
MSC_Release_Lock();
|
|
#endif
|
|
// Perform USB stack housekeeping
|
|
MSC_RunDeferredCommands();
|
|
}
|
|
|
|
#endif // TARGET_LPC1768
|
|
|