Firmware2/Marlin/src/HAL/HAL_LPC1768/main.cpp

171 lines
4.8 KiB
C++
Raw Normal View History

/**
* Marlin 3D Printer Firmware
2019-06-28 06:57:50 +02:00
* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
2019-06-28 06:57:50 +02:00
* 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 <http://www.gnu.org/licenses/>.
*
*/
2017-06-17 23:19:42 +02:00
#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>
extern "C" {
#include <debug_frmwrk.h>
}
2017-06-17 23:19:42 +02:00
#include "../../sd/cardreader.h"
#include "../../inc/MarlinConfig.h"
#include "HAL.h"
2017-06-17 23:19:42 +02:00
#include "HAL_timers.h"
extern uint32_t MSC_SD_Init(uint8_t pdrv);
extern "C" int isLPC1769();
extern "C" void disk_timerproc(void);
2019-07-09 07:30:08 +02:00
void SysTick_Callback() { disk_timerproc(); }
2019-06-27 23:29:17 +02:00
void HAL_init(void) {
2019-06-27 23:29:17 +02:00
// Init LEDs
#if PIN_EXISTS(LED)
SET_DIR_OUTPUT(LED_PIN);
WRITE_PIN_CLR(LED_PIN);
#if PIN_EXISTS(LED2)
2018-10-18 18:29:49 +02:00
SET_DIR_OUTPUT(LED2_PIN);
WRITE_PIN_CLR(LED2_PIN);
#if PIN_EXISTS(LED3)
2018-10-18 18:29:49 +02:00
SET_DIR_OUTPUT(LED3_PIN);
WRITE_PIN_CLR(LED3_PIN);
#if PIN_EXISTS(LED4)
2018-10-18 18:29:49 +02:00
SET_DIR_OUTPUT(LED4_PIN);
WRITE_PIN_CLR(LED4_PIN);
#endif
#endif
#endif
2018-10-18 18:29:49 +02:00
// Flash status LED 3 times to indicate Marlin has started booting
for (uint8_t i = 0; i < 6; ++i) {
TOGGLE(LED_PIN);
delay(100);
}
#endif
2019-06-27 23:29:17 +02:00
// Init Servo Pins
2019-07-12 11:53:26 +02:00
#define INIT_SERVO(N) OUT_WRITE(SERVO##N##_PIN, LOW)
#if HAS_SERVO_0
2019-07-12 11:53:26 +02:00
INIT_SERVO(0);
2019-06-27 23:29:17 +02:00
#endif
#if HAS_SERVO_1
2019-07-12 11:53:26 +02:00
INIT_SERVO(1);
2019-06-27 23:29:17 +02:00
#endif
#if HAS_SERVO_2
2019-07-12 11:53:26 +02:00
INIT_SERVO(2);
2019-06-27 23:29:17 +02:00
#endif
#if HAS_SERVO_3
2019-07-12 11:53:26 +02:00
INIT_SERVO(3);
2019-06-27 23:29:17 +02:00
#endif
//debug_frmwrk_init();
//_DBG("\n\nDebug running\n");
// Initialise the SD card chip select pins as soon as possible
#if PIN_EXISTS(SS)
2019-06-15 21:57:42 +02:00
OUT_WRITE(SS_PIN, HIGH);
#endif
#if PIN_EXISTS(ONBOARD_SD_CS) && ONBOARD_SD_CS_PIN != SS_PIN
OUT_WRITE(ONBOARD_SD_CS_PIN, HIGH);
#endif
2019-07-09 07:30:08 +02:00
#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
LPC_SC->CLKOUTCFG |= (1<<8);
#endif
USB_Init(); // USB Initialization
USB_Connect(FALSE); // USB clear connection
delay(1000); // Give OS time to notice
USB_Connect(TRUE);
#if !BOTH(SHARED_SD_CARD, INIT_SDCARD_ON_BOOT) && DISABLED(NO_SD_HOST_DRIVE)
MSC_SD_Init(0); // Enable USB SD card access
#endif
2018-10-21 06:21:27 +02:00
const millis_t usb_timeout = millis() + 2000;
2017-11-18 09:08:03 +01:00
while (!USB_Configuration && PENDING(millis(), usb_timeout)) {
2017-06-17 23:19:42 +02:00
delay(50);
HAL_idletask();
#if PIN_EXISTS(LED)
2018-08-23 00:14:38 +02:00
TOGGLE(LED_PIN); // Flash quickly during USB initialization
#endif
2017-06-17 23:19:42 +02:00
}
2017-11-05 15:49:38 +01:00
#if NUM_SERIAL > 0
MYSERIAL0.begin(BAUDRATE);
#if NUM_SERIAL > 1
MYSERIAL1.begin(BAUDRATE);
#endif
2018-08-23 00:14:38 +02:00
SERIAL_PRINTF("\n\necho:%s (%dMhz) Initialized\n", isLPC1769() ? "LPC1769" : "LPC1768", SystemCoreClock / 1000000);
2017-11-05 15:49:38 +01:00
SERIAL_FLUSHTX();
#endif
2017-06-17 23:19:42 +02:00
HAL_timer_init();
}
// HAL idle task
void HAL_idletask(void) {
#if ENABLED(SHARED_SD_CARD)
// If Marlin is using the SD card we need to lock it to prevent access from
// a PC via USB.
2018-10-19 20:52:44 +02:00
// 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. Unfortuately there is currently no way
// to unmount the disk from the LCD menu.
2018-10-19 20:52:44 +02:00
// if (IS_SD_PRINTING() || IS_SD_FILE_OPEN())
2019-01-12 03:42:11 +01:00
if (card.isDetected())
MSC_Aquire_Lock();
else
MSC_Release_Lock();
#endif
// Perform USB stack housekeeping
MSC_RunDeferredCommands();
}
2017-06-17 23:19:42 +02:00
#endif // TARGET_LPC1768