From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit
---
Marlin/src/HAL/LPC1768/main.cpp | 161 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 161 insertions(+)
create mode 100644 Marlin/src/HAL/LPC1768/main.cpp
(limited to 'Marlin/src/HAL/LPC1768/main.cpp')
diff --git a/Marlin/src/HAL/LPC1768/main.cpp b/Marlin/src/HAL/LPC1768/main.cpp
new file mode 100644
index 0000000..f41a576
--- /dev/null
+++ b/Marlin/src/HAL/LPC1768/main.cpp
@@ -0,0 +1,161 @@
+/**
+ * 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 .
+ *
+ */
+#ifdef TARGET_LPC1768
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#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
+ extern "C" int isLPC1769();
+ extern "C" void disk_timerproc();
+}
+
+void SysTick_Callback() { disk_timerproc(); }
+
+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
+ 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 HAS_SD_HOST_DRIVE
+ MSC_SD_Init(0); // Enable USB SD card access
+ #endif
+
+ 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();
+}
+
+// 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
--
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