aboutsummaryrefslogtreecommitdiff
path: root/Marlin/src/HAL/LPC1768/HAL.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'Marlin/src/HAL/LPC1768/HAL.cpp')
-rw-r--r--Marlin/src/HAL/LPC1768/HAL.cpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/Marlin/src/HAL/LPC1768/HAL.cpp b/Marlin/src/HAL/LPC1768/HAL.cpp
new file mode 100644
index 0000000..27aa569
--- /dev/null
+++ b/Marlin/src/HAL/LPC1768/HAL.cpp
@@ -0,0 +1,79 @@
+/**
+ * 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 "../../inc/MarlinConfig.h"
+#include "../shared/Delay.h"
+#include "../../../gcode/parser.h"
+
+#if ENABLED(USE_WATCHDOG)
+ #include "watchdog.h"
+#endif
+
+DefaultSerial USBSerial(false, UsbSerial);
+
+uint32_t HAL_adc_reading = 0;
+
+// U8glib required functions
+extern "C" {
+ void u8g_xMicroDelay(uint16_t val) { DELAY_US(val); }
+ void u8g_MicroDelay() { u8g_xMicroDelay(1); }
+ void u8g_10MicroDelay() { u8g_xMicroDelay(10); }
+ void u8g_Delay(uint16_t val) { delay(val); }
+}
+
+//************************//
+
+// return free heap space
+int freeMemory() {
+ char stack_end;
+ void *heap_start = malloc(sizeof(uint32_t));
+ if (heap_start == 0) return 0;
+
+ uint32_t result = (uint32_t)&stack_end - (uint32_t)heap_start;
+ free(heap_start);
+ return result;
+}
+
+// scan command line for code
+// return index into pin map array if found and the pin is valid.
+// return dval if not found or not a valid pin.
+int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
+ const uint16_t val = (uint16_t)parser.intval(code, -1), port = val / 100, pin = val % 100;
+ const int16_t ind = (port < ((NUM_DIGITAL_PINS) >> 5) && pin < 32) ? ((port << 5) | pin) : -2;
+ return ind > -1 ? ind : dval;
+}
+
+void flashFirmware(const int16_t) { NVIC_SystemReset(); }
+
+void HAL_clear_reset_source(void) {
+ TERN_(USE_WATCHDOG, watchdog_clear_timeout_flag());
+}
+
+uint8_t HAL_get_reset_source(void) {
+ #if ENABLED(USE_WATCHDOG)
+ if (watchdog_timed_out()) return RST_WATCHDOG;
+ #endif
+ return RST_POWER_ON;
+}
+
+#endif // TARGET_LPC1768