STM32F1 HAL

Adding files for STM32F1 HAL based on libmaple/stm32duino core. Current persistent_store uses cardreader changes to be sent in separate commit, but could be changed to use i2c eeprom.
2017-09-27 00:30:23 -05:00
parent baf0bd2b24
commit e9acb63290
23 changed files with 3349 additions and 2 deletions
--- a/Marlin/src/HAL/HAL_STM32F1/HAL_timers_Stm32f1.cpp
+++ b/Marlin/src/HAL/HAL_STM32F1/HAL_timers_Stm32f1.cpp
@@ -0,0 +1,145 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
+ *
+ * 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/>.
+ *
+ */
+
+/**
+ * HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
+ */
+
+#ifdef __STM32F1__
+
+// --------------------------------------------------------------------------
+// Includes
+// --------------------------------------------------------------------------
+
+#include "../HAL.h"
+
+#include "HAL_timers_Stm32f1.h"
+
+// --------------------------------------------------------------------------
+// Externals
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Local defines
+// --------------------------------------------------------------------------
+
+#define NUM_HARDWARE_TIMERS 4
+
+//#define PRESCALER 1
+// --------------------------------------------------------------------------
+// Types
+// --------------------------------------------------------------------------
+
+
+// --------------------------------------------------------------------------
+// Public Variables
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Private Variables
+// --------------------------------------------------------------------------
+/* VGPV
+const tTimerConfig TimerConfig [NUM_HARDWARE_TIMERS] = {
+{ TC0, 0, TC0_IRQn, 0},  // 0 - [servo timer5]
+{ TC0, 1, TC1_IRQn, 0},  // 1
+{ TC0, 2, TC2_IRQn, 0},  // 2
+{ TC1, 0, TC3_IRQn, 2},  // 3 - stepper
+{ TC1, 1, TC4_IRQn, 15}, // 4 - temperature
+{ TC1, 2, TC5_IRQn, 0},  // 5 - [servo timer3]
+{ TC2, 0, TC6_IRQn, 0},  // 6
+{ TC2, 1, TC7_IRQn, 0},  // 7
+{ TC2, 2, TC8_IRQn, 0},  // 8
+};
+*/
+// --------------------------------------------------------------------------
+// Function prototypes
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Private functions
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Public functions
+// --------------------------------------------------------------------------
+
+/*
+Timer_clock1: Prescaler 2 -> 42MHz
+Timer_clock2: Prescaler 8 -> 10.5MHz
+Timer_clock3: Prescaler 32 -> 2.625MHz
+Timer_clock4: Prescaler 128 -> 656.25kHz
+*/
+
+/**
+ * TODO: Calculate Timer prescale value, so we get the 32bit to adjust
+ */
+
+void HAL_timer_start (uint8_t timer_num, uint32_t frequency) {
+  switch (timer_num) {
+    case STEP_TIMER_NUM:
+      StepperTimer.pause();
+      StepperTimer.setCount(0);
+      StepperTimer.setPrescaleFactor(STEPPER_TIMER_PRESCALE);
+      StepperTimer.setOverflow(0xFFFF);
+      StepperTimer.setCompare (STEP_TIMER_CHAN, (HAL_STEPPER_TIMER_RATE / frequency));
+      StepperTimer.refresh();
+      StepperTimer.resume();
+      break;
+    case TEMP_TIMER_NUM:
+      TempTimer.pause();
+      TempTimer.setCount(0);
+      TempTimer.setPrescaleFactor(TEMP_TIMER_PRESCALE);
+      TempTimer.setOverflow(0xFFFF);
+      TempTimer.setCompare (TEMP_TIMER_CHAN, ((F_CPU / TEMP_TIMER_PRESCALE) / frequency));
+      TempTimer.refresh();
+      TempTimer.resume();
+      break;
+  }
+}
+
+void HAL_timer_enable_interrupt (uint8_t timer_num) {
+  switch (timer_num) {
+    case STEP_TIMER_NUM:
+      StepperTimer.attachInterrupt(STEP_TIMER_CHAN, stepTC_Handler);
+      break;
+    case TEMP_TIMER_NUM:
+      TempTimer.attachInterrupt(STEP_TIMER_CHAN, tempTC_Handler);
+      break;
+    default:
+      break;
+  }
+}
+
+void HAL_timer_disable_interrupt (uint8_t timer_num) {
+  switch (timer_num) {
+    case STEP_TIMER_NUM:
+      StepperTimer.detachInterrupt(STEP_TIMER_CHAN);
+      break;
+    case TEMP_TIMER_NUM:
+      TempTimer.detachInterrupt(STEP_TIMER_CHAN);
+      break;
+    default:
+      break;
+  }
+}
+
+#endif // __STM32F1__