1 files changed, 119 insertions, 0 deletions
diff --git a/Marlin/src/HAL/STM32F1/pinsDebug.h b/Marlin/src/HAL/STM32F1/pinsDebug.h
new file mode 100644
index 0000000..8e7a3d8
--- /dev/null
+++ b/Marlin/src/HAL/STM32F1/pinsDebug.h
@@ -0,0 +1,119 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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/>.
+ *
+ */
+#pragma once
+
+/**
+ * Support routines for STM32GENERIC (Maple)
+ */
+
+/**
+ * Translation of routines & variables used by pinsDebug.h
+ */
+
+#ifndef BOARD_NR_GPIO_PINS  // Only in STM32GENERIC (Maple)
+   #error "Expected BOARD_NR_GPIO_PINS not found"
+#endif
+
+#include "fastio.h"
+
+extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS];
+
+#define NUM_DIGITAL_PINS BOARD_NR_GPIO_PINS
+#define NUMBER_PINS_TOTAL BOARD_NR_GPIO_PINS
+#define VALID_PIN(pin) (pin >= 0 && pin < BOARD_NR_GPIO_PINS)
+#define GET_ARRAY_PIN(p) pin_t(pin_array[p].pin)
+#define pwm_status(pin) PWM_PIN(pin)
+#define digitalRead_mod(p) extDigitalRead(p)
+#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("%3hd "), int16_t(p)); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PORT(p) print_port(p)
+#define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
+#define MULTI_NAME_PAD 21 // space needed to be pretty if not first name assigned to a pin
+
+// pins that will cause hang/reset/disconnect in M43 Toggle and Watch utilities
+#ifndef M43_NEVER_TOUCH
+  #define M43_NEVER_TOUCH(Q) (Q >= 9 && Q <= 12) // SERIAL/USB pins PA9(TX) PA10(RX)
+#endif
+
+static inline int8_t get_pin_mode(pin_t pin) {
+  return VALID_PIN(pin) ? _GET_MODE(pin) : -1;
+}
+
+static inline pin_t DIGITAL_PIN_TO_ANALOG_PIN(pin_t pin) {
+  if (!VALID_PIN(pin)) return -1;
+  int8_t adc_channel = int8_t(PIN_MAP[pin].adc_channel);
+  #ifdef NUM_ANALOG_INPUTS
+    if (adc_channel >= NUM_ANALOG_INPUTS) adc_channel = ADCx;
+  #endif
+  return pin_t(adc_channel);
+}
+
+static inline bool IS_ANALOG(pin_t pin) {
+  if (!VALID_PIN(pin)) return false;
+  if (PIN_MAP[pin].adc_channel != ADCx) {
+    #ifdef NUM_ANALOG_INPUTS
+      if (PIN_MAP[pin].adc_channel >= NUM_ANALOG_INPUTS) return false;
+    #endif
+    return _GET_MODE(pin) == GPIO_INPUT_ANALOG && !M43_NEVER_TOUCH(pin);
+  }
+  return false;
+}
+
+static inline bool GET_PINMODE(const pin_t pin) {
+  return VALID_PIN(pin) && !IS_INPUT(pin);
+}
+
+static inline bool GET_ARRAY_IS_DIGITAL(const int16_t array_pin) {
+  const pin_t pin = GET_ARRAY_PIN(array_pin);
+  return (!IS_ANALOG(pin)
+    #ifdef NUM_ANALOG_INPUTS
+      || PIN_MAP[pin].adc_channel >= NUM_ANALOG_INPUTS
+    #endif
+  );
+}
+
+#include "../../inc/MarlinConfig.h" // Allow pins/pins.h to set density
+
+static inline void pwm_details(const pin_t pin) {
+  if (PWM_PIN(pin)) {
+    timer_dev * const tdev = PIN_MAP[pin].timer_device;
+    const uint8_t channel = PIN_MAP[pin].timer_channel;
+    const char num = (
+      #if EITHER(STM32_HIGH_DENSITY, STM32_XL_DENSITY)
+        tdev == &timer8 ? '8' :
+        tdev == &timer5 ? '5' :
+      #endif
+      tdev == &timer4 ? '4' :
+      tdev == &timer3 ? '3' :
+      tdev == &timer2 ? '2' :
+      tdev == &timer1 ? '1' : '?'
+    );
+    char buffer[10];
+    sprintf_P(buffer, PSTR(" TIM%c CH%c"), num, ('0' + channel));
+    SERIAL_ECHO(buffer);
+  }
+}
+
+static inline void print_port(pin_t pin) {
+  const char port = 'A' + char(pin >> 4); // pin div 16
+  const int16_t gbit = PIN_MAP[pin].gpio_bit;
+  char buffer[8];
+  sprintf_P(buffer, PSTR("P%c%hd "), port, gbit);
+  if (gbit < 10) SERIAL_CHAR(' ');
+  SERIAL_ECHO(buffer);
+}