Merge pull request MarlinFirmware#8227 from tcm0116/2.0.x-pin_mapping

LPC1768: updates to use the new pin_t typedef

Marlin/src/HAL/HAL_LPC1768/LPC1768_PWM.cpp

@@ -90,7 +90,7 @@ typedef struct {            // holds all data needed to control/init one of the
 
 #define MICRO_MAX 0xffffffff
 
-#define PWM_MAP_INIT_ROW {0, 0xff, 0, 0, 0, 0, MICRO_MAX, 0, 0, 0, 0, 0, 0, 0, 0}
+#define PWM_MAP_INIT_ROW {0, P_NC, 0, 0, 0, 0, MICRO_MAX, 0, 0, 0, 0, 0, 0, 0, 0}
 #define PWM_MAP_INIT {PWM_MAP_INIT_ROW,\
                       PWM_MAP_INIT_ROW,\
                       PWM_MAP_INIT_ROW,\
@@ -234,12 +234,12 @@ typedef struct {                        // status of PWM1 channel
 MR_map map_MR[NUM_PWMS];
 
 void LPC1768_PWM_update_map_MR(void) {
-  map_MR[0] = {0, (uint8_t) (LPC_PWM1->PCR & _BV(8 + pin_4_PWM_channel)  ? 1 : 0),  4, &LPC_PWM1->MR1, 0, 0};
-  map_MR[1] = {0, (uint8_t) (LPC_PWM1->PCR & _BV(8 + pin_11_PWM_channel) ? 1 : 0), 11, &LPC_PWM1->MR2, 0, 0};
-  map_MR[2] = {0, (uint8_t) (LPC_PWM1->PCR & _BV(8 + pin_6_PWM_channel)  ? 1 : 0),  6, &LPC_PWM1->MR3, 0, 0};
-  map_MR[3] = {0, 0,  0, &LPC_PWM1->MR4, 0, 0};
-  map_MR[4] = {0, 0,  0, &LPC_PWM1->MR5, 0, 0};
-  map_MR[5] = {0, 0,  0, &LPC_PWM1->MR6, 0, 0};
+  map_MR[0] = {0, (uint8_t) (LPC_PWM1->PCR & _BV(8 + pin_4_PWM_channel)  ? 1 : 0), P1_18, &LPC_PWM1->MR1, 0, 0};
+  map_MR[1] = {0, (uint8_t) (LPC_PWM1->PCR & _BV(8 + pin_11_PWM_channel) ? 1 : 0), P1_20, &LPC_PWM1->MR2, 0, 0};
+  map_MR[2] = {0, (uint8_t) (LPC_PWM1->PCR & _BV(8 + pin_6_PWM_channel)  ? 1 : 0), P1_21, &LPC_PWM1->MR3, 0, 0};
+  map_MR[3] = {0, 0, P_NC, &LPC_PWM1->MR4, 0, 0};
+  map_MR[4] = {0, 0, P_NC, &LPC_PWM1->MR5, 0, 0};
+  map_MR[5] = {0, 0, P_NC, &LPC_PWM1->MR6, 0, 0};
 }
 
 
@@ -384,6 +384,8 @@ bool LPC1768_PWM_detach_pin(pin_t pin) {
       map_MR[pin_4_PWM_channel - 1].PINSEL3_bits =  0;
       map_MR[pin_4_PWM_channel - 1].map_PWM_INT = 0;                // 0 - available for interrupts, 1 - in use by PWM
       break;
+    default:
+      break;
   }
 
   pinMode(pin, INPUT);
@@ -506,4 +508,3 @@ return;
  *             NOTE - PCR must be set before PINSEL
  *          sets the pins controlled by the ISR to their active states
  */
-

Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.cpp

@@ -212,7 +212,7 @@ extern "C" void intWrapper() {
 //
 // Constructor
 //
-SoftwareSerial::SoftwareSerial(uint8_t receivePin, uint8_t transmitPin, bool inverse_logic /* = false */) :
+SoftwareSerial::SoftwareSerial(pin_t receivePin, pin_t transmitPin, bool inverse_logic /* = false */) :
   _rx_delay_centering(0),
   _rx_delay_intrabit(0),
   _rx_delay_stopbit(0),
@@ -233,7 +233,7 @@ SoftwareSerial::~SoftwareSerial()
   end();
 }
 
-void SoftwareSerial::setTX(uint8_t tx)
+void SoftwareSerial::setTX(pin_t tx)
 {
   // First write, then set output. If we do this the other way around,
   // the pin would be output low for a short while before switching to
@@ -246,7 +246,7 @@ void SoftwareSerial::setTX(uint8_t tx)
 
 }
 
-void SoftwareSerial::setRX(uint8_t rx)
+void SoftwareSerial::setRX(pin_t rx)
 {
   pinMode(rx, INPUT_PULLUP); // pullup for normal logic!
   //if (!_inverse_logic)

Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.h

@@ -48,8 +48,8 @@ class SoftwareSerial : public Stream
 {
 private:
   // per object data
-  uint8_t _receivePin;
-  uint8_t _transmitPin;
+  pin_t _receivePin;
+  pin_t _transmitPin;
 //  uint32_t _receiveBitMask; // for rx interrupts
   uint32_t _receivePort;
   uint32_t _receivePortPin;
@@ -74,8 +74,8 @@ class SoftwareSerial : public Stream
   void recv();
   uint32_t rx_pin_read();
   void tx_pin_write(uint8_t pin_state);
-  void setTX(uint8_t transmitPin);
-  void setRX(uint8_t receivePin);
+  void setTX(pin_t transmitPin);
+  void setRX(pin_t receivePin);
   void setRxIntMsk(bool enable);
 
   // private static method for timing
@@ -84,7 +84,7 @@ class SoftwareSerial : public Stream
 public:
   // public methods
 
-  SoftwareSerial(uint8_t receivePin, uint8_t transmitPin, bool inverse_logic = false);
+  SoftwareSerial(pin_t receivePin, pin_t transmitPin, bool inverse_logic = false);
   ~SoftwareSerial();
   void begin(long speed);
   bool listen();

Marlin/src/HAL/HAL_LPC1768/WInterrupts.cpp

@@ -45,7 +45,7 @@ static void __initialize() {
   NVIC_EnableIRQ(EINT3_IRQn);
 }
 
-void attachInterrupt(const uint32_t pin, void (*callback)(void), uint32_t mode) {
+void attachInterrupt(const pin_t pin, void (*callback)(void), uint32_t mode) {
   static int enabled = 0;
 
   if (!INTERRUPT_PIN(pin)) return;
@@ -66,7 +66,7 @@ void attachInterrupt(const uint32_t pin, void (*callback)(void), uint32_t mode)
   GpioEnableInt(myport,mypin,mode);
 }
 
-void detachInterrupt(const uint32_t pin) {
+void detachInterrupt(const pin_t pin) {
   if (!INTERRUPT_PIN(pin)) return;
 
   const uint8_t myport = LPC1768_PIN_PORT(pin),

Marlin/src/HAL/HAL_LPC1768/pinmapping.h

@@ -103,6 +103,8 @@ constexpr int8_t LPC1768_PIN_ADC(const pin_t pin) { return (int8_t)((pin >> 10)
 // ******************
 // Runtime pinmapping
 // ******************
+#define P_NC   -1
+
 #if SERIAL_PORT != 3
   #define P0_0   LPC1768_PIN(PORT(0), PIN(0), INTERRUPT(1), PWM(0), ADC_NONE)
   #define P0_1   LPC1768_PIN(PORT(0), PIN(1), INTERRUPT(1), PWM(0), ADC_NONE)
@@ -231,7 +233,7 @@ constexpr pin_t adc_pin_table[] = {
 };
 
 constexpr pin_t analogInputToDigitalPin(const uint8_t p) {
-  return (p < COUNT(adc_pin_table) ? adc_pin_table[p] : -1);
+  return (p < COUNT(adc_pin_table) ? adc_pin_table[p] : P_NC);
 }
 
 constexpr int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t p) {

Marlin/src/HAL/HAL_LPC1768/watchdog.cpp

@@ -43,7 +43,9 @@ uint8_t HAL_get_reset_source(void) {
 
 void watchdog_reset() {
   WDT_Feed();
-  TOGGLE(13); // heart beat indicator on Pin13
+  #if PIN_EXISTS(LED)
+    TOGGLE(LED_PIN);  // heart beat indicator
+  #endif
 }
 
 #endif // TARGET_LPC1768

frameworks/CMSIS/LPC1768/lib/LiquidCrystal.cpp

@@ -24,35 +24,35 @@
 // can't assume that its in that state when a sketch starts (and the
 // LiquidCrystal constructor is called).
 
-LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
-			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
-			     uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
+LiquidCrystal::LiquidCrystal(pin_t rs, pin_t rw, pin_t enable,
+                             pin_t d0, pin_t d1, pin_t d2, pin_t d3,
+                             pin_t d4, pin_t d5, pin_t d6, pin_t d7)
 {
   init(0, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
 }
 
-LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
-			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
-			     uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
+LiquidCrystal::LiquidCrystal(pin_t rs, pin_t enable,
+                             pin_t d0, pin_t d1, pin_t d2, pin_t d3,
+                             pin_t d4, pin_t d5, pin_t d6, pin_t d7)
 {
-  init(0, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
+  init(0, rs, P_NC, enable, d0, d1, d2, d3, d4, d5, d6, d7);
 }
 
-LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
-			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
+LiquidCrystal::LiquidCrystal(pin_t rs, pin_t rw, pin_t enable,
+                             pin_t d0, pin_t d1, pin_t d2, pin_t d3)
 {
-  init(1, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
+  init(1, rs, rw, enable, d0, d1, d2, d3, P_NC, P_NC, P_NC, P_NC);
 }
 
-LiquidCrystal::LiquidCrystal(uint8_t rs,  uint8_t enable,
-			     uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
+LiquidCrystal::LiquidCrystal(pin_t rs,  pin_t enable,
+                             pin_t d0, pin_t d1, pin_t d2, pin_t d3)
 {
-  init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
+  init(1, rs, P_NC, enable, d0, d1, d2, d3, P_NC, P_NC, P_NC, P_NC);
 }
 
-void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
-			 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
-			 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
+void LiquidCrystal::init(uint8_t fourbitmode, pin_t rs, pin_t rw, pin_t enable,
+                         pin_t d0, pin_t d1, pin_t d2, pin_t d3,
+                         pin_t d4, pin_t d5, pin_t d6, pin_t d7)
 {
   _rs_pin = rs;
   _rw_pin = rw;

frameworks/CMSIS/LPC1768/lib/LiquidCrystal.h

@@ -4,6 +4,7 @@
 #include <inttypes.h>
 #include "binary.h"
 #include "Print.h"
+#include <HAL_LPC1768/pinmapping.h>
 
 // commands
 #define LCD_CLEARDISPLAY 0x01
@@ -45,20 +46,20 @@
 
 class LiquidCrystal : public Print {
 public:
-  LiquidCrystal(uint8_t rs, uint8_t enable,
-		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
-		uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
-  LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
-		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
-		uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
-  LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
-		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
-  LiquidCrystal(uint8_t rs, uint8_t enable,
-		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
-
-  void init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
-	    uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
-	    uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
+  LiquidCrystal(pin_t rs, pin_t enable,
+                pin_t d0, pin_t d1, pin_t d2, pin_t d3,
+                pin_t d4, pin_t d5, pin_t d6, pin_t d7);
+  LiquidCrystal(pin_t rs, pin_t rw, pin_t enable,
+                pin_t d0, pin_t d1, pin_t d2, pin_t d3,
+                pin_t d4, pin_t d5, pin_t d6, pin_t d7);
+  LiquidCrystal(pin_t rs, pin_t rw, pin_t enable,
+                pin_t d0, pin_t d1, pin_t d2, pin_t d3);
+  LiquidCrystal(pin_t rs, pin_t enable,
+                pin_t d0, pin_t d1, pin_t d2, pin_t d3);
+
+  void init(uint8_t fourbitmode, pin_t rs, pin_t rw, pin_t enable,
+            pin_t d0, pin_t d1, pin_t d2, pin_t d3,
+            pin_t d4, pin_t d5, pin_t d6, pin_t d7);
 
   void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
 
@@ -91,10 +92,10 @@ class LiquidCrystal : public Print {
   void write8bits(uint8_t);
   void pulseEnable();
 
-  uint8_t _rs_pin; // LOW: command.  HIGH: character.
-  uint8_t _rw_pin; // LOW: write to LCD.  HIGH: read from LCD.
-  uint8_t _enable_pin; // activated by a HIGH pulse.
-  uint8_t _data_pins[8];
+  pin_t _rs_pin; // LOW: command.  HIGH: character.
+  pin_t _rw_pin; // LOW: write to LCD.  HIGH: read from LCD.
+  pin_t _enable_pin; // activated by a HIGH pulse.
+  pin_t _data_pins[8];
 
   uint8_t _displayfunction;
   uint8_t _displaycontrol;