Merge branch 'master' of https://github.com/RT-Thread/rt-thread

1 files changed, 150 insertions, 0 deletions

diff --git a/components/external/espruino/src/jspin.c b/components/external/espruino/src/jspin.c
new file mode 100644
index 0000000000..c345e615e8
--- /dev/null
+++ b/components/external/espruino/src/jspin.c
@@ -0,0 +1,150 @@
+/*
+ * This file is part of Espruino, a JavaScript interpreter for Microcontrollers
+ *
+ * Copyright (C) 2013 Gordon Williams <[email protected]>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * ----------------------------------------------------------------------------
+ * Utilities and definitions for handling Pins
+ * ----------------------------------------------------------------------------
+ */
+
+#include "jspin.h"
+#include "jspininfo.h" // auto-generated
+
+bool jshIsPinValid(Pin pin) {
+  // Note, PIN_UNDEFINED is always > JSH_PIN_COUNT
+  return pin < JSH_PIN_COUNT && pinInfo[pin].port!=JSH_PORT_NONE;
+}
+
+
+Pin jshGetPinFromString(const char *s) {
+  // built in constants
+
+  if (s[0]=='B' && s[1]=='T' && s[2]=='N') {
+#ifdef BTN1_PININDEX
+    if (!s[3]) return BTN1_PININDEX;
+    if (s[3]=='1' && !s[4]) return BTN1_PININDEX;
+#endif
+#ifdef BTN2_PININDEX
+    if (s[3]=='2' && !s[4]) return BTN2_PININDEX;
+#endif
+#ifdef BTN3_PININDEX
+    if (s[3]=='3' && !s[4]) return BTN3_PININDEX;
+#endif
+#ifdef BTN4_PININDEX
+    if (s[3]=='4' && !s[4]) return BTN4_PININDEX;
+#endif
+  }
+  if (s[0]=='L' && s[1]=='E' && s[2]=='D') {
+#ifdef LED1_PININDEX
+    if (!s[3]) return LED1_PININDEX;
+    if (s[3]=='1' && !s[4]) return LED1_PININDEX;
+#endif
+#ifdef LED2_PININDEX
+    if (s[3]=='2' && !s[4]) return LED2_PININDEX;
+#endif
+#ifdef LED3_PININDEX
+    if (s[3]=='3' && !s[4]) return LED3_PININDEX;
+#endif
+#ifdef LED4_PININDEX
+    if (s[3]=='4' && !s[4]) return LED4_PININDEX;
+#endif
+#ifdef LED5_PININDEX
+    if (s[3]=='5' && !s[4]) return LED5_PININDEX;
+#endif
+#ifdef LED6_PININDEX
+    if (s[3]=='6' && !s[4]) return LED6_PININDEX;
+#endif
+#ifdef LED7_PININDEX
+    if (s[3]=='7' && !s[4]) return LED7_PININDEX;
+#endif
+#ifdef LED8_PININDEX
+    if (s[3]=='8' && !s[4]) return LED8_PININDEX;
+#endif
+  }
+
+  if ((s[0]>='A' && s[0]<='H') && s[1]) { // first 6 are analogs
+    int port = JSH_PORTA+s[0]-'A';
+    Pin pin = 127;
+    if (!s[2] && (s[1]>='0' && s[1]<='9')) { // D0-D9
+      pin = (Pin)(s[1]-'0');
+    } else if (!s[3] && (s[1]>='1' && s[1]<='3' && s[2]>='0' && s[2]<='9')) { // D1X-D3X
+      pin = (Pin)((s[1]-'0')*10 + (s[2]-'0'));
+    }
+    if (port == JSH_PORTA) {
+      if (pin<JSH_PORTA_COUNT) return (Pin)(JSH_PORTA_OFFSET + pin);
+    } else if (port == JSH_PORTB) {
+      if (pin<JSH_PORTB_COUNT) return (Pin)(JSH_PORTB_OFFSET + pin);
+    } else if (port == JSH_PORTC) {
+      if (pin<JSH_PORTC_COUNT) return (Pin)(JSH_PORTC_OFFSET + pin);
+    } else if (port == JSH_PORTD) {
+      if (pin<JSH_PORTD_COUNT) return (Pin)(JSH_PORTD_OFFSET + pin);
+#if JSH_PORTE_OFFSET!=-1
+    } else if (port == JSH_PORTE) {
+      if (pin<JSH_PORTE_COUNT) return (Pin)(JSH_PORTE_OFFSET + pin);
+#endif
+#if JSH_PORTF_OFFSET!=-1
+    } else if (port == JSH_PORTF) {
+      if (pin<JSH_PORTF_COUNT) return (Pin)(JSH_PORTF_OFFSET + pin);
+#endif
+#if JSH_PORTG_OFFSET!=-1
+    } else if (port == JSH_PORTG) {
+      if (pin<JSH_PORTG_COUNT) return (Pin)(JSH_PORTG_OFFSET + pin);
+#endif
+#if JSH_PORTH_OFFSET!=-1
+    } else if (port == JSH_PORTH) {
+      if (pin<JSH_PORTH_COUNT) return (Pin)(JSH_PORTH_OFFSET + pin);
+#endif
+    }
+  }
+
+  return PIN_UNDEFINED;
+}
+
+/** Write the pin name to a string. String must have at least 8 characters (to be safe) */
+void jshGetPinString(char *result, Pin pin) {
+  result[0] = 0; // just in case
+  if (
+#if JSH_PORTA_OFFSET!=0
+      pin>=JSH_PORTA_OFFSET &&
+#endif
+      pin<JSH_PORTA_OFFSET+JSH_PORTA_COUNT) {
+    result[0]='A';
+    itoa(pin-JSH_PORTA_OFFSET,&result[1],10);
+  } else if (pin>=JSH_PORTB_OFFSET && pin<JSH_PORTB_OFFSET+JSH_PORTB_COUNT) {
+    result[0]='B';
+    itoa(pin-JSH_PORTB_OFFSET,&result[1],10);
+  } else if (pin>=JSH_PORTC_OFFSET && pin<JSH_PORTC_OFFSET+JSH_PORTC_COUNT) {
+    result[0]='C';
+    itoa(pin-JSH_PORTC_OFFSET,&result[1],10);
+  } else if (pin>=JSH_PORTD_OFFSET && pin<JSH_PORTD_OFFSET+JSH_PORTD_COUNT) {
+    result[0]='D';
+    itoa(pin-JSH_PORTD_OFFSET,&result[1],10);
+#if JSH_PORTE_OFFSET!=-1
+  } else if (pin>=JSH_PORTE_OFFSET && pin<JSH_PORTE_OFFSET+JSH_PORTE_COUNT) {
+    result[0]='E';
+    itoa(pin-JSH_PORTE_OFFSET,&result[1],10);
+#endif
+#if JSH_PORTF_OFFSET!=-1
+  } else if (pin>=JSH_PORTF_OFFSET && pin<JSH_PORTF_OFFSET+JSH_PORTF_COUNT) {
+    result[0]='F';
+    itoa(pin-JSH_PORTF_OFFSET,&result[1],10);
+#endif
+#if JSH_PORTG_OFFSET!=-1
+  } else if (pin>=JSH_PORTG_OFFSET && pin<JSH_PORTG_OFFSET+JSH_PORTG_COUNT) {
+    result[0]='G';
+    itoa(pin-JSH_PORTG_OFFSET,&result[1],10);
+#endif
+#if JSH_PORTH_OFFSET!=-1
+  } else if (pin>=JSH_PORTH_OFFSET && pin<JSH_PORTH_OFFSET+JSH_PORTH_COUNT) {
+    result[0]='H';
+    itoa(pin-JSH_PORTH_OFFSET,&result[1],10);
+#endif
+  } else {
+    strncpy(result, "UNKNOWN", 8);
+  }
+}