Update core

-Core libraries
-Example libraries
-Sketches
-Add new libraries and sketches

Author: ozgurbostan

cores/esp32/Arduino.h

@@ -78,7 +78,7 @@
 #define interrupts() sei()
 #define noInterrupts() cli()
 
-#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
+#define clockCyclesPerMicrosecond() ( (long int)getCpuFrequencyMhz() )
 #define clockCyclesToMicroseconds(a) ( (a) / clockCyclesPerMicrosecond() )
 #define microsecondsToClockCycles(a) ( (a) * clockCyclesPerMicrosecond() )
 
@@ -88,7 +88,7 @@
 #define bitRead(value, bit) (((value) >> (bit)) & 0x01)
 #define bitSet(value, bit) ((value) |= (1UL << (bit)))
 #define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
-#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+#define bitWrite(value, bit, bitvalue) ((bitvalue) ? bitSet(value, bit) : bitClear(value, bit))
 
 // avr-libc defines _NOP() since 1.6.2
 #ifndef _NOP

cores/esp32/Esp.cpp

@@ -218,6 +218,33 @@ uint8_t EspClass::getChipRevision(void)
     return chip_info.revision;
 }
 
+const char * EspClass::getChipModel(void)
+{
+    uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
+    uint32_t pkg_ver = chip_ver & 0x7;
+    switch (pkg_ver) {
+        case EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ6 :
+            return "ESP32-D0WDQ6";
+        case EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ5 :
+            return "ESP32-D0WDQ5";
+        case EFUSE_RD_CHIP_VER_PKG_ESP32D2WDQ5 :
+            return "ESP32-D2WDQ5";
+        case EFUSE_RD_CHIP_VER_PKG_ESP32PICOD2 :
+            return "ESP32-PICO-D2";
+        case EFUSE_RD_CHIP_VER_PKG_ESP32PICOD4 :
+            return "ESP32-PICO-D4";
+        default:
+            return "Unknown";
+    }
+}
+
+uint8_t EspClass::getChipCores(void)
+{
+    esp_chip_info_t chip_info;
+    esp_chip_info(&chip_info);
+    return chip_info.cores;
+}
+
 const char * EspClass::getSdkVersion(void)
 {
     return esp_get_idf_version();
@@ -309,6 +336,20 @@ bool EspClass::flashRead(uint32_t offset, uint32_t *data, size_t size)
     return spi_flash_read(offset, (uint32_t*) data, size) == ESP_OK;
 }
 
+bool EspClass::partitionEraseRange(const esp_partition_t *partition, uint32_t offset, size_t size) 
+{
+    return esp_partition_erase_range(partition, offset, size) == ESP_OK;
+}
+
+bool EspClass::partitionWrite(const esp_partition_t *partition, uint32_t offset, uint32_t *data, size_t size) 
+{
+    return esp_partition_write(partition, offset, data, size) == ESP_OK;
+}
+
+bool EspClass::partitionRead(const esp_partition_t *partition, uint32_t offset, uint32_t *data, size_t size) 
+{
+    return esp_partition_read(partition, offset, data, size) == ESP_OK;
+}
 
 uint64_t EspClass::getEfuseMac(void)
 {

cores/esp32/Esp.h

@@ -21,6 +21,7 @@
 #define ESP_H
 
 #include <Arduino.h>
+#include <esp_partition.h>
 
 /**
  * AVR macros for WDT managment
@@ -75,6 +76,8 @@ class EspClass
     uint32_t getMaxAllocPsram();
 
     uint8_t getChipRevision();
+    const char * getChipModel();
+    uint8_t getChipCores();
     uint32_t getCpuFreqMHz(){ return getCpuFrequencyMhz(); }
     inline uint32_t getCycleCount() __attribute__((always_inline));
     const char * getSdkVersion();
@@ -97,6 +100,10 @@ class EspClass
     bool flashWrite(uint32_t offset, uint32_t *data, size_t size);
     bool flashRead(uint32_t offset, uint32_t *data, size_t size);
 
+    bool partitionEraseRange(const esp_partition_t *partition, uint32_t offset, size_t size);
+    bool partitionWrite(const esp_partition_t *partition, uint32_t offset, uint32_t *data, size_t size);
+    bool partitionRead(const esp_partition_t *partition, uint32_t offset, uint32_t *data, size_t size);
+
     uint64_t getEfuseMac();
 
 };

cores/esp32/HardwareSerial.cpp

@@ -53,6 +53,8 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in
     }
 
     _uart = uartBegin(_uart_nr, baud ? baud : 9600, config, rxPin, txPin, 256, invert);
+    _tx_pin = txPin;
+    _rx_pin = rxPin;
 
     if(!baud) {
         uartStartDetectBaudrate(_uart);
@@ -70,6 +72,8 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in
         } else {
             log_e("Could not detect baudrate. Serial data at the port must be present within the timeout for detection to be possible");
             _uart = NULL;
+            _tx_pin = 255;
+            _rx_pin = 255;
         }
     }
 }
@@ -84,7 +88,8 @@ void HardwareSerial::end()
     if(uartGetDebug() == _uart_nr) {
         uartSetDebug(0);
     }
-    uartEnd(_uart);
+    log_v("pins %d %d",_tx_pin, _rx_pin);
+    uartEnd(_uart, _tx_pin, _rx_pin);
     _uart = 0;
 }
 
@@ -131,11 +136,34 @@ int HardwareSerial::read(void)
     return -1;
 }
 
-void HardwareSerial::flush()
+// read characters into buffer
+// terminates if size characters have been read, or no further are pending
+// returns the number of characters placed in the buffer
+// the buffer is NOT null terminated.
+size_t HardwareSerial::read(uint8_t *buffer, size_t size)
+{
+    size_t avail = available();
+    if (size < avail) {
+        avail = size;
+    }
+    size_t count = 0;
+    while(count < avail) {
+        *buffer++ = uartRead(_uart);
+        count++;
+    }
+    return count;
+}
+
+void HardwareSerial::flush(void)
 {
     uartFlush(_uart);
 }
 
+void HardwareSerial::flush(bool txOnly)
+{
+    uartFlushTxOnly(_uart, txOnly);
+}
+
 size_t HardwareSerial::write(uint8_t c)
 {
     uartWrite(_uart, c);
@@ -156,3 +184,8 @@ HardwareSerial::operator bool() const
 {
     return true;
 }
+
+void HardwareSerial::setRxInvert(bool invert)
+{
+    uartSetRxInvert(_uart, invert);
+}

cores/esp32/HardwareSerial.h

@@ -62,10 +62,19 @@ class HardwareSerial: public Stream
     int availableForWrite(void);
     int peek(void);
     int read(void);
+    size_t read(uint8_t *buffer, size_t size);
+    inline size_t read(char * buffer, size_t size)
+    {
+        return read((uint8_t*) buffer, size);
+    }
     void flush(void);
+    void flush( bool txOnly);
     size_t write(uint8_t);
     size_t write(const uint8_t *buffer, size_t size);
-
+    inline size_t write(const char * buffer, size_t size)
+    {
+        return write((uint8_t*) buffer, size);
+    }
     inline size_t write(const char * s)
     {
         return write((uint8_t*) s, strlen(s));
@@ -91,16 +100,22 @@ class HardwareSerial: public Stream
 
     size_t setRxBufferSize(size_t);
     void setDebugOutput(bool);
+    
+    void setRxInvert(bool);
 
 protected:
     int _uart_nr;
     uart_t* _uart;
+    uint8_t _tx_pin;
+    uint8_t _rx_pin;
 };
 
+extern void serialEventRun(void) __attribute__((weak));
+
 #if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SERIAL)
 extern HardwareSerial Serial;
 extern HardwareSerial Serial1;
 extern HardwareSerial Serial2;
 #endif
 
-#endif
+#endif // HardwareSerial_h

cores/esp32/Print.cpp

@@ -110,24 +110,37 @@ size_t Print::print(unsigned int n, int base)
 }
 
 size_t Print::print(long n, int base)
+{
+    int t = 0;
+    if (base == 10 && n < 0) {
+        t = print('-');
+        n = -n;
+    }
+    return printNumber(static_cast<unsigned long>(n), base) + t;
+}
+
+size_t Print::print(unsigned long n, int base)
 {
     if(base == 0) {
         return write(n);
-    } else if(base == 10) {
-        if(n < 0) {
-            int t = print('-');
-            n = -n;
-            return printNumber(n, 10) + t;
-        }
-        return printNumber(n, 10);
     } else {
         return printNumber(n, base);
     }
 }
 
-size_t Print::print(unsigned long n, int base)
+size_t Print::print(long long n, int base)
 {
-    if(base == 0) {
+    int t = 0;
+    if (base == 10 && n < 0) {
+        t = print('-');
+        n = -n;
+    }
+    return printNumber(static_cast<unsigned long long>(n), base) + t;
+}
+
+size_t Print::print(unsigned long long n, int base)
+{
+    if (base == 0) {
         return write(n);
     } else {
         return printNumber(n, base);
@@ -226,6 +239,20 @@ size_t Print::println(unsigned long num, int base)
     return n;
 }
 
+size_t Print::println(long long num, int base)
+{
+    size_t n = print(num, base);
+    n += println();
+    return n;
+}
+
+size_t Print::println(unsigned long long num, int base)
+{
+    size_t n = print(num, base);
+    n += println();
+    return n;
+}
+
 size_t Print::println(double num, int digits)
 {
     size_t n = print(num, digits);
@@ -251,7 +278,7 @@ size_t Print::println(struct tm * timeinfo, const char * format)
 
 size_t Print::printNumber(unsigned long n, uint8_t base)
 {
-    char buf[8 * sizeof(long) + 1]; // Assumes 8-bit chars plus zero byte.
+    char buf[8 * sizeof(n) + 1]; // Assumes 8-bit chars plus zero byte.
     char *str = &buf[sizeof(buf) - 1];
 
     *str = '\0';
@@ -262,11 +289,34 @@ size_t Print::printNumber(unsigned long n, uint8_t base)
     }
 
     do {
-        unsigned long m = n;
+        char c = n % base;
+        n /= base;
+
+        *--str = c < 10 ? c + '0' : c + 'A' - 10;
+    } while (n);
+
+    return write(str);
+}
+
+size_t Print::printNumber(unsigned long long n, uint8_t base)
+{
+    char buf[8 * sizeof(n) + 1]; // Assumes 8-bit chars plus zero byte.
+    char* str = &buf[sizeof(buf) - 1];
+
+    *str = '\0';
+
+    // prevent crash if called with base == 1
+    if (base < 2) {
+        base = 10;
+    }
+
+    do {
+        auto m = n;
         n /= base;
         char c = m - base * n;
+
         *--str = c < 10 ? c + '0' : c + 'A' - 10;
-    } while(n);
+    } while (n);
 
     return write(str);
 }

cores/esp32/Print.h

@@ -36,6 +36,7 @@ class Print
 private:
     int write_error;
     size_t printNumber(unsigned long, uint8_t);
+    size_t printNumber(unsigned long long, uint8_t);
     size_t printFloat(double, uint8_t);
 protected:
     void setWriteError(int err = 1)
@@ -72,6 +73,11 @@ class Print
     }
 
     size_t printf(const char * format, ...)  __attribute__ ((format (printf, 2, 3)));
+
+    // add availableForWrite to make compatible with Arduino Print.h
+    // default to zero, meaning "a single write may block"
+    // should be overriden by subclasses with buffering
+    virtual int availableForWrite() { return 0; }
     size_t print(const __FlashStringHelper *);
     size_t print(const String &);
     size_t print(const char[]);
@@ -81,6 +87,8 @@ class Print
     size_t print(unsigned int, int = DEC);
     size_t print(long, int = DEC);
     size_t print(unsigned long, int = DEC);
+    size_t print(long long, int = DEC);
+    size_t print(unsigned long long, int = DEC);
     size_t print(double, int = 2);
     size_t print(const Printable&);
     size_t print(struct tm * timeinfo, const char * format = NULL);
@@ -94,6 +102,8 @@ class Print
     size_t println(unsigned int, int = DEC);
     size_t println(long, int = DEC);
     size_t println(unsigned long, int = DEC);
+    size_t println(long long, int = DEC);
+    size_t println(unsigned long long, int = DEC);
     size_t println(double, int = 2);
     size_t println(const Printable&);
     size_t println(struct tm * timeinfo, const char * format = NULL);