Reworked some code, mainly moved to ATmega 168P/168PB/328P/328PB

Due to the Flash limits of the ATtiny I moved to a bigger and cheaper MCU!
actiBMS · Nov 18, 2019 · a342a6f · a342a6f
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diff --git a/diybms_arduino.cpp b/diybms_arduino.cpp
diff --git a/diybms_arduino.h b/diybms_arduino.h
@@ -0,0 +1,136 @@
+/*
+  ____  ____  _  _  ____  __  __  ___
+  (  _ \(_  _)( \/ )(  _ \(  \/  )/ __)
+  )(_) )_)(_  \  /  ) _ < )    ( \__ \
+  (____/(____) (__) (____/(_/\/\_)(___/
+
+  DIYBMS V4.0
+  CELL MODULE FOR ATTINY841
+
+  (c)2019 Stuart Pittaway
+
+  COMPILE THIS CODE USING PLATFORM.IO
+
+  LICENSE
+  Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales (CC BY-NC-SA 2.0 UK)
+  https://creativecommons.org/licenses/by-nc-sa/2.0/uk/
+
+  Non-Commercial — You may not use the material for commercial purposes.
+  Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.
+  You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
+  ShareAlike — If you remix, transform, or build upon the material, you must distribute your
+  contributions under the same license as the original.
+  No additional restrictions — You may not apply legal terms or technological measures
+  that legally restrict others from doing anything the license permits.
+*/
+/*
+  PB0 = PIN 12 - NOT USED - TP 4           / ARDUINO PIN 8
+  PB1 = PIN 13 - DUMP LOAD ENABLE          / ARDUINO PIN 9 / OC1A
+  PB2 = PIN 14 - STATUS LED                / ARDUINO PIN 10
+  PB3 = PIN 15 - NOT USED - MOSI           / ARDUINO PIN 11
+  PB4 = PIN 16 - NOT USED - MISO           / ARDUINO PIN 12
+  PB5 = PIN 17 - NOT USED - SCK            / ARDUINO PIN 13
+  PB6 = PIN 7  - NOT USED                  / ARDUINO PIN 20
+  PB7 = PIN 8  - NOT USED                  / ARDUINO PIN 21
+
+  PC0 = PIN 23 - ACTIVE BALANCE STATUS     / ARDUINO PIN 14/A0
+  PC1 = PIN 24 - 2.048V REFERENCE ENABLE   / ARDUINO PIN 15/A1
+  PC2 = PIN 25 - REMOTE TEMP sensor        / ARDUINO PIN 16/A2
+  PC3 = PIN 26 - VOLTAGE divider           / ARDUINO PIN 17/A3
+  PC4 = PIN 27 - ONBOARD TEMP sensor       / ARDUINO PIN 18/A4
+  PC5 = PIN 28 - ACTIVE BALANCE ENABLE     / ARDUINO PIN 19/A5
+  PC6 = PIN 29 - RESET                     / ARDUINO PIN 22
+
+  PD0 = PIN 30 - SERIAL RECEIVE (RXD0)     / ARDUINO PIN 8
+  PD1 = PIN 31 - SERIAL TRANSMIT (TXD0)    / ARDUINO PIN 9
+  PD2 = PIN 32 - NOT USED                  / ARDUINO PIN 10
+  PD3 = PIN 1  - NOT USED                  / ARDUINO PIN 11
+  PD4 = PIN 2  - NOT USED                  / ARDUINO PIN 12
+  PD5 = PIN 9  - NOT USED - TP 1           / ARDUINO PIN 13
+  PD6 = PIN 10 - NOT USED - TP 2           / ARDUINO PIN 20
+  PD7 = PIN 11 - NOT USED - TP 3           / ARDUINO PIN 21
+
+  ATmega168p data sheet
+  http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48_88_168_megaAVR-Data-Sheet-40002074.pdf
+*/
+
+
+/*
+  enum STATUS_COLOR : uint8_t {
+  LED_GREEN = 0x1,
+  LED_RED = 0x1,
+  LED_BLUE = 0x1,
+  };
+*/
+
+#ifndef _DIYBMS_ATMEGA_H // include guard
+#define _DIYBMS_ATMEGA_H
+
+// TODO - Show error is not targeting ATMEEGA168P
+/*#if !(defined(__AVR_ATmega328P__))
+  #error Written for ATMEEGA168P/PB chip
+  #endif
+*/
+
+#define GPIO_PORTA 0
+#define GPIO_PORTB 1
+#define GPIO_PORTC 2
+#define GPIO_PORTD 3
+
+#define LED_BRIGHTNESS 4
+#define LED_MAX_BRIGHTNESS 128
+
+#include "diybms_hal.h"
+
+#include <Adafruit_NeoPixel.h>
+#include <TimerOne.h>
+
+class DiyBMSArduino : public BMSHal {
+  public:
+    DiyBMSArduino() {
+    }
+
+    void begin();
+
+    void dumpLoadOn();
+    void dumpLoadOff();
+
+    void activeBalanceOn();
+    void activeBalanceOff();
+
+    void referenceVoltageOn();
+    void referenceVoltageOff();
+
+    void enableSerialTX();
+    void disableSerialTX();
+    void flushSerial();
+
+    void watchdogOn();
+    void watchdogOff();
+    void watchdogReset();
+    void watchdogReboot();
+
+    uint16_t ADCBegin(uint8_t channel, bool more);
+
+    void pwmBegin();
+    void pwmEnd();
+    void pwmSet(uint16_t value);
+
+    void display(uint8_t state);
+    void sleep();
+
+  private:
+    Adafruit_NeoPixel* pixels;
+    uint32_t last_color;
+
+// SERIAL START OF FRAME is available only on PB series
+#if defined(__AVR_ATmega168PB__) || defined(__AVR_ATmega328PB__)    
+    void enableSerialFrameDetection();
+#endif
+
+    // PIN CHANGE INTERRUPT
+    void enablePCI();
+    void disablePCI();
+};
+
+#endif