mirror of
https://github.com/sanni/cartreader.git
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58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
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/********************************************************************
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* Open Source Cartridge Reader *
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********************************************************************/
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#ifndef OSCR_H_
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#define OSCR_H_
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#include <stdint.h>
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#include <Arduino.h>
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#include <SPI.h>
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#include <Wire.h>
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#include <avr/pgmspace.h>
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#include <avr/wdt.h>
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#include "Config.h"
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/*==== SANITY CHECKS ==============================================*/
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#if !(defined(HW1) || defined(HW2) || defined(HW3) || defined(HW4) || defined(HW5) || defined(SERIAL_MONITOR))
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#error !!! PLEASE CHOOSE HARDWARE VERSION !!!
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#endif
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#if defined(ENABLE_3V3FIX) && !defined(ENABLE_VSELECT)
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#warning Using 3V3FIX is best with VSELECT.
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#endif
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/*==== CONSTANTS ==================================================*/
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// Updater baud rate
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const uint16_t UPD_BAUD = 9600;
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// Clock speeds
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const unsigned long CS_16MHZ = 16000000UL;
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const unsigned long CS_8MHZ = 8000000UL;
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// ENUM for VSELECT & 3V3FIX
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enum VOLTS: uint8_t {
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// Paramters to pass to setVoltage() and setClockScale()
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VOLTS_SET_5V = 0, // 5V parameter [ClockScale 0 = 16MHz, Voltage = 5V]
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VOLTS_SET_3V3, // 3.3V parameter [ClockScale 1 = 8MHz, Voltage = 3.3V]
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// Don't use the following as parameters
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// Return values:
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VOLTS_SUCCESS, // Return value for success
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VOLTS_ERROR, // Return value for error
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VOLTS_NOTENABLED, // Return value for not being enabled
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VOLTS_UNKNOWN // Return value for all other states
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};
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/*==== VARIABLES ==================================================*/
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extern unsigned long clock;
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extern char ver[5];
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extern VOLTS voltage;
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/*==== FUNCTIONS ==================================================*/
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extern void printVersionToSerial();
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extern void setClockScale(VOLTS __x);
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extern VOLTS setVoltage(VOLTS volts);
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#include "ClockedSerial.h"
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#endif /* OSCR_H_ */
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