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main.cpp
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main.cpp
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// Some of this firmware's code may look weird and go against proper programming conventions, but it was all intentionally done because it produced a smaller firmware
// ATxmega32C4 microcontroller http://www.atmel.com/Images/Atmel-8493-8-and-32-bit-AVR-XMEGA-Microcontrollers-ATxmega16C4-ATxmega32C4_Datasheet.pdf
// 5V 4A 2.1mmx5.5mm DC power supply
// USB type B connection
// Header files
extern "C" {
#include <asf.h>
}
#include <string.h>
#include "common.h"
#include "eeprom.h"
#include "fan.h"
#include "gcode.h"
#include "heater.h"
#include "led.h"
#include "motors.h"
// Definitions
#define REQUEST_QUEUE_SIZE 15
#define WAIT_TIMER FAN_TIMER
#define WAIT_TIMER_PERIOD FAN_TIMER_PERIOD
#define EMERGENCY_STOP_NOW 1
#define NO_EMERGENCY_STOP 0
#define INACTIVITY_TIMEOUT_SECONDS (10 * 60)
#define REQUEST_BUFFER_SIZE (512 + 1)
#define RESPONSE_BUFFER_SIZE (sizeof("ok\nPROTOCOL:RepRap FIRMWARE_NAME:" TOSTRING(FIRMWARE_NAME) " FIRMWARE_VERSION:" TOSTRING(FIRMWARE_VERSION) " MACHINE_TYPE:Micro_3D EXTRUDER_COUNT:1 SERIAL_NUMBER:") - 1 + EEPROM_SERIAL_NUMBER_LENGTH + sizeof(' ') + INT_BUFFER_SIZE - 1 + 1)
// Unknown pin (Connected to transistors above the microcontroller. Maybe related to detecting if USB is connected)
#define UNKNOWN_PIN IOPORT_CREATE_PIN(PORTA, 1)
// Unused pins (None of them are connected to anything, so they could be used to easily interface additional hardware to the printer)
#define UNUSED_PIN_1 IOPORT_CREATE_PIN(PORTA, 6)
#define UNUSED_PIN_2 IOPORT_CREATE_PIN(PORTB, 0)
#define UNUSED_PIN_3 IOPORT_CREATE_PIN(PORTE, 0)
#define UNUSED_PIN_4 IOPORT_CREATE_PIN(PORTR, 0)
#define UNUSED_PIN_5 IOPORT_CREATE_PIN(PORTR, 1)
// Check if debug features are enabled
#if ENABLE_DEBUG_FEATURES == true
// Heap start
extern char __heap_start;
// RAM mask
#define RAM_MASK 0x41
#endif
// Global variables
char serialNumber[EEPROM_SERIAL_NUMBER_LENGTH + 1];
Gcode requests[REQUEST_QUEUE_SIZE];
uint8_t emergencyStopRequest;
uint8_t waitTimerCounter;
uint16_t inactivityCounter;
Fan fan;
Led led;
Heater heater;
Motors motors;
// Function prototypes
/*
Name: CDC RX notify callback
Purpose: Callback for when USB receives data
*/
void cdcRxNotifyCallback(uint8_t port) noexcept;
/*
Name: CDC disconnect callback
Purpose: Callback for when USB is disconnected from host (This should get called when the device is disconnected, but it gets called when the device is reattached which makes it necessary to guarantee that all data being sent over USB can actually be sent to prevent a buffer from overflowing when the device is disconnected. This is either a silicon error or an error in Atmel's ASF library)
*/
void cdcDisconnectCallback(uint8_t port) noexcept;
/*
Name: Disable sending wait responses
Purpose: Disables sending wait responses every second
*/
void disableSendingWaitResponses() noexcept;
/*
Name: Enable sending wait responses
Purpose: Enabled sending wait responses every second
*/
void enableSendingWaitResponses() noexcept;
/*
Name: Reverse bits
Purpose: Returns value with bits reversed
*/
uint32_t reverseBits(uint32_t value) noexcept;
/*
Name: Leading pad buffer
Purpose: Adds leading padding to buffer to make it meet the size specified
*/
void leadingPadBuffer(char *buffer, uint8_t size = 2, char padding = '0') noexcept;
/*
Name: Is alphanumeric
Purpose: Returns if a provided character is alphanumeric
*/
inline bool isAlphanumeric(char value) noexcept;
/*
Name: Update serial number
Purpose: Reads serial number from EEPROM
*/
void updateSerialNumber() noexcept;
/*
Name: Disable USB interrupts
Purpose: Disables USB interrupts
*/
void disableUsbInterrupts() noexcept;
/*
Name: Enable USB interrupts
Purpose: Enables USB interrupts
*/
void enableUsbInterrupts() noexcept;
/*
Name: Reset peripherals
Purpose: Resets all peripherals to their default state
*/
void resetPeripherals() noexcept;
// Check if debug features are enabled
#if ENABLE_DEBUG_FEATURES == true
/*
Name: Set RAM to mask
Purpose: Sets all RAM to mask value
*/
void __attribute__((naked, used, section(".init3"))) setRamToMask() noexcept;
/*
Name: Get current unused RAM size
Purpose: Returns the current amount of unused RAM
*/
inline ptrdiff_t getCurrentUnusedRamSize() noexcept;
/*
Name: Get total unused RAM size
Purpose: Returns the total amount of unused RAM
*/
inline ptrdiff_t getTotalUnusedRamSize() noexcept;
#endif
// Main function
int __attribute__((OS_main)) main() noexcept {
// Initialize system clock
sysclk_init();
// Initialize interrupt controller
pmic_init();
pmic_set_scheduling(PMIC_SCH_ROUND_ROBIN);
// Initialize board
board_init();
// Initialize I/O ports
ioport_init();
// Initialize variables
uint64_t currentCommandNumber = 0;
static uint8_t currentProcessingRequest;
static char responseBuffer[RESPONSE_BUFFER_SIZE];
static char numberBuffer[INT_BUFFER_SIZE];
// Configure ADC Vref pin
ioport_set_pin_dir(ADC_VREF_PIN, IOPORT_DIR_INPUT);
ioport_set_pin_mode(ADC_VREF_PIN, IOPORT_MODE_PULLDOWN);
// Enable ADC module
adc_enable(&ADC_MODULE);
// Initialize peripherals
fan.initialize();
heater.initialize();
led.initialize();
motors.initialize();
// Configure unknown pin
ioport_set_pin_dir(UNKNOWN_PIN, IOPORT_DIR_OUTPUT);
ioport_set_pin_level(UNKNOWN_PIN, IOPORT_PIN_LEVEL_LOW);
// Configure unused pins
ioport_set_pin_dir(UNUSED_PIN_1, IOPORT_DIR_INPUT);
ioport_set_pin_mode(UNUSED_PIN_1, IOPORT_MODE_PULLUP);
ioport_set_pin_dir(UNUSED_PIN_2, IOPORT_DIR_INPUT);
ioport_set_pin_mode(UNUSED_PIN_2, IOPORT_MODE_PULLUP);
ioport_set_pin_dir(UNUSED_PIN_3, IOPORT_DIR_INPUT);
ioport_set_pin_mode(UNUSED_PIN_3, IOPORT_MODE_PULLUP);
ioport_set_pin_dir(UNUSED_PIN_4, IOPORT_DIR_INPUT);
ioport_set_pin_mode(UNUSED_PIN_4, IOPORT_MODE_PULLUP);
ioport_set_pin_dir(UNUSED_PIN_5, IOPORT_DIR_INPUT);
ioport_set_pin_mode(UNUSED_PIN_5, IOPORT_MODE_PULLUP);
// Configure send wait interrupt
tc_set_overflow_interrupt_callback(&WAIT_TIMER, []() noexcept -> void {
// Check if one second has passed
if(++waitTimerCounter >= sysclk_get_cpu_hz() / 64 / WAIT_TIMER_PERIOD) {
// Reset wait timer counter
waitTimerCounter = 0;
// Send message
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
char buffer[sizeof("wait\n")];
strcpy_P(buffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("wait\n"))));
sendDataToUsb(buffer, true);
#else
sendDataToUsb("wait\n", true);
#endif
// Check if a peripheral is on
if(fan.isOn() || led.isOn() || heater.isOn() || motors.isOn()) {
// Check if inactivity timeout seconds has passed
if(++inactivityCounter >= INACTIVITY_TIMEOUT_SECONDS) {
// Reset inactivity counter
inactivityCounter = 0;
// Reset peripherals
resetPeripherals();
// Send message
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
char buffer[sizeof("Peripherals automatically turned off\n")];
strcpy_P(buffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Peripherals automatically turned off\n"))));
sendDataToUsb(buffer, true);
#else
sendDataToUsb("Peripherals automatically turned off\n", true);
#endif
}
}
// Otherwise
else
// Reset inactivity counter
inactivityCounter = 0;
}
});
// Fix writing to EEPROM addresses above 0x2E0 by first writing to an address less than that (This is either a silicon error or an error in Atmel's ASF library)
nvm_eeprom_write_byte(0, nvm_eeprom_read_byte(0));
// Update serial number
updateSerialNumber();
// Enable interrupts
cpu_irq_enable();
// Initialize USB
udc_start();
// Enable sending wait responses
enableSendingWaitResponses();
// Loop forever
while(true)
// Check if the current processing request is ready or an emergency stop occured right before current processing request
if(requests[currentProcessingRequest].isParsed || emergencyStopRequest == EMERGENCY_STOP_NOW) {
// Disable sending wait responses
disableSendingWaitResponses();
// Check if an emergency stop didn't occured right before current processing request
if(emergencyStopRequest != EMERGENCY_STOP_NOW) {
// Check if an emergency stop hasn't occured
if(!emergencyStopRequest) {
// Check if accelerometer isn't working
if(!motors.accelerometer.isWorking && !motors.accelerometer.testConnection())
// Set response to error
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Error: Accelerometer isn't working"))));
#else
strcpy(responseBuffer, "Error: Accelerometer isn't working");
#endif
// Check if heater isn't working
else if(!heater.isWorking && !heater.testConnection())
// Set response to error
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Error: Heater isn't working"))));
#else
strcpy(responseBuffer, "Error: Heater isn't working");
#endif
// Otherwise
else {
// Clear response buffer
*responseBuffer = 0;
// Check if host commands are enabled
#if ENABLE_HOST_COMMANDS == true
// Check if command is a host command
if(requests[currentProcessingRequest].commandParameters & PARAMETER_HOST_COMMAND_OFFSET) {
// Check if host command is to get lock bits
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Lock bits"))))) {
#else
if(!strcmp(requests[currentProcessingRequest].hostCommand, "Lock bits")) {
#endif
// Send lock bits
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n0x"))));
#else
strcpy(responseBuffer, "ok\n0x");
#endif
ltoa(NVM.LOCK_BITS, numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
}
// Otherwise check if host command is to get fuse bytes
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Fuse bytes"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Fuse bytes")) {
#endif
// Send fuse bytes
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n0x"))));
#else
strcpy(responseBuffer, "ok\n0x");
#endif
ltoa(nvm_fuses_read(FUSEBYTE0), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(nvm_fuses_read(FUSEBYTE1), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(nvm_fuses_read(FUSEBYTE2), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(nvm_fuses_read(FUSEBYTE3), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(nvm_fuses_read(FUSEBYTE4), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(nvm_fuses_read(FUSEBYTE5), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
}
// Otherwise check if host command is to get application contents
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Application contents"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Application contents")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Send application
for(uint16_t i = APP_SECTION_START; i <= APP_SECTION_END; ++i) {
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == APP_SECTION_START ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == APP_SECTION_START ? "0x" : " 0x");
#endif
ltoa(pgm_read_byte(i), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
if(i != APP_SECTION_END)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get application table contents
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Application table contents"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Application table contents")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Send application
for(uint16_t i = APPTABLE_SECTION_START; i <= APPTABLE_SECTION_END; ++i) {
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == APPTABLE_SECTION_START ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == APPTABLE_SECTION_START ? "0x" : " 0x");
#endif
ltoa(pgm_read_byte(i), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
if(i != APPTABLE_SECTION_END)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get bootloader contents
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Bootloader contents"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Bootloader contents")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Send bootloader
for(uint16_t i = BOOT_SECTION_START; i <= BOOT_SECTION_END; ++i) {
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == BOOT_SECTION_START ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == BOOT_SECTION_START ? "0x" : " 0x");
#endif
ltoa(pgm_read_byte(i), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
if(i != BOOT_SECTION_END)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get bootloader CRC steps
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Bootloader CRC steps"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Bootloader CRC steps")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Go through every other byte in the bootloader
for(uint16_t i = 1; i < BOOT_SECTION_SIZE; i += 2) {
// Set CRC to use 0xFFFFFFFF seed
crc_set_initial_value(UINT32_MAX);
// Clear high address bytes if total flash size doesn't extend that far (They are left unchanged otherwise when targeting CRC_FLASH_RANGE. This is an error in Atmel's ASF library)
#if FLASH_SIZE < 0x10000UL
NVM.ADDR2 = 0;
NVM.DATA2 = 0;
#endif
// Get bootloader table CRC
uint32_t crc = reverseBits(~crc_flash_checksum(CRC_FLASH_RANGE, BOOT_SECTION_START, i + 1));
// Send bootloader table CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == 1 ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == 1 ? "0x" : " 0x");
#endif
ltoa(crc, numberBuffer, 16);
leadingPadBuffer(numberBuffer, 8);
strncat(responseBuffer, numberBuffer, 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[2], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[4], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strcat(responseBuffer, &numberBuffer[6]);
if(i != BOOT_SECTION_SIZE - 1)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get application CRC steps
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Application CRC steps"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Application CRC steps")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Go through every other byte in the application
for(uint16_t i = 1; i < APP_SECTION_SIZE; i += 2) {
// Set CRC to use 0xFFFFFFFF seed
crc_set_initial_value(UINT32_MAX);
// Clear high address bytes if total flash size doesn't extend that far (They are left unchanged otherwise when targeting CRC_FLASH_RANGE. This is an error in Atmel's ASF library)
#if FLASH_SIZE < 0x10000UL
NVM.ADDR2 = 0;
NVM.DATA2 = 0;
#endif
// Get application CRC
uint32_t crc = reverseBits(~crc_flash_checksum(CRC_FLASH_RANGE, APP_SECTION_START, i + 1));
// Send application CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == 1 ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == 1 ? "0x" : " 0x");
#endif
ltoa(crc, numberBuffer, 16);
leadingPadBuffer(numberBuffer, 8);
strncat(responseBuffer, numberBuffer, 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[2], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[4], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strcat(responseBuffer, &numberBuffer[6]);
if(i != APP_SECTION_SIZE - 1)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get application table CRC steps
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Application table CRC steps"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Application table CRC steps")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Go through every other byte in the application table
for(uint16_t i = 1; i < APPTABLE_SECTION_SIZE; i += 2) {
// Set CRC to use 0xFFFFFFFF seed
crc_set_initial_value(UINT32_MAX);
// Clear high address bytes if total flash size doesn't extend that far (They are left unchanged otherwise when targeting CRC_FLASH_RANGE. This is an error in Atmel's ASF library)
#if FLASH_SIZE < 0x10000UL
NVM.ADDR2 = 0;
NVM.DATA2 = 0;
#endif
// Get application table CRC
uint32_t crc = reverseBits(~crc_flash_checksum(CRC_FLASH_RANGE, APPTABLE_SECTION_START, i + 1));
// Send application table CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == 1 ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == 1 ? "0x" : " 0x");
#endif
ltoa(crc, numberBuffer, 16);
leadingPadBuffer(numberBuffer, 8);
strncat(responseBuffer, numberBuffer, 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[2], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[4], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strcat(responseBuffer, &numberBuffer[6]);
if(i != APPTABLE_SECTION_SIZE - 1)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get application CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Application CRC"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Application CRC")) {
#endif
// Set CRC to use 0xFFFFFFFF seed
crc_set_initial_value(UINT32_MAX);
// Get application CRC
uint32_t crc = reverseBits(~crc_flash_checksum(CRC_APP, 0, 0));
// Send application CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n0x"))));
#else
strcpy(responseBuffer, "ok\n0x");
#endif
ltoa(crc, numberBuffer, 16);
leadingPadBuffer(numberBuffer, 8);
strncat(responseBuffer, numberBuffer, 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[2], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[4], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strcat(responseBuffer, &numberBuffer[6]);
}
// Otherwise check if host command is to get application CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Application table CRC"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Application table CRC")) {
#endif
// Set CRC to use 0xFFFFFFFF seed
crc_set_initial_value(UINT32_MAX);
// Clear high address bytes if total flash size doesn't extend that far (They are left unchanged otherwise when targeting CRC_FLASH_RANGE. This is an error in Atmel's ASF library)
#if FLASH_SIZE < 0x10000UL
NVM.ADDR2 = 0;
NVM.DATA2 = 0;
#endif
// Get application table CRC
uint32_t crc = reverseBits(~crc_flash_checksum(CRC_FLASH_RANGE, APPTABLE_SECTION_START, APPTABLE_SECTION_SIZE));
// Send application table CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n0x"))));
#else
strcpy(responseBuffer, "ok\n0x");
#endif
ltoa(crc, numberBuffer, 16);
leadingPadBuffer(numberBuffer, 8);
strncat(responseBuffer, numberBuffer, 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[2], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[4], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strcat(responseBuffer, &numberBuffer[6]);
}
// Otherwise check if host command is to get bootloader CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Bootloader CRC"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Bootloader CRC")) {
#endif
// Set CRC to use 0xFFFFFFFF seed
crc_set_initial_value(UINT32_MAX);
// Get bootloader CRC
uint32_t crc = reverseBits(~crc_flash_checksum(CRC_BOOT, 0, 0));
// Send bootloader CRC
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n0x"))));
#else
strcpy(responseBuffer, "ok\n0x");
#endif
ltoa(crc, numberBuffer, 16);
leadingPadBuffer(numberBuffer, 8);
strncat(responseBuffer, numberBuffer, 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[2], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strncat(responseBuffer, &numberBuffer[4], 2);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
strcat(responseBuffer, &numberBuffer[6]);
}
// Otherwise check if host command is to get EEPROM
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("EEPROM"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "EEPROM")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Send EEPROM
for(uint16_t i = EEPROM_START; i <= EEPROM_END; ++i) {
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == EEPROM_START ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == EEPROM_START ? "0x" : " 0x");
#endif
ltoa(nvm_eeprom_read_byte(i), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
if(i != EEPROM_END)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get user signature
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("User signature"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "User signature")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Send EEPROM
for(uint16_t i = USER_SIGNATURES_START; i <= USER_SIGNATURES_END; ++i) {
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == USER_SIGNATURES_START ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == USER_SIGNATURES_START ? "0x" : " 0x");
#endif
ltoa(nvm_read_user_signature_row(i), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
if(i != USER_SIGNATURES_END)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get production signature
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Production signature"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Production signature")) {
#endif
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n"))));
#else
strcpy(responseBuffer, "ok\n");
#endif
sendDataToUsb(responseBuffer);
// Send EEPROM
for(uint16_t i = PROD_SIGNATURES_START; i <= PROD_SIGNATURES_END; ++i) {
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(i == PROD_SIGNATURES_START ? PSTR("0x") : PSTR(" 0x"))));
#else
strcpy(responseBuffer, i == PROD_SIGNATURES_START ? "0x" : " 0x");
#endif
ltoa(nvm_read_production_signature_row(i), numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
if(i != PROD_SIGNATURES_END)
sendDataToUsb(responseBuffer);
}
}
// Otherwise check if host command is to get device ID
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
else if(!strcmp_P(requests[currentProcessingRequest].hostCommand, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("Device ID"))))) {
#else
else if(!strcmp(requests[currentProcessingRequest].hostCommand, "Device ID")) {
#endif
// Get device ID
nvm_device_id deviceId;
nvm_read_device_id(&deviceId);
// Send device ID
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcpy_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR("ok\n0x"))));
#else
strcpy(responseBuffer, "ok\n0x");
#endif
ltoa(deviceId.devid2, numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(deviceId.devid1, numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);
#if STORE_CONSTANTS_IN_PROGRAM_SPACE == true
strcat_P(responseBuffer, reinterpret_cast<PGM_P>(pgm_read_ptr(PSTR(" 0x"))));
#else
strcat(responseBuffer, " 0x");
#endif
ltoa(deviceId.devid0, numberBuffer, 16);
leadingPadBuffer(numberBuffer);
strcat(responseBuffer, numberBuffer);