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#include <protobuf-c/person-pb-c.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "inc/hw_uart.h"
#include "driverlib/debug.h"
#include "driverlib/gpio.h"
#include "driverlib/interrupt.h"
#include "driverlib/sysctl.h"
#include "driverlib/systick.h"
#include "driverlib/timer.h"
#include "driverlib/uart.h"
#include "driverlib/usb.h"
#include "driverlib/rom.h"
#include "driverlib/rom_map.h"
#include "drivers/pinout.h"
#include "usblib/usblib.h"
#include "usblib/usbcdc.h"
#include "usblib/usb-ids.h"
#include "usblib/device/usbdevice.h"
#include "usblib/device/usbdcdc.h"
#include "utils/ustdlib.h"
#include "usb_serial_adapter.h"
#include "graphics_adapter.h"
#include "MessageContainer.pb-c.h"
#include "CalculateRequest.pb-c.h"
#include "CalculateResponse.pb-c.h"
//*****************************************************************************
//
// The system tick rate expressed both as ticks per second and a millisecond
// period.
//
//*****************************************************************************
#define TICKS_PER_SECOND 100
//*****************************************************************************
//
// Global system tick counter
//
//*****************************************************************************
static volatile uint32_t g_ui32SysTickCount = 0;
// Flags used to pass commands from interrupt context to the main loop.
static volatile uint32_t g_ui32Flags;
//*****************************************************************************
//
// Interrupt handler for the system tick counter.
//
//*****************************************************************************
void SysTickHandler(void)
{
// Update our system time.
g_ui32SysTickCount++;
}
//*****************************************************************************
//
// Interrupt handler for the UART which we are redirecting via USB.
//
//*****************************************************************************
void USB0Handler(void)
{
InitUSB();
}
void receive_callback(char* buffer, size_t length)
{
//SendChars(buffer,length);
//draw_string(buffer, length);
//draw_image((uint8_t *)buffer);
clear();
MessageContainer* container = message_container__unpack(NULL, length, (uint8_t*)buffer);
if (container->type == MESSAGE_TYPE__CalculateRequest)
{
CalculateRequest* request = calculate_request__unpack(NULL, container->data.len, container->data.data);
writeLine("Calculate Request: ");
writeFloat(request->a);
writeString(" + ");
writeFloat(request->b);
CalculateResponse response = CALCULATE_RESPONSE__INIT;
response.sum = request->a + request->b;
response.has_sum = true;
MessageContainer responseContainer = MESSAGE_CONTAINER__INIT;
responseContainer.completed = true;
responseContainer.token = container->token;
responseContainer.has_completed = true;
responseContainer.has_data = true;
responseContainer.has_type = true;
responseContainer.type = MESSAGE_TYPE__CalculateResponse;
uint8_t* d = malloc(calculate_response__get_packed_size(&response));
size_t size = calculate_response__pack(&response, d);
responseContainer.data.data = d;
responseContainer.data.len = size;
uint8_t* output = malloc(message_container__get_packed_size(&responseContainer));
size = message_container__pack(&responseContainer, output);
writeLine("Sending Response: ");
writeFloat(response.sum);
SendChars(output, size);
}
free(container);
// Person* p = person__unpack (NULL, length, (uint8_t*)buffer);
// void* buf = malloc (length);
// person__pack (p, buf);
// SendChars(buf,length);
// free(p);
// free(buf);
}
int main(void)
{
uint32_t ui32SysClock, ui32PLLRate;
// Set the system clock to run at 120MHz from the PLL.
ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
// Configure the device pins.
PinoutSet();
// Save the PLL rate used by this application.
SysCtlVCOGet(SYSCTL_XTAL_25MHZ, &ui32PLLRate);
// Enable the system tick.
ROM_SysTickPeriodSet(ui32SysClock / TICKS_PER_SECOND);
ROM_SysTickIntEnable();
ROM_SysTickEnable();
init_graphics(ui32SysClock);
RegisterReceiveCallback(&receive_callback);
StartUSB(ui32SysClock);
while(1){};
}
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