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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"
#include "ProgressRequest.pb-c.h";
#include "ProgressResponse.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;
MessageContainer createContainer(MessageType type, char* token, protobuf_c_boolean completed, void* response, size_t (*packPtr)(void*, uint8_t*), size_t (*sizePtr)(void*));
//*****************************************************************************
//
// 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);
writeLine("Received ");
writeFloat(length);
writeString(" bytes");
writeLine("Parsing message...");
MessageContainer* requestContainer = message_container__unpack(NULL, length, (uint8_t*)buffer);
MessageContainer responseContainer;
if (requestContainer->type == MESSAGE_TYPE__CalculateRequest)
{
CalculateRequest* request = calculate_request__unpack(NULL, requestContainer->data.len, requestContainer->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;
responseContainer = createContainer(MESSAGE_TYPE__CalculateResponse, requestContainer->token, true, &response, &calculate_response__pack, &calculate_response__get_packed_size);
writeLine("Sending Response: ");
writeFloat(response.sum);
free(request);
}
else if (requestContainer->type == MESSAGE_TYPE__ProgressRequest)
{
ProgressRequest* request = progress_request__unpack(NULL, requestContainer->data.len, requestContainer->data.data);
writeLine("Progress Request...");
ProgressResponse response = PROGRESS_RESPONSE__INIT;
response.has_progress = true;
int i = 0;
for (i = 0; i < request->amount; i++)
{
response.progress = i;
responseContainer = createContainer(MESSAGE_TYPE__ProgressResponse, requestContainer->token, false, &response, &progress_response__pack, &progress_response__get_packed_size);
uint8_t* container_buffer = malloc(message_container__get_packed_size(&responseContainer));
size_t container_size = message_container__pack(&responseContainer, container_buffer);
writeLine("Sending Progress: ");
writeFloat(response.progress);
SendChars((char*)container_buffer, container_size);
int co = 0;
for (co = 0; co < request->delay; co++)
{
__delay_cycles(1000000);
}
}
responseContainer = createContainer(MESSAGE_TYPE__ProgressResponse, requestContainer->token, true, &response, &progress_response__pack, &progress_response__get_packed_size);
uint8_t* container_buffer = malloc(message_container__get_packed_size(&responseContainer));
size_t container_size = message_container__pack(&responseContainer, container_buffer);
writeLine("Progress Completed!");
SendChars((char*)container_buffer, container_size);
return;
}
uint8_t* container_buffer = malloc(message_container__get_packed_size(&responseContainer));
size_t container_size = message_container__pack(&responseContainer, container_buffer);
SendChars((char*)container_buffer, container_size);
free(container_buffer);
free(requestContainer);
}
MessageContainer createContainer(MessageType type, char* token, protobuf_c_boolean completed, void* response, size_t (*packPtr)(void*, uint8_t*), size_t (*sizePtr)(void*))
{
MessageContainer container = MESSAGE_CONTAINER__INIT;
container.completed = completed;
container.token = token;
container.has_completed = true;
container.has_data = true;
container.has_type = true;
container.type = type;
uint8_t* response_buffer = malloc((*sizePtr)(response));
size_t response_size = (*packPtr)(response, response_buffer);
container.data.data = response_buffer;
container.data.len = response_size;
free(response);
return container;
}
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);
clear();
RegisterReceiveCallback(&receive_callback);
StartUSB(ui32SysClock);
while(1){};
}
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