[Open Source] Sala di furmazione intelligente

2.UI Design

1.C51 Design

I codici principali per acquistà è aghjurnà dati cum'è a temperatura, l'umidità è l'altitudine nantu à l'interfaccia principale, è l'usu di modbus rtu per cuntrullà i moduli di cuntrollu di temperatura, i mutori, a rilevazione di alarme è altre macchine slave sò i seguenti.

Riferimentu di codice di l'interfaccia principale:

#include "main_win.h"

#include "modbus.h"

#include "sys_params.h"

#include "func_handler.h"

#include "uart2.h"

#include

#include

#define TEMP_HUM_SLAVE_ADDR 2

#define TEMP_HUM_VAL_MAX_NUM 2

#define ALERT_BIT_MAX_NUM 30

#define ALERT_BYTE_NUM (ALERT_BIT_MAX_NUM/8+((ALERT_BIT_MAX_NUM%8)!=0))

#define GET_ALERT_BIT(val, pos) ((val[pos/8]>>(pos%8))&0x01)

typedef struct {

data di char [17];

u8 desc;

} ALERT;

#define ALERT_TABLE_LEN 20

static u8 btn_sta[MAIN_WIN_BTN_MAX_NUM] = {0};

static u8 btn_addr[MAIN_WIN_BTN_MAX_NUM] = {50, 51, 52, 69, 53, 54, 55, 70, 56, 57, 58, 59};

u16 main_win_val[MAIN_WIN_VAL_MAX_NUM];

u16 temp_hum_val[TEMP_HUM_VAL_MAX_NUM] = {0};

u16 date_val [MAIN_WIN_DATE_MAX_NUM] = {0};

u8 alert_val[ALERT_BYTE_NUM] = {0};

u8 old_alert_val[ALERT_BYTE_NUM] = {0};

ALERT alert_table[ALERT_TABLE_LEN];

u16 alert_num = 0;

bit is_main_win = 0;

void main_win_update()

{

}

void main_win_disp_date()

{

u8 len;

len = sprintf(common_buf, "%u:%u", (u16)date_val[3], (u16)date_val[4]);

common_buf[len+1] = 0;

sys_write_vp(MAIN_WIN_DATE_VP, common_buf, len/2+2);

}

void main_win_process_alert ()

{

u8 i;

for(i=0;i

{

if(GET_ALERT_BIT(vecchia_valle_alerta, i))

cuntinuà;

if(GET_ALERT_BIT(valle_alerta, i))

{

if(alert_num>=ALERT_TABLE_LEN)

alert_num = ALERT_TABLE_LEN-1;

alert_table[alert_num].desc = i+1;

sprintf(alert_table[alert_num].date, "%u/%u/%u %u:%u",

date_val[0], date_val[1], date_val[2], date_val[3], date_val[4]

);

alert_num++;

}

}

memcpy (old_alert_val, alert_val, sizeof (alert_val));

}

void main_win_disp_alert()

{

u16 i;

u16 val;

u16 len = 0;

common_buf[0] = 0;

for(i=0;i

{

val = 0;

se (i

{

val = alert_table.desc;

len += sprintf(common_buf+len, "%s\r\n", alert_table.date);

}

sys_write_vp(ALERT_WIN_DESC_START_VP+i, (u8*)&val, 1);

}

common_buf[len+1] = 0;

sys_write_vp(ALERT_WIN_DATE_VP, common_buf, len/2+2);

}

void main_win_init()

{

float fixed_val;

u8 i;

is_main_win = 1;

 

main_win_val[5] = (u16)(temp_hum_val[0]/10.0+0.5f);

main_win_val[6] = (u16)(temp_hum_val[1]/10.0+0.5f);

for(i=0;i

{

se (i==0)

cuntinuà;

sys_write_vp(MAIN_WIN_WIND_SPEED_VP+MAIN_WIN_VAL_OFFSET*i, (u8*) & main_win_val, 1);

}

fixed_val = main_win_val[0]/WIND_SPEED_SCALE+FLOAT_FIX_VAL;

sys_write_vp(MAIN_WIN_WIND_SPEED_VP, (u8*) & fixed_val, 2);

}

void main_win_click_handler (u16 btn_val)

{

indice u8;

if(btn_val==0x0B)

{

main_win_disp_alert();

ritornu;

}

index = btn_val-1;

btn_sta[index] = !btn_sta[index];

if((index==3)||(index==7))

btn_sta[index] = 1;

modbus_write_bit(btn_addr[index], btn_sta[index]?0xFF00:0x0000);

btn_val = btn_sta[index];

sys_write_vp(MAIN_WIN_BTN_STA_START_VP+MAIN_WIN_BTN_STA_OFFSET*index, (u8*)&btn_val, 1);

if(index==9)

is_main_win = 0;

sinon if((index==3)||(index==7))

{

while(sys_get_touch_sta());

modbus_write_bit(btn_addr[index], 0x0000);

}

}

void main_win_msg_handler (u8 *msg,u16 msg_len)

{

u8 f_code = msg[MODBUS_RESPOND_POS_FUNC_CODE];

u8 data_len = msg[MODBUS_RESPOND_POS_DATA_LEN];

u8 i;

u8 offset;

msg_len = msg_len;

if(!is_main_win)

ritornu;

if((f_code==MODBUS_FUNC_CODE_03)&&(data_len==MAIN_WIN_VAL_MAX_NUM*2))

{

offset = MODBUS_RESPOND_POS_DATA;

for(i=0;i

{

main_win_val = SYS_GET_U16(msg[offset], msg[offset+1]);

offset += 2;

}

main_win_update();

}else if((f_code==MODBUS_FUNC_CODE_01)&&(data_len==ALERT_BYTE_NUM))

{

offset = MODBUS_RESPOND_POS_DATA;

for(i=0;i

{

alert_val = msg[offset];

offset++;

}

main_win_process_alert();

}else if((f_code==MODBUS_FUNC_CODE_03)&&(data_len==TEMP_HUM_VAL_MAX_NUM*2))

{

offset = MODBUS_RESPOND_POS_DATA;

for(i=0;i

{

temp_hum_val = SYS_GET_U16(msg[offset], msg[offset+1]);

offset += 2;

modbus_write_word(5+i, temp_hum_val);

}

main_win_update();

}else if((f_code==MODBUS_FUNC_CODE_03)&&(data_len==MAIN_WIN_DATE_MAX_NUM*2))

{

offset = MODBUS_RESPOND_POS_DATA;

for(i=0;i

{

data_val = SYS_GET_U16(msg[offset], msg[offset+1]);

offset += 2;

}

main_win_disp_date();

}

}

void main_win_read_temp_hum()

{

u8 old_slave_addr = SLAVE_ADDR;

        

sys_params.user_config[5] = TEMP_HUM_SLAVE_ADDR;

modbus_read_words(0, TEMP_HUM_VAL_MAX_NUM);

sys_params.user_config[5] = old_slave_addr;//Revert

}

void main_win_handler()

{

bandiera statica u8 = 0;

if (hè_principale_win)

{

if(alert_read_period==ALERT_READ_PERIOD)

{

alert_read_period = 0;

modbus_read_bits(510, ALERT_BIT_MAX_NUM);

ritornu;

}

if(date_update_period==DATE_UPDATE_PERIOD)

{

data_update_period = 0;

modbus_read_words(180, MAIN_WIN_DATE_MAX_NUM);

ritornu;

}

bandiera = !bandiera;

se (bandiera)

modbus_read_words(0, MAIN_WIN_VAL_MAX_NUM);

altru

main_win_read_temp_hum();

}

}

Riferimentu di codice modbus rtu:

#include "modbus.h"

#include "crc16.h"

#include "sys_params.h"

#define UART_INCLUDE "uart2.h"

#define UART_INIT uart2_init

#define UART_SEND_BYTES uart2_send_bytes

#define UART_BAUD 9600

#define MODBUS_RECV_TIMEOUT (u8) (35000.0f/UART_BAUD+2)

#define MODBUS_SEND_INTERVAL 150

#include UART_INCLUDE

bit staticu is_modbus_recv_complete = 0;

static u8 modbus_recv_buff[270];

static u16 modbus_recv_len = 0;//Lunghezza tutale di byte accettata

static u8 modbus_recv_timeout = 0;//Accetta u tempu di overflow

static volatile u16 modbus_send_interval = 0;

pacchettu MODBUS_PACKET;

void modbus_init()

{

UART_INIT(UART_BAUD);

}

void modbus_send_bytes (u8 *bytes,u16 len)

{

UART_SEND_BYTES(bytes,len);

}

void modbus_recv_byte (u8 byte)

{

if(is_modbus_recv_complete)

ritornu;

if(modbus_recv_len

modbus_recv_buff[modbus_recv_len++] = byte;

}

void modbus_check_recv_timeout()

{

if (modbus_recv_timeout)

{

modbus_recv_timeout--;

if(modbus_recv_timeout==0)

{

is_modbus_recv_complete = 1;

}

}

}

u8 modbus_send_packet (u8 *packet)

{

u16 len;

u16 crc;

u8 func_code = pacchettu [1];

while(modbus_send_interval);

if(func_code==MODBUS_FUNC_CODE_10)

{

((MODBUS_10_PACKET *) pacchettu) -> byte_num = ((MODBUS_10_PACKET *) pacchettu) -> word_num * 2;

len = 9+((MODBUS_10_PACKET*)packet)->byte_num;

}altri se (func_code==MODBUS_FUNC_CODE_0F)

{

len = ((MODBUS_0F_PACKET*)packet)->bit_num;

((MODBUS_0F_PACKET*)packet)->byte_num = len/8+(len%8?1:0);

len = 9+((MODBUS_0F_PACKET*)packet)->byte_num;

} altru

{

len = sizeof (MODBUS_PACKET);

}

crc = crc16 (pacchettu,len-2);

pacchettu[len-2] = (u8)(crc>>8);

pacchettu[len-1] = (u8)crc;

modbus_send_bytes(packet,len);

modbus_send_interval = MODBUS_SEND_INTERVAL;

ritornu 0;// Successu

}

extern void modbus_msg_handler(u8 *msg,u16 msg_len);

void modbus_handler()

{

u16 crc;

if(!is_modbus_recv_complete)

ritornu;

//Verificate u valore crc

crc = ((u16)modbus_recv_buff[modbus_recv_len-2]<<8)+modbus_recv_buff[modbus_recv_len-1];

if(crc16(modbus_recv_buff,modbus_recv_len-2)==crc)

{

modbus_msg_handler(modbus_recv_buff,modbus_recv_len);

}

modbus_recv_len = 0;

is_modbus_recv_complete = 0;

}

u8 modbus_send_fcode (u8 fcode, u16 addr, u16 len)

{

packet.slave_addr = SLAVE_ADDR;

packet.func_code = fcode;//Codice di funzione

packet.start_addr = addr;//Address

packet.data_len = len;//Valore scrittu

len = modbus_send_packet((u8*)&packet);

ritornu len;

}