比特币行情也能在手表上看了 - 麦步社区-论坛

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "maibu_sdk.h"
#include "maibu_res.h"
/*Web通讯ID*/
static uint32_t g_comm_id_web = 0;
/*Web request地址*/
#define DATA_WEB "http://api.huobi.com/staticmarket/ticker_btc_json.js"
/* 时间项 */
#define DATE_TEXT_POS_X 2
#define DATE_TEXT_POS_Y 6
#define DATE_TEXT_SIZE_W 70
#define DATE_TEXT_SIZE_H 14
#define TIME_TEXT_POS_X 90
#define TIME_TEXT_POS_Y 6
#define TIME_TEXT_SIZE_W 36
#define TIME_TEXT_SIZE_H 14
static const char weekday[7][11] =
{
{"周日"},
{"周一"},
{"周二"},
{"周三"},
{"周四"},
{"周五"},
{"周六"}
};
/*窗口ID*/
static int32_t g_window_id = -1;
//数据提示
static int32_t g_layer_id_text = -1;
//数据内容
static int32_t g_layer_id_data = -1;
//时间的句柄
static int32_t g_layer_id_time = -1;
//日期的句柄
static int32_t g_layer_id_date = -1;
//整个窗体句柄
static P_Window h_window;
void data_request_web()
{
/*拼接url请求地址, 注意url的缓存大小*/
char url[200] = "";
sprintf(url, "%s", DATA_WEB);
/*
拼接过滤参数，即只接受和过滤参数匹配的返回值
个人感觉这里的过滤可能是让手机做的，就是这里通知手机：json中的数据除了我制定的其他都过滤掉
*/
/*发送一次*/
g_comm_id_web = maibu_comm_request_web(url, "last", 0);
}
void add_text_layer(P_Window p_window, int32_t *p_layer_id, char *p_str, GRect *p_frame, enum GAlign align, int8_t font, enum GColor color)
{
LayerText text_cfg = {p_str, *p_frame, align, font, 0};
P_Layer layer = app_layer_create_text(&text_cfg);
app_layer_set_bg_color(layer, color);
P_Layer old_layer = app_window_get_layer_by_id(p_window, *p_layer_id);
if(old_layer)
{
*p_layer_id = app_window_replace_layer(p_window, old_layer, layer);
}
else
{
*p_layer_id = app_window_add_layer(p_window, layer);
}
}
static void add_time_bar(P_Window p_window)
{
/* 添加时间图层 */
uint8_t text_buf[40];
struct date_time t;
app_service_get_datetime(&t);
memset(text_buf, 0, sizeof(text_buf));
sprintf((char *)text_buf, "%s", (char *)&weekday[t.wday][0]);
sprintf(&text_buf[6], "%02d-%02d", t.mon, t.mday);
GRect frame;
frame.origin.x = DATE_TEXT_POS_X;
frame.origin.y = DATE_TEXT_POS_Y;
frame.size.h = DATE_TEXT_SIZE_H;
frame.size.w = DATE_TEXT_SIZE_W;
add_text_layer(p_window, &g_layer_id_date, (char*)text_buf, &frame, GAlignLeft, U_ASCII_ARIAL_14, GColorWhite);
frame.origin.x = TIME_TEXT_POS_X;
frame.origin.y = TIME_TEXT_POS_Y;
frame.size.h = TIME_TEXT_SIZE_H;
frame.size.w = TIME_TEXT_SIZE_W;
memset(text_buf, 0, sizeof(text_buf));
sprintf(text_buf, "%02d:%02d", t.hour, t.min);
add_text_layer(p_window, &g_layer_id_time, (char*)text_buf, &frame, GAlignLeft, U_ASCII_ARIAL_14, GColorWhite);
}
P_Window init_btc_window()
{
static P_Window p_window;
p_window = app_window_create();
if (NULL == p_window)
{
return NULL;
}
/* 添加表盘背景 */
GRect frame = {{0, 0}, {128, 128}};
GBitmap bitmap;
res_get_user_bitmap(BMP_STOCK_BG, &bitmap);
LayerBitmap layer_bitmap = {bitmap, frame, GAlignCenter};
P_Layer layer = app_layer_create_bitmap(&layer_bitmap);
app_window_add_layer(p_window, layer);
/* 添加时间栏 */
add_time_bar(p_window);
/*加入你的代码 begin*/
/*添加数据提示信息*/
GRect frame_main = {{0, 30}, {16, 128}};
add_text_layer(p_window, &g_layer_id_text, "BTC", &frame_main, GAlignCenter, U_ASCII_ARIAL_14, GColorWhite);
/*添加数据*/
GRect frame_data = {{0, 60}, {16, 128}};
add_text_layer(p_window, &g_layer_id_data, "waiting", &frame_data, GAlignCenter, U_ASCII_ARIAL_14, GColorWhite);
return p_window;
}
void data_comm_result_callback(enum ECommResult result, uint32_t comm_id, void *context)
{
/*如果上一次请求WEB通讯失败，并且通讯ID相同，则重新发送*/
if ((result == ECommResultFail) && (comm_id == g_comm_id_web))
{
data_request_web();
}
}
static void web_recv_callback(const uint8_t *buff, uint16_t size)
{
char stock_gid[10];
char i;
maibu_get_json_str(buff, "last", stock_gid, 10);
for (i=0;i<10;i++)
{
if (stock_gid[i]=='}')
{
stock_gid[i]=0;
}
}
/*添加数据*/
GRect frame_data = {{0, 60}, {16, 128}};
add_text_layer(h_window, &g_layer_id_data, stock_gid, &frame_data, GAlignCenter, U_ASCII_ARIAL_14, GColorWhite);
app_window_update(h_window);
}
static void watch_time_change_callback(enum SysEventType type, void *context)
{
/*时间更改，分变化*/
if (type == SysEventTypeTimeChange)
{
uint8_t text_buf[40];
struct date_time t;
app_service_get_datetime(&t);
memset(text_buf, 0, sizeof(text_buf));
sprintf((char *)text_buf, "%s", (char *)&weekday[t.wday][0]);
sprintf(&text_buf[6], "%02d-%02d", t.mon, t.mday);
GRect frame;
frame.origin.x = DATE_TEXT_POS_X;
frame.origin.y = DATE_TEXT_POS_Y;
frame.size.h = DATE_TEXT_SIZE_H;
frame.size.w = DATE_TEXT_SIZE_W;
add_text_layer(h_window, &g_layer_id_date, (char*)text_buf, &frame, GAlignLeft, U_ASCII_ARIAL_14, GColorWhite);
frame.origin.x = TIME_TEXT_POS_X;
frame.origin.y = TIME_TEXT_POS_Y;
frame.size.h = TIME_TEXT_SIZE_H;
frame.size.w = TIME_TEXT_SIZE_W;
memset(text_buf, 0, sizeof(text_buf));
sprintf(text_buf, "%02d:%02d", t.hour, t.min);
add_text_layer(h_window, &g_layer_id_time, (char*)text_buf, &frame, GAlignLeft, U_ASCII_ARIAL_14, GColorWhite);
app_window_update(h_window);
}
}
static void data_timer_callback(date_time_t tick_time, uint32_t millis, void *context)
{
data_request_web();
}
int main()
{
/*创建消息列表窗口*/
h_window = init_btc_window();
//订阅时间改变事件
maibu_service_sys_event_subscribe(watch_time_change_callback);
/*放入窗口栈显示*/
g_window_id = app_window_stack_push(h_window);
data_request_web();
/*注册通讯结果回调*/
maibu_comm_register_result_callback(data_comm_result_callback);
//注册网络请求回调函数
maibu_comm_register_web_callback(web_recv_callback);
//聚合数据源每隔10s更新数据
app_window_timer_subscribe(h_window, 10000, data_timer_callback, (void *)h_window);
return 0;
}

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