{"id":100776,"date":"2021-07-16T10:23:48","date_gmt":"2021-07-16T08:23:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-pine64-vypustil-vodoneproniczaemye-umnye-chasy-pinetime"},"modified":"2021-07-16T10:23:48","modified_gmt":"2021-07-16T08:23:50","slug":"proekt-pine64-vypustil-vodoneproniczaemye-umnye-chasy-pinetime","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/proekt-pine64-vypustil-vodoneproniczaemye-umnye-chasy-pinetime","title":{"rendered":"O projeto Pine64 lan\u00e7ou o rel\u00f3gio inteligente \u00e0 prova d'\u00e1gua PineTime","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A comunidade Pine64, dedicada \u00e0 cria\u00e7\u00e3o de dispositivos abertos, lan\u00e7ou \u00e0 venda o rel\u00f3gio inteligente PineTime, que vem em um inv\u00f3lucro herm\u00e9tico capaz de resistir a mergulhos de at\u00e9 1 metro de profundidade. O pre\u00e7o do dispositivo \u00e9 de $26,99. Diferente do kit de desenvolvimento anteriormente dispon\u00edvel, esta nova vers\u00e3o do rel\u00f3gio n\u00e3o conta com uma interface de depura\u00e7\u00e3o de baixo n\u00edvel e \u00e9 voltada para o consumidor comum (experimentos com a instala\u00e7\u00e3o de firmware n\u00e3o verificado n\u00e3o s\u00e3o recomendados devido \u00e0s limitadas possibilidades de recupera\u00e7\u00e3o em caso de falhas de firmware). <\/p>\n

O rel\u00f3gio PineTime \u00e9 baseado no microcontrolador NRF52832 MCU (64 MHz) e vem equipado com 512 KB de mem\u00f3ria Flash de sistema, 4 MB de Flash para dados do usu\u00e1rio, 64 KB de RAM, uma tela sens\u00edvel ao toque de 1,3 polegadas com resolu\u00e7\u00e3o de 240\u00d7240 pixels (IPS, 65K cores), Bluetooth 5, aceler\u00f4metro (usado como ped\u00f4metro), sensor de pulso e motor de vibra\u00e7\u00e3o. A bateria (180 mAh) dura de 3 a 5 dias de uso aut\u00f4nomo. Peso \u2014 38 gramas.

\"O<\/center> <\/p>\n

O dispositivo PineTime, agora dispon\u00edvel para venda, vem com uma nova vers\u00e3o do firmware InfiniTime 1.2. As mudan\u00e7as nesta nova vers\u00e3o incluem a adi\u00e7\u00e3o do aplicativo 'metr\u00f4nomo', melhorias no funcionamento do aplicativo 'temporizador' e esfor\u00e7os para reduzir o consumo de mem\u00f3ria RAM e Flash. O tamanho do firmware foi reduzido de 420 KB para 340 KB.

\"O\"O<\/center> <\/p>\n

No firmware padr\u00e3o InfiniTime, \u00e9 utilizado o sistema operacional de tempo real FreeRTOS 10, a biblioteca gr\u00e1fica LittleVGL 7 e a pilha Bluetooth NimBLE 1.3.0. O carregador do firmware \u00e9 baseado no MCUBoot. O firmware pode ser atualizado atrav\u00e9s de atualiza\u00e7\u00f5es OTA, transmitidas do smartphone via Bluetooth LE. <\/p>\n

O c\u00f3digo da interface do usu\u00e1rio \u00e9 escrito em C++ e inclui funcionalidades como rel\u00f3gios (digitais e anal\u00f3gicos), rastreador de fitness (monitor de pulso e ped\u00f4metro), exibi\u00e7\u00e3o de notifica\u00e7\u00f5es de eventos do smartphone, lanterna, controle de reprodu\u00e7\u00e3o de m\u00fasica no smartphone, exibi\u00e7\u00e3o de instru\u00e7\u00f5es do navegador, cron\u00f4metro e dois jogos simples (Paddle e 2048). Atrav\u00e9s das configura\u00e7\u00f5es, \u00e9 poss\u00edvel definir o tempo de desligamento da tela, formato da hora, condi\u00e7\u00f5es de despertar, alterar o brilho da tela, avaliar a carga da bateria e a vers\u00e3o do firmware. <\/p>\n

No smartphone e computador, para gerenciar os rel\u00f3gios, podem ser usados os aplicativos Gadgetbridge (para Android), Amazfish (para Sailfish e Linux) e Siglo (para Linux). H\u00e1 suporte experimental para o WebBLEWatch, um aplicativo da web para sincronizar rel\u00f3gios a partir de navegadores que suportam a API Web Bluetooth. <\/p>\n

Al\u00e9m disso, para o PineTime, entusiastas prepararam um novo firmware alternativo chamado Malila, baseado no RIOT OS, que possui uma interface no estilo GNOME (fonte Cantarell, \u00edcones e estilo GNOME) e suporta MicroPython. Junto com o InfiniTime e o Malila, tamb\u00e9m est\u00e3o em desenvolvimento firmwares para o PineTime com base nas plataformas Zephyr, Mynewt OS, MbedOS, TinyGo, WaspOS (baseado em Micropython) e PinetimeLite (uma modifica\u00e7\u00e3o ampliada do firmware InfiniTime). <\/p>\n

Entre as not\u00edcias do projeto Pine64, destaca-se a implementa\u00e7\u00e3o do suporte a acelera\u00e7\u00e3o de hardware para reprodu\u00e7\u00e3o de v\u00eddeo no smartphone PinePhone, utilizando VPU dispon\u00edvel no SoC Allwinner A64. O PinePhone agora consegue exibir v\u00eddeos com qualidade de 1080p a 30fps, o que pode ser \u00fatil para assistir v\u00eddeos ao conectar o PinePhone a uma tela externa. Entre outras altera\u00e7\u00f5es, menciona-se a prepara\u00e7\u00e3o de uma imagem com o firmware baseado no Arch Linux ARM e a interface KDE Plasma Mobile 5.22. At\u00e9 a vers\u00e3o 21.06, os firmwares baseados no postmarketOS foram atualizados, oferecidos em vers\u00f5es com interfaces Phosh, KDE Plasma Mobile e SXMO.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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