EX3-藍牙 BLE 雙向測試

2023/12/30

BLE 雙向測試 V7RC 傳出的訊號可快速顯示在螢幕上

而 Pico_Game 按鈕按下後，也可回傳訊息至手機端顯示，雙向測試成功

V7RC 回傳的格式 MSGxxxxxx#

import st7789

import tft_config

import ble_uart_v7rc

import bluetooth

import ble_advertising

import math

tft = tft_config.config(1)

CH1 = None

CH2 = None

button_a = machine.Pin(2,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_b = machine.Pin(14,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_up = machine.Pin(8,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_down = machine.Pin(7,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_left = machine.Pin(15,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_right = machine.Pin(9,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_menu = machine.Pin(1,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

button_start = machine.Pin(0,machine.Pin.IN, machine.Pin.PULL_UP) #Internal pull-up

def color_hex(c):

if type(c) is str:

c = int(c[1:], 16)

r = (c >> 16) & 0xFF

g = (c >> 8) & 0xFF

b = c & 0xFF

return st7789.color565(r, g, b)

def rx_callback():

ble_data = uart.read().decode().strip()

CH1 = int(((ble_data)[3:7]),10)

CH2 = int(((ble_data)[7:11]),10)

import vga1_16x16 as vga1_16x16

tft.text(vga1_16x16,str((ble_data)), 0, 60, color_hex('#ffffff'))

print(CH1)

tft.init()

tft.fill(color_hex('#000000'))

CH1 = 1500

CH2 = 1500

ble = bluetooth.BLE(); uart=ble_uart_v7rc.ble_uart(ble, rx_callback=rx_callback, name="pico_car")

while True:

if button_a.value()==0:

uart.write("MSGPico_Game test#")

if button_b.value()==0:

uart.write("MSGHello,I am Mason#")

if button_up.value()==0:

uart.write("MSGUP_button#")

if button_down.value()==0:

uart.write("MSGDOWN_button#")

if button_left.value()==0:

uart.write("MSGLEFT_button#")

if button_right.value()==0:

uart.write("MSGRIGHT_button#")

if button_menu.value()==0:

uart.write("MSGMENU_button#")

if button_start.value()==0:

uart.write("MSGStart_button#")