有没有用新唐的i2c驱动max30100的啊

只看该作者 · 2016-2-18 16:26

现在是能够采集，但是不知道采集的数据是否正确，该应该如何判断呢
如果想加多个max30100芯片，可不可以修改这种iic芯片的地址呢？

只看该作者 · 2016-2-18 19:59

用模拟iic吧，修改芯片内的地址不容易吧

只看该作者 · 2016-2-19 20:17

这种医疗芯片用的比较少吧

1万 · 2016-2-20 09:28

用的人太少了，所以肯定你做这个也很赚钱吧，好多人不会啊，你老板不多给你几毛钱？

1万 · 2016-2-20 09:29

Key Features
•Complete Pulse Oximeter and Heart-Rate Sensor Solution Simplifies Design ◦Integrated LEDs, Photo Sensor, and High-Performance Analog Front-End
◦Tiny 5.6mm x 2.8mm x 1.2mm 14-Pin Optically Enhanced System-in-Package

•Ultra-Low-Power Operation Increases Battery Life for Wearable Devices ◦Programmable Sample Rate and LED Current for Power Savings
◦ Ultra-Low Shutdown Current (0.7µA, typ)

•Advanced Functionality Improves Measurement Performance ◦High SNR Provides Robust Motion Artifact Resilience
◦Integrated Ambient Light Cancellation
◦High Sample Rate Capability
◦Fast Data Output Capability

1万 · 2016-2-20 09:30

复制

START; Send device address + write mode Send address of FIFO_WR_PTR; REPEATED_START; Send device address + read mode Read FIFO_WR_PTR; STOP; The central processor evaluates the number of samples to be read from the FIFO: NUM_AVAILABLE_SAMPLES = FIFO_WR_PTR – FIFO_RD_PTR (Note: pointer wrap around should be taken into account) NUM_SAMPLES_TO_READ = < less than or equal to NUM_AVAILABLE_SAMPLES > Second transaction: Read NUM_SAMPLES_TO_READ samples from the FIFO: START; Send device address + write mode Send address of FIFO_DATA; REPEATED_START; Send device address + read mode for (i = 0; i < NUM_SAMPLES_TO_READ; i++) { Read FIFO_DATA; Save IR[15:8]; Read FIFO_DATA; Save IR[7:0]; Read FIFO_DATA; Save R[15:8]; Read FIFO_DATA; Save R[7:0]; } STOP;