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October 26, 2020 19:31
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FT232H with MAX31855 thermocouple read
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{ | |
"cells": [ | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## Import libftd2xx" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
":dep libftd2xx" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"use libftd2xx::{Ftdi, FtdiCommon, BitMode};" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## open FTDI FT2232H with serial number" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"Device information: DeviceInfo { port_open: true, speed: None, device_type: FT232H, vendor_id: 0x0403, product_id: 0x6014, serial_number: FTY4S2TQ, description: UM232H }\n" | |
] | |
} | |
], | |
"source": [ | |
"let mut ft = Ftdi::new()?;\n", | |
"let info = ft.device_info()?;\n", | |
"println!(\"Device information: {:?}\", info);" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"### **defered**" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"ft.close()" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## MISO read" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 12, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"const MOSI:u8 = 0x02u8; //AD1\n", | |
"const SCK:u8 = 0x01u8; //AD0\n", | |
"const CS:u8 = 0x20u8; //AC5" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 25, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"ft.set_bit_mode(0, BitMode::Mpsse);\n", | |
"ft.write(&[0x8A, 0x86,11,0]); //2.5MHz SPI clk rate" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"read 4 bytes" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 47, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"ft.write(&[0x82,0, CS, 0x21,3,0,0x82, CS,CS, 0x87]); //cs low; read 4 bytes; cs high; send back\n", | |
"let mut buf:[u8;4] = [0;4];\n", | |
"ft.read(&mut buf);" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 48, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"[1, 240, 23, 64]" | |
] | |
}, | |
"execution_count": 48, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"buf" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"format data" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 49, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"31.0" | |
] | |
}, | |
"execution_count": 49, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"t = if buf[0] & (1<<7) == 0 {((buf[0] as f64)*((1<<6) as f64) + ((buf[1]>>2) as f64))/4.0} else {((buf[0] as f64)*((1<<6) as f64) + ((buf[1]>>2) as f64)-32768.0)/4.0}" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 50, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"23.25" | |
] | |
}, | |
"execution_count": 50, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"t_amb = if buf[2] & (1<<7) == 0 {((buf[2] as f64)*((1<<4) as f64) + ((buf[3]>>4) as f64))/16.0} else {((buf[2] as f64)*((1<<4) as f64) + ((buf[3]>>4) as f64)-8192.0)/16.0}" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"fault bit" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 55, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"0" | |
] | |
}, | |
"execution_count": 55, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"buf[1] &0x01" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"@webio": { | |
"lastCommId": null, | |
"lastKernelId": null | |
}, | |
"kernelspec": { | |
"display_name": "Rust", | |
"language": "rust", | |
"name": "rust" | |
}, | |
"language_info": { | |
"codemirror_mode": "rust", | |
"file_extension": ".rs", | |
"mimetype": "text/rust", | |
"name": "Rust", | |
"pygment_lexer": "rust", | |
"version": "" | |
}, | |
"toc": { | |
"base_numbering": 1, | |
"nav_menu": {}, | |
"number_sections": true, | |
"sideBar": true, | |
"skip_h1_title": false, | |
"title_cell": "Table of Contents", | |
"title_sidebar": "Contents", | |
"toc_cell": false, | |
"toc_position": {}, | |
"toc_section_display": true, | |
"toc_window_display": false | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 4 | |
} |
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