Compare commits
5 Commits
Author | SHA1 | Date | |
---|---|---|---|
fb8cfebbd0 | |||
d006e1e40c | |||
4d1286cfb2 | |||
c2993a5059 | |||
db08c99afe |
@ -5,8 +5,6 @@
|
||||
1. ESP8266 RTOS_SDK v3.4
|
||||
2. ESP32 ESP-IDF v5.2
|
||||
|
||||
## [Function description](http://zh-onewire.zh.com.ru)
|
||||
|
||||
## Using
|
||||
|
||||
In an existing project, run the following command to install the component:
|
||||
@ -31,6 +29,7 @@ Search 1-Wire devices on bus:
|
||||
|
||||
void app_main(void)
|
||||
{
|
||||
esp_log_level_set("zh_onewire", ESP_LOG_NONE);
|
||||
uint8_t *rom = NULL;
|
||||
zh_onewire_init(GPIO_NUM_5);
|
||||
if (zh_onewire_reset() != ESP_OK)
|
||||
|
@ -1,9 +1,3 @@
|
||||
/**
|
||||
* @file
|
||||
* Header file for the zh_onewire component.
|
||||
*
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "stdio.h"
|
||||
|
@ -1 +1 @@
|
||||
1.0.0
|
||||
1.0.1
|
18
zh_onewire.c
18
zh_onewire.c
@ -1,12 +1,5 @@
|
||||
/**
|
||||
* @file
|
||||
* The main code of the zh_onewire component.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "zh_onewire.h"
|
||||
|
||||
/// \cond
|
||||
#define MASTER_RESET_PULSE_DURATION 480 // Reset time high. Reset time low.
|
||||
#define RESPONSE_MAX_DURATION 60 // Presence detect high.
|
||||
#define PRESENCE_PULSE_MAX_DURATION 240 // Presence detect low.
|
||||
@ -15,24 +8,21 @@
|
||||
#define TIME_SLOT_DURATION 120 // Time slot.
|
||||
#define VALID_DATA_DURATION 15 // Valid data duration.
|
||||
|
||||
#define SKIP_ROM 0xCC
|
||||
#define MATCH_ROM 0x55
|
||||
#define READ_ROM 0x33
|
||||
#define SEARCH_ROM 0xF0
|
||||
#define SKIP_ROM 0xCC // Skip ROM command to address all 1-Wire devices.
|
||||
#define MATCH_ROM 0x55 // Match ROM command to address a specific 1-Wire device.
|
||||
#define READ_ROM 0x33 // Read ROM command for read ROM on only one 1-Wire device.
|
||||
#define SEARCH_ROM 0xF0 // Read ROM on all 1-Wire devices.
|
||||
|
||||
#define pgm_read_byte(addr) (*(const uint8_t *)(addr))
|
||||
/// \endcond
|
||||
|
||||
static uint8_t _read_bit(void);
|
||||
static void _send_bit(const uint8_t bit);
|
||||
|
||||
/// \cond
|
||||
#ifdef CONFIG_IDF_TARGET_ESP8266
|
||||
#define esp_delay_us(x) os_delay_us(x)
|
||||
#else
|
||||
#define esp_delay_us(x) esp_rom_delay_us(x)
|
||||
#endif
|
||||
/// \endcond
|
||||
|
||||
static const char *TAG = "zh_onewire";
|
||||
|
||||
|
Reference in New Issue
Block a user