thor/esphome-dev
1
0
Fork 0
mirror of https://github.com/Threnklyn/esphome-dev.git synced 2026-06-07 13:24:56 +02:00
Code Issues Packages Projects Releases Wiki Activity

MCP23XXX Refactor (#1560)

Browse Source 
* Refactor MCP23XXX classes to consolidate shared code

* Update test mcp23xxx pin schemas
This commit is contained in:
Jesse Hills
2021-03-08 08:23:54 +13:00
committed by GitHub
parent 69879920eb
commit 570ec36fe3
25 changed files with 603 additions and 740 deletions
Download Patch File Download Diff File Expand all files Collapse all files
esphome/components/mcp23008/mcp23008.h
+5 -53
View File
@@ -1,71 +1,23 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/mcp23x08_base/mcp23x08_base.h"
#include "esphome/core/esphal.h"
#include "esphome/components/i2c/i2c.h"
namespace esphome {
namespace mcp23008 {
/// Modes for MCP23008 pins
enum MCP23008GPIOMode : uint8_t {
MCP23008_INPUT = INPUT, // 0x00
MCP23008_INPUT_PULLUP = INPUT_PULLUP, // 0x02
MCP23008_OUTPUT = OUTPUT // 0x01
};
enum MCP23008GPIORegisters {
// A side
MCP23008_IODIR = 0x00,
MCP23008_IPOL = 0x01,
MCP23008_GPINTEN = 0x02,
MCP23008_DEFVAL = 0x03,
MCP23008_INTCON = 0x04,
MCP23008_IOCON = 0x05,
MCP23008_GPPU = 0x06,
MCP23008_INTF = 0x07,
MCP23008_INTCAP = 0x08,
MCP23008_GPIO = 0x09,
MCP23008_OLAT = 0x0A,
};
class MCP23008 : public Component, public i2c::I2CDevice {
class MCP23008 : public mcp23x08_base::MCP23X08Base, public i2c::I2CDevice {
public:
MCP23008() = default;
void setup() override;
bool digital_read(uint8_t pin);
void digital_write(uint8_t pin, bool value);
void pin_mode(uint8_t pin, uint8_t mode);
void set_open_drain_ints(const bool value) { open_drain_ints_ = value; }
float get_setup_priority() const override;
void dump_config() override;
protected:
// read a given register
bool read_reg_(uint8_t reg, uint8_t *value);
// write a value to a given register
bool write_reg_(uint8_t reg, uint8_t value);
// update registers with given pin value.
void update_reg_(uint8_t pin, bool pin_value, uint8_t reg_a);
uint8_t olat_{0x00};
bool open_drain_ints_;
};
class MCP23008GPIOPin : public GPIOPin {
public:
MCP23008GPIOPin(MCP23008 *parent, uint8_t pin, uint8_t mode, bool inverted = false);
void setup() override;
void pin_mode(uint8_t mode) override;
bool digital_read() override;
void digital_write(bool value) override;
protected:
MCP23008 *parent_;
bool read_reg(uint8_t reg, uint8_t *value) override;
bool write_reg(uint8_t reg, uint8_t value) override;
};
} // namespace mcp23008