99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
#pragma once
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#include "reg.hpp"
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#include <stdint.h>
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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bool dummy_function(bool flag);
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enum MCP2521_RX_BUFFER {
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RXB0 = 0,
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RXB1 = 1
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};
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enum MCP2521_TX_BUFFER {
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TXB0 = 0,
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TXB1 = 1,
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TXB2 = 2
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};
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enum MCP2521_BUFFER_TYPE {
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ID = 0,
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DATA = 1
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};
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class MCP2521_SPI_Interface {
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private:
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char spi_rx_buffer[32];
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char spi_tx_buffer[32];
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spi_bus_config_t * spi_bus_config;
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spi_device_interface_config_t spi_device_config;
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spi_device_handle_t spi_device_handle;
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public:
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spi_bus_config_t * getSPI_bus_config();
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MCP2521_SPI_Interface(
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spi_host_device_t spi_host,
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spi_bus_config_t *bus_config,
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gpio_num_t mosi,
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gpio_num_t miso,
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gpio_num_t sclk,
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gpio_num_t cs,
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gpio_num_t int_pin
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);
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MCP2521_SPI_Interface(
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spi_host_device_t spi_host,
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spi_bus_config_t *bus_config,
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gpio_num_t cs,
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gpio_num_t int_pin
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);
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~MCP2521_SPI_Interface();
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static void initSPIBus(
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spi_host_device_t spi_host,
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gpio_num_t mosi,
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gpio_num_t miso,
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gpio_num_t sclk,
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spi_bus_config_t *bus_config
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);
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void initSPIDevice(
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spi_host_device_t spi_host,
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gpio_num_t cs
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);
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void deinitSPI();
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void initPins(
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gpio_num_t int_pin
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);
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void deinitPins();
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void reset();
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void read_reg(uint8_t address, uint8_t *data, size_t length);
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uint8_t read_reg(uint8_t address);
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void read_rx_buf(MCP2521_RX_BUFFER buffer, MCP2521_BUFFER_TYPE type, uint8_t *data, size_t length);
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void write_reg(uint8_t address, uint8_t *data, size_t length);
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void write_reg(uint8_t address, uint8_t data);
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void write_tx_buf(MCP2521_TX_BUFFER buffer, MCP2521_BUFFER_TYPE type, uint8_t *data, size_t length);
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void request_to_send(bool txb2, bool txb1, bool txb0);
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void request_to_send(MCP2521_TX_BUFFER buffer);
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uint8_t read_status();
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uint8_t read_rx_status();
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void bit_modify(uint8_t address, uint8_t mask, uint8_t data);
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};
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