libeasymcp2221/mcp2221__constants_8h_source.html

#ifndef MCP2221_CONSTANTS_H

#define MCP2221_CONSTANTS_H


#define MCP2221_DEV_DEFAULT_VID     0x04D8


#define MCP2221_DEV_DEFAULT_PID     0x00DD


#define MCP2221_PACKET_SIZE         64


#define MCP2221_DIR_OUTPUT          0


#define MCP2221_DIR_INPUT           1


#define MCP2221_I2C_ADDR_7BIT_MAX       127


#define MCP2221_I2C_TRANSFER_MAX         65535u


#define MCP2221_I2C_SPEED_MAX_HZ         400000u


#define MCP2221_CMD_POLL_STATUS_SET_PARAMETERS    0x10

#define MCP2221_CMD_SET_GPIO_OUTPUT_VALUES        0x50

#define MCP2221_CMD_GET_GPIO_VALUES               0x51

#define MCP2221_CMD_SET_SRAM_SETTINGS             0x60

#define MCP2221_CMD_GET_SRAM_SETTINGS             0x61

#define MCP2221_CMD_I2C_READ_DATA_GET_I2C_DATA    0x40

#define MCP2221_CMD_I2C_WRITE_DATA                0x90

#define MCP2221_CMD_I2C_READ_DATA                 0x91

#define MCP2221_CMD_I2C_WRITE_DATA_REPEATED_START 0x92

#define MCP2221_CMD_I2C_READ_DATA_REPEATED_START  0x93

#define MCP2221_CMD_I2C_WRITE_DATA_NO_STOP        0x94

#define MCP2221_CMD_READ_FLASH_DATA               0xB0

#define MCP2221_CMD_WRITE_FLASH_DATA              0xB1

#define MCP2221_CMD_SEND_FLASH_ACCESS_PASSWORD    0xB2

#define MCP2221_CMD_RESET_CHIP                    0x70

#define MCP2221_RESPONSE_RESULT_OK      0

#define MCP2221_RESPONSE_ECHO_BYTE      0

#define MCP2221_RESPONSE_STATUS_BYTE    1

#define MCP2221_FLASH_DATA_CHIP_SETTINGS          0x00

#define MCP2221_FLASH_DATA_GP_SETTINGS            0x01

#define MCP2221_FLASH_DATA_USB_MANUFACTURER       0x02

#define MCP2221_FLASH_DATA_USB_PRODUCT            0x03

#define MCP2221_FLASH_DATA_USB_SERIALNUM          0x04

#define MCP2221_FLASH_DATA_CHIP_SERIALNUM         0x05

#define MCP2221_USB_CURRENT_MAX_MA           500u


#define MCP2221_GPIO_GP0    0

#define MCP2221_GPIO_GP1    1

#define MCP2221_GPIO_GP2    2

#define MCP2221_GPIO_GP3    3

#define MCP2221_GPIO_FUNC_GPIO      0x00u

#define MCP2221_GPIO_FUNC_DEDICATED 0x01u

#define MCP2221_GPIO_FUNC_ALT_0     0x02u

#define MCP2221_GPIO_FUNC_ALT_1     0x03u

#define MCP2221_GPIO_FUNC_ALT_2     0x04u

#define MCP2221_GPIO_FUNC_ADC       MCP2221_GPIO_FUNC_ALT_0

#define MCP2221_GPIO_FUNC_DAC       MCP2221_GPIO_FUNC_ALT_1

#define MCP2221_ADC_VRM_OFF         (0x00u << 1)

#define MCP2221_ADC_VRM_1024        (0x01u << 1)

#define MCP2221_ADC_VRM_2048        (0x02u << 1)

#define MCP2221_ADC_VRM_4096        (0x03u << 1)

#define MCP2221_ADC_REF_VRM         1

#define MCP2221_ADC_REF_VDD         0

#define MCP2221_DAC_VRM_OFF         (0x00u << 1)

#define MCP2221_DAC_VRM_1024        (0x01u << 1)

#define MCP2221_DAC_VRM_2048        (0x02u << 1)

#define MCP2221_DAC_VRM_4096        (0x03u << 1)

#define MCP2221_DAC_REF_VRM         1

#define MCP2221_DAC_REF_VDD         0

#define MCP2221_CLK_DUTY_0          (0x00u << 3)

#define MCP2221_CLK_DUTY_25         (0x01u << 3)

#define MCP2221_CLK_DUTY_50         (0x02u << 3)

#define MCP2221_CLK_DUTY_75         (0x03u << 3)

#define MCP2221_CLK_DIV_1           0x01u

#define MCP2221_CLK_DIV_2           0x02u

#define MCP2221_CLK_DIV_3           0x03u

#define MCP2221_CLK_DIV_4           0x04u

#define MCP2221_CLK_DIV_5           0x05u

#define MCP2221_CLK_DIV_6           0x06u

#define MCP2221_CLK_DIV_7           0x07u

#define MCP2221_CLK_FREQ_375kHz     MCP2221_CLK_DIV_7

#define MCP2221_CLK_FREQ_750kHz     MCP2221_CLK_DIV_6

#define MCP2221_CLK_FREQ_1_5MHz     MCP2221_CLK_DIV_5

#define MCP2221_CLK_FREQ_3MHz       MCP2221_CLK_DIV_4

#define MCP2221_CLK_FREQ_6MHz       MCP2221_CLK_DIV_3

#define MCP2221_CLK_FREQ_12MHz      MCP2221_CLK_DIV_2

#define MCP2221_CLK_FREQ_24MHz      MCP2221_CLK_DIV_1

#define MCP2221_MIN_VDD_VOLTS           3.0


#define MCP2221_MAX_VDD_VOLTS           5.5


#endif // MCP2221_CONSTANTS_H