/* * i2c_pcal64xx.h * * Created on: May 3, 2024 * Author: tm * * Support for pcal6416 and pcal6408a */ #ifndef I2C_PCAL64XX_H_ #define I2C_PCAL64XX_H_ int pcal6416_probe(void); int pcal6416_test(void); int pcal6416_init(void); int pcal6416_reset(void); int pcal6416_write_default(void); int pcal6416_start(void); int pcal6416_stop(void); int pcal6416_read8_port(uint32_t portNum, uint8_t *data); int pcal6416_read16_port(uint32_t portNum, uint8_t *data0, uint8_t *data1); int pcal6416_write8_port(uint32_t portNum, uint8_t data); int pcal6416_write1_port(uint32_t portNum, uint8_t bitNum, uint32_t state); int pcal6416_write_port_bit(uint8_t regNum, uint8_t bitMask, uint32_t state); int pcal6408_probe(void); int pcal6408_test(void); int pcal6408_init(void); int pcal6408_reset(void); int pcal6408_write_default(void); int pcal6408_start(void); int pcal6408_stop(void); int pcal6408_read8_port(uint32_t portNum, uint8_t *data); int pcal6408_write8_port(uint32_t portNum, uint8_t data); int pcal6408_write1_port(uint32_t portNum, uint8_t bitNum, uint32_t state); // https://github.com/SolderedElectronics/Soldered-PCAL6416A-IO-Expander-Arduino-Library/blob/main/src/PCAL6416A-SOLDERED.h //Following the successful acknowledgment of I2C addr, controller sends a command byte, stored in the Pointer register in the PCAL6416A #ifdef APFTODO //Outputs Spec_Pwr Pump_Pwr Lamp_Pwr Lamp_D Lamp_W Lamp_Shutter //Inputs VsysLow Spec_Pwr_Fdbk Pump_Pwr_Fdbk Lamp_Pwr_Fdbk Lamp_Ctr_Alarm #endif //#define SPEC_PWR_BIT 0x02 #define APF_ERROR ()-1) //#if BOARD_MSC == 2 // IO_PORT_0 #define DURA_PWR_ON 0x01 // no longer used in MSC3 #define SPEC_PWR_ON 0x02 #define REFD_PWR_ON 0x04 #define PUMP_PWR_ON 0x08 #define LAMP_PWR_ON 0x10 #define LAMP_DU_ENABLE 0x20 #define LAMP_W_ENABLE 0x40 #define LAMP_SHUT_ENABLE 0x80 // IO_PORT_1 #define DURA_PWR_FDBK 0x01 #define SPEC_PWR_FDBK 0x02 #define REFD_PWR_FDBK 0x04 #define PUMP_PWR_FDBK 0x08 #define LAMP_PWR_FDBK 0x10 #define LAMP_CTR_ALARM 0x20 #define TH_HI_ALARM 0x40 #define TH_LO_ALARM 0x80 //#endif #if BOARD_MSC == 3 #define SPEC_PWR_ON 0x01 // no longer used in MSC3 #define PUMP_PWR_ON 0x02 #define LAMP_PWR_ON 0x04 #define LAMP_DU_ENABLE 0x08 #define LAMP_W_ENABLE 0x10 #define LAMP_SHUT_ENABLE 0x20 #define IO_SPARE1 0x40 #define IO_SPARE2 0x80 // IO_PORT_1 #define IO_SPARE3 0x01 #define IO_SPARE4 0x02 #define IO_SPARE5 0x04 #define VSYSLOW 0x08 #define SPEC_PWR_FDBK 0x10 #define PUMP_PWR_FDBK 0x20 #define LAMP_PWR_FDBK 0x40 #define LAMP_CTR_ALARM 0x80 #endif #define PCAL6416_I2C_8BIT_ADDR 0x40 // I2C bus address (7bit: 0x20/0x21) //#define PCAL6416_CHIPID_VAL // does not appear to have CHIP ID // PCAL6416A Register map, Command byte #define PCAL6416A_IN_PORT0 0x00 #define PCAL6416A_IN_PORT1 0x01 #define PCAL6416A_OUT_PORT0 0x02 //PCAL6416_OUTPUT_PORT0 #define PCAL6416A_OUT_PORT1 0x03 #define PCAL6408A_POL_INV0 0x04 #define PCAL6416A_POL_INV1 0x05 #define PCAL6408A_CONFIG0 0x06 #define PCAL6408A_CONFIG1 0x07 #define PCAL6416A_OUT_DRV0 0x40 #define PCAL6416A_OUT_DRV1 0x41 #define PCAL6416A_OUT_DRV2 0x42 #define PCAL6416A_OUT_DRV3 0x43 #define PCAL6416A_IN_LATCH0 0x44 #define PCAL6416A_IN_LATCH1 0x45 #define PCAL6416A_PUPDEN0 0x46 //PULL_UP_DOWN_EN #define PCAL6416A_PUPDEN1 0x47 #define PCAL6416A_PUPDSEL0 0x48 // PULL_UP_DOWN_SEL #define PCAL6416A_PUPDSEL1 0x49 #define PCAL6416A_INTMSK0 0x4A #define PCAL6416A_INTMSK1 0x4B #define PCAL6416A_INTSTAT0 0x4C #define PCAL6416A_INTSTAT1 0x4D #define PCAL6416A_OUTPORT_CONFIG 0x4F #define PCAL6416A_A0 0 #define PCAL6416A_A1 1 #define PCAL6416A_A2 2 #define PCAL6416A_A3 3 #define PCAL6416A_A4 4 #define PCAL6416A_A5 5 #define PCAL6416A_A6 6 #define PCAL6416A_A7 7 #define PCAL6416A_B0 8 #define PCAL6416A_B1 9 #define PCAL6416A_B2 10 #define PCAL6416A_B3 11 #define PCAL6416A_B4 12 #define PCAL6416A_B5 13 #define PCAL6416A_B6 14 #define PCAL6416A_B7 15 #define INPUT_PULLDOWN 3 // Very similar to PCA953x // from nordic // https://infocenter.nordicsemi.com/index.jsp?topic=%2Fsdk_nrf5_v17.0.2%2Fgroup__pcal6408a__driver.html #define PCAL6408A_BASE_ADDRESS 0x42 //A0=1 (7bit 0x21) #define PCAL6408A_IN_PORT 0x00 #define PCAL6408A_OUT_PORT 0x01 #define PCAL6408A_POL_INV 0x02 #define PCAL6408A_CONFIG 0x03 #define PCAL6408A_OUT_DRV0 0x40 #define PCAL6408A_OUT_DRV1 0x41 #define PCAL6408A_IN_LATCH 0x42 #define PCAL6408A_PUPDEN 0x43 #define PCAL6408A_PUPDSEL 0x44 #define PCAL6408A_INTMASK 0x45 #define PCAL6408A_INTSTATUS 0x46 #define PCAL6408A_OUTPORT_CONFIG 0x4F #define PCAL6408A_PIN_DIR_OUT 0x00 #define PCAL6408A_PIN_DIR_IN 0x01 #define PCAL6408A_PORT_DIR_OUT 0x00 #define PCAL6408A_PORT_DIR_IN 0xFF #define PCAL6408A_PIN_CLR 0x00 #define PCAL6408A_PIN_SET 0x01 #define PCAL6408A_PIN_NOPULL 0x00 #define PCAL6408A_PIN_PULLDOWN 0x01 #define PCAL6408A_PIN_PULLUP 0x02 #define PCAL6408A_PORT_WRITE 0x00 #define PCAL6408A_PORT_CLEAR 0x01 #define PCAL6408A_PORT_SET 0x02 #define PCAL6408A_PIN_25_DRV_STREN 0x00 #define PCAL6408A_PIN_50_DRV_STREN 0x01 #define PCAL6408A_PIN_75_DRV_STREN 0x02 #define PCAL6408A_PIN_100_DRV_STREN 0x03 #define PCAL6408A_PORT_PUSH_PULL 0x00 #define PCAL6408A_PORT_OPEN_DRAIN 0x01 #define PCAL6408_OUTPUT_REG 0x01 #define PCAL6408_CONFIGURATION_REG 0x03 #ifdef OLDCF2CODE // PCAL6416 COMMAND BYTE REGISTER ADDRESSES #define PCAL6416_INPUT_PORT0 0x00 #define PCAL6416_INPUT_PORT1 0x01 #define PCAL6416_OUTPUT_PORT0 0x02 #define PCAL6416_OUTPUT_PORT1 0x03 #define PCAL6416_INVERT_REG0 0x04 #define PCAL6416_INVERT_REG1 0x05 #define PCAL6416_CONFIG_REG0 0x06 #define PCAL6416_CONFIG_REG1 0x07 #define PCAL6416_DRIVE_REG0 0x40 #define PCAL6416_DRIVE_REG1 0x41 #define PCAL6416_DRIVE_REG2 0x42 #define PCAL6416_DRIVE_REG3 0x43 #define PCAL6416_LATCH_REG0 0x44 #define PCAL6416_LATCH_REG1 0x45 #define PCAL6416_PULLENB_REG0 0x46 #define PCAL6416_PULLENB_REG1 0x47 #define PCAL6416_PULLDIR_REG0 0x48 #define PCAL6416_PULLDIR_REG1 0x49 #define PCAL6416_INTMASK_REG0 0x4A #define PCAL6416_INTMASK_REG1 0x4B #define PCAL6416_INTSTAT_REG0 0x4C #define PCAL6416_INTSTAT_REG1 0x4D #define PCAL6416_OUTCONFIG_REG 0x4F // PCAL6416 DEFAULT OUTPUT PORT DATA VALUES #define PCAL6416_OUTPUT_VAL0 0x00 #define PCAL6416_OUTPUT_VAL1 0x00 // PCAL6416 DEFAULT INVERT PORT BYTE VALUES #define PCAL6416_INVERT_VAL0 0x00 //disable all inversion #define PCAL6416_INVERT_VAL1 0x00 //disable all inversion // PCAL6416 DEFAULT CONFIG PORT BYTE VALUES (PIN DATA DIRECTION) #define PCAL6416_CONFIG_VAL0 0x00 //set to outputs #define PCAL6416_CONFIG_VAL1 0xFF //set to inputs // PCAL6416 DEFAULT PULL-UP/DOWN ENABLE VALUES #define PCAL6416_PULLENB_VAL0 0x00 //disable pull-up/down resistors on port 0 #define PCAL6416_PULLENB_VAL1 0xFF //enable pull-up/down resistros on port 1 // PCAL6416 DEFAULT OUTPUT PORT CONFIGURATION VALUE (PUSH-PULL OR OPEN-DRAIN) #define PCAL6416_OUTCONFIG_VAL 0x00 //set to push-pull, per datasheet this value should be set prior to writing to the config regs // PCAL6416 READ REGISTER OFFSET FROM ASSOCIATED WRITE REGISTER #define PCAL6416_RD_OFFSET 0x02 // PCAL6416 APF CONTROLLER BOARD PIN ASSIGNMENTS // IO_PORT_0 #define DURA_PWR_ON 0x01 #define SPEC_PWR_ON 0x02 #define REFD_PWR_ON 0x04 #define PUMP_PWR_ON 0x08 #define LAMP_PWR_ON 0x10 #define LAMP_DU_ENABLE 0x20 #define LAMP_W_ENABLE 0x40 #define LAMP_SHUT_ENABLE 0x80 // IO_PORT_1 #define DURA_PWR_FDBK 0x01 #define SPEC_PWR_FDBK 0x02 #define REFD_PWR_FDBK 0x04 #define PUMP_PWR_FDBK 0x08 #define LAMP_PWR_FDBK 0x10 #define LAMP_CTR_ALARM 0x20 #define TH_HI_ALARM 0x40 #define TH_LO_ALARM 0x80 #endif #endif /* I2C_PCAL64XX_H_ */