Thundersoft
/
VL6180XA1_for_TT_Mxx
Creating a project about VL6180XA1 for TT_Mxx
VL6180XA1/STMPE1600/STMPE1600.h
- Committer:
- ThunderSoft
- Date:
- 2019-04-26
- Revision:
- 3:7a97a01bad5e
- Parent:
- 0:293917667c17
File content as of revision 3:7a97a01bad5e:
#ifndef STMPE1600_H #define STMPE1600_H #include "mbed.h" #define STMPE1600_DEF_DEVICE_ADDRESS (uint8_t)0x42*2 #define STMPE1600_DEF_DIGIOUT_LVL 1 /** STMPE1600 registr map **/ #define ChipID_0_7 (uint8_t)0x00 #define ChipID_8_15 (uint8_t)0x01 #define VersionId (uint8_t)0x02 #define SYS_CTRL (uint8_t)0x03 #define IEGPIOR_0_7 (uint8_t)0x08 #define IEGPIOR_8_15 (uint8_t)0x09 #define ISGPIOR_0_7 (uint8_t)0x0A #define ISGPIOR_8_15 (uint8_t)0x0B #define GPMR_0_7 (uint8_t)0x10 #define GPMR_8_15 (uint8_t)0x11 #define GPSR_0_7 (uint8_t)0x12 #define GPSR_8_15 (uint8_t)0x13 #define GPDR_0_7 (uint8_t)0x14 #define GPDR_8_15 (uint8_t)0x15 #define GPIR_0_7 (uint8_t)0x16 #define GPIR_8_15 (uint8_t)0x17 #define SOFT_RESET (uint8_t)0x80 #define STMPE1600_DEFAULT_ID 0x01 typedef enum { // GPIO Expander pin names GPIO_0= 0, GPIO_1 , GPIO_2 , GPIO_3 , GPIO_4 , GPIO_5 , GPIO_6 , GPIO_7 , GPIO_8 , GPIO_9 , GPIO_10 , GPIO_11 , GPIO_12 , GPIO_13 , GPIO_14 , GPIO_15 , NOT_CON } exp_gpio_pin_name; typedef enum { INPUT = 0, OUTPUT, NOT_CONNECTED } exp_gpio_pin_direction; class STMPE1600 { public: /** Constructor * @param[in] &i2c device I2C to be used for communication * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS) */ STMPE1600 (I2C *i2c, uint8_t DevAddr=STMPE1600_DEF_DEVICE_ADDRESS ); /** * @brief Write the SYS_CTRL register * @param[in] Data to be written (bit fields) */ void write_sys_ctrl (uint8_t data) // data = SOFT_RESET reset the device { // _dev_i2c->i2c_write((uint8_t*)SYS_CTRL, _expdevaddr, data, 1); write(&data,SYS_CTRL,1); } /** * @brief Set the out pin * @param[in] The pin name * @return 0 on Success */ bool set_gpio (exp_gpio_pin_name pin_name) { if (pin_name == NOT_CON) return true; _gpsro_15 = _gpsro_15 | ((uint16_t)0x0001<<pin_name); write_16_bit_reg (GPSR_0_7 , &_gpsro_15); return false; } /** * @brief Clear the out pin * @param[in] The pin name * @return 0 on Success */ bool clr_gpio (exp_gpio_pin_name pin_name) { if (pin_name == NOT_CON) return true; _gpsro_15 = _gpsro_15 & (~((uint16_t)0x0001<<pin_name)); write_16_bit_reg (GPSR_0_7 , &_gpsro_15); return false; } /** * @brief Read the input pin * @param[in] The pin name * @return The logical pin level */ bool rd_gpio (exp_gpio_pin_name pin_name) { uint16_t gpmr0_15; if (pin_name == NOT_CON) return true; read_16_bit_reg (GPMR_0_7, &gpmr0_15); gpmr0_15 = gpmr0_15 & ((uint16_t)0x0001<<pin_name); if (gpmr0_15) { return true; } return false; } /** * @brief Set the pin direction * @param[in] The pin name * @param[in] The pin direction * @return 0 on success */ bool set_gpio_dir (exp_gpio_pin_name pin_name, exp_gpio_pin_direction pin_dir) { if (pin_name == NOT_CON || pin_dir == NOT_CONNECTED) { return true; } _gpdro_15 = _gpdro_15 & (~((uint16_t)0x0001<<pin_name)); // clear the Pin _gpdro_15 = _gpdro_15 | ((uint16_t)pin_dir<<pin_name); write_16_bit_reg (GPDR_0_7 , &_gpdro_15); return false; } /** * @brief Read a 16 bits register * @param[in] The register address * @param[in] The pointer to the read data */ void read_16_bit_reg (uint8_t reg_16_addr, uint16_t *reg_16_data) { uint8_t data[2]; read(data,reg_16_addr,2); *reg_16_data = data[1] << 8 | data[0]; } /** * @brief Write a 16 bits register * @param[in] The register address * @param[in] The pointer to the data to be written */ void write_16_bit_reg (uint8_t reg_16_addr, uint16_t *reg_16_data) { uint8_t data[2]; data[1] = (*reg_16_data >> 8) & 0xff; data[0] = *reg_16_data & 0xff; write(data,reg_16_addr,2); } /** * @brief Read STMPE1600 device id. * @return device ID 0x01 */ uint8_t readID(); /** * @brief Test the STMPE1600 device whether connect. * @return [true] connect [false] disconnect. */ bool testConnect(); protected: /** * @brief Init device. */ void init(); /** * @brief Read data from STMPE1600. * @param[out] The pointer to the read data. * @param[in] The register address. * @param[in] The pointer to the data size. */ void read(uint8_t* pBuffer, uint8_t RegisterAddr, uint16_t NumByteToRead); /** * @brief Write data to STMPE1600. * @param[in] The data pointer of write. * @param[in] The register address. * @param[in] The pointer to the data size. */ void write(uint8_t* pBuffer, uint8_t RegisterAddr, uint16_t NumByteToWrite); private: I2C *_dev_i2c; uint16_t _gpdro_15; // local copy of bit direction reg uint16_t _gpsro_15; // local copy of bit status reg uint8_t address; // expander device i2c addr }; #endif