John Alexander
initial release
Diff: Components/STMPE1600/stmpe1600_class.h
- Revision:
- 14:8320b5ff96fa
- Parent:
- 9:367d1f390cb2
- Child:
- 15:44e6c9013bff
diff -r 615f7e38568c -r 8320b5ff96fa Components/STMPE1600/stmpe1600_class.h
--- a/Components/STMPE1600/stmpe1600_class.h Thu Jun 15 13:33:35 2017 +0000
+++ b/Components/STMPE1600/stmpe1600_class.h Mon Aug 07 14:30:21 2017 +0000
@@ -39,17 +39,17 @@
/* Includes ------------------------------------------------------------------*/
#include "DevI2C.h"
-#define STMPE1600_DEF_DEVICE_ADDRESS (uint8_t)0x42*2
+#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 CHIP_ID_0_7 (uint8_t)0x00
+#define CHIP_ID_8_15 (uint8_t)0x01
+#define VERSION_ID (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_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
@@ -60,250 +60,270 @@
#define GPIR_0_7 (uint8_t)0x16
#define GPIR_8_15 (uint8_t)0x17
-#define SOFT_RESET (uint8_t)0x80
+#define SOFT_RESET (uint8_t)0x80
- typedef enum {
+typedef enum {
// GPIO Expander pin names
- GPIO_0=0,
+ GPIO_0 = 0,
GPIO_1,
GPIO_2,
- GPIO_3,
+ GPIO_3,
GPIO_4,
GPIO_5,
GPIO_6,
- GPIO_7,
+ GPIO_7,
GPIO_8,
GPIO_9,
GPIO_10,
- GPIO_11,
+ GPIO_11,
GPIO_12,
GPIO_13,
GPIO_14,
GPIO_15,
- NOT_CON
-} ExpGpioPinName;
+ NOT_CON
+} ExpGpioPinName;
typedef enum {
INPUT = 0,
OUTPUT,
NOT_CONNECTED
-}ExpGpioPinDirection;
+} ExpGpioPinDirection;
/* Classes -------------------------------------------------------------------*/
/** Class representing a single stmpe1600 GPIO expander output pin
*/
-class STMPE1600DigiOut {
-
- public:
+class Stmpe1600DigiOut
+{
+
+public:
/** Constructor
* @param[in] &i2c device I2C to be used for communication
* @param[in] outpinname the desired out pin name to be created
- * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
- * @param[in] lvl the default ot pin level
- */
- STMPE1600DigiOut (DevI2C &i2c, ExpGpioPinName outpinname, uint8_t DevAddr=STMPE1600_DEF_DEVICE_ADDRESS, bool lvl=STMPE1600_DEF_DIGIOUT_LVL): dev_i2c(i2c), expdevaddr(DevAddr), exppinname(outpinname)
+ * @param[in] DevAddr the stmpe1600 I2C device address (deft STMPE1600_DEF_DEVICE_ADDRESS)
+ * @param[in] lvl the default ot pin level
+ */
+ Stmpe1600DigiOut(DevI2C &i2c, ExpGpioPinName out_pin_name, uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS,
+ bool lvl = STMPE1600_DEF_DIGIOUT_LVL) : dev_i2c(i2c), exp_dev_addr(dev_addr), exp_pin_name(out_pin_name)
{
- uint8_t data[2];
- if (exppinname == NOT_CON) return;
- /* set the exppinname as output */
- dev_i2c.i2c_read(data, expdevaddr, GPDR_0_7, 1);
- dev_i2c.i2c_read(&data[1], expdevaddr, GPDR_8_15, 1);
- *(uint16_t*)data = *(uint16_t*)data | (1<<(uint16_t)exppinname); // set gpio as out
- dev_i2c.i2c_write(data, expdevaddr, GPDR_0_7, 1);
- dev_i2c.i2c_write(&data[1], expdevaddr, GPDR_8_15, 1);
- write(lvl);
- }
+ uint8_t data[2];
- /**
- * @brief Write on the out pin
- * @param[in] lvl level to write
- * @return 0 on Success
- */
- void write (int lvl)
- {
- uint8_t data[2];
- if (exppinname == NOT_CON) return;
- /* set the exppinname state to lvl */
- dev_i2c.i2c_read(data, expdevaddr, GPSR_0_7, 2);
- *(uint16_t*)data = *(uint16_t*)data & (uint16_t)(~(1<<(uint16_t)exppinname)); // set pin mask
- if (lvl) *(uint16_t*)data = *(uint16_t*)data | (uint16_t)(1<<(uint16_t)exppinname);
- dev_i2c.i2c_write(data, expdevaddr, GPSR_0_7, 2);
+ if (exp_pin_name == NOT_CON)
+ return;
+ /* set the exp_pin_name as output */
+ dev_i2c.i2c_read(data, exp_dev_addr, GPDR_0_7, 1);
+ dev_i2c.i2c_read(&data[1], exp_dev_addr, GPDR_8_15, 1);
+ * (uint16_t *) data = * (uint16_t *) data | (1 << (uint16_t) exp_pin_name); // set gpio as out
+ dev_i2c.i2c_write(data, exp_dev_addr, GPDR_0_7, 1);
+ dev_i2c.i2c_write(&data[1], exp_dev_addr, GPDR_8_15, 1);
+ write(lvl);
}
- /**
- * @brief Overload assignement operator
- */
- STMPE1600DigiOut& operator=(int lvl)
+ /**
+ * @brief Write on the out pin
+ * @param[in] lvl level to write
+ * @return 0 on Success
+ */
+ void write(int lvl)
{
- write (lvl);
- return *this;
- }
-
- private:
- DevI2C &dev_i2c;
- uint8_t expdevaddr;
- ExpGpioPinName exppinname;
+ uint8_t data[2];
+
+ if (exp_pin_name == NOT_CON)
+ return;
+ /* set the exp_pin_name state to lvl */
+ dev_i2c.i2c_read(data, exp_dev_addr, GPSR_0_7, 2);
+ * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(~(1 << (uint16_t) exp_pin_name)); // set pin mask
+ if (lvl)
+ * (uint16_t *) data = * (uint16_t *) data | (uint16_t)(1 << (uint16_t) exp_pin_name);
+ dev_i2c.i2c_write(data, exp_dev_addr, GPSR_0_7, 2);
+ }
+
+ /**
+ * @brief Overload assignement operator
+ */
+ Stmpe1600DigiOut &operator= (int lvl)
+ {
+ write(lvl);
+ return *this;
+ }
+
+private:
+ DevI2C &dev_i2c;
+ uint8_t exp_dev_addr;
+ ExpGpioPinName exp_pin_name;
};
/* Classes -------------------------------------------------------------------*/
/** Class representing a single stmpe1600 GPIO expander input pin
*/
-class STMPE1600DigiIn
-{
- public:
- /** Constructor
- * @param[in] &i2c device I2C to be used for communication
- * @param[in] inpinname the desired input pin name to be created
- * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
- */
- STMPE1600DigiIn (DevI2C &i2c, ExpGpioPinName inpinname, uint8_t DevAddr=STMPE1600_DEF_DEVICE_ADDRESS): dev_i2c(i2c), expdevaddr(DevAddr), exppinname(inpinname)
+class Stmpe1600DigiIn
+{
+public:
+ /** Constructor
+ * @param[in] &i2c device I2C to be used for communication
+ * @param[in] inpinname the desired input pin name to be created
+ * @param[in] DevAddr the stmpe1600 I2C device addres (deft STMPE1600_DEF_DEVICE_ADDRESS)
+ */
+ Stmpe1600DigiIn(DevI2C &i2c, ExpGpioPinName in_pin_name,
+ uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS) : dev_i2c(i2c), exp_dev_addr(dev_addr),
+ exp_pin_name(in_pin_name)
{
- uint8_t data[2];
- if (exppinname == NOT_CON) return;
- /* set the exppinname as input pin direction */
- dev_i2c.i2c_read(data, expdevaddr, GPDR_0_7, 2);
- *(uint16_t*)data = *(uint16_t*)data & (uint16_t)(~(1<<(uint16_t)exppinname)); // set gpio as in
- dev_i2c.i2c_write(data, expdevaddr, GPDR_0_7, 2);
- }
+ uint8_t data[2];
+
+ if (exp_pin_name == NOT_CON)
+ return;
+ /* set the exp_pin_name as input pin direction */
+ dev_i2c.i2c_read(data, exp_dev_addr, GPDR_0_7, 2);
+ * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(~(1 << (uint16_t) exp_pin_name)); // set gpio as in
+ dev_i2c.i2c_write(data, exp_dev_addr, GPDR_0_7, 2);
+ }
- /**
- * @brief Read the input pin
- * @return The pin logical state 0 or 1
- */
- bool read ()
+ /**
+ * @brief Read the input pin
+ * @return The pin logical state 0 or 1
+ */
+ bool read()
{
- uint8_t data[2];
- if (exppinname == NOT_CON) return 0;
- /* read the exppinname */
- dev_i2c.i2c_read(data, expdevaddr, GPMR_0_7, 2);
- *(uint16_t*)data = *(uint16_t*)data & (uint16_t)(1<<(uint16_t)exppinname); // mask the in gpio
- if (data[0] || data[1]) return 1;
- return 0;
+ uint8_t data[2];
+
+ if (exp_pin_name == NOT_CON)
+ return false;
+ /* read the exp_pin_name */
+ dev_i2c.i2c_read(data, exp_dev_addr, GPMR_0_7, 2);
+ * (uint16_t *) data = * (uint16_t *) data & (uint16_t)(1 << (uint16_t) exp_pin_name); // mask the in gpio
+ if (data[0] || data[1])
+ return true;
+ return false;
}
-
- operator int()
- {
- return read();
- }
-
- private:
- DevI2C &dev_i2c;
- uint8_t expdevaddr;
- ExpGpioPinName exppinname;
+
+ operator int()
+ {
+ return read();
+ }
+
+private:
+ DevI2C &dev_i2c;
+ uint8_t exp_dev_addr;
+ ExpGpioPinName exp_pin_name;
};
/* Classes -------------------------------------------------------------------*/
/** Class representing a whole stmpe1600 component (16 gpio)
*/
-class STMPE1600 {
-
- public:
+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 (DevI2C &i2c, uint8_t DevAddr=STMPE1600_DEF_DEVICE_ADDRESS ) : dev_i2c(i2c)
- {
- dev_i2c = i2c;
- expdevaddr = DevAddr;
- writeSYS_CTRL (SOFT_RESET);
-
- GPDR0_15 = (uint16_t)0; // gpio dir all IN
- write16bitReg (GPDR_0_7, &GPDR0_15);
- GPSR0_15 = (uint16_t)0x0ffff; // gpio status all 1
- write16bitReg (GPSR_0_7, &GPSR0_15);
+ */
+ Stmpe1600(DevI2C &i2c, uint8_t dev_addr = STMPE1600_DEF_DEVICE_ADDRESS) : dev_i2c(i2c)
+ {
+ dev_i2c = i2c;
+ exp_dev_addr = dev_addr;
+ write_sys_ctrl(SOFT_RESET);
+
+ gpdr0_15 = (uint16_t) 0; // gpio dir all IN
+ write_16bit_reg(GPDR_0_7, &gpdr0_15);
+ gpsr0_15 = (uint16_t) 0x0ffff; // gpio status all 1
+ write_16bit_reg(GPSR_0_7, &gpsr0_15);
+ }
+
+ /**
+ * @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(&data, exp_dev_addr, SYS_CTRL, 1);
+ }
+
+ /**
+ * @brief Set the out pin
+ * @param[in] The pin name
+ * @return 0 on Success
+ */
+ bool set_gpio(ExpGpioPinName pin_name)
+ {
+ if (pin_name == NOT_CON)
+ return true;
+ gpsr0_15 = gpsr0_15 | ((uint16_t) 0x0001 << pin_name);
+ write_16bit_reg(GPSR_0_7, &gpsr0_15);
+ return false;
+ }
+
+ /**
+ * @brief Clear the out pin
+ * @param[in] The pin name
+ * @return 0 on Success
+ */
+ bool clear_gpio(ExpGpioPinName pin_name)
+ {
+ if (pin_name == NOT_CON)
+ return true;
+ gpsr0_15 = gpsr0_15 & (~((uint16_t) 0x0001 << pin_name));
+ write_16bit_reg(GPSR_0_7, &gpsr0_15);
+ return false;
}
- /**
- * @brief Write the SYS_CTRL register
- * @param[in] Data to be written (bit fields)
- */
- void writeSYS_CTRL (uint8_t data) // data = SOFT_RESET reset the device
+ /**
+ * @brief Read the input pin
+ * @param[in] The pin name
+ * @return The logical pin level
+ */
+ bool read_gpio(ExpGpioPinName pin_name)
{
- dev_i2c.i2c_write(&data, expdevaddr, SYS_CTRL, 1);
+ uint16_t gpmr0_15;
+ if (pin_name == NOT_CON)
+ return true;
+ read_16bit_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 out pin
- * @param[in] The pin name
- * @return 0 on Success
- */
- bool setGPIO (ExpGpioPinName PinName)
- {
- if (PinName == NOT_CON) return true;
- GPSR0_15 = GPSR0_15 | ((uint16_t)0x0001<<PinName);
- write16bitReg (GPSR_0_7 , &GPSR0_15);
- return false;
- }
-
- /**
- * @brief Clear the out pin
- * @param[in] The pin name
- * @return 0 on Success
- */
- bool clrGPIO (ExpGpioPinName PinName)
- {
- if (PinName == NOT_CON) return true;
- GPSR0_15 = GPSR0_15 & (~((uint16_t)0x0001<<PinName));
- write16bitReg (GPSR_0_7 , &GPSR0_15);
- return false;
- }
-
- /**
- * @brief Read the input pin
- * @param[in] The pin name
- * @return The logical pin level
- */
- bool rdGPIO (ExpGpioPinName PinName)
- {
- uint16_t gpmr0_15;
- if (PinName == NOT_CON) return true;
- read16bitReg (GPMR_0_7, &gpmr0_15);
- gpmr0_15 = gpmr0_15 & ((uint16_t)0x0001<<PinName);
- 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 setGPIOdir (ExpGpioPinName PinName, ExpGpioPinDirection PinDir)
- {
- if (PinName == NOT_CON || PinDir == NOT_CONNECTED) return true;
- GPDR0_15 = GPDR0_15 & (~((uint16_t)0x0001<<PinName)); // clear the Pin
- GPDR0_15 = GPDR0_15 | ((uint16_t)PinDir<<PinName);
- write16bitReg (GPDR_0_7 , &GPDR0_15);
- 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(ExpGpioPinName pin_name, ExpGpioPinDirection pin_dir)
+ {
+ if (pin_name == NOT_CON || pin_dir == NOT_CONNECTED)
+ return true;
+ gpdr0_15 = gpdr0_15 & (~((uint16_t) 0x0001 << pin_name)); // clear the Pin
+ gpdr0_15 = gpdr0_15 | ((uint16_t) pin_dir << pin_name);
+ write_16bit_reg(GPDR_0_7, &gpdr0_15);
+ return false;
+ }
- /**
- * @brief Read a 16 bits register
- * @param[in] The register address
- * @param[in] The pointer to the read data
- */
- void read16bitReg (uint8_t Reg16Addr, uint16_t *Reg16Data)
+ /**
+ * @brief Read a 16 bits register
+ * @param[in] The register address
+ * @param[in] The pointer to the read data
+ */
+ void read_16bit_reg(uint8_t reg16_addr, uint16_t *reg16_data)
{
- dev_i2c.i2c_read((uint8_t*)Reg16Data, expdevaddr, Reg16Addr, 2);
- }
+ dev_i2c.i2c_read((uint8_t *) reg16_data, exp_dev_addr, reg16_addr, 2);
+ }
- /**
- * @brief Write a 16 bits register
- * @param[in] The register address
- * @param[in] The pointer to the data to be written
- */
- void write16bitReg (uint8_t Reg16Addr, uint16_t *Reg16Data)
+ /**
+ * @brief Write a 16 bits register
+ * @param[in] The register address
+ * @param[in] The pointer to the data to be written
+ */
+ void write_16bit_reg(uint8_t reg16_addr, uint16_t *reg16_data)
{
- dev_i2c.i2c_write((uint8_t*)Reg16Data, expdevaddr, Reg16Addr, 2);
- }
+ dev_i2c.i2c_write((uint8_t *) reg16_data, exp_dev_addr, reg16_addr, 2);
+ }
- private:
- DevI2C &dev_i2c;
- uint16_t GPDR0_15; // local copy of bit direction reg
- uint16_t GPSR0_15; // local copy of bit status reg
- uint8_t expdevaddr; // expander device i2c addr
+private:
+ DevI2C &dev_i2c;
+ uint16_t gpdr0_15; // local copy of bit direction reg
+ uint16_t gpsr0_15; // local copy of bit status reg
+ uint8_t exp_dev_addr; // expander device i2c addr
};
#endif // __STMPE1600_CLASS