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i2clcd: Reformat the lcd source code

Browse Source 
Reformatted to prepare for improving the error handling. This reformatting
was done using clang-format.

Signed-off-by: Wouter van Verre <wouter.van.verre@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Wouter van Verre
2015-04-08 14:06:49 +01:00
committed by Mihai Tudor Panu
parent 3abd3a5ee9
commit bb59d5db7a
11 changed files with 663 additions and 619 deletions
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27
src/lcd/i2clcd.cxx
View File

@@ -29,7 +29,8 @@
using namespace upm;
I2CLcd::I2CLcd (int bus, int lcdAddress) {
I2CLcd::I2CLcd(int bus, int lcdAddress)
{
m_lcd_control_address = lcdAddress;
m_bus = bus;
@@ -42,13 +43,15 @@ I2CLcd::I2CLcd (int bus, int lcdAddress) {
}
mraa_result_t
I2CLcd::write (int row, int column, std::string msg) {
I2CLcd::write(int row, int column, std::string msg)
{
setCursor(row, column);
write(msg);
}
mraa_result_t
I2CLcd::createChar(uint8_t charSlot, uint8_t charData[]) {
I2CLcd::createChar(uint8_t charSlot, uint8_t charData[])
{
mraa_result_t error = MRAA_SUCCESS;
charSlot &= 0x07; // only have 8 positions we can set
error = i2Cmd(m_i2c_lcd_control, LCD_SETCGRAMADDR | (charSlot << 3));
@@ -62,12 +65,20 @@ I2CLcd::createChar(uint8_t charSlot, uint8_t charData[]) {
}
mraa_result_t
I2CLcd::close() {
I2CLcd::close()
{
return mraa_i2c_stop(m_i2c_lcd_control);
}
std::string
I2CLcd::name()
{
return m_name;
}
mraa_result_t
I2CLcd::i2cReg (mraa_i2c_context ctx, int deviceAdress, int addr, uint8_t value) {
I2CLcd::i2cReg(mraa_i2c_context ctx, int deviceAdress, int addr, uint8_t value)
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t data[2] = { addr, value };
@@ -78,7 +89,8 @@ I2CLcd::i2cReg (mraa_i2c_context ctx, int deviceAdress, int addr, uint8_t value)
}
mraa_result_t
I2CLcd::i2Cmd (mraa_i2c_context ctx, uint8_t value) {
I2CLcd::i2Cmd(mraa_i2c_context ctx, uint8_t value)
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t data[2] = { LCD_CMD, value };
@@ -89,7 +101,8 @@ I2CLcd::i2Cmd (mraa_i2c_context ctx, uint8_t value) {
}
mraa_result_t
I2CLcd::i2cData (mraa_i2c_context ctx, uint8_t value) {
I2CLcd::i2cData(mraa_i2c_context ctx, uint8_t value)
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t data[2] = { LCD_DATA, value };

14
src/lcd/i2clcd.h
View File

@@ -26,8 +26,8 @@
#include <string>
#include <mraa/i2c.h>
namespace upm {
namespace upm
{
// commands
#define LCD_CLEARDISPLAY 0x01
#define LCD_RETURNHOME 0x02
@@ -80,7 +80,8 @@ namespace upm {
* @defgroup i2clcd libupm-i2clcd
* @ingroup seeed sparkfun adafruit i2c display gsk
*/
class I2CLcd {
class I2CLcd
{
public:
I2CLcd(int bus, int lcdAddress);
mraa_result_t write(int x, int y, std::string msg);
@@ -95,15 +96,12 @@ class I2CLcd {
virtual mraa_result_t i2cData(mraa_i2c_context ctx, uint8_t value);
mraa_result_t close();
std::string name()
{
return m_name;
}
std::string name();
protected:
std::string m_name;
int m_lcd_control_address;
int m_bus;
mraa_i2c_context m_i2c_lcd_control;
};
}

23
src/lcd/jhd1313m1.cxx
View File

@@ -29,7 +29,8 @@
using namespace upm;
Jhd1313m1::Jhd1313m1 (int bus, int lcdAddress, int rgbAddress) : I2CLcd(bus, lcdAddress) {
Jhd1313m1::Jhd1313m1(int bus, int lcdAddress, int rgbAddress) : I2CLcd(bus, lcdAddress)
{
mraa_result_t error = MRAA_SUCCESS;
m_rgb_address = rgbAddress;
@@ -53,9 +54,7 @@ Jhd1313m1::Jhd1313m1 (int bus, int lcdAddress, int rgbAddress) : I2CLcd(bus, lcd
clear();
usleep(4500);
i2Cmd (m_i2c_lcd_control, LCD_ENTRYMODESET |
LCD_ENTRYLEFT |
LCD_ENTRYSHIFTDECREMENT);
i2Cmd(m_i2c_lcd_control, LCD_ENTRYMODESET | LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT);
i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0, 0);
i2cReg(m_i2c_lcd_rgb, m_rgb_address, 1, 0);
@@ -66,8 +65,8 @@ Jhd1313m1::Jhd1313m1 (int bus, int lcdAddress, int rgbAddress) : I2CLcd(bus, lcd
i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x02, 255);
}
Jhd1313m1::~Jhd1313m1() {
Jhd1313m1::~Jhd1313m1()
{
}
mraa_result_t
@@ -98,7 +97,8 @@ Jhd1313m1::scroll(bool direction)
* **************
*/
mraa_result_t
Jhd1313m1::write (std::string msg) {
Jhd1313m1::write(std::string msg)
{
usleep(1000);
mraa_result_t error = MRAA_SUCCESS;
for (std::string::size_type i = 0; i < msg.size(); ++i) {
@@ -109,7 +109,8 @@ Jhd1313m1::write (std::string msg) {
}
mraa_result_t
Jhd1313m1::setCursor (int row, int column) {
Jhd1313m1::setCursor(int row, int column)
{
mraa_result_t error = MRAA_SUCCESS;
int row_addr[] = { 0x80, 0xc0, 0x14, 0x54 };
uint8_t offset = ((column % 16) + row_addr[row]);
@@ -119,11 +120,13 @@ Jhd1313m1::setCursor (int row, int column) {
}
mraa_result_t
Jhd1313m1::clear () {
Jhd1313m1::clear()
{
return i2Cmd(m_i2c_lcd_control, LCD_CLEARDISPLAY);
}
mraa_result_t
Jhd1313m1::home () {
Jhd1313m1::home()
{
return i2Cmd(m_i2c_lcd_control, LCD_RETURNHOME);
}

8
src/lcd/jhd1313m1.h
View File

@@ -26,8 +26,8 @@
#include <string>
#include "i2clcd.h"
namespace upm {
namespace upm
{
/**
* @library i2clcd
* @sensor jhd1313m1
@@ -50,7 +50,8 @@ namespace upm {
* @image html grovergblcd.jpg
* @snippet jhd1313m1-lcd.cxx Interesting
*/
class Jhd1313m1 : public I2CLcd {
class Jhd1313m1 : public I2CLcd
{
public:
/**
* Jhd1313m1 constructor
@@ -113,5 +114,4 @@ class Jhd1313m1 : public I2CLcd {
int m_rgb_address;
mraa_i2c_context m_i2c_lcd_rgb;
};
}

22
src/lcd/lcm1602.cxx
View File

@@ -32,7 +32,8 @@
using namespace upm;
Lcm1602::Lcm1602(int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
Lcm1602::Lcm1602(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in)
{
mraa_result_t error = MRAA_SUCCESS;
usleep(50000);
@@ -60,8 +61,8 @@ Lcm1602::Lcm1602(int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
home();
}
Lcm1602::~Lcm1602 () {
Lcm1602::~Lcm1602()
{
}
/*
@@ -70,7 +71,8 @@ Lcm1602::~Lcm1602 () {
* **************
*/
mraa_result_t
Lcm1602::write (std::string msg) {
Lcm1602::write(std::string msg)
{
mraa_result_t error = MRAA_SUCCESS;
for (std::string::size_type i = 0; i < msg.size(); ++i) {
error = send(msg[i], LCD_RS);
@@ -79,7 +81,8 @@ Lcm1602::write (std::string msg) {
}
mraa_result_t
Lcm1602::setCursor (int row, int column) {
Lcm1602::setCursor(int row, int column)
{
mraa_result_t error = MRAA_SUCCESS;
int row_addr[] = { 0x80, 0xc0, 0x14, 0x54 };
@@ -89,12 +92,14 @@ Lcm1602::setCursor (int row, int column) {
}
mraa_result_t
Lcm1602::clear () {
Lcm1602::clear()
{
return send(LCD_CLEARDISPLAY, 0);
}
mraa_result_t
Lcm1602::home () {
Lcm1602::home()
{
return send(LCD_RETURNHOME, 0);
}
@@ -104,7 +109,8 @@ Lcm1602::home () {
* **************
*/
mraa_result_t
Lcm1602::send (uint8_t value, int mode) {
Lcm1602::send(uint8_t value, int mode)
{
mraa_result_t ret = MRAA_SUCCESS;
uint8_t h = value & 0xf0;
uint8_t l = (value << 4) & 0xf0;

6
src/lcd/lcm1602.h
View File

@@ -30,7 +30,8 @@
#include <string>
#include "i2clcd.h"
namespace upm {
namespace upm
{
/**
* @library i2clcd
* @sensor lcm1602
@@ -51,7 +52,8 @@ namespace upm {
* @image html lcm1602.jpeg
* @snippet lcm1602-lcd.cxx Interesting
*/
class Lcm1602 : public I2CLcd {
class Lcm1602 : public I2CLcd
{
public:
/**
* Lcm1602 Constructor, calls libmraa initialisation functions

18
src/lcd/ssd.h
View File

@@ -24,8 +24,8 @@
#pragma once
namespace upm {
namespace upm
{
#define DISPLAY_CMD_OFF 0xAE
#define DISPLAY_CMD_ON 0xAF
@@ -34,9 +34,7 @@ namespace upm {
#define BASE_PAGE_START_ADDR 0xB0
#define DISPLAY_CMD_MEM_ADDR_MODE 0x20
const uint8_t BasicFont[][8] =
{
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
const uint8_t BasicFont[][8] = { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00, 0x00 },
{ 0x00, 0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00, 0x00 },
@@ -131,13 +129,7 @@ const uint8_t BasicFont[][8] =
{ 0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x41, 0x36, 0x08, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x02, 0x01, 0x01, 0x02, 0x01, 0x00, 0x00 },
{0x00,0x02,0x05,0x05,0x02,0x00,0x00,0x00}
};
typedef enum {
HORIZONTAL = 0,
VERTICAL = 1,
PAGE = 2
} displayAddressingMode;
{ 0x00, 0x02, 0x05, 0x05, 0x02, 0x00, 0x00, 0x00 } };
typedef enum { HORIZONTAL = 0, VERTICAL = 1, PAGE = 2 } displayAddressingMode;
}

37
src/lcd/ssd1308.cxx
View File

@@ -29,7 +29,8 @@
using namespace upm;
SSD1308::SSD1308 (int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
SSD1308::SSD1308(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in)
{
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_OFF); // display off
usleep(4500);
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_ON); // display on
@@ -40,12 +41,13 @@ SSD1308::SSD1308 (int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
setAddressingMode(PAGE);
}
SSD1308::~SSD1308 () {
SSD1308::~SSD1308()
{
}
mraa_result_t
SSD1308::draw (uint8_t *data, int bytes) {
SSD1308::draw(uint8_t* data, int bytes)
{
mraa_result_t error = MRAA_SUCCESS;
setAddressingMode(HORIZONTAL);
@@ -62,7 +64,8 @@ SSD1308::draw (uint8_t *data, int bytes) {
* **************
*/
mraa_result_t
SSD1308::write (std::string msg) {
SSD1308::write(std::string msg)
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t data[2] = { 0x40, 0 };
@@ -75,18 +78,22 @@ SSD1308::write (std::string msg) {
}
mraa_result_t
SSD1308::setCursor (int row, int column) {
SSD1308::setCursor(int row, int column)
{
mraa_result_t error = MRAA_SUCCESS;
error = i2Cmd(m_i2c_lcd_control, BASE_PAGE_START_ADDR + row); // set page address
error = i2Cmd (m_i2c_lcd_control, BASE_LOW_COLUMN_ADDR + (8 * column & 0x0F)); // set column lower address
error = i2Cmd (m_i2c_lcd_control, BASE_HIGH_COLUMN_ADDR + ((8 * column >> 4) & 0x0F)); // set column higher address
error = i2Cmd(m_i2c_lcd_control,
BASE_LOW_COLUMN_ADDR + (8 * column & 0x0F)); // set column lower address
error = i2Cmd(m_i2c_lcd_control,
BASE_HIGH_COLUMN_ADDR + ((8 * column >> 4) & 0x0F)); // set column higher address
return error;
}
mraa_result_t
SSD1308::clear () {
SSD1308::clear()
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t columnIdx, rowIdx;
@@ -106,7 +113,8 @@ SSD1308::clear () {
}
mraa_result_t
SSD1308::home () {
SSD1308::home()
{
return setCursor(0, 0);
}
@@ -116,7 +124,8 @@ SSD1308::home () {
* **************
*/
mraa_result_t
SSD1308::writeChar (mraa_i2c_context ctx, uint8_t value) {
SSD1308::writeChar(mraa_i2c_context ctx, uint8_t value)
{
if (value < 0x20 || value > 0x7F) {
value = 0x20; // space
}
@@ -127,12 +136,14 @@ SSD1308::writeChar (mraa_i2c_context ctx, uint8_t value) {
}
mraa_result_t
SSD1308::setNormalDisplay () {
SSD1308::setNormalDisplay()
{
return i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_SET_NORMAL_1308); // set to normal display '1' is ON
}
mraa_result_t
SSD1308::setAddressingMode (displayAddressingMode mode) {
SSD1308::setAddressingMode(displayAddressingMode mode)
{
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_MEM_ADDR_MODE); // set addressing mode
i2Cmd(m_i2c_lcd_control, mode); // set page addressing mode
}

8
src/lcd/ssd1308.h
View File

@@ -28,8 +28,8 @@
#include "i2clcd.h"
#include "ssd.h"
namespace upm {
namespace upm
{
#define DISPLAY_CMD_SET_NORMAL_1308 0xA6
/**
@@ -52,7 +52,8 @@ namespace upm {
* @image html ssd1308.jpeg
* @snippet ssd1308-oled.cxx Interesting
*/
class SSD1308 : public I2CLcd {
class SSD1308 : public I2CLcd
{
public:
/**
* SSD1308 Constructor, calls libmraa initialisation functions
@@ -102,6 +103,7 @@ class SSD1308 : public I2CLcd {
* @return Result of operation
*/
mraa_result_t home();
private:
mraa_result_t writeChar(mraa_i2c_context ctx, uint8_t value);
mraa_result_t setNormalDisplay();

52
src/lcd/ssd1327.cxx
View File

@@ -32,10 +32,12 @@ using namespace upm;
#define INIT_SLEEP 50000
#define CMD_SLEEP 10000
SSD1327::SSD1327 (int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
SSD1327::SSD1327(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in)
{
mraa_result_t error = MRAA_SUCCESS;
usleep(INIT_SLEEP);
i2Cmd (m_i2c_lcd_control, 0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
i2Cmd(m_i2c_lcd_control,
0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
usleep(INIT_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x12);
usleep(INIT_SLEEP);
@@ -109,9 +111,11 @@ SSD1327::SSD1327 (int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
// Column Address
error = i2Cmd(m_i2c_lcd_control, 0x15); // Set Column Address
usleep(INIT_SLEEP);
error = i2Cmd (m_i2c_lcd_control, 0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
error = i2Cmd(m_i2c_lcd_control,
0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
usleep(INIT_SLEEP);
error = i2Cmd (m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2 pixels(segments)
error = i2Cmd(m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2
// pixels(segments)
usleep(INIT_SLEEP);
clear();
@@ -119,12 +123,13 @@ SSD1327::SSD1327 (int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
setVerticalMode();
}
SSD1327::~SSD1327 () {
SSD1327::~SSD1327()
{
}
mraa_result_t
SSD1327::draw (uint8_t *data, int bytes) {
SSD1327::draw(uint8_t* data, int bytes)
{
mraa_result_t error = MRAA_SUCCESS;
setHorizontalMode();
@@ -152,7 +157,8 @@ SSD1327::draw (uint8_t *data, int bytes) {
* **************
*/
mraa_result_t
SSD1327::write (std::string msg) {
SSD1327::write(std::string msg)
{
mraa_result_t error = MRAA_SUCCESS;
setVerticalMode();
@@ -164,7 +170,8 @@ SSD1327::write (std::string msg) {
}
mraa_result_t
SSD1327::setCursor (int row, int column) {
SSD1327::setCursor(int row, int column)
{
mraa_result_t error = MRAA_SUCCESS;
// Column Address
@@ -186,7 +193,8 @@ SSD1327::setCursor (int row, int column) {
}
mraa_result_t
SSD1327::clear () {
SSD1327::clear()
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t columnIdx, rowIdx;
@@ -201,12 +209,14 @@ SSD1327::clear () {
}
mraa_result_t
SSD1327::home () {
SSD1327::home()
{
return setCursor(0, 0);
}
mraa_result_t
SSD1327::setGrayLevel (uint8_t level) {
SSD1327::setGrayLevel(uint8_t level)
{
grayHigh = (level << 4) & 0xF0;
grayLow = level & 0x0F;
}
@@ -217,7 +227,8 @@ SSD1327::setGrayLevel (uint8_t level) {
* **************
*/
mraa_result_t
SSD1327::writeChar (mraa_i2c_context ctx, uint8_t value) {
SSD1327::writeChar(mraa_i2c_context ctx, uint8_t value)
{
if (value < 0x20 || value > 0x7F) {
value = 0x20; // space
}
@@ -239,12 +250,14 @@ SSD1327::writeChar (mraa_i2c_context ctx, uint8_t value) {
}
mraa_result_t
SSD1327::setNormalDisplay () {
SSD1327::setNormalDisplay()
{
return i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_SET_NORMAL); // set to normal display '1' is ON
}
mraa_result_t
SSD1327::setHorizontalMode () {
SSD1327::setHorizontalMode()
{
i2Cmd(m_i2c_lcd_control, 0xA0); // remap to
usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x42); // horizontal mode
@@ -261,14 +274,17 @@ SSD1327::setHorizontalMode () {
// Column Address
i2Cmd(m_i2c_lcd_control, 0x15); // Set Column Address
usleep(CMD_SLEEP);
i2Cmd (m_i2c_lcd_control, 0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
i2Cmd(m_i2c_lcd_control,
0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
usleep(CMD_SLEEP);
i2Cmd (m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments)
i2Cmd(m_i2c_lcd_control,
0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments)
usleep(CMD_SLEEP);
}
mraa_result_t
SSD1327::setVerticalMode () {
SSD1327::setVerticalMode()
{
i2Cmd(m_i2c_lcd_control, 0xA0); // remap to
usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x46); // Vertical mode

7
src/lcd/ssd1327.h
View File

@@ -28,8 +28,8 @@
#include "i2clcd.h"
#include "ssd.h"
namespace upm {
namespace upm
{
#define DISPLAY_CMD_SET_NORMAL 0xA4
/**
@@ -52,7 +52,8 @@ namespace upm {
* @image html ssd1327.jpeg
* @snippet ssd1327-oled.cxx Interesting
*/
class SSD1327 : public I2CLcd {
class SSD1327 : public I2CLcd
{
public:
/**
* SSD1327 Constructor, calls libmraa initialisation functions