Improvements:
- HAL re-organized - FreeRTOS running stable - UART finished - SPI1 & SPI3 finished and functional - Display driver added (functional) git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@172 05563f52-14a8-4384-a975-3d1654cca0fa
This commit is contained in:
mmi
@@ -0,0 +1,48 @@
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CROSS_COMPILE = arm-none-eabi-
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CC = $(CROSS_COMPILE)gcc
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LD = $(CROSS_COMPILE)gcc
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||||
AR = $(CROSS_COMPILE)ar
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||||
OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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||||
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OBJDIR = obj
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SRCDIR = src/
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ROOTDIR = ../../
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LIBRARY_NAME = ../libDisplay.a
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CCFLAGS = -c -O2 -Wall -g -fno-common -mcpu=cortex-m3 -mthumb \
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-Iinc \
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||||
-I../Platform/inc \
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||||
-I../Misc/inc \
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||||
-I$(ROOTDIR)/hsb-mrts/inc \
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||||
-I$(ROOTDIR)/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/STM32F10x_StdPeriph_Driver/inc \
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-I$(ROOTDIR)/FreeRTOS/Source/include \
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-I$(ROOTDIR)/FreeRTOS/Source/portable/GCC/ARM_CM3 \
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-I$(ROOTDIR)/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/CMSIS/CM3/DeviceSupport/ST/STM32F10x \
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-I$(ROOTDIR)/STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/CMSIS/CM3/CoreSupport
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ARFLAGS = rs
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OBJECTS = \
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nhd0420.o \
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||||
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||||
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vpath %.o $(OBJDIR)
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vpath %.c $(SRCDIR)
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all: $(LIBRARY_NAME)
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||||
$(LIBRARY_NAME): $(OBJDIR) $(OBJECTS)
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$(AR) $(ARFLAGS) $@ $(addprefix $(OBJDIR)/, $(OBJECTS))
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||||
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||||
%.o: %.c
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||||
$(CC) $(CCFLAGS) $< -o $(OBJDIR)/$@
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$(OBJDIR):
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mkdir -p $@
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clean:
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rm -rf $(OBJDIR) $(LIBRARY_NAME)
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.PHONY: all clean
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@@ -0,0 +1,242 @@
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// -----------------------------------------------------------------------------
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||||
/// @file nhd0420.h
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||||
/// @brief File description
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||||
// -----------------------------------------------------------------------------
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||||
// Micro-Key bv
|
||||
// Industrieweg 28, 9804 TG Noordhorn
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||||
// Postbus 92, 9800 AB Zuidhorn
|
||||
// The Netherlands
|
||||
// Tel: +31 594 503020
|
||||
// Fax: +31 594 505825
|
||||
// Email: support@microkey.nl
|
||||
// Web: www.microkey.nl
|
||||
// -----------------------------------------------------------------------------
|
||||
/// $Revision: $
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||||
/// $Author: $
|
||||
/// $Date: $
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||||
// (c) 2017 Micro-Key bv
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||||
// -----------------------------------------------------------------------------
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||||
|
||||
/// @defgroup {group_name} {group_description}
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||||
/// Description
|
||||
|
||||
/// @file nhd0420.h
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||||
/// @ingroup {group_name}
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||||
|
||||
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||||
#ifndef DISPLAY_INC_NHD0420_H_
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#define DISPLAY_INC_NHD0420_H_
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||||
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||||
// -----------------------------------------------------------------------------
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||||
// Include files
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||||
// -----------------------------------------------------------------------------
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||||
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------
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||||
// Constant and macro definitions
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||||
// -----------------------------------------------------------------------------
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|
||||
#define NHD0420_NUMBER_OF_ROWS (4)
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||||
#define NHD0420_NUMBER_OF_COLUMNS (20)
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||||
#define NHD0420_CONTRAST_MIN (1)
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#define NHD0420_CONTRAST_MAX (50)
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||||
|
||||
#define NHD0420_BRIGHTNESS_MIN (1)
|
||||
#define NHD0420_BRIGHTNESS_MAX (8)
|
||||
|
||||
#define NHD0420_BAUDRATE_MIN (1)
|
||||
#define NHD0420_BAUDRATE_MAX (8)
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||||
|
||||
#define NHD0420_CMD_LENGTH (2)
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||||
|
||||
#define NHD0420_CMD_PREFIX (0xFE)
|
||||
|
||||
#define NHD0420_CMD_DISPLAY_ON (0x41)
|
||||
#define NHD0420_CMD_DISPLAY_OFF (0x42)
|
||||
#define NHD0420_CMD_CURSOR_SET (0x45)
|
||||
#define NHD0420_CMD_CURSOR_HOME (0x46)
|
||||
#define NHD0420_CMD_CURSOR_UL_ON (0x47)
|
||||
#define NHD0420_CMD_CURSOR_UL_OFF (0x48)
|
||||
#define NHD0420_CMD_CURSOR_MV_LEFT (0x49)
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||||
#define NHD0420_CMD_CURSOR_MV_RIGHT (0x4A)
|
||||
#define NHD0420_CMD_CURSOR_BLK_ON (0x4B)
|
||||
#define NHD0420_CMD_CURSOR_BLK_OFF (0x4C)
|
||||
#define NHD0420_CMD_CURSOR_BACKSPACE (0x4E)
|
||||
#define NHD0420_CMD_CLR_SCREEN (0x51)
|
||||
#define NHD0420_CMD_SET_CONTRAST (0x52)
|
||||
#define NHD0420_CMD_SET_BRIGHTNESS (0x53)
|
||||
#define NHD0420_CMD_LOAD_CSTM_CHAR (0x54)
|
||||
#define NHD0420_CMD_MV_DISPLAY_LEFT (0x55)
|
||||
#define NHD0420_CMD_MV_DISPLAY_RIGHT (0x56)
|
||||
#define NHD0420_CMD_CHANGE_RS232_BR (0x61)
|
||||
#define NHD0420_CMD_CHANGE_I2C_ADDRSS (0x62)
|
||||
#define NHD0420_CMD_SHOW_VERSION (0x70)
|
||||
#define NHD0420_CMD_SHOW_RS232_BR (0x71)
|
||||
#define NHD0420_CMD_SHOW_I2C_ADDRSS (0x72)
|
||||
|
||||
#define NHD0420_turnOnDisplay() NHD0420_sendCommand(NHD0420_CMD_DISPLAY_ON)
|
||||
#define NHD0420_turnOffDisplay() NHD0420_sendCommand(NHD0420_CMD_DISPLAY_OFF)
|
||||
|
||||
#define NHD0420_setCursorToHome() NHD0420_sendCommand(NHD0420_CMD_CURSOR_HOME)
|
||||
#define NHD0420_setUnderlineCursorOn() NHD0420_sendCommand(NHD0420_CMD_CURSOR_UL_ON)
|
||||
#define NHD0420_setUnderlineCursorOff() NHD0420_sendCommand(NHD0420_CMD_CURSOR_UL_OFF)
|
||||
#define NHD0420_moveCursorToLeft() NHD0420_sendCommand(NHD0420_CMD_CURSOR_MV_LEFT)
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#define NHD0420_moveCursorToRight() NHD0420_sendCommand(NHD0420_CMD_CURSOR_MV_RIGHT)
|
||||
#define NHD0420_turnOnBlinkingCursor() NHD0420_sendCommand(NHD0420_CMD_CURSOR_BLK_ON)
|
||||
#define NHD0420_turnOffBlinkingCursor() NHD0420_sendCommand(NHD0420_CMD_CURSOR_BLK_OFF)
|
||||
#define NHD0420_useBackspace() NHD0420_sendCommand(NHD0420_CMD_CURSOR_BACKSPACE)
|
||||
#define NHD0420_clearScreen() NHD0420_sendCommand(NHD0420_CMD_CLR_SCREEN)
|
||||
|
||||
#define NHD0420_moveDisplayToLeft() NHD0420_sendCommand(NHD0420_CMD_MV_DISPLAY_LEFT)
|
||||
#define NHD0420_moveDisplayToRight() NHD0420_sendCommand(NHD0420_CMD_MV_DISPLAY_RIGHT)
|
||||
|
||||
#define NHD0420_showFirmwareVersion() NHD0420_sendCommand(NHD0420_CMD_SHOW_VERSION)
|
||||
#define NHD0420_showRS232Baudrate() NHD0420_sendCommand(NHD0420_CMD_SHOW_RS232_BR)
|
||||
#define NHD0420_showI2CAddress() NHD0420_sendCommand(NHD0420_CMD_SHOW_I2C_ADDRSS)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Type definitions.
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Function declarations
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
|
||||
/** ----------------------------------------------------------------------------
|
||||
* NHD0420_Init
|
||||
* Initialises the NewHeaven Display 0420
|
||||
*
|
||||
* @param interface The interface to use
|
||||
*
|
||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
|
||||
* -----------------------------------------------------------------------------
|
||||
*/
|
||||
extern ErrorStatus NHD0420_construct(void* interface);
|
||||
|
||||
|
||||
/** ----------------------------------------------------------------------------
|
||||
* NHD0420_setCursorToPosition
|
||||
* Sets the cursor of the display to the specified row and column
|
||||
*
|
||||
* @param row The Row to set - between 1 and 4
|
||||
* @param column The column to set - between 1 and 20
|
||||
*
|
||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
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||||
* -----------------------------------------------------------------------------
|
||||
*/
|
||||
extern ErrorStatus NHD0420_setCursorToPosition(uint8_t row, uint8_t column);
|
||||
|
||||
|
||||
/** ----------------------------------------------------------------------------
|
||||
* NHD0420_setContrast
|
||||
* Sets the contrast of the display
|
||||
*
|
||||
* @param contrast The contrast to set - between 1 and 50.
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||||
* If passed value is outside the boundaries
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||||
* this function will return ERROR
|
||||
*
|
||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
|
||||
* -----------------------------------------------------------------------------
|
||||
*/
|
||||
extern ErrorStatus NHD0420_setContrast(uint8_t contrast);
|
||||
|
||||
|
||||
/** ----------------------------------------------------------------------------
|
||||
* NHD0420_setBacklightBrightness
|
||||
* Sets the backlight brightness of the display
|
||||
*
|
||||
* @param brightness The contrast to set - between 1 and 8
|
||||
* If passed value is outside the boundaries
|
||||
* this function will return ERROR
|
||||
*
|
||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
|
||||
* -----------------------------------------------------------------------------
|
||||
*/
|
||||
extern ErrorStatus NHD0420_setBacklightBrightness(uint8_t brightness);
|
||||
|
||||
|
||||
/** ----------------------------------------------------------------------------
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||||
* NHD0420_setRS232Baudrate
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||||
* Sets the baudrate of the display
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||||
*
|
||||
* @param baudrate The baudrate to set - between 1 and 8
|
||||
* 1 = 300 baud
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||||
* 2 = 1200 baud
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||||
* 3 = 2400 baud
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||||
* 4 = 9600 baud
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||||
* 5 = 14400 baud
|
||||
* 6 = 19200 baud
|
||||
* 7 = 57600 baud
|
||||
* 8 = 115200 baud
|
||||
* If passed value is outside the boundaries
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||||
* this function will return ERROR
|
||||
*
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||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
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||||
*
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||||
* @todo
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||||
* -----------------------------------------------------------------------------
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||||
*/
|
||||
extern ErrorStatus NHD0420_setRS232Baudrate(uint8_t baudrate);
|
||||
|
||||
|
||||
/** ----------------------------------------------------------------------------
|
||||
* NHD0420_setI2CAddress
|
||||
* Sets the I2C address of the display
|
||||
*
|
||||
* @param address The address to set
|
||||
* This command sets the I2C address. The
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||||
* address must be an even number (LSB = 0)
|
||||
* and must not be 0xFF.
|
||||
* The address change requires 20 us to
|
||||
* take effect; therefore, the subsequent
|
||||
* input must have an appropriate delay.
|
||||
* The default I2C address can be
|
||||
* restored if SPI or RS-232 is selected as
|
||||
* the communication mode.
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||||
* Default: 0x50
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||||
*
|
||||
*
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||||
* @return ErrorStatus SUCCESS if initialisation was successful
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||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
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||||
* -----------------------------------------------------------------------------
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||||
*/
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||||
extern ErrorStatus NHD0420_setI2CAddress(uint8_t address);
|
||||
|
||||
/** ----------------------------------------------------------------------------
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||||
* NHD0420_SendCommand
|
||||
* Send a command to the display
|
||||
*
|
||||
* @param command
|
||||
*
|
||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
|
||||
* -----------------------------------------------------------------------------
|
||||
*/
|
||||
extern ErrorStatus NHD0420_sendCommand(uint8_t command);
|
||||
|
||||
extern ErrorStatus NHD0420_sendData(const uint8_t* buffer, size_t length);
|
||||
|
||||
#endif /* DISPLAY_INC_NHD0420_H_ */
|
||||
@@ -0,0 +1,241 @@
|
||||
// -----------------------------------------------------------------------------
|
||||
/// @file nhd0420.c
|
||||
/// @brief Description
|
||||
// -----------------------------------------------------------------------------
|
||||
// Micro-Key bv
|
||||
// Industrieweg 28, 9804 TG Noordhorn
|
||||
// Postbus 92, 9800 AB Zuidhorn
|
||||
// The Netherlands
|
||||
// Tel: +31 594 503020
|
||||
// Fax: +31 594 505825
|
||||
// Email: support@microkey.nl
|
||||
// Web: www.microkey.nl
|
||||
// -----------------------------------------------------------------------------
|
||||
/// $Revision: $
|
||||
/// $Author: $
|
||||
/// $Date: $
|
||||
// (c) 2017 Micro-Key bv
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
/// @file nhd0420.c
|
||||
/// @ingroup {group_name}
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Include files
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
#include <stdio.h>
|
||||
#include "stm32f10x.h"
|
||||
|
||||
#include "nhd0420.h"
|
||||
|
||||
#include "spi.h"
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Constant and macro definitions
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
#define NHD0420_CURSOR_OFFSET_ROW1 (0x00)
|
||||
#define NHD0420_CURSOR_OFFSET_ROW2 (0x40)
|
||||
#define NHD0420_CURSOR_OFFSET_ROW3 (0x14)
|
||||
#define NHD0420_CURSOR_OFFSET_ROW4 (0x54)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Type definitions
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// File-scope variables
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
static int nhd0420_cursorRowOffset[NHD0420_NUMBER_OF_ROWS] =
|
||||
{
|
||||
NHD0420_CURSOR_OFFSET_ROW1,
|
||||
NHD0420_CURSOR_OFFSET_ROW2,
|
||||
NHD0420_CURSOR_OFFSET_ROW3,
|
||||
NHD0420_CURSOR_OFFSET_ROW4
|
||||
};
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Function declarations
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Function definitions
|
||||
// -----------------------------------------------------------------------------
|
||||
|
||||
static struct SpiDevice* nhd0420Interface;
|
||||
|
||||
ErrorStatus NHD0420_construct(void* interface)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
nhd0420Interface = (struct SpiDevice*)interface;
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
|
||||
ErrorStatus NHD0420_setCursorToPosition(uint8_t row, uint8_t column)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
// Setting cursor requires sending a command sequence with an additional
|
||||
// address parameter representing the line/column
|
||||
|
||||
// Each line has a dedicated offset, the column is simply added to that offset
|
||||
// Make sure to keep within boundaries to avoid glitches
|
||||
|
||||
row = row -1;
|
||||
column = column - 1;
|
||||
|
||||
// Check the coordinates to avoid glitches
|
||||
if ((row >= NHD0420_NUMBER_OF_ROWS) && (column >= NHD0420_NUMBER_OF_COLUMNS))
|
||||
{
|
||||
returnValue = ERROR;
|
||||
}
|
||||
|
||||
if (returnValue == SUCCESS)
|
||||
{
|
||||
uint8_t address = nhd0420_cursorRowOffset[row] + column;
|
||||
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CURSOR_SET, address};
|
||||
returnValue = NHD0420_sendData(buffer, 3);
|
||||
}
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
|
||||
ErrorStatus NHD0420_setContrast(uint8_t contrast)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
// Setting contrast requires sending a command sequence with an additional
|
||||
// parameter representing the contrast
|
||||
// Contrast values must be between NHD0420_CONTRAST_MIN and
|
||||
// NHD0420_CONTRAST_MAX. If boundaries are exceeded, this function will be
|
||||
// left with an ERROR
|
||||
|
||||
if ((contrast < NHD0420_CONTRAST_MIN) || (contrast > NHD0420_CONTRAST_MAX))
|
||||
{
|
||||
returnValue = ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (returnValue == SUCCESS)
|
||||
{
|
||||
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_SET_CONTRAST, contrast};
|
||||
returnValue = NHD0420_sendData(buffer, 3);
|
||||
}
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
|
||||
ErrorStatus NHD0420_setBacklightBrightness(uint8_t brightness)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
// Setting backlight brightness requires sending a command sequence with an
|
||||
// additional parameter representing the brightness
|
||||
// Brightness values must be between NHD0420_BRIGHTNESS_MIN and
|
||||
// NHD0420_BRIGHTNESS_MAX. If boundaries are exceeded, this function will be
|
||||
// left with an ERROR
|
||||
|
||||
if ((brightness < NHD0420_BRIGHTNESS_MIN) || (brightness > NHD0420_BRIGHTNESS_MAX))
|
||||
{
|
||||
returnValue = ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (returnValue == SUCCESS)
|
||||
{
|
||||
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_SET_BRIGHTNESS, brightness};
|
||||
returnValue = NHD0420_sendData(buffer, 3);
|
||||
}
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
|
||||
ErrorStatus NHD0420_setRS232Baudrate(uint8_t baudrate)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
// Setting baudrate requires sending a command sequence with an
|
||||
// additional parameter representing the baudrate
|
||||
// Baudrate values must be between NHD0420_BAUDRATE_MIN and
|
||||
// NHD0420_BAUDRATE_MAX. If boundaries are exceeded, this function will be
|
||||
// left with an ERROR
|
||||
|
||||
if ((baudrate < NHD0420_BAUDRATE_MIN) || (baudrate > NHD0420_BAUDRATE_MAX))
|
||||
{
|
||||
returnValue = ERROR;
|
||||
}
|
||||
|
||||
if (returnValue == SUCCESS)
|
||||
{
|
||||
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CHANGE_RS232_BR, baudrate};
|
||||
returnValue = NHD0420_sendData(buffer, 3);
|
||||
}
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
|
||||
ErrorStatus NHD0420_setI2CAddress(uint8_t address)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
// Setting I2C requires sending a command sequence with an
|
||||
// additional parameter representing the address
|
||||
// Baudrate values must be between NHD0420_BAUDRATE_MIN and
|
||||
// NHD0420_BAUDRATE_MAX. If boundaries are exeeded, this function will be
|
||||
// left with an ERROR
|
||||
|
||||
if ((address | 0xFE) != 0xFE)
|
||||
{
|
||||
returnValue = ERROR;
|
||||
}
|
||||
|
||||
if (returnValue == SUCCESS)
|
||||
{
|
||||
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CHANGE_I2C_ADDRSS, address};
|
||||
returnValue = NHD0420_sendData(buffer, 3);
|
||||
}
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
/** ----------------------------------------------------------------------------
|
||||
* NHD0420_SendCommand
|
||||
* Send a command to the display
|
||||
*
|
||||
* @param command
|
||||
*
|
||||
* @return ErrorStatus SUCCESS if initialisation was successful
|
||||
* ERROR otherwise
|
||||
*
|
||||
* @todo
|
||||
* -----------------------------------------------------------------------------
|
||||
*/
|
||||
ErrorStatus NHD0420_sendCommand(uint8_t command)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
uint8_t buffer[NHD0420_CMD_LENGTH] = {NHD0420_CMD_PREFIX, command};
|
||||
|
||||
returnValue = SPI_write(nhd0420Interface, buffer, NHD0420_CMD_LENGTH);
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
|
||||
|
||||
ErrorStatus NHD0420_sendData(const uint8_t* buffer, size_t length)
|
||||
{
|
||||
ErrorStatus returnValue = SUCCESS;
|
||||
|
||||
returnValue = SPI_write(nhd0420Interface, buffer, length);
|
||||
|
||||
return returnValue;
|
||||
}
|
||||
Reference in New Issue
Block a user