代码自己去官网下，代码内容倒是可以提供下：
/**
******************************************************************************
* @file stm32l152_eval_glass_lcd.c
* @author MCD Application Team
* @version V5.0.2
* @date 09-March-2012
* @brief This file includes the LCD Glass driver for Pacific Display
* (LCD_PD878, PD878-DP-FH-W-LV-6-RH) Module of STM32L152-EVAL board RevB.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32l152_eval_glass_lcd.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32_EVAL
* @{
*/
/** @addtogroup STM32L152_EVAL
* @{
*/
/** @defgroup STM32L152_EVAL_GLASS_LCD
* @brief This file includes the LCD Glass driver for Pacific Display
* (LCD_PD878, PD878-DP-FH-W-LV-6-RH) Module of STM32L152-EVAL board.
* @{
*/
/** @defgroup STM32L152_EVAL_GLASS_LCD_Private_Types
* @{
*/
/**
* @}
*/
/** @defgroup STM32L152_EVAL_GLASS_LCD_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup STM32L152_EVAL_GLASS_LCD_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32L152_EVAL_GLASS_LCD_Private_Variables
* @{
*/
/**
@verbatim
================================================================================
GLASS LCD MAPPING
================================================================================
A
-- ----------
X \/ |\ |I /|
F| H | J |B
| \ | / |
--G-- --K--
| /| \ |
E | L | N |C
| / |M \| _
----------- | |DP
D -
A LCD character coding is based on the following matrix:
{ X , F , E , D }
{ I , J , K , N }
{ A , B , C , DP }
{ H , G , L , M }
The character A for example is:
-------------------------------
{ 0 , 1 , 1 , 0 }
{ 0 , 0 , 1 , 0 }
{ 1 , 1 , 1 , 0 }
{ 0 , 1 , 0 , 0 }
-------------------
= 4 D 7 0 hex
=> 'A' = 0x4D70
@endverbatim
*/
/**
* @brief LETTERS AND NUMBERS MAPPING DEFINITION
*/
uint8_t digit[4]; /* Digit LCD RAM buffer */
__I uint16_t mask[4] = {0xF000, 0x0F00, 0x00F0, 0x000F};
__I uint8_t shift[4] = {0x0C, 0x08, 0x04, 0x00};
/* Letters and number map of PD_878 LCD */
__I uint16_t LetterMap[26]=
{
/* A B C D E F G H I */
0x4D70, 0x6469, 0x4111, 0x6449, 0x4911, 0x4910, 0x4171, 0x0D70, 0x6009,
/* J K L M N O P Q R */
0x0451, 0x0B12, 0x0111, 0x8750, 0x8552, 0x4551, 0x4D30, 0x4553, 0x4D32,
/* S T U V W X Y Z */
0x4961, 0x6008, 0x0551, 0x0390, 0x05D2, 0x8282, 0x8208, 0x4281
};
__I uint16_t NumberMap[10]=
{
/* 0 1 2 3 4 5 6 7 8 9 */
0x47D1, 0x0640, 0x4C31, 0x4C61, 0x0D60, 0x4961, 0x4971, 0x4440, 0x4D71, 0x4D61
};
/**
* @}
*/
/** @defgroup STM32L152_EVAL_LCD_Private_Function_Prototypes
* @{
*/
static void Convert(uint8_t* c, Point_Typedef point, Apostrophe_Typedef apostrophe);
static void delay(__IO uint32_t nCount);
static void LCD_GPIOConfig(void);
/**
* @}
*/
/** @defgroup STM32L152_EVAL_LCD_Private_Functions
* @{
*/
/**
* @brief Configures the LCD GLASS relative GPIO port IOs and LCD peripheral.
* @param None
* @retval None
*/
void LCD_GLASS_Init(void)
{
LCD_InitTypeDef LCD_InitStructure;
LCD_GPIOConfig(); /*!< Configure the LCD Glass GPIO pins */
/*!< Configure the LCD interface -------------------------------------------*/
RCC_APB1PeriphClockCmd(RCC_APB1Periph_LCD, ENABLE); /*!< Enable LCD APB1 Clock */
LCD_InitStructure.LCD_Prescaler = LCD_Prescaler_8;
LCD_InitStructure.LCD_Divider = LCD_Divider_16;
LCD_InitStructure.LCD_Duty = LCD_Duty_1_4;
LCD_InitStructure.LCD_Bias = LCD_Bias_1_3;
LCD_InitStructure.LCD_VoltageSource = LCD_VoltageSource_Internal;
LCD_Init(&LCD_InitStructure);
/*!< Configure the Pulse On Duration */
LCD_PulseOnDurationConfig(LCD_PulseOnDuration_2);
/*!< Configure the LCD Contrast (3.51V) */
LCD_ContrastConfig(LCD_Contrast_Level_7);
/*!< Wait Until the LCD FCR register is synchronized */
LCD_WaitForSynchro();
/*!< Enable LCD peripheral */
LCD_Cmd(ENABLE);
/*!< Wait Until the LCD is enabled */
while(LCD_GetFlagStatus(LCD_FLAG_ENS) == RESET)
{
}
/*!< Wait Until the LCD Booster is ready */
while(LCD_GetFlagStatus(LCD_FLAG_RDY) == RESET)
{
}
}
/**
* @brief This function writes a char in the LCD RAM.
* @param ch: The character to dispaly.
* @param point: A point to add in front of char.
* This parameter can be one of the following values:
* @ARG POINT_OFF: No point to add in front of char.
* @arg POINT_ON: Add a point in front of char.
* @param apostrophe: Flag indicating if a apostrophe has to be add in front
* of displayed character.
* This parameter can be one of the following values:
* @arg APOSTROPHE_OFF: No apostrophe to add in back of char.
* @arg APOSTROPHE_ON: Add an apostrophe in back of char.
* @param position: Position in the LCD of the caracter to write.
* This parameter can be any value in range [0:7].
* @retval None
*/
void LCD_GLASS_DisplayChar(uint8_t* ch, Point_Typedef point, Apostrophe_Typedef apostrophe, uint8_t position)
{
/*!< Wait Until the last LCD RAM update finish */
while(LCD_GetFlagStatus(LCD_FLAG_UDR) != RESET)
{
}
/*!< LCD Write Char */
LCD_GLASS_WriteChar(ch, point, apostrophe, position);
/*!< Requesy LCD RAM update */
LCD_UpdateDisplayRequest();
}
/**
* @brief This function writes a char in the LCD RAM.
* @param ptr: Pointer to string to display on the LCD Glass.
* @retval None
*/
void LCD_GLASS_DisplayString(uint8_t* ptr)
{
uint8_t i = 0x00;
/*!< Wait Until the last LCD RAM update finish */
while(LCD_GetFlagStatus(LCD_FLAG_UDR) != RESET)
{
}
/*!< Send the string character by character on lCD */
while ((*ptr != 0) & (i < 8))
{
/*!< Display one character on LCD */
LCD_GLASS_WriteChar(ptr, POINT_OFF, APOSTROPHE_OFF, i);
/*!< Point on the next character */
ptr++;
/*!< Increment the character counter */
i++;
}
/*!< Requesy LCD RAM update */
LCD_UpdateDisplayRequest();
}
/**
* @brief This function writes a char in the LCD RAM.
* @param ch: The character to dispaly.
* @param point: A point to add in front of char.
* This parameter can be one of the following values:
* @arg POINT_OFF : No point to add in front of char.
* @arg POINT_ON : Add a point in front of char.
* @param apostrophe: Flag indicating if a apostrophe has to be add in front
* of displayed character.
* This parameter can be one of the following values:
* @arg APOSTROPHE_OFF : No apostrophe to add in back of char.
* @arg APOSTROPHE_ON : Add an apostrophe in back of char.
* @param position: Position in the LCD of the caracter to write.
* This parameter can be any value in range [0:7].
* @retval None
*/
void LCD_GLASS_WriteChar(uint8_t* ch, Point_Typedef point, Apostrophe_Typedef apostrophe, uint8_t position)
{
uint32_t tmp = 0x00;
Convert(ch, point, apostrophe); /*!< Convert the corresponding character */
switch (position)
{
case 7:
/*!< Clear the corresponding segments (SEG0, SEG1, SEG2, SEG3) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFFFFFFF0);
/*!< Write the corresponding segments (SEG0, SEG1, SEG2, SEG3) */
LCD->RAM[LCD_RAMRegister_0] |= (uint32_t)(digit[0]);
LCD->RAM[LCD_RAMRegister_2] |= (uint32_t)(digit[1]);
LCD->RAM[LCD_RAMRegister_4] |= (uint32_t)(digit[2]);
LCD->RAM[LCD_RAMRegister_6] |= (uint32_t)(digit[3]);
break;
case 6:
/*!< Clear the corresponding segments (SEG4, SEG5, SEG6, SEG10) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFFFFFB8F);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFFFFFB8F);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFFFFFB8F);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFFFFFB8F);
/*!< Write the corresponding segments (SEG4, SEG5, SEG6, SEG10) */
tmp = (((digit[0] & 0x8) << 7) | ((digit[0]& 0x7) << 4));
LCD->RAM[LCD_RAMRegister_0] |= (uint32_t) tmp;
tmp = (((digit[1] & 0x8) << 7) | ((digit[1]& 0x7) << 4));
LCD->RAM[LCD_RAMRegister_2] |= (uint32_t) tmp;
tmp = (((digit[2] & 0x8) << 7) | ((digit[2]& 0x7) << 4));
LCD->RAM[LCD_RAMRegister_4] |= (uint32_t) tmp;
tmp = (((digit[3] & 0x8) << 7) | ((digit[3]& 0x7) << 4));
LCD->RAM[LCD_RAMRegister_6] |= (uint32_t) tmp;
break;
case 5:
/*!< Clear the corresponding segments (SEG11, SEG16, SEG18, SEG19) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFFF2F7FF);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFFF2F7FF);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFFF2F7FF);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFFF2F7FF);
/*!< Write the corresponding segments (SEG11, SEG16, SEG18, SEG19) */
tmp = (((digit[0] & 0x1) << 11) | ((digit[0]& 0x2) << 15) | ((digit[0]& 0xC) << 16));
LCD->RAM[LCD_RAMRegister_0] |= (uint32_t)(tmp);
tmp = (((digit[1] & 0x1) << 11) | ((digit[1]& 0x2) << 15) | ((digit[1]& 0xC) << 16));
LCD->RAM[LCD_RAMRegister_2] |= (uint32_t)(tmp);
tmp = (((digit[2] & 0x1) << 11) | ((digit[2]& 0x2) << 15) | ((digit[2]& 0xC) << 16));
LCD->RAM[LCD_RAMRegister_4] |= (uint32_t)(tmp);
tmp = (((digit[3] & 0x1) << 11) | ((digit[3]& 0x2) << 15) | ((digit[3]& 0xC) << 16));
LCD->RAM[LCD_RAMRegister_6] |= (uint32_t)(tmp);
break;
case 4:
/*!< Clear the corresponding segments (SEG20, SEG21, SEG22, SEG23) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFF0FFFFF);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFF0FFFFF);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFF0FFFFF);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFF0FFFFF);
/*!< Write the corresponding segments (SEG20, SEG21, SEG22, SEG23) */
LCD->RAM[LCD_RAMRegister_0] |= (uint32_t)(digit[0] << 20);
LCD->RAM[LCD_RAMRegister_2] |= (uint32_t)(digit[1] << 20);
LCD->RAM[LCD_RAMRegister_4] |= (uint32_t)(digit[2] << 20);
LCD->RAM[LCD_RAMRegister_6] |= (uint32_t)(digit[3] << 20);
break;
case 3:
/*!< Clear the corresponding segments (SEG28, SEG29, SEG30, SEG31) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0x0FFFFFFF);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0x0FFFFFFF);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0x0FFFFFFF);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0x0FFFFFFF);
/*!< Write the corresponding segments (SEG28, SEG29, SEG30, SEG31) */
LCD->RAM[LCD_RAMRegister_0] |= (uint32_t)(digit[0] << 28);
LCD->RAM[LCD_RAMRegister_2] |= (uint32_t)(digit[1] << 28);
LCD->RAM[LCD_RAMRegister_4] |= (uint32_t)(digit[2] << 28);
LCD->RAM[LCD_RAMRegister_6] |= (uint32_t)(digit[3] << 28);
break;
case 2:
/*!< Clear the corresponding segments (SEG32, SEG33, SEG34, SEG35) */
LCD->RAM[LCD_RAMRegister_1] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_3] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_5] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_7] &= (uint32_t)(0xFFFFFFF0);
/*!< Write the corresponding segments (SEG32, SEG33, SEG34, SEG35) */
LCD->RAM[LCD_RAMRegister_1] |= (uint32_t)(digit[0] << 0);
LCD->RAM[LCD_RAMRegister_3] |= (uint32_t)(digit[1] << 0);
LCD->RAM[LCD_RAMRegister_5] |= (uint32_t)(digit[2] << 0);
LCD->RAM[LCD_RAMRegister_7] |= (uint32_t)(digit[3] << 0);
break;
case 1:
/*!< Clear the corresponding segments (SEG36, SEG37, SEG38, SEG39) */
LCD->RAM[LCD_RAMRegister_1] &= (uint32_t)(0xFFFFFF0F);
LCD->RAM[LCD_RAMRegister_3] &= (uint32_t)(0xFFFFFF0F);
LCD->RAM[LCD_RAMRegister_5] &= (uint32_t)(0xFFFFFF0F);
LCD->RAM[LCD_RAMRegister_7] &= (uint32_t)(0xFFFFFF0F);
/*!< Write the corresponding segments (SEG36, SEG37, SEG38, SEG39) */
LCD->RAM[LCD_RAMRegister_1] |= (uint32_t)(digit[0] << 4);
LCD->RAM[LCD_RAMRegister_3] |= (uint32_t)(digit[1] << 4);
LCD->RAM[LCD_RAMRegister_5] |= (uint32_t)(digit[2] << 4);
LCD->RAM[LCD_RAMRegister_7] |= (uint32_t)(digit[3] << 4);
break;
case 0:
/*!< Clear the corresponding segments (SEG40, SEG41, SEG42, SEG43) */
LCD->RAM[LCD_RAMRegister_1] &= (uint32_t)(0xFFFFF0FF);
LCD->RAM[LCD_RAMRegister_3] &= (uint32_t)(0xFFFFF0FF);
LCD->RAM[LCD_RAMRegister_5] &= (uint32_t)(0xFFFFF0FF);
LCD->RAM[LCD_RAMRegister_7] &= (uint32_t)(0xFFFFF0FF);
/*!< Write the corresponding segments (SEG40, SEG41, SEG42, SEG43) */
LCD->RAM[LCD_RAMRegister_1] |= (uint32_t)(digit[0] << 8);
LCD->RAM[LCD_RAMRegister_3] |= (uint32_t)(digit[1] << 8);
LCD->RAM[LCD_RAMRegister_5] |= (uint32_t)(digit[2] << 8);
LCD->RAM[LCD_RAMRegister_7] |= (uint32_t)(digit[3] << 8);
break;
}
}
/**
* @brief Display a string in scrolling mode
* @NOTE The LCD should be cleared before to start the write operation.
* @param ptr: Pointer to string to display on the LCD Glass.
* @param nScroll: Specifies how many time the message will be scrolled
* @param ScrollSpeed: Speciifes the speed of the scroll.
* Low value gives higher speed.
* @retval None
*/
void LCD_GLASS_ScrollString(uint8_t* ptr, uint16_t nScroll, uint16_t ScrollSpeed)
{
uint8_t Repetition = 0;
uint8_t* ptr1;
uint8_t str[8] = "";
ptr1 = ptr;
LCD_GLASS_DisplayString(ptr1);
delay(ScrollSpeed);
for (Repetition = 0; Repetition < nScroll; Repetition++)
{
*(str + 1) = *ptr1;
*(str + 2) = *(ptr1 + 1);
*(str + 3) = *(ptr1 + 2);
*(str + 4) = *(ptr1 + 3);
*(str + 5) = *(ptr1 + 4);
*(str + 6) = *(ptr1 + 5);
*(str + 7) =*(ptr1 + 6);
*(str) = *(ptr1 + 7);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 7);
*(str + 2) = *ptr1;
*(str + 3) = *(ptr1 + 1);
*(str + 4) = *(ptr1 + 2);
*(str + 5) = *(ptr1 + 3);
*(str + 6) = *(ptr1 + 4);
*(str + 7) = *(ptr1 + 5);
*(str) = *(ptr1 + 6);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 6);
*(str + 2) = *(ptr1 + 7);
*(str + 3) = *ptr1;
*(str + 4) = *(ptr1 + 1);
*(str + 5) = *(ptr1 + 2);
*(str + 6) = *(ptr1 + 3);
*(str + 7) = *(ptr1 + 4);
*(str) = *(ptr1 + 5);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 5);
*(str + 2) = *(ptr1 + 6);
*(str + 3) = *(ptr1 + 7);
*(str + 4) = *ptr1;
*(str + 5) = *(ptr1 + 1);
*(str + 6) = *(ptr1 + 2);
*(str + 7) = *(ptr1 + 3);
*(str) = *(ptr1 + 4);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 4);
*(str + 2) = *(ptr1 + 5);
*(str + 3) = *(ptr1 + 6);
*(str + 4) = *(ptr1 + 7);
*(str + 5) = *ptr1;
*(str + 6) = *(ptr1 + 1);
*(str + 7) = *(ptr1 + 2);
*(str) = *(ptr1 + 3);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 3);
*(str + 2) = *(ptr1 + 4);
*(str + 3) = *(ptr1 + 5);
*(str + 4) = *(ptr1 + 6);
*(str + 5) = *(ptr1 + 7);
*(str + 6) = *ptr1;
*(str + 7) = *(ptr1 + 1);
*(str) = *(ptr1 + 2);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 2);
*(str + 2) = *(ptr1 + 3);
*(str + 3) = *(ptr1 + 4);
*(str + 4) = *(ptr1 + 5);
*(str + 5) = *(ptr1 + 6);
*(str + 6) = *(ptr1 + 7);
*(str + 7) = *ptr1;
*(str) = *(ptr1 + 1);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
*(str + 1) = *(ptr1 + 1);
*(str + 2) = *(ptr1 + 2);
*(str + 3) = *(ptr1 + 3);
*(str + 4) = *(ptr1 + 4);
*(str + 5) = *(ptr1 + 5);
*(str + 6) = *(ptr1 + 6);
*(str + 7) = *(ptr1 + 7);
*(str) = *(ptr1);
LCD_GLASS_Clear();
LCD_GLASS_DisplayString(str);
delay(ScrollSpeed);
}
}
/**
* @brief This function Clear a char in the LCD RAM.
* @param position: Position in the LCD of the caracter to write.
* This parameter can be any value in range [0:7].
* @retval None
*/
void LCD_GLASS_ClearChar(uint8_t position)
{
switch (position)
{
case 7:
/*!< Clear the corresponding segments (SEG0, SEG1, SEG2, SEG3) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFFFFFFF0);
break;
case 6:
/*!< Clear the corresponding segments (SEG4, SEG5, SEG6, SEG10) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFFFFFB8F);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFFFFFB8F);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFFFFFB8F);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFFFFFB8F);
break;
case 5:
/*!< Clear the corresponding segments (SEG11, SEG16, SEG18, SEG19) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFFF2F7FF);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFFF2F7FF);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFFF2F7FF);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFFF2F7FF);
break;
case 4:
/*!< Clear the corresponding segments (SEG20, SEG21, SEG22, SEG23) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0xFF0FFFFF);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0xFF0FFFFF);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0xFF0FFFFF);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0xFF0FFFFF);
break;
case 3:
/*!< Clear the corresponding segments (SEG28, SEG29, SEG30, SEG31) */
LCD->RAM[LCD_RAMRegister_0] &= (uint32_t)(0x0FFFFFFF);
LCD->RAM[LCD_RAMRegister_2] &= (uint32_t)(0x0FFFFFFF);
LCD->RAM[LCD_RAMRegister_4] &= (uint32_t)(0x0FFFFFFF);
LCD->RAM[LCD_RAMRegister_6] &= (uint32_t)(0x0FFFFFFF);
break;
case 2:
/*!< Clear the corresponding segments (SEG32, SEG33, SEG34, SEG35) */
LCD->RAM[LCD_RAMRegister_1] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_3] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_5] &= (uint32_t)(0xFFFFFFF0);
LCD->RAM[LCD_RAMRegister_7] &= (uint32_t)(0xFFFFFFF0);
break;
case 1:
/*!< Clear the corresponding segments (SEG36, SEG37, SEG38, SEG39) */
LCD->RAM[LCD_RAMRegister_1] &= (uint32_t)(0xFFFFFF0F);
LCD->RAM[LCD_RAMRegister_3] &= (uint32_t)(0xFFFFFF0F);
LCD->RAM[LCD_RAMRegister_5] &= (uint32_t)(0xFFFFFF0F);
LCD->RAM[LCD_RAMRegister_7] &= (uint32_t)(0xFFFFFF0F);
break;
case 0:
/*!< Clear the corresponding segments (SEG40, SEG41, SEG42, SEG43) */
LCD->RAM[LCD_RAMRegister_1] &= (uint32_t)(0xFFFFF0FF);
LCD->RAM[LCD_RAMRegister_3] &= (uint32_t)(0xFFFFF0FF);
LCD->RAM[LCD_RAMRegister_5] &= (uint32_t)(0xFFFFF0FF);
LCD->RAM[LCD_RAMRegister_7] &= (uint32_t)(0xFFFFF0FF);
break;
}
}
/**
* @brief This function Clear the whole LCD RAM.
* @param None
* @retval None
*/
void LCD_GLASS_Clear(void)
{
uint32_t counter = 0;
for (counter = 0; counter < 0x0F; counter++)
{
LCD->RAM[counter] = (uint32_t)0x00;
}
}
/**
* @brief Converts an ascii char to an LCD digit.
* @param c: Char to display.
* @param point: A point to add in front of char.
* This parameter can be one of the following values:
* @arg POINT_OFF : No point to add in front of char.
* @arg POINT_ON : Add a point in front of char.
* @param apostrophe: Flag indicating if a apostrophe has to be add in front
* of displayed character.
* This parameter can be one of the following values:
* @arg APOSTROPHE_OFF : No apostrophe to add in back of char.
* @arg APOSTROPHE_ON : Add an apostrophe in back of char.
* @retval None
*/
static void Convert(uint8_t* c, Point_Typedef point, Apostrophe_Typedef apostrophe)
{
uint16_t ch = 0, tmp = 0;
uint8_t i = 0;
/*!< The character c is a letter in upper case*/
if ((*c < 0x5B) & (*c > 0x40))
{
ch = LetterMap[*c - 0x41];
}
/*!< The character c is a number*/
if ((*c < 0x3A) & (*c > 0x2F))
{
ch = NumberMap[*c - 0x30];
}
/*!< The character c is a space character */
if (*c == 0x20)
{
ch =0x00;
}
/*!< Set the DP seg in the character that can be displayed if the point is on */
if (point == POINT_ON)
{
ch |= 0x0004;
}
/*!< Set the X seg in the character that can be displayed if the apostrophe is on */
if (apostrophe == APOSTROPHE_ON)
{
ch |= 0x1000;
}
for (i = 0; i < 4; i++)
{
tmp = ch & mask;
digit =(uint8_t)(tmp >> shift);
}
}
/**
* @brief Configures the LCD Segments and Coms GPIOs.
* @param None
* @retval None
*/
static void LCD_GPIOConfig(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/*!< Enable GPIOA, GPIOB, GPIOC, GPIOD and GPIOE AHB Clocks */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC
| RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE, ENABLE);
/*!< Connect PA.08 to LCD COM0 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_LCD);
/*!< Connect PA.09 to LCD COM1 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_LCD);
/*!< Connect PA.10 to LCD COM2 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_LCD);
/*!< Connect PB.09 to LCD COM3 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource9, GPIO_AF_LCD);
/*!< Connect PA.01 to LCD SEG0 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource1, GPIO_AF_LCD);
/*!< Connect PA.02 to LCD SEG1 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_LCD);
/*!< Connect PA.03 to LCD SEG2 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_LCD);
/*!< Connect PA.06 to LCD SEG3 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_LCD);
/*!< Connect PA.07 to LCD SEG4 */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_LCD);
/*!< Connect PB.00 to LCD SEG5 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource0, GPIO_AF_LCD);
/*!< Connect PB.01 to LCD SEG6 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource1, GPIO_AF_LCD);
/*!< Connect PB.10 to LCD SEG10 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource10, GPIO_AF_LCD);
/*!< Connect PB.11 to LCD SEG11 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource11, GPIO_AF_LCD);
/*!< Connect PB.08 to LCD SEG16 */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_LCD);
/*!< Connect PC.00 to LCD SEG18 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource0, GPIO_AF_LCD);
/*!< Connect PC.01 to LCD SEG19 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource1, GPIO_AF_LCD);
/*!< Connect PC.02 to LCD SEG20 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource2, GPIO_AF_LCD);
/*!< Connect PC.03 to LCD SEG21 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource3, GPIO_AF_LCD);
/*!< Connect PC.04 to LCD SEG22 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource4, GPIO_AF_LCD);
/*!< Connect PC.05 to LCD SEG23 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource5, GPIO_AF_LCD);
/*!< Connect PD.08 to LCD SEG28 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource8, GPIO_AF_LCD);
/*!< Connect PD.09 to LCD SEG29 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_LCD);
/*!< Connect PD.10 to LCD SEG30 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource10, GPIO_AF_LCD);
/*!< Connect PD.11 to LCD SEG31 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource11, GPIO_AF_LCD);
/*!< Connect PD.12 to LCD SEG32 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource12, GPIO_AF_LCD);
/*!< Connect PD.13 to LCD SEG33 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource13, GPIO_AF_LCD);
/*!< Connect PD.14 to LCD SEG34 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource14, GPIO_AF_LCD);
/*!< Connect PD.15 to LCD SEG35 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource15, GPIO_AF_LCD);
/*!< Connect PE.00 to LCD SEG36 */
GPIO_PinAFConfig(GPIOE, GPIO_PinSource0, GPIO_AF_LCD);
/*!< Connect PE.01 to LCD SEG37 */
GPIO_PinAFConfig(GPIOE, GPIO_PinSource1, GPIO_AF_LCD);
/*!< Connect PE.02 to LCD SEG38 */
GPIO_PinAFConfig(GPIOE, GPIO_PinSource2, GPIO_AF_LCD);
/*!< Connect PE.03 to LCD SEG39 */
GPIO_PinAFConfig(GPIOE, GPIO_PinSource3, GPIO_AF_LCD);
/*!< Connect PC.10 to LCD SEG40 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_LCD);
/*!< Connect PC.11 to LCD SEG41 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_LCD);
/*!< Connect PC.12 to LCD SEG42 */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_LCD);
/*!< Connect PD.02 to LCD SEG43 */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_LCD);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_6 | \
GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 | GPIO_Pin_9 | \
GPIO_Pin_10 | GPIO_Pin_11;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | \
GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_10 | GPIO_Pin_11 | \
GPIO_Pin_12;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | \
GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | \
GPIO_Pin_15;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
GPIO_Init(GPIOE, &GPIO_InitStructure);
}
/**
* @brief Inserts a delay time.
* @param nCount: specifies the delay time length.
* @retval None
*/
static void delay(__IO uint32_t nCount)
{
__IO uint32_t index = 0;
for(index = (0xFF * nCount); index != 0; index--)
{
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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