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nest-open-source / nest-detect / 1.0.2 / freertos / 3596ea682f3ce9443f7d95a9444fbe1ba09dc31d / . / FreeRTOS / Demo / ARM7_STR75x_GCC / STLibrary / src / lcd.c
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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name : lcd.c
* Author : MCD Application Team
* Date First Issued : 03/10/2006
* Description : This file includes the LCD driver for GXM12232-2SL liquid
* Crystal Display Module of STR75x-EVAL.
********************************************************************************
* History:
* 07/17/2006 : V1.0
* 03/10/2006 : V0.1
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "lcd.h"
/* Private typedef -----------------------------------------------------------*/
/* Peripherals InitStructure define */
GPIO_InitTypeDef GPIO_InitStructure;
/* Private define ------------------------------------------------------------*/
#define LCD_GPIO_Pins 0x3FC00
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Global variable to set the written text color: used for LCD_Printf */
TextColorMode_TypeDef TextMode = BlackText;
/* ASCII Table: each character is 7 column (7dots large) on two pages (16dots high) */
/* 7 column character: Two 8bit data to display one column*/
const u8 AsciiDotsTable[1778] = {
/* ASCII 0 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 1 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 2 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 3 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 4 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 5 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 6 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 7 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 8 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 9 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 10 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 11 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 12 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 13 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 14 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 15 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 16 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 17 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 18 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 19 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 20 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 21 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 22 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 23 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 24 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 25 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 26 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 27 */ 0x1f,0xe0,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x1f,0xe0,0x00,0x00,
/* ASCII 28 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 29 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 30 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 31 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 32 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 33 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x13,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 34 */ 0x00,0x00,0x00,0xe0,0x00,0x20,0x00,0x00,0x00,0xe0,0x00,0x20,0x00,0x00,
/* ASCII 35 */ 0x00,0x00,0x35,0x00,0x0f,0x80,0x35,0x60,0x0f,0x80,0x05,0x60,0x00,0x00,
/* ASCII 36 */ 0x00,0x00,0x0d,0x80,0x0a,0x40,0x3a,0x60,0x06,0x40,0x00,0x00,0x00,0x00,
/* ASCII 37 */ 0x00,0x00,0x02,0x40,0x02,0xa0,0x0a,0x40,0x15,0x00,0x09,0x00,0x00,0x00,
/* ASCII 38 */ 0x00,0x00,0x0c,0x00,0x13,0x00,0x14,0x80,0x08,0x80,0x14,0x00,0x00,0x00,
/* ASCII 39 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 40 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0x80,0x60,0x60,0x00,0x00,0x00,0x00,
/* ASCII 41 */ 0x00,0x00,0x00,0x00,0x60,0x60,0x1f,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 42 */ 0x00,0x00,0x00,0x40,0x03,0x40,0x00,0xe0,0x03,0x40,0x00,0x40,0x00,0x00,
/* ASCII 43 */ 0x02,0x00,0x02,0x00,0x02,0x00,0x1f,0xc0,0x02,0x00,0x02,0x00,0x02,0x00,
/* ASCII 44 */ 0x00,0x00,0x00,0x00,0x60,0x00,0x38,0x00,0x08,0x00,0x00,0x00,0x00,0x00,
/* ASCII 45 */ 0x00,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x02,0x00,0x00,0x00,
/* ASCII 46 */ 0x00,0x00,0x00,0x00,0x18,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 47 */ 0x00,0x00,0x20,0x00,0x18,0x00,0x06,0x00,0x01,0x80,0x00,0x60,0x00,0x00,
/* ASCII 48 */ 0x00,0x00,0x0f,0xc0,0x10,0x20,0x10,0x20,0x10,0x20,0x0f,0xc0,0x00,0x00,
/* ASCII 49 */ 0x00,0x00,0x10,0x00,0x10,0x20,0x1f,0xe0,0x10,0x00,0x10,0x00,0x00,0x00,
/* ASCII 50 */ 0x00,0x00,0x18,0x40,0x14,0x20,0x12,0x20,0x11,0x20,0x18,0xc0,0x00,0x00,
/* ASCII 51 */ 0x00,0x00,0x08,0x40,0x10,0x20,0x11,0x20,0x11,0x20,0x0e,0xc0,0x00,0x00,
/* ASCII 52 */ 0x00,0x00,0x06,0x00,0x05,0x00,0x04,0xc0,0x14,0x20,0x1f,0xe0,0x14,0x00,
/* ASCII 53 */ 0x00,0x00,0x08,0x00,0x11,0xe0,0x11,0x20,0x11,0x20,0x0e,0x20,0x00,0x00,
/* ASCII 54 */ 0x00,0x00,0x0f,0x80,0x11,0x40,0x11,0x20,0x11,0x20,0x0e,0x20,0x00,0x00,
/* ASCII 55 */ 0x00,0x00,0x00,0x60,0x00,0x20,0x18,0x20,0x07,0x20,0x00,0xe0,0x00,0x00,
/* ASCII 56 */ 0x00,0x00,0x0e,0xc0,0x11,0x20,0x11,0x20,0x11,0x20,0x0e,0xc0,0x00,0x00,
/* ASCII 57 */ 0x00,0x00,0x11,0xc0,0x12,0x20,0x12,0x20,0x0a,0x20,0x07,0xc0,0x00,0x00,
/* ASCII 58 */ 0x00,0x00,0x00,0x00,0x19,0x80,0x19,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 59 */ 0x00,0x00,0x00,0x00,0x30,0x00,0x19,0x80,0x09,0x80,0x00,0x00,0x00,0x00,
/* ASCII 60 */ 0x02,0x00,0x05,0x00,0x05,0x00,0x08,0x80,0x10,0x40,0x10,0x40,0x00,0x00,
/* ASCII 61 */ 0x00,0x00,0x05,0x00,0x05,0x00,0x05,0x00,0x05,0x00,0x05,0x00,0x00,0x00,
/* ASCII 62 */ 0x10,0x40,0x10,0x40,0x08,0x80,0x05,0x00,0x05,0x00,0x02,0x00,0x00,0x00,
/* ASCII 63 */ 0x00,0x00,0x00,0x00,0x10,0x80,0x14,0x40,0x02,0x40,0x01,0x80,0x00,0x00,
/* ASCII 64 */ 0x00,0x00,0x1f,0xe0,0x20,0x10,0x23,0x10,0x24,0x90,0x17,0xe0,0x00,0x00,
/* ASCII 65 */ 0x10,0x00,0x1c,0x00,0x17,0xa0,0x04,0x60,0x17,0x80,0x1c,0x00,0x10,0x00,
/* ASCII 66 */ 0x10,0x20,0x1f,0xe0,0x11,0x20,0x11,0x20,0x11,0x20,0x0e,0xc0,0x00,0x00,
/* ASCII 67 */ 0x00,0x00,0x0f,0xc0,0x10,0x20,0x10,0x20,0x10,0x20,0x08,0x60,0x00,0x00,
/* ASCII 68 */ 0x10,0x20,0x1f,0xe0,0x10,0x20,0x10,0x20,0x08,0x40,0x07,0x80,0x00,0x00,
/* ASCII 69 */ 0x10,0x20,0x1f,0xe0,0x11,0x20,0x13,0xa0,0x10,0x20,0x18,0x60,0x00,0x00,
/* ASCII 70 */ 0x00,0x00,0x10,0x20,0x1f,0xe0,0x11,0x20,0x03,0xa0,0x00,0x20,0x00,0x60,
/* ASCII 71 */ 0x00,0x00,0x0f,0xc0,0x10,0x20,0x10,0x20,0x12,0x20,0x0e,0x60,0x02,0x00,
/* ASCII 72 */ 0x10,0x20,0x1f,0xe0,0x11,0x20,0x01,0x00,0x11,0x20,0x1f,0xe0,0x10,0x20,
/* ASCII 73 */ 0x00,0x00,0x10,0x20,0x10,0x20,0x1f,0xe0,0x10,0x20,0x10,0x20,0x00,0x00,
/* ASCII 74 */ 0x00,0x00,0x0e,0x00,0x10,0x20,0x10,0x20,0x0f,0xe0,0x00,0x20,0x00,0x00,
/* ASCII 75 */ 0x10,0x20,0x1f,0xe0,0x12,0x20,0x03,0x00,0x04,0xa0,0x18,0x60,0x10,0x20,
/* ASCII 76 */ 0x00,0x00,0x10,0x20,0x1f,0xe0,0x10,0x20,0x10,0x00,0x1c,0x00,0x00,0x00,
/* ASCII 77 */ 0x10,0x20,0x1f,0xe0,0x10,0xe0,0x03,0x00,0x10,0xe0,0x1f,0xe0,0x10,0x20,
/* ASCII 78 */ 0x10,0x20,0x1f,0xe0,0x10,0xe0,0x07,0x00,0x18,0x20,0x1f,0xe0,0x00,0x20,
/* ASCII 79 */ 0x00,0x00,0x0f,0xc0,0x10,0x20,0x10,0x20,0x10,0x20,0x0f,0xc0,0x00,0x00,
/* ASCII 80 */ 0x00,0x00,0x10,0x20,0x1f,0xe0,0x12,0x20,0x02,0x20,0x01,0xc0,0x00,0x00,
/* ASCII 81 */ 0x00,0x00,0x0f,0xc0,0x10,0x20,0x30,0x20,0x30,0x20,0x2f,0xc0,0x00,0x00,
/* ASCII 82 */ 0x10,0x20,0x1f,0xe0,0x12,0x20,0x02,0x20,0x06,0x20,0x09,0xc0,0x10,0x00,
/* ASCII 83 */ 0x00,0x00,0x18,0xc0,0x09,0x20,0x11,0x20,0x11,0x40,0x0e,0x60,0x00,0x00,
/* ASCII 84 */ 0x00,0x60,0x00,0x20,0x10,0x20,0x1f,0xe0,0x10,0x20,0x00,0x20,0x00,0x60,
/* ASCII 85 */ 0x00,0x20,0x0f,0xe0,0x10,0x20,0x10,0x00,0x10,0x20,0x0f,0xe0,0x00,0x20,
/* ASCII 86 */ 0x00,0x20,0x00,0xe0,0x07,0x20,0x18,0x00,0x07,0x20,0x00,0xe0,0x00,0x20,
/* ASCII 87 */ 0x00,0x20,0x0f,0xe0,0x10,0x20,0x0f,0x00,0x10,0x20,0x0f,0xe0,0x00,0x20,
/* ASCII 88 */ 0x10,0x20,0x18,0x60,0x04,0x80,0x03,0x00,0x04,0x80,0x18,0x60,0x10,0x20,
/* ASCII 89 */ 0x00,0x20,0x00,0x60,0x11,0xa0,0x1e,0x00,0x11,0xa0,0x00,0x60,0x00,0x20,
/* ASCII 90 */ 0x00,0x00,0x18,0x60,0x14,0x20,0x13,0x20,0x10,0xa0,0x18,0x60,0x00,0x00,
/* ASCII 91 */ 0x00,0x00,0x00,0x00,0x7f,0xe0,0x40,0x20,0x40,0x20,0x00,0x00,0x00,0x00,
/* ASCII 92 */ 0x00,0x00,0x00,0x20,0x01,0xc0,0x06,0x00,0x38,0x00,0x00,0x00,0x00,0x00,
/* ASCII 93 */ 0x00,0x00,0x00,0x00,0x40,0x20,0x40,0x20,0x7f,0xe0,0x00,0x00,0x00,0x00,
/* ASCII 94 */ 0x00,0x00,0x01,0x00,0x00,0x80,0x00,0x60,0x00,0x80,0x01,0x00,0x00,0x00,
/* ASCII 95 */ 0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,
/* ASCII 96 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x40,0x00,0x00,0x00,0x00,
/* ASCII 97 */ 0x00,0x00,0x0d,0x00,0x12,0x80,0x12,0x80,0x12,0x80,0x1f,0x00,0x10,0x00,
/* ASCII 98 */ 0x10,0x20,0x1f,0xe0,0x11,0x00,0x10,0x80,0x10,0x80,0x0f,0x00,0x00,0x00,
/* ASCII 99 */ 0x00,0x00,0x0f,0x00,0x10,0x80,0x10,0x80,0x10,0x80,0x09,0x80,0x00,0x00,
/* ASCII 100 */ 0x00,0x00,0x0f,0x00,0x10,0x80,0x10,0x80,0x11,0x20,0x1f,0xe0,0x10,0x00,
/* ASCII 101 */ 0x00,0x00,0x0f,0x00,0x12,0x80,0x12,0x80,0x12,0x80,0x13,0x00,0x00,0x00,
/* ASCII 102 */ 0x00,0x00,0x10,0x80,0x1f,0xc0,0x10,0xa0,0x10,0xa0,0x10,0xa0,0x00,0x00,
/* ASCII 103 */ 0x00,0x00,0x0f,0x00,0x50,0x80,0x50,0x80,0x51,0x00,0x3f,0x80,0x00,0x80,
/* ASCII 104 */ 0x10,0x20,0x1f,0xe0,0x11,0x00,0x00,0x80,0x10,0x80,0x1f,0x00,0x10,0x00,
/* ASCII 105 */ 0x00,0x00,0x10,0x80,0x10,0x80,0x1f,0xa0,0x10,0x00,0x10,0x00,0x00,0x00,
/* ASCII 106 */ 0x00,0x00,0x40,0x80,0x40,0x80,0x40,0xa0,0x3f,0x80,0x00,0x00,0x00,0x00,
/* ASCII 107 */ 0x10,0x20,0x1f,0xe0,0x02,0x00,0x16,0x80,0x19,0x80,0x10,0x80,0x00,0x00,
/* ASCII 108 */ 0x00,0x00,0x10,0x00,0x10,0x20,0x1f,0xe0,0x10,0x00,0x10,0x00,0x00,0x00,
/* ASCII 109 */ 0x10,0x80,0x1f,0x80,0x10,0x80,0x1f,0x00,0x10,0x80,0x1f,0x00,0x10,0x00,
/* ASCII 110 */ 0x10,0x80,0x1f,0x80,0x11,0x00,0x00,0x80,0x10,0x80,0x1f,0x00,0x10,0x00,
/* ASCII 111 */ 0x00,0x00,0x0f,0x00,0x10,0x80,0x10,0x80,0x10,0x80,0x0f,0x00,0x00,0x00,
/* ASCII 112 */ 0x40,0x80,0x7f,0x80,0x51,0x00,0x10,0x80,0x10,0x80,0x0f,0x00,0x00,0x00,
/* ASCII 113 */ 0x00,0x00,0x0f,0x00,0x10,0x80,0x10,0x80,0x51,0x00,0x7f,0x80,0x40,0x80,
/* ASCII 114 */ 0x00,0x00,0x10,0x80,0x1f,0x80,0x11,0x00,0x10,0x80,0x10,0x80,0x00,0x00,
/* ASCII 115 */ 0x00,0x00,0x19,0x00,0x12,0x80,0x12,0x80,0x12,0x80,0x0d,0x80,0x00,0x00,
/* ASCII 116 */ 0x00,0x00,0x00,0x80,0x0f,0xc0,0x10,0x80,0x10,0x80,0x10,0x80,0x08,0x00,
/* ASCII 117 */ 0x00,0x80,0x0f,0x80,0x10,0x00,0x10,0x00,0x08,0x80,0x1f,0x80,0x10,0x00,
/* ASCII 118 */ 0x00,0x80,0x03,0x80,0x0c,0x80,0x10,0x00,0x0c,0x80,0x03,0x80,0x00,0x80,
/* ASCII 119 */ 0x00,0x80,0x0f,0x80,0x10,0x80,0x0e,0x00,0x10,0x80,0x0f,0x80,0x00,0x80,
/* ASCII 120 */ 0x10,0x80,0x19,0x80,0x06,0x00,0x06,0x00,0x19,0x80,0x10,0x80,0x00,0x00,
/* ASCII 121 */ 0x00,0x80,0x41,0x80,0x46,0x80,0x78,0x00,0x4c,0x80,0x03,0x80,0x00,0x80,
/* ASCII 122 */ 0x00,0x00,0x19,0x80,0x14,0x80,0x12,0x80,0x11,0x80,0x18,0x80,0x00,0x00,
/* ASCII 123 */ 0x00,0x00,0x00,0x00,0x04,0x00,0x3b,0xc0,0x40,0x20,0x00,0x00,0x00,0x00,
/* ASCII 124 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0xe0,0x00,0x00,0x00,0x00,0x00,0x00,
/* ASCII 125 */ 0x00,0x00,0x00,0x00,0x40,0x20,0x3b,0xc0,0x04,0x00,0x00,0x00,0x00,0x00,
/* ASCII 126 */ 0x00,0x00,0x04,0x00,0x02,0x00,0x04,0x00,0x04,0x00,0x02,0x00,0x00,0x00};
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : LCD_DataLinesConfig
* Description : Configure data lines D0~D7 (P2.10~P2.17) in Input Floating mode
* for read from LCD or in Output Push-Pull mode for write on LCD
* Input : - Mode: specifies the configuration mode for data lines D0~D7
* - Input: configure in Input Floating mode
* - Output: configure in Output Push-Pul mode
* Output : None
* Return : None
*******************************************************************************/
void LCD_DataLinesConfig(DataConfigMode_TypeDef Mode)
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 |
GPIO_Pin_14 | GPIO_Pin_15 | GPIO_Pin_16 | GPIO_Pin_17;
if (Mode == Input)
{
/* Configure D0~D7 lines (P2.10~2.17) in Input Floating mode */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
}
else
{
/* Configure D0~D7 lines (P2.10~2.17) in Output Push-Pull mode */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
}
GPIO_Init(GPIO2, &GPIO_InitStructure);
}
/*******************************************************************************
* Function Name : LCD_DataLinesWrite
* Description : Write a value on D0~D7 (P2.10~P2.17)
* Input : - GPIOx: GPIO port to write on. It could be
* - PortVal: value to write
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DataLinesWrite(GPIO_TypeDef* GPIOx, u32 PortVal)
{
u32 Tmp = 0;
/* Store the PM register value */
Tmp = GPIO_GetPortMask(GPIOx);
/* Mask the corresponding GPIO pins */
GPIO_PinMaskConfig(GPIOx, LCD_GPIO_Pins, DISABLE);
GPIO_PinMaskConfig(GPIOx, ~LCD_GPIO_Pins, ENABLE);
/* Write in the hole register */
GPIO_Write(GPIOx, (PortVal<<10));
GPIO_PinMaskConfig(GPIOx, ~LCD_GPIO_Pins, DISABLE);
/* Return the initial PM register value */
GPIO_PinMaskConfig(GPIOx, Tmp, ENABLE);
}
/*******************************************************************************
* Function Name : LCD_CtrlLinesConfig
* Description : Configure control lines E2, E1, RW, DI (P2.0~P2.3) in
* Output Push-Pull mode.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_CtrlLinesConfig(void)
{
/* Configure E2, E1, RW, DI lines (P2.0~2.3) in Output Push-Pull mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIO2, &GPIO_InitStructure);
}
/*******************************************************************************
* Function Name : LCD_CtrlLinesWrite
* Description : Set or reset control lines E2, E1, RW, DI (P2.0~P2.3).
* Input : - GPIOx: where x can be 0,1 or 2 to select the GPIO peripheral.
* - CtrlPins: the Control line. This parameter can be:
* - CtrlPin_E2: Enabe clock signal for Slave
* - CtrlPin_E1: Enabe clock signal for Master
* - CtrlPin_RW: Read/Write control line
* - CtrlPin_DI:
* Output : None
* Return : None
*******************************************************************************/
void LCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, u32 CtrlPins, BitAction BitVal)
{
/* Set or Reset the control line */
if(BitVal != Bit_RESET)
{
GPIOx->PD |= CtrlPins;
}
else
{
GPIOx->PD &= ~CtrlPins;
}
}
/*******************************************************************************
* Function Name : LCD_CheckMasterStatus
* Description : Check whether master LCD is busy or not
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_CheckMasterStatus(void)
{
u8 MasterStatus = 0;
/* Configure Data lines as Input */
LCD_DataLinesConfig(Input);
/* Start the master read sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_SET); /* RW = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_RESET); /* DI = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_SET); /* E1 = 1 */
MasterStatus = GPIO_Read(GPIO2);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
/* Wait until BF is cleared: D7 line */
while ((MasterStatus & 0x20000))
{
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_SET); /* E1 = 1 */
MasterStatus = GPIO_Read(GPIO2);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
}
}
/*******************************************************************************
* Function Name : LCD_CheckSlaveStatus
* Description : Check whether slave LCD is busy or not
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_CheckSlaveStatus(void)
{
u8 SlaveStatus = 0;
/* Configure Data lines as Input */
LCD_DataLinesConfig(Input);
/* Start the slave read sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_SET); /* RW = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_RESET); /* DI = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_SET); /* E2 = 1 */
SlaveStatus = GPIO_Read(GPIO2);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
/* Wait until BF is cleared: D7 line */
while ((SlaveStatus & 0x20000))
{
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_SET); /* E2 = 1 */
SlaveStatus = GPIO_Read(GPIO2);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
}
}
/*******************************************************************************
* Function Name : LCD_SendMasterCmd
* Description : Send one byte command to master LCD.
* Input : - Cmd: the user expected command to send to master LCD
* Output : None
* Return : None
*******************************************************************************/
void LCD_SendMasterCmd(u8 Cmd)
{
/* Check the master status */
LCD_CheckMasterStatus();
/* Configure Data lines as Output */
LCD_DataLinesConfig(Output);
/* Start the master send command sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_RESET); /* RW = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_RESET); /* DI = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_SET); /* E1 = 1 */
/* Write master command */
LCD_DataLinesWrite(GPIO2, (u32)Cmd);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
}
/*******************************************************************************
* Function Name : LCD_SendSlaveCmd
* Description : Send one byte command to slave LCD
* Input : - Cmd: the user expected command to send to slave LCD.
* Output : None
* Return : None
*******************************************************************************/
void LCD_SendSlaveCmd(u8 Cmd)
{
/* Check the slave status */
LCD_CheckSlaveStatus();
/* Configure Data lines as Output */
LCD_DataLinesConfig(Output);
/* Start the slave send command sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_RESET); /* RW = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_RESET); /* DI = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_SET); /* E2 = 1 */
/* Write slave command */
LCD_DataLinesWrite(GPIO2, (u32)Cmd);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
}
/*******************************************************************************
* Function Name : LCD_SendMasterData
* Description : Display one byte data to master LCD.
* Input : - Data: the user expected data to display on master LCD.
* Output : None
* Return : None
*******************************************************************************/
void LCD_SendMasterData(u8 Data)
{
/* Check the master status */
LCD_CheckMasterStatus();
/* Configure Data lines as Output */
LCD_DataLinesConfig(Output);
/* Start the master send data sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_RESET); /* RW = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_SET); /* DI = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_SET); /* E1 = 1 */
/* Write data to the master */
LCD_DataLinesWrite(GPIO2, (u32)Data);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
}
/*******************************************************************************
* Function Name : LCD_ReadMasterData
* Description : Read master byte data displayed on master LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
u32 LCD_ReadMasterData(void)
{
u32 MasterData = 0;
/* Check the master status */
LCD_CheckMasterStatus();
/* Configure Data lines as Input */
LCD_DataLinesConfig(Input);
/* Start the master read data sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_SET); /* RW = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_SET); /* DI = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_SET); /* E1 = 1 */
/* Read data from the master */
MasterData = ((GPIO_Read(GPIO2)&0x3FC00)>>10);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E1, Bit_RESET); /* E1 = 0 */
/* Read the master returned data */
return MasterData;
}
/*******************************************************************************
* Function Name : LCD_SendSlaveData
* Description : Display one byte data to slave LCD.
* Input : - Data: the user expected data to display on slave LCD.
* Output : None
* Return : None
*******************************************************************************/
void LCD_SendSlaveData(u8 Data)
{
/* Check the slave status */
LCD_CheckSlaveStatus();
/* Configure Data lines as Output */
LCD_DataLinesConfig(Output);
/* Start the slave send data sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_RESET); /* RW = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_SET); /* DI = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_SET); /* E2 = 1 */
/* Write data to the slave */
LCD_DataLinesWrite(GPIO2, (u32)Data);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
}
/*******************************************************************************
* Function Name : LCD_ReadSlaveData
* Description : Read slave byte data displayed on slave LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
u32 LCD_ReadSlaveData(void)
{
u32 SlaveData = 0;
/* Check the slave status */
LCD_CheckSlaveStatus();
/* Configure Data lines as Input */
LCD_DataLinesConfig(Input);
/* Start the slave read data sequence */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_RW, Bit_SET); /* RW = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_DI, Bit_SET); /* DI = 1 */
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_SET); /* E2 = 1 */
/* Read data from the slave */
SlaveData = ((GPIO_Read(GPIO2)&0x3FC00)>>10);
LCD_CtrlLinesWrite(GPIO2, CtrlPin_E2, Bit_RESET); /* E2 = 0 */
/* Read the slave returned data */
return SlaveData;
}
/*******************************************************************************
* Function Name : LCD_Init
* Description : Initialize master and slave LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_Init(void)
{
/* Enable GPIO Clock */
MRCC_PeripheralClockConfig(MRCC_Peripheral_GPIO, ENABLE);
/* Configure control lines signals as output mode */
LCD_CtrlLinesConfig();
/* Master LCD Init */
LCD_SendMasterCmd(SOFTWARE_RESET);
LCD_SendMasterCmd(DISPLAY_OFF);
LCD_SendMasterCmd(DYNAMIC_DRIVE);
LCD_SendMasterCmd(DUTY_CYCLE);
LCD_SendMasterCmd(CLOCKWISE_OUTPUT);
LCD_SendMasterCmd(READ_MODIFY_WRITE_OFF);
LCD_SendMasterCmd(START_COLUMN); /* Set master column address to 0 */
LCD_SendMasterCmd(START_LINE); /* Set master display start line to 0 */
LCD_SendMasterCmd(DISPLAY_ON );
/* Slave LCD Init */
LCD_SendSlaveCmd(SOFTWARE_RESET);
LCD_SendSlaveCmd(DISPLAY_OFF);
LCD_SendSlaveCmd(DYNAMIC_DRIVE);
LCD_SendSlaveCmd(DUTY_CYCLE);
LCD_SendSlaveCmd(CLOCKWISE_OUTPUT);
LCD_SendSlaveCmd(READ_MODIFY_WRITE_OFF);
LCD_SendSlaveCmd(START_COLUMN ); /* Set slave column address to 0 */
LCD_SendSlaveCmd(START_LINE); /* Set slave display start line to 0 */
LCD_SendSlaveCmd(DISPLAY_ON);
/* Clear LCD */
LCD_Clear();
/* Set current Page to 0 for Master and Slave LCDs */
LCD_SetSlavePage(0);
LCD_SetMasterPage(0);
}
/*******************************************************************************
* Function Name : LCD_SetSlavePage
* Description : Set the display page of slave LCD, the page range is 0 to 3,
* make sure the input will not exceed this range ,otherwise it
* will reach a undecided result.
* Input : - Page: specifies the expected display page of slave LCD
* Output : None
* Return : None
*******************************************************************************/
void LCD_SetSlavePage(u8 Page)
{
/* Set Slave page */
LCD_SendSlaveCmd(0xB8|Page);
}
/*******************************************************************************
* Function Name : LCD_SetMasterPage
* Description : Set the display page of master LCD, the page range is 0 to 3,
* make sure the input will not exceed this range ,otherwise it
* will reach a undecided result.
* Input : - Page: specifies the expected display page of master LCD
* Output : None
* Return : None
*******************************************************************************/
void LCD_SetMasterPage(u8 Page)
{
/* Set Master page */
LCD_SendMasterCmd(0xB8|Page);
}
/*******************************************************************************
* Function Name : SetAddress
* Description : Set the display column of slave LCD. Column range is 0 to 61.
* Input : - Address: specifies the expected display column of slave LCD
* Output : None
* Return : None
*******************************************************************************/
void LCD_SetSlaveColumn(u8 Address)
{
/* Set Slave column address */
LCD_SendSlaveCmd(Address&0x7F);
}
/*******************************************************************************
* Function Name : LCD_SetMasterColumn
* Description : Set the display column of master LCD. Column range is 0 to 61.
* Input : - Address: specifies the expected display column of slave LCD
* Output : None
* Return : None
*******************************************************************************/
void LCD_SetMasterColumn(u8 Address)
{
/* Set Master column address */
LCD_SendMasterCmd(Address&0x7F);
}
/*******************************************************************************
* Function Name : LCD_SetTextColor
* Description : Set the text color for LCD.
* Input : - TextColor: BlackText: character on black, bottom on white.
* WhiteText: character on white, bottom on black.
* Output : None
* Return : None
*******************************************************************************/
void LCD_SetTextColor(TextColorMode_TypeDef TextColor)
{
if(TextColor)
{
/* Set White Text color */
TextMode=WhiteText;
}
else
{
/* Set Black Text color */
TextMode=BlackText;
}
}
/*******************************************************************************
* Function Name : LCD_Clear
* Description : Clear the Master and Slave LCDs display.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_Clear(void)
{
u8 Page = 0, Column = 0;
/* Clear master and slave LCDs page by page */
for (Page=0; Page<4; Page++)
{
/* Set master and slave page by page */
LCD_SetMasterPage(Page);
LCD_SetSlavePage(Page);
/* Set master and slave column address */
LCD_SetMasterColumn(0);
LCD_SetSlaveColumn(0);
/* Send empty data to master and slave column address on the selected page */
for (Column=0; Column<61; Column++)
{
LCD_SendSlaveData(0);
LCD_SendMasterData(0);
}
}
}
/*******************************************************************************
* Function Name : LCD_ClearLine
* Description : Clear the selected line of the LCD.
* Input : - Line: the Line to clear.
* - Line1 (Page0&1): clear the first line
* - Line2 (Page2&3): clear the second line
* Output : None
* Return : None
*******************************************************************************/
void LCD_ClearLine(u8 Line)
{
u8 Page = 0, Column = 0;
/* Clear the slected master and slave line */
for (Page=Line; Page<Line+2; Page++)
{
/* Set master and slave page by page */
LCD_SetMasterPage(Page);
LCD_SetSlavePage(Page);
/* Set master and slave column address */
LCD_SetMasterColumn(0);
LCD_SetSlaveColumn(0);
/* Send empty data to master and slave column address on the selected page */
for (Column=0; Column<61; Column++)
{
LCD_SendSlaveData(0);
LCD_SendMasterData(0);
}
}
}
/*******************************************************************************
* Function Name : LCD_ClearMaster
* Description : Clear the master LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_ClearMaster(void)
{
u8 Page = 0, Column = 0;
/* Clear all master LCD pages */
for (Page=0; Page<4; Page++)
{
/* Set master page by page */
LCD_SetMasterPage(Page);
/* Set master column address */
LCD_SetMasterColumn(0);
/* Send empty data to master column address on the selected page */
for (Column=0; Column<61; Column++)
{
LCD_SendMasterData(0);
}
}
}
/*******************************************************************************
* Function Name : LCD_ClearSlave
* Description : Clear the slave LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_ClearSlave()
{
u8 Page = 0, Column = 0;
/* Clear all slave LCD pages */
for (Page=0; Page<4; Page++)
{
/* Set slave page by page */
LCD_SetSlavePage(Page);
/* Set slave column address */
LCD_SetSlaveColumn(0);
/* Send empty data to slave column address on the selected page */
for (Column=0; Column<61; Column++)
{
LCD_SendSlaveData(0);
}
}
}
/*******************************************************************************
* Function Name : LCD_DrawChar
* Description : Draw a character in LCD.
* Note:
* the LCD can only display two line character,so page 0 and 1
* is to display the first line, page2 and page 3 is to display
* the second line.
* Input : - Line: the Line where to display the character shape .
* - Line1 (Page0&1): display character on the first line
* - Line2 (Page2&3): display character on the second line
* - Column: start column address.
* - Width: the number of column (dots) of a character width.
* - Bmp: the pointer of the dot matrix data.
* Output : None
* Return : None
*******************************************************************************/
void LCD_DrawChar(u8 Line, u8 Column, u8 Width, u8 *Bmp)
{
u8 X = 0, ActualColumn = 0, Window = 0, i = 0;
/* Draw the character column by column: width times */
for(X = Column; X<(Column+Width); X++)
{
if(X > 121)
{
/* Return if column exceeded 121 */
return;
}
if (X > 60)
{
/* To be displayed on slave LCD (Window = 1) */
Window = 1;
/* Get the Slave relative start column */
ActualColumn = X%61;
}
else
{
/* To be displayed on master LCD (Window = 0) */
ActualColumn = X;
}
/* Switch window, display the character upper part */
if (Window)
{
/* Display it on slave LCD */
LCD_SetSlavePage(Line);
LCD_SetSlaveColumn(ActualColumn);
LCD_SendSlaveData(Bmp[i]);
}
else
{
/* Display it on master LCD */
LCD_SetMasterPage(Line);
LCD_SetMasterColumn(ActualColumn);
LCD_SendMasterData(Bmp[i]);
}
/* Switch window, diplay the character lower part */
if (Window)
{
/* Display it on slave LCD */
LCD_SetSlavePage(Line+1);
LCD_SetSlaveColumn(ActualColumn);
LCD_SendSlaveData(Bmp[i+1]);
}
else
{
/* Display it on master LCD */
LCD_SetMasterPage(Line+1);
LCD_SetMasterColumn(ActualColumn);
LCD_SendMasterData(Bmp[i+1]);
}
/* Increment by 2 the character table index */
i+=2;
}
}
/*******************************************************************************
* Function Name : LCD_DisplayChar
* Description : Display one character (7dots large, 16dots high).
* Note:
* the LCD can only display two line character,so page 0 and 1
* is to display the first line, page2 and page 3 is to display
* the second line.
* Input : - Line: the Line where to display the character.
* - Line1 (Page0&1): display character on the first line
* - Line2 (Page2&3): display character on the second line
* - Column: start column address.
* - Ascii: character ascii code.
* - CharMode: BlackText: character on black, bottom on white.
* WhiteText: character on white, bottom on black.
* Output : None
* Return : None
*******************************************************************************/
void LCD_DisplayChar(u8 Line, u8 Column, u8 Ascii, TextColorMode_TypeDef CharMode)
{
u8 DotBuffer[14], i = 0;
/* Display the character lower and upper 8bit parts (2*7columns) */
for (i=0;i<14;i++)
{
/* Character displayed as white Text on black buttom */
if(CharMode)
{
if(i%2==0)
{
DotBuffer[i] = ~AsciiDotsTable[Ascii*14+i+1];
}
else
{
DotBuffer[i] = ~AsciiDotsTable[Ascii*14+i-1];
}
}
/* Character displayed as black Text on white buttom */
else
{
if(i%2==0)
{
DotBuffer[i] = AsciiDotsTable[Ascii*14+i+1];
}
else
{
DotBuffer[i] = AsciiDotsTable[Ascii*14+i-1];
}
}
}
/* Display the asc code after conversion */
LCD_DrawChar(Line, Column, 7, DotBuffer);
}
/*******************************************************************************
* Function Name : LCD_HexToAsciiLow
* Description : This function is used to convert the low nibble of an
* unsigned byte (0-F hex) to ASCII.
* Input : - byte: byte to convert to ASCII.
* Output : None
* Return : ASCII value result of the conversion.
*******************************************************************************/
u8 LCD_HexToAsciiLow(u8 byte)
{
/* Keep lower nibble only */
byte = byte & 0x0F;
/* If the ascii is a number */
if (byte <= 0x09)
{
/* Add 0x30 to its ascii */
return(byte + 0x30);
}
else
{
/* Add 0x37 to its ascii */
return (byte + 0x37);
}
}
/*******************************************************************************
* Function Name : LCD_HexToAsciiHigh
* Description : This function is used to convert the high nibble of an
* unsigned byte (0-F hex) to ASCII.
* Input : - byte: byte to convert to ASCII.
* Output : None
* Return : ASCII value result of the conversion.
*******************************************************************************/
u8 LCD_HexToAsciiHigh(u8 byte)
{
/* Keep upper nibble only */
byte = byte & 0xF0;
byte = byte >> 4;
/* If the ascii is a number */
if (byte <= 0x09)
{
/* Add 0x30 to display its ascii */
return(byte + 0x30);
}
else
{
/* Add 0x37 to display its ascii */
return (byte + 0x37);
}
}
/*******************************************************************************
* Function Name : LCD_DisplayString
* Description : This function is used to display a 17char max string of
* characters on the LCD display on the selected line.
* Note:
* this function is the user interface to use the LCD driver.
* Input : - *ptr: pointer to string to display on LCD.
* - Line: the Line where to display the character.
* - Line1 (Page0&1): display character on the first line
* - Line2 (Page2&3): display character on the second line
* Output : None
* Return : None
*******************************************************************************/
void LCD_DisplayString(u8 Line, u8 *ptr, TextColorMode_TypeDef CharMode)
{
u8 RefColumn = 0, i = 0;
/* Send the string character by character on lCD */
while ((*ptr!=0)&(i<17))
{
/* Display one character on LCD */
LCD_DisplayChar(Line, RefColumn, *ptr, CharMode);
/* Increment the column position by 7 */
RefColumn+=7;
/* Point on the next character */
ptr++;
/* Increment the character counter */
i++;
/* If we reach the maximum Line character */
if(i==17)
{
LCD_DisplayChar(Line, RefColumn-1, 0x1f, CharMode); /* Add missed columns */
}
}
}
/*******************************************************************************
* Function Name : LCD_Printf
* Description : This function is used to display a string of characters
* on the LCD display.
* Note:
* this function is the user interface to use the LCD driver.
* Input : - *ptr: pointer to string to display on LCD.
* Output : None
* Return : None
*******************************************************************************/
void LCD_Printf(u8 *ptr, ...)
{
u8 RefColumn = 0, RefPage = 0, i = 0, c1 = 0;
u16 var = 0, c2 = 0, c3 = 0, c4 = 0, c5 = 0;
u32 WordVar = 0;
/* Store pointer on LCD_Printf second parameter (String) */
u8 *var_ptr=(u8 *)(&ptr+1);
/* Send String */
while (*ptr != 0)
{
c1 = *ptr;
/* Limited to AsciiDotsTable code table */
if(c1 <= 128)
{
/* Carriage return */
if ( *ptr == '\r')
{
ptr++;
RefColumn = 0;
}
/* Jump to Line2 */
else if( *ptr == '\n')
{
/* Point on the string to display */
ptr++;
/* Clear Line2 */
LCD_ClearLine(Line2);
/* Point on first Line2 column */
RefColumn = 0;
/* Increment RefPage by 2 */
RefPage+=2;
}
/* Display value on the passed format */
else if( *ptr == '%')
{
ptr++;
/* Display decimal value */
if (*ptr == 'd')
{
ptr++;
/* Get the word value to display */
WordVar = ((*var_ptr)|(*(var_ptr+1)<<8)|(*(var_ptr+2)<<16));
c1=WordVar/10000;
c2=(WordVar%10000)/1000;
c3=(WordVar%1000)/100;
c4=(WordVar%100)/10;
c5=(WordVar%10);
/* Display the ten miles digit */
if (c1!=0)
{
LCD_DisplayChar(RefPage, RefColumn, c1+0x30, TextMode);
RefColumn+=7;
}
/* Display the miles digit */
if (!((c1==0)&(c2==0)))
{
LCD_DisplayChar(RefPage, RefColumn, c2+0x30, TextMode);
RefColumn+=7;
}
/* Display the hundred digit */
if (!((c1==0)&(c2==0)&(c3==0)))
{
LCD_DisplayChar(RefPage, RefColumn, c3+0x30, TextMode);
RefColumn+=7;
}
/* Display the tens digit */
if (!((c1==0)&(c2==0)&(c3==0)&(c4==0)))
{
LCD_DisplayChar(RefPage, RefColumn, c4+0x30, TextMode);
RefColumn+=7;
}
/* Display the rest */
LCD_DisplayChar(RefPage, RefColumn, c5+0x30, TextMode);
RefColumn+=7;
}
/* Display 16bits Hex value */
else if (*ptr == 'x')
{
ptr++;
/* Display 8bits MSB */
var_ptr = var_ptr +1;
var = *var_ptr;
c1 = LCD_HexToAsciiHigh(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
c1 = LCD_HexToAsciiLow(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
/* Display 8bits LSB */
var_ptr = var_ptr -1;
var = *var_ptr;
var_ptr = var_ptr +4;
c1 = LCD_HexToAsciiHigh(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
c1 = LCD_HexToAsciiLow(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
}
/* Display 32bits Hex value */
else if (*ptr == 'w')
{
ptr++;
/* Display 16bits MSB */
var_ptr = var_ptr +3;
var = *var_ptr;
c1 = LCD_HexToAsciiHigh(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
c1 = LCD_HexToAsciiLow(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
var_ptr = var_ptr -1;
var = *var_ptr;
c1 = LCD_HexToAsciiHigh(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
c1 = LCD_HexToAsciiLow(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
/* Display 16bits LSB */
var_ptr = var_ptr -1;
var = *var_ptr;
var_ptr = var_ptr +4;
c1 = LCD_HexToAsciiHigh(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
c1 = LCD_HexToAsciiLow(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
var_ptr = var_ptr -5;
var = *var_ptr;
var_ptr = var_ptr +4;
c1 = LCD_HexToAsciiHigh(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
c1 = LCD_HexToAsciiLow(var);
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
}
else
{
/* Display '%' character which is followed by (d, x or w) */
ptr--;
c1 = *ptr;
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
ptr++;
i++;
if(i==17)
{
/* Add missed columns */
LCD_DisplayChar(RefPage, RefColumn-1, 0x1f, TextMode);
RefColumn = 0;
RefPage+=2;
}
}
}
else
{
/* Display characters different from (\r, \n, %) */
LCD_DisplayChar(RefPage, RefColumn, c1, TextMode);
RefColumn+=7;
ptr++;
i++;
if(i==17)
{
/* Add missed columns */
LCD_DisplayChar(RefPage, RefColumn-1, 0x1f, TextMode);
LCD_ClearLine(Line2);
RefColumn = 0;
RefPage+=2;
}
}
}
}
/* Display spaces if string doesn't reach the max LCD characters size */
while(RefColumn<119)
{
/* Display Spaces */
LCD_DisplayChar(RefPage, RefColumn, 0x20, TextMode);
RefColumn+=7;
/* Add missed columns */
LCD_DisplayChar(RefPage, RefColumn, 0x1f, TextMode);
}
}
/*******************************************************************************
* Function Name : LCD_DrawMasterGraphic
* Description : Draw a Graphic image on master LCD.
* Input : - Bmp: the pointer of the dot matrix data.
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DrawMasterGraphic(u8 *Bmp)
{
u8 j = 0, k = 0, ActPage = 0;
/* Draw graphic on master: 61 Column *4 Pages */
while(j<244)
{
/* Draw on master page by page */
LCD_SetMasterPage(ActPage);
for(k=0; k<61; k++)
{
LCD_SetMasterColumn(k);
LCD_SendMasterData(*Bmp++);
j++;
}
ActPage++;
}
}
/*******************************************************************************
* Function Name : LCD_DrawSlaveGraphic
* Description : Draw a Graphic image on slave LCD.
* Input : - Bmp: the pointer of the dot matrix data.
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DrawSlaveGraphic(u8 *Bmp)
{
u8 j = 0, k = 0, ActPage = 0;
/* Draw graphic on slave: 61 Column *4 Pages */
while(j<244)
{
/* Draw on slave page by page */
LCD_SetSlavePage(ActPage);
for(k=0; k<61; k++)
{
LCD_SetSlaveColumn(k);
LCD_SendSlaveData(*Bmp++);
j++;
}
ActPage++;
}
}
/*******************************************************************************
* Function Name : LCD_DrawGraphic
* Description : Draw a Graphic image on LCD.
* Input : - Bmp: the pointer of the dot matrix data.
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DrawGraphic(u8 *Bmp)
{
u8 Pos = 0, ActPage = 0;
u16 j = 0, k = 0;
/* Draw graphic on LCD: 122 Column *4 Pages */
while(j<488)
{
if(!Pos)
{
/* Draw on master page by page */
LCD_SetMasterPage(ActPage);
for(k=0; k<61; k++)
{
LCD_SetMasterColumn(k);
LCD_SendMasterData(*Bmp++);
j++;
}
Pos=1;
}
else
{
/* Draw on slave page by page */
LCD_SetSlavePage(ActPage);
for(k=0; k<61; k++)
{
LCD_SetSlaveColumn(k);
LCD_SendSlaveData(*Bmp++);
j++;
}
ActPage++;
Pos=0;
}
}
}
/*******************************************************************************
* Function Name : LCD_ScrollGraphic
* Description : Scroll a Graphic image on LCD.
* Input : - Bmp: the pointer of the dot matrix data.
* - nCount: specifies the delay time length.
* Output : None
* Return : None.
*******************************************************************************/
void LCD_ScrollGraphic(u8 *Bmp, u32 nCount)
{
u8 Pos = 0, ActPage = 0;
u16 j = 0, k = 0;
u32 Counter = 0;
/* Draw graphic on LCD: 122 Column *4 Pages */
while(j<488)
{
if(!Pos)
{
/* Draw on master page by page */
LCD_SetMasterPage(ActPage);
for(k=0; k<61; k++)
{
LCD_SetMasterColumn(k);
LCD_SendMasterData(*Bmp++);
Counter = nCount;
/* Set a delay */
for(; Counter != 0; Counter--);
j++;
}
Pos=1;
}
else
{
/* Draw on slave page by page */
LCD_SetSlavePage(ActPage);
for(k=0; k<61; k++)
{
LCD_SetSlaveColumn(k);
Counter = nCount;
/* Set a delay */
for(; Counter != 0; Counter--);
LCD_SendSlaveData(*Bmp++);
j++;
}
ActPage++;
Pos=0;
}
}
}
/*******************************************************************************
* Function Name : LCD_DrawPixel
* Description : Draw a Graphic image on slave LCD.
* Input : - XPos: the dot line number of the pixel.
* - 1->61 : displayed on master LCD
* - 62->122: displayed on slave LCD
* - YPos: column address of the pixel from 1->32.
* - Mode: Dot_On: Pixel turned on (black).
* Dot_Off: Pixel turned off (black).
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DrawPixel(u8 XPos, u8 YPos, DotMode_TypeDef Mode)
{
u8 Page = 0, Position = 0;
u16 Mask = 0;
u32 MasterDataIn = 0, MasterDataOut = 0, SlaveDataIn = 0, SlaveDataOut = 0;
/* Pixel page */
Page = (XPos-1)/8;
/* Pixel column */
Position = (YPos-1)/61; /* 0:Master, 1:Slave */
/* Mask for the pixel */
Mask= 1<<((XPos-1)%8);
/* If Position=0 draw pixel on master LCD */
if(!Position)
{
LCD_SetMasterPage(Page);
LCD_SetMasterColumn(YPos-1);
MasterDataIn = LCD_ReadMasterData();
MasterDataIn = LCD_ReadMasterData();
LCD_SetMasterColumn(YPos-1);
if(Mode==Dot_On)
{
MasterDataOut = MasterDataIn | Mask;
}
else
{
MasterDataOut = MasterDataIn & (~Mask);
}
LCD_SendMasterData(MasterDataOut);
}
/* If Position=1 draw pixel on slave LCD */
else
{
LCD_SetSlavePage(Page);
LCD_SetSlaveColumn(YPos-62);
SlaveDataIn = LCD_ReadSlaveData();
SlaveDataIn = LCD_ReadSlaveData();
LCD_SetSlaveColumn(YPos-62);
if(Mode==Dot_On)
{
SlaveDataOut = SlaveDataIn | Mask;
}
else
{
SlaveDataOut = SlaveDataIn & (~Mask);
}
LCD_SendSlaveData(SlaveDataOut);
}
}
/*******************************************************************************
* Function Name : LCD_DrawLine
* Description : Draw a line on master and slave LCDs.
* Input : - XPos1: the dot line number of the source point .
* - XPos2: the dot line number of the destination point .
* - YPos1: the dot column number of the source point.
* - YPos2: the dot column number of the destination point.
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DrawLine(u8 XPos1, u8 YPos1, u8 XPos2, u8 YPos2)
{
u8 XPos = 0, YPos = 0;
/* Use XPos1, YPos1, XPos2 and YPos2 */
if((XPos2>=XPos1)&(YPos2>=YPos1))
{
for(XPos=XPos1; XPos<=XPos2; XPos++)
{
for(YPos=YPos1; YPos<=YPos2; YPos++)
{
LCD_DrawPixel(XPos, YPos, Dot_On);
}
}
}
else if((XPos2<XPos1)&(YPos2>=YPos1))
{
for(XPos=XPos2; XPos<=XPos1; XPos++)
{
for(YPos=YPos1; YPos<=YPos2; YPos++)
{
LCD_DrawPixel(XPos, YPos, Dot_On);
}
}
}
else if((XPos2>=XPos1)&(YPos2<YPos1))
{
for(XPos=XPos1; XPos<=XPos2; XPos++)
{
for(YPos=YPos2; YPos<=YPos1; YPos++)
{
LCD_DrawPixel(XPos, YPos, Dot_On);
}
}
}
else /*if((XPos2<XPos1)&(YPos2<YPos1))*/
{
for(XPos=XPos2; XPos<=XPos1; XPos++)
{
for(YPos=YPos2; YPos<=YPos1; YPos++)
{
LCD_DrawPixel(XPos, YPos, Dot_On);
}
}
}
}
/*******************************************************************************
* Function Name : LCD_DrawBox
* Description : Draw a Box on master and slave LCDs.
* Input : - XPos: the dot line number of the source point .
* - YPos: the dot column number of the source point.
* - Dx: Box large.
* - Dy: Box width.
* Output : None
* Return : None.
*******************************************************************************/
void LCD_DrawBox(u8 XPos, u8 YPos, u8 Dx, u8 Dy)
{
/* Use XPos, YPos, Dx and Dy */
LCD_DrawLine(XPos, YPos, XPos, YPos+Dy);
LCD_DrawLine(XPos, YPos, XPos+Dx, YPos);
LCD_DrawLine(XPos+Dx, YPos, XPos+Dx, YPos+Dy);
LCD_DrawLine(XPos, YPos+Dy, XPos+Dx, YPos+Dy);
}
/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE******/