/********************************************************************* * * Hardware configuration * ********************************************************************** Needs to be adapted to your target hardware. */ // Configuration example: /* #define LCD_CLR_A0() P7 &= ~(1<<1) #define LCD_SET_A0() P7 |= (1<<1) #define LCD_CLR_RESET() P7 &= ~(1<<2) #define LCD_SET_RESET() P7 |= (1<<2) #define LCD_CLR_CLK() P7 &= ~(1<<3) #define LCD_SET_CLK() P7 |= (1<<3) #define LCD_CLR_DATA() P7 &= ~(1<<4) #define LCD_SET_DATA() P7 |= (1<<4) #define LCD_SET_DIR_OUT() P7D = 0xff #define LCD_CLR_CS() P7 &= ~(1<<0) // Optional #define LCD_SET_CS() P7 |= (1<<0) // Optional #define LCD_CLR_CS1() P7 &= ~(1<<5) // Optional (only for mult. controllers) #define LCD_SET_CS1() P7 |= (1<<5) // Optional (only for mult. controllers) #define LCD_DELAY(ms) GUI_Delay(ms) // Optional */ |
void LCD_X_Init(void) { LCD_CLR_RESET(); LCD_SET_DIR_OUT(); LCD_SET_CS(); #ifdef LCD_SET_CS1 LCD_SET_CS1(); #endif LCD_SET_A0(); LCD_SET_RESET(); LCD_SET_CLK(); LCD_SET_DATA(); LCD_DELAY(20); LCD_SET_RESET(); LCD_DELAY(20); } |
/********************************************************************* * * Send1 routine * ********************************************************************** Usually, there is no need to modify this routine. It should be sufficient ot modify the low-level macros above or in a configuration file. */ /* Write 1 byte, MSB first */ static void Send1(unsigned char Data) { if ((Data >> 7) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 6) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 5) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 4) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 3) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 2) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 1) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); if ((Data >> 0) & 1) LCD_SET_DATA(); else LCD_CLR_DATA(); LCD_CLR_CLK(); LCD_SET_CLK(); } |