125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
#include "ssd1289_lld.h"
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#ifdef LCD_USE_SSD1289
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extern uint16_t DeviceCode;
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extern uint16_t lcd_width, lcd_height;
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__inline void lcdWriteIndex(uint16_t index) {
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Clr_RS;
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Set_RD;
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palWritePort(LCD_DATA_PORT, index);
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Clr_WR;
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Set_WR;
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}
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__inline void lcdWriteData(uint16_t data) {
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Set_RS;
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palWritePort(LCD_DATA_PORT, data);
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Clr_WR;
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Set_WR;
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}
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__inline void lcdWriteReg(uint16_t lcdReg,uint16_t lcdRegValue) {
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Clr_CS;
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lcdWriteIndex(lcdReg);
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lcdWriteData(lcdRegValue);
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Set_CS;
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}
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__inline uint16_t lcdReadData(void) {
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uint16_t value;
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Set_RS;
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Set_WR;
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Clr_RD;
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// change pin mode to digital input
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LCD_DATA_PORT->CRH = 0x44444444;
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LCD_DATA_PORT->CRL = 0x44444444;
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value = palReadPort(LCD_DATA_PORT); // dummy
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value = palReadPort(LCD_DATA_PORT);
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// change pin mode back to digital output
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LCD_DATA_PORT->CRH = 0x33333333;
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LCD_DATA_PORT->CRL = 0x33333333;
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Set_RD;
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return value;
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}
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__inline uint16_t lcdReadReg(uint16_t lcdReg) {
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uint16_t lcdRAM;
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Clr_CS;
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lcdWriteIndex(lcdReg);
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lcdRAM = lcdReadData();
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Set_CS;
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return lcdRAM;
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}
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void lld_lcdInit(void) {
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DeviceCode = lcdReadReg(0x0000);
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lcdWriteReg(0x0000,0x0001); lcdDelay(5);
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lcdWriteReg(0x0003,0xA8A4); lcdDelay(5);
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lcdWriteReg(0x000C,0x0000); lcdDelay(5);
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lcdWriteReg(0x000D,0x080C); lcdDelay(5);
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lcdWriteReg(0x000E,0x2B00); lcdDelay(5);
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lcdWriteReg(0x001E,0x00B0); lcdDelay(5);
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lcdWriteReg(0x0001,0x2B3F); lcdDelay(5);
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lcdWriteReg(0x0002,0x0600); lcdDelay(5);
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lcdWriteReg(0x0010,0x0000); lcdDelay(5);
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lcdWriteReg(0x0011,0x6070); lcdDelay(5);
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lcdWriteReg(0x0005,0x0000); lcdDelay(5);
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lcdWriteReg(0x0006,0x0000); lcdDelay(5);
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lcdWriteReg(0x0016,0xEF1C); lcdDelay(5);
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lcdWriteReg(0x0017,0x0003); lcdDelay(5);
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lcdWriteReg(0x0007,0x0133); lcdDelay(5);
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lcdWriteReg(0x000B,0x0000); lcdDelay(5);
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lcdWriteReg(0x000F,0x0000); lcdDelay(5);
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lcdWriteReg(0x0041,0x0000); lcdDelay(5);
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lcdWriteReg(0x0042,0x0000); lcdDelay(5);
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lcdWriteReg(0x0048,0x0000); lcdDelay(5);
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lcdWriteReg(0x0049,0x013F); lcdDelay(5);
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lcdWriteReg(0x004A,0x0000); lcdDelay(5);
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lcdWriteReg(0x004B,0x0000); lcdDelay(5);
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lcdWriteReg(0x0044,0xEF00); lcdDelay(5);
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lcdWriteReg(0x0045,0x0000); lcdDelay(5);
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lcdWriteReg(0x0046,0x013F); lcdDelay(5);
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lcdWriteReg(0x0030,0x0707); lcdDelay(5);
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lcdWriteReg(0x0031,0x0204); lcdDelay(5);
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lcdWriteReg(0x0032,0x0204); lcdDelay(5);
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lcdWriteReg(0x0033,0x0502); lcdDelay(5);
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lcdWriteReg(0x0034,0x0507); lcdDelay(5);
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lcdWriteReg(0x0035,0x0204); lcdDelay(5);
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lcdWriteReg(0x0036,0x0204); lcdDelay(5);
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lcdWriteReg(0x0037,0x0502); lcdDelay(5);
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lcdWriteReg(0x003A,0x0302); lcdDelay(5);
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lcdWriteReg(0x003B,0x0302); lcdDelay(5);
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lcdWriteReg(0x0023,0x0000); lcdDelay(5);
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lcdWriteReg(0x0024,0x0000); lcdDelay(5);
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lcdWriteReg(0x0025,0x8000); lcdDelay(5);
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lcdWriteReg(0x004f,0); lcdDelay(5);
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lcdWriteReg(0x004e,0); lcdDelay(5);
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}
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uint16_t lld_lcdGetHeight(void) {
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return lcd_height;
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}
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uint16_t lld_lcdGetWidth(void) {
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return lcd_width;
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}
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#endif
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