59 lines
881 B
C
59 lines
881 B
C
#include "ssd1289_lld.h"
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#ifdef LCD_USE_SSD1289
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extern uint16_t lcd_width, lcd_height;
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void lld_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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void lld_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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uint16_t lld_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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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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