PIC12F1822 >> Assembly
0.91" OLED 128x32 SSD1306(顯示字串)
參考資訊:
1. SSD1306
2. Adafruit_SSD1306
main.s
list p=12f1822, r=hex #include <p12f1822.inc> __config _CONFIG1, _FOSC_INTOSC & _WDTE_OFF & _MCLRE_OFF __config _CONFIG2, _LVP_OFF #define i2c_cnt 0x70 #define i2c_dat 0x71 #define i2c_var 0x72 #define lcd_t1 0x73 #define lcd_t2 0x74 #define delay_t1 0x75 #define delay_t2 0x76 #define ssd_page 0x77 #define ssd_col 0x78 #define get_ascii_v1 0x79 #define show_ascii_v1 0x7a #define led 0x00 #define i2c_scl 0x01 #define i2c_sda 0x02 #define i2c_addr 0x78 #define lcd_width 0x80 #define lcd_height 0x20 #define cmd_contrast 0x81 #define cmd_disp_resume 0xa4 #define cmd_normal_disp 0xa6 #define cmd_invert_disp 0xa7 #define cmd_disp_off 0xae #define cmd_disp_on 0xaf #define cmd_disp_offset 0xd3 #define cmd_com_pins 0xda #define cmd_vcom_detect 0xdb #define cmd_clock_div 0xd5 #define cmd_pre_charge 0xd9 #define cmd_multiplex 0xa8 #define cmd_start_line 0x40 #define cmd_memory_mode 0x20 #define cmd_column_addr 0x21 #define cmd_page_addr 0x22 #define cmd_scan_dec 0xc8 #define cmd_seg_remap 0xa1 #define cmd_charge_pump 0x8d org 0x0000 goto start org 0x0100 start: banksel OSCCON movlw b'11110010' movwf OSCCON banksel ANSELA clrf ANSELA banksel LATA movlw 0xff movwf LATA banksel TRISA bcf TRISA, led bcf TRISA, i2c_scl bcf TRISA, i2c_sda banksel LATA movlw 0xff movwf LATA loop: call ssd1306_init call ssd1306_clear movlw d'30' call ssd1306_set_col_addr movlw 1 call ssd1306_set_page_addr ;PIC12F1822 movlw d'26' call ssd1306_show_ascii movlw d'19' call ssd1306_show_ascii movlw d'13' call ssd1306_show_ascii movlw d'1' call ssd1306_show_ascii movlw d'2' call ssd1306_show_ascii movlw d'16' call ssd1306_show_ascii movlw d'1' call ssd1306_show_ascii movlw d'8' call ssd1306_show_ascii movlw d'2' call ssd1306_show_ascii movlw d'2' call ssd1306_show_ascii movlw d'38' call ssd1306_set_col_addr movlw 2 call ssd1306_set_page_addr ;STEWARD movlw d'29' call ssd1306_show_ascii movlw d'30' call ssd1306_show_ascii movlw d'15' call ssd1306_show_ascii movlw d'33' call ssd1306_show_ascii movlw d'11' call ssd1306_show_ascii movlw d'28' call ssd1306_show_ascii movlw d'14' call ssd1306_show_ascii idle: banksel LATA bcf LATA, led call delay1s banksel LATA bsf LATA, led call delay1s goto idle delay1s: banksel delay_t1 movlw 0xff movwf delay_t2 movwf delay_t1 decfsz delay_t1, f goto $-1 decfsz delay_t2, f goto $-3 return delay: banksel delay_t1 movlw 0x40 movwf delay_t1 decfsz delay_t1, f goto $-1 return i2c_start: banksel LATA bsf LATA, i2c_sda bsf LATA, i2c_scl call delay banksel LATA bcf LATA, i2c_sda call delay banksel LATA bcf LATA, i2c_scl return i2c_stop: call delay banksel LATA bcf LATA, i2c_sda call delay banksel LATA bsf LATA, i2c_scl call delay banksel LATA bsf LATA, i2c_sda return i2c_write: banksel i2c_dat movwf i2c_dat movlw 0x08 movwf i2c_cnt i0: banksel i2c_dat rlf i2c_dat, f banksel LATA btfss STATUS, C bcf LATA, i2c_sda btfsc STATUS, C bsf LATA, i2c_sda call delay banksel LATA bsf LATA, i2c_scl call delay banksel LATA bcf LATA, i2c_scl decfsz i2c_cnt, f goto i0 call delay banksel LATA bsf LATA, i2c_sda call delay banksel LATA bsf LATA, i2c_scl call delay banksel LATA bcf LATA, i2c_scl return send_cmd: banksel i2c_var movwf i2c_var call i2c_start movlw i2c_addr call i2c_write movlw 0x00 call i2c_write banksel i2c_var movf i2c_var, w call i2c_write call i2c_stop return send_dat: banksel i2c_var movwf i2c_var call i2c_start movlw i2c_addr call i2c_write movlw 0x40 call i2c_write banksel i2c_var movf i2c_var, w call i2c_write call i2c_stop return ssd1306_init: movlw cmd_disp_off call send_cmd movlw cmd_clock_div call send_cmd movlw 0x80 call send_cmd movlw cmd_multiplex call send_cmd movlw 0x1f call send_cmd movlw cmd_disp_offset call send_cmd movlw 0x00 call send_cmd movlw cmd_start_line call send_cmd movlw cmd_charge_pump call send_cmd movlw 0x14 call send_cmd movlw cmd_memory_mode call send_cmd movlw 0x00 call send_cmd movlw cmd_seg_remap call send_cmd movlw cmd_scan_dec call send_cmd movlw cmd_com_pins call send_cmd movlw 0x02 call send_cmd movlw cmd_contrast call send_cmd movlw 0x8f call send_cmd movlw cmd_pre_charge call send_cmd movlw 0xf1 call send_cmd movlw cmd_vcom_detect call send_cmd movlw 0x40 call send_cmd movlw cmd_disp_resume call send_cmd movlw cmd_normal_disp call send_cmd movlw cmd_disp_on call send_cmd return ssd1306_set_col_addr: banksel ssd_col movwf ssd_col movlw cmd_column_addr call send_cmd banksel ssd_col movf ssd_col, w call send_cmd movlw (lcd_width-1) call send_cmd return ssd1306_set_page_addr: banksel ssd_page movwf ssd_page movlw cmd_page_addr call send_cmd banksel ssd_page movf ssd_page, w call send_cmd movlw ((lcd_height/8)-1) call send_cmd return ssd1306_clear: clrw call ssd1306_set_col_addr clrw call ssd1306_set_page_addr call i2c_start movlw i2c_addr call i2c_write movlw 0x40 call i2c_write banksel lcd_t1 movlw 0x08 movwf lcd_t1 s0: movlw 0x40 movwf lcd_t2 s1: clrw call i2c_write banksel lcd_t2 decfsz lcd_t2, f goto s1 decfsz lcd_t1, f goto s0 call i2c_stop return ssd1306_show_ascii: banksel show_ascii_v1 movwf show_ascii_v1 clrw mul0: addlw 5 decfsz show_ascii_v1, f goto mul0 movwf show_ascii_v1 call i2c_start movlw i2c_addr call i2c_write movlw 0x40 call i2c_write banksel show_ascii_v1 movf show_ascii_v1, w call get_ascii call i2c_write banksel show_ascii_v1 movf show_ascii_v1, w addlw 1 call get_ascii call i2c_write banksel show_ascii_v1 movf show_ascii_v1, w addlw 2 call get_ascii call i2c_write banksel show_ascii_v1 movf show_ascii_v1, w addlw 3 call get_ascii call i2c_write banksel show_ascii_v1 movf show_ascii_v1, w addlw 4 call get_ascii call i2c_write clrw call i2c_write call i2c_stop return get_ascii: addlw LOW(ascii_5x8) movwf get_ascii_v1 movlw HIGH(ascii_5x8) btfsc STATUS, C addlw 1 movwf PCLATH movfw get_ascii_v1 movwf PCL ascii_5x8: retlw b'00111110' ; 30 ..*****. retlw b'01010001' ; 30 .*.*...* retlw b'01001001' ; 30 .*..*..* retlw b'01000101' ; 30 .*...*.* retlw b'00111110' ; 30 ..*****. retlw b'00000000' ; 31 ........ retlw b'01000010' ; 31 .*....*. retlw b'01111111' ; 31 .******* retlw b'01000000' ; 31 .*...... retlw b'00000000' ; 31 ........ retlw b'01000010' ; 32 .*....*. retlw b'01100001' ; 32 .**....* retlw b'01010001' ; 32 .*.*...* retlw b'01001001' ; 32 .*..*..* retlw b'01000110' ; 32 .*...**. retlw b'00100001' ; 33 ..*....* retlw b'01000001' ; 33 .*.....* retlw b'01000101' ; 33 .*...*.* retlw b'01001011' ; 33 .*..*.** retlw b'00110001' ; 33 ..**...* retlw b'00011000' ; 34 ...**... retlw b'00010100' ; 34 ...*.*.. retlw b'00010010' ; 34 ...*..*. retlw b'01111111' ; 34 .******* retlw b'00010000' ; 34 ...*.... retlw b'00100111' ; 35 ..*..*** retlw b'01000101' ; 35 .*...*.* retlw b'01000101' ; 35 .*...*.* retlw b'01000101' ; 35 .*...*.* retlw b'00111001' ; 35 ..***..* retlw b'00111100' ; 36 ..****.. retlw b'01001010' ; 36 .*..*.*. retlw b'01001001' ; 36 .*..*..* retlw b'01001001' ; 36 .*..*..* retlw b'00110000' ; 36 ..**.... retlw b'00000001' ; 37 .......* retlw b'01110001' ; 37 .***...* retlw b'00001001' ; 37 ....*..* retlw b'00000101' ; 37 .....*.* retlw b'00000011' ; 37 ......** retlw b'00110110' ; 38 ..**.**. retlw b'01001001' ; 38 .*..*..* retlw b'01001001' ; 38 .*..*..* retlw b'01001001' ; 38 .*..*..* retlw b'00110110' ; 38 ..**.**. retlw b'00000110' ; 39 .....**. retlw b'01001001' ; 39 .*..*..* retlw b'01001001' ; 39 .*..*..* retlw b'00101001' ; 39 ..*.*..* retlw b'00011110' ; 39 ...****. retlw b'00000000' ; 20 ........ retlw b'00000000' ; 20 ........ retlw b'00000000' ; 20 ........ retlw b'00000000' ; 20 ........ retlw b'00000000' ; 20 ........ retlw b'01111110' ; 41 .******. retlw b'00010001' ; 41 ...*...* retlw b'00010001' ; 41 ...*...* retlw b'00010001' ; 41 ...*...* retlw b'01111110' ; 41 .******. retlw b'01111111' ; 42 .******* retlw b'01001001' ; 42 .*..*..* retlw b'01001001' ; 42 .*..*..* retlw b'01001001' ; 42 .*..*..* retlw b'00110110' ; 42 ..**.**. retlw b'00111110' ; 43 ..*****. retlw b'01000001' ; 43 .*.....* retlw b'01000001' ; 43 .*.....* retlw b'01000001' ; 43 .*.....* retlw b'00100010' ; 43 ..*...*. retlw b'01111111' ; 44 .******* retlw b'01000001' ; 44 .*.....* retlw b'01000001' ; 44 .*.....* retlw b'00100010' ; 44 ..*...*. retlw b'00011100' ; 44 ...***.. retlw b'01111111' ; 45 .******* retlw b'01001001' ; 45 .*..*..* retlw b'01001001' ; 45 .*..*..* retlw b'01001001' ; 45 .*..*..* retlw b'01000001' ; 45 .*.....* retlw b'01111111' ; 46 .******* retlw b'00001001' ; 46 ....*..* retlw b'00001001' ; 46 ....*..* retlw b'00000001' ; 46 .......* retlw b'00000001' ; 46 .......* retlw b'00111110' ; 47 ..*****. retlw b'01000001' ; 47 .*.....* retlw b'01000001' ; 47 .*.....* retlw b'01010001' ; 47 .*.*...* retlw b'00110010' ; 47 ..**..*. retlw b'01111111' ; 48 .******* retlw b'00001000' ; 48 ....*... retlw b'00001000' ; 48 ....*... retlw b'00001000' ; 48 ....*... retlw b'01111111' ; 48 .******* retlw b'00000000' ; 49 ........ retlw b'01000001' ; 49 .*.....* retlw b'01111111' ; 49 .******* retlw b'01000001' ; 49 .*.....* retlw b'00000000' ; 49 ........ retlw b'00100000' ; 4a ..*..... retlw b'01000000' ; 4a .*...... retlw b'01000001' ; 4a .*.....* retlw b'00111111' ; 4a ..****** retlw b'00000001' ; 4a .......* retlw b'01111111' ; 4b .******* retlw b'00001000' ; 4b ....*... retlw b'00010100' ; 4b ...*.*.. retlw b'00100010' ; 4b ..*...*. retlw b'01000001' ; 4b .*.....* retlw b'01111111' ; 4c .******* retlw b'01000000' ; 4c .*...... retlw b'01000000' ; 4c .*...... retlw b'01000000' ; 4c .*...... retlw b'01000000' ; 4c .*...... retlw b'01111111' ; 4d .******* retlw b'00000010' ; 4d ......*. retlw b'00000100' ; 4d .....*.. retlw b'00000010' ; 4d ......*. retlw b'01111111' ; 4d .******* retlw b'01111111' ; 4e .******* retlw b'00000100' ; 4e .....*.. retlw b'00001000' ; 4e ....*... retlw b'00010000' ; 4e ...*.... retlw b'01111111' ; 4e .******* retlw b'00111110' ; 4f ..*****. retlw b'01000001' ; 4f .*.....* retlw b'01000001' ; 4f .*.....* retlw b'01000001' ; 4f .*.....* retlw b'00111110' ; 4f ..*****. retlw b'01111111' ; 50 .******* retlw b'00001001' ; 50 ....*..* retlw b'00001001' ; 50 ....*..* retlw b'00001001' ; 50 ....*..* retlw b'00000110' ; 50 .....**. retlw b'00111110' ; 51 ..*****. retlw b'01000001' ; 51 .*.....* retlw b'01010001' ; 51 .*.*...* retlw b'00100001' ; 51 ..*....* retlw b'01011110' ; 51 .*.****. retlw b'01111111' ; 52 .******* retlw b'00001001' ; 52 ....*..* retlw b'00011001' ; 52 ...**..* retlw b'00101001' ; 52 ..*.*..* retlw b'01000110' ; 52 .*...**. retlw b'01000110' ; 53 .*...**. retlw b'01001001' ; 53 .*..*..* retlw b'01001001' ; 53 .*..*..* retlw b'01001001' ; 53 .*..*..* retlw b'00110001' ; 53 ..**...* retlw b'00000001' ; 54 .......* retlw b'00000001' ; 54 .......* retlw b'01111111' ; 54 .******* retlw b'00000001' ; 54 .......* retlw b'00000001' ; 54 .......* retlw b'00111111' ; 55 ..****** retlw b'01000000' ; 55 .*...... retlw b'01000000' ; 55 .*...... retlw b'01000000' ; 55 .*...... retlw b'00111111' ; 55 ..****** retlw b'00011111' ; 56 ...***** retlw b'00100000' ; 56 ..*..... retlw b'01000000' ; 56 .*...... retlw b'00100000' ; 56 ..*..... retlw b'00011111' ; 56 ...***** retlw b'01111111' ; 57 .******* retlw b'00100000' ; 57 ..*..... retlw b'00011000' ; 57 ...**... retlw b'00100000' ; 57 ..*..... retlw b'01111111' ; 57 .******* retlw b'01100011' ; 58 .**...** retlw b'00010100' ; 58 ...*.*.. retlw b'00001000' ; 58 ....*... retlw b'00010100' ; 58 ...*.*.. retlw b'01100011' ; 58 .**...** retlw b'00000011' ; 59 ......** retlw b'00000100' ; 59 .....*.. retlw b'01111000' ; 59 .****... retlw b'00000100' ; 59 .....*.. retlw b'00000011' ; 59 ......** retlw b'01100001' ; 5a .**....* retlw b'01010001' ; 5a .*.*...* retlw b'01001001' ; 5a .*..*..* retlw b'01000101' ; 5a .*...*.* retlw b'01000011' ; 5a .*....** retlw b'00100000' ; 61 ..*..... retlw b'01010100' ; 61 .*.*.*.. retlw b'01010100' ; 61 .*.*.*.. retlw b'01010100' ; 61 .*.*.*.. retlw b'01111000' ; 61 .****... retlw b'01111111' ; 62 .******* retlw b'01001000' ; 62 .*..*... retlw b'01000100' ; 62 .*...*.. retlw b'01000100' ; 62 .*...*.. retlw b'00111000' ; 62 ..***... retlw b'00111000' ; 63 ..***... retlw b'01000100' ; 63 .*...*.. retlw b'01000100' ; 63 .*...*.. retlw b'01000100' ; 63 .*...*.. retlw b'00100000' ; 63 ..*..... retlw b'00111000' ; 64 ..***... retlw b'01000100' ; 64 .*...*.. retlw b'01000100' ; 64 .*...*.. retlw b'01001000' ; 64 .*..*... retlw b'01111111' ; 64 .******* retlw b'00111000' ; 65 ..***... retlw b'01010100' ; 65 .*.*.*.. retlw b'01010100' ; 65 .*.*.*.. retlw b'01010100' ; 65 .*.*.*.. retlw b'00011000' ; 65 ...**... retlw b'00001000' ; 66 ....*... retlw b'01111110' ; 66 .******. retlw b'00001001' ; 66 ....*..* retlw b'00000001' ; 66 .......* retlw b'00000010' ; 66 ......*. retlw b'00001000' ; 67 ....*... retlw b'00010100' ; 67 ...*.*.. retlw b'01010100' ; 67 .*.*.*.. retlw b'01010100' ; 67 .*.*.*.. retlw b'00111100' ; 67 ..****.. retlw b'01111111' ; 68 .******* retlw b'00001000' ; 68 ....*... retlw b'00000100' ; 68 .....*.. retlw b'00000100' ; 68 .....*.. retlw b'01111000' ; 68 .****... retlw b'00000000' ; 69 ........ retlw b'01000100' ; 69 .*...*.. retlw b'01111101' ; 69 .*****.* retlw b'01000000' ; 69 .*...... retlw b'00000000' ; 69 ........ retlw b'00100000' ; 6a ..*..... retlw b'01000000' ; 6a .*...... retlw b'01000100' ; 6a .*...*.. retlw b'00111101' ; 6a ..****.* retlw b'00000000' ; 6a ........ retlw b'00000000' ; 6b ........ retlw b'01111111' ; 6b .******* retlw b'00010000' ; 6b ...*.... retlw b'00101000' ; 6b ..*.*... retlw b'01000100' ; 6b .*...*.. retlw b'00000000' ; 6c ........ retlw b'01000001' ; 6c .*.....* retlw b'01111111' ; 6c .******* retlw b'01000000' ; 6c .*...... retlw b'00000000' ; 6c ........ retlw b'01111100' ; 6d .*****.. retlw b'00000100' ; 6d .....*.. retlw b'00011000' ; 6d ...**... retlw b'00000100' ; 6d .....*.. retlw b'01111000' ; 6d .****... retlw b'01111100' ; 6e .*****.. retlw b'00001000' ; 6e ....*... retlw b'00000100' ; 6e .....*.. retlw b'00000100' ; 6e .....*.. retlw b'01111000' ; 6e .****... retlw b'00111000' ; 6f ..***... retlw b'01000100' ; 6f .*...*.. retlw b'01000100' ; 6f .*...*.. retlw b'01000100' ; 6f .*...*.. retlw b'00111000' ; 6f ..***... retlw b'01111100' ; 70 .*****.. retlw b'00010100' ; 70 ...*.*.. retlw b'00010100' ; 70 ...*.*.. retlw b'00010100' ; 70 ...*.*.. retlw b'00001000' ; 70 ....*... retlw b'00001000' ; 71 ....*... retlw b'00010100' ; 71 ...*.*.. retlw b'00010100' ; 71 ...*.*.. retlw b'00011000' ; 71 ...**... retlw b'01111100' ; 71 .*****.. retlw b'01111100' ; 72 .*****.. retlw b'00001000' ; 72 ....*... retlw b'00000100' ; 72 .....*.. retlw b'00000100' ; 72 .....*.. retlw b'00001000' ; 72 ....*... retlw b'01001000' ; 73 .*..*... retlw b'01010100' ; 73 .*.*.*.. retlw b'01010100' ; 73 .*.*.*.. retlw b'01010100' ; 73 .*.*.*.. retlw b'00100000' ; 73 ..*..... retlw b'00000100' ; 74 .....*.. retlw b'00111111' ; 74 ..****** retlw b'01000100' ; 74 .*...*.. retlw b'01000000' ; 74 .*...... retlw b'00100000' ; 74 ..*..... retlw b'00111100' ; 75 ..****.. retlw b'01000000' ; 75 .*...... retlw b'01000000' ; 75 .*...... retlw b'00100000' ; 75 ..*..... retlw b'01111100' ; 75 .*****.. retlw b'00011100' ; 76 ...***.. retlw b'00100000' ; 76 ..*..... retlw b'01000000' ; 76 .*...... retlw b'00100000' ; 76 ..*..... retlw b'00011100' ; 76 ...***.. retlw b'00111100' ; 77 ..****.. retlw b'01000000' ; 77 .*...... retlw b'00110000' ; 77 ..**.... retlw b'01000000' ; 77 .*...... retlw b'00111100' ; 77 ..****.. retlw b'01000100' ; 78 .*...*.. retlw b'00101000' ; 78 ..*.*... retlw b'00010000' ; 78 ...*.... retlw b'00101000' ; 78 ..*.*... retlw b'01000100' ; 78 .*...*.. retlw b'00001100' ; 79 ....**.. retlw b'01010000' ; 79 .*.*.... retlw b'01010000' ; 79 .*.*.... retlw b'01010000' ; 79 .*.*.... retlw b'00111100' ; 79 ..****.. retlw b'01000100' ; 7a .*...*.. retlw b'01100100' ; 7a .**..*.. retlw b'01010100' ; 7a .*.*.*.. retlw b'01001100' ; 7a .*..**.. retlw b'01000100' ; 7a .*...*.. end
編譯
$ gpasm main.s
完成