Squish code in ST7920
This commit is contained in:
Scott Lahteine
parent
b4076883cc
commit
a7684eef7a
@ -43,11 +43,11 @@
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//set optimization so ARDUINO optimizes this file
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#pragma GCC optimize (3)
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#define DELAY_0_NOP ;
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#define DELAY_1_NOP __asm__("nop\n\t");
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#define DELAY_2_NOP __asm__("nop\n\t" "nop\n\t");
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#define DELAY_3_NOP __asm__("nop\n\t" "nop\n\t" "nop\n\t");
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#define DELAY_4_NOP __asm__("nop\n\t" "nop\n\t" "nop\n\t" "nop\n\t");
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#define DELAY_0_NOP NOOP
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#define DELAY_1_NOP __asm__("nop\n\t")
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#define DELAY_2_NOP __asm__("nop\n\t" "nop\n\t")
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#define DELAY_3_NOP __asm__("nop\n\t" "nop\n\t" "nop\n\t")
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#define DELAY_4_NOP __asm__("nop\n\t" "nop\n\t" "nop\n\t" "nop\n\t")
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// If you want you can define your own set of delays in Configuration.h
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@ -56,121 +56,54 @@
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//#define ST7920_DELAY_3 DELAY_0_NOP
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#if F_CPU >= 20000000
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#ifndef ST7920_DELAY_1
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#define ST7920_DELAY_1 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_2
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#define ST7920_DELAY_2 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_3
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#define ST7920_DELAY_3 DELAY_1_NOP
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#endif
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#define CPU_ST7920_DELAY_1 DELAY_0_NOP
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#define CPU_ST7920_DELAY_2 DELAY_0_NOP
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#define CPU_ST7920_DELAY_3 DELAY_1_NOP
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#elif (MOTHERBOARD == BOARD_3DRAG) || (MOTHERBOARD == BOARD_K8200)
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#ifndef ST7920_DELAY_1
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#define ST7920_DELAY_1 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_2
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#define ST7920_DELAY_2 DELAY_3_NOP
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#endif
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#ifndef ST7920_DELAY_3
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#define ST7920_DELAY_3 DELAY_0_NOP
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#endif
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#define CPU_ST7920_DELAY_1 DELAY_0_NOP
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#define CPU_ST7920_DELAY_2 DELAY_3_NOP
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#define CPU_ST7920_DELAY_3 DELAY_0_NOP
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#elif (MOTHERBOARD == BOARD_MINIRAMBO)
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#ifndef ST7920_DELAY_1
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#define ST7920_DELAY_1 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_2
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#define ST7920_DELAY_2 DELAY_4_NOP
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#endif
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#ifndef ST7920_DELAY_3
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#define ST7920_DELAY_3 DELAY_0_NOP
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#endif
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#define CPU_ST7920_DELAY_1 DELAY_0_NOP
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#define CPU_ST7920_DELAY_2 DELAY_4_NOP
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#define CPU_ST7920_DELAY_3 DELAY_0_NOP
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#elif (MOTHERBOARD == BOARD_RAMBO)
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#ifndef ST7920_DELAY_1
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#define ST7920_DELAY_1 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_2
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#define ST7920_DELAY_2 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_3
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#define ST7920_DELAY_3 DELAY_0_NOP
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#endif
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#define CPU_ST7920_DELAY_1 DELAY_0_NOP
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#define CPU_ST7920_DELAY_2 DELAY_0_NOP
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#define CPU_ST7920_DELAY_3 DELAY_0_NOP
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#elif F_CPU == 16000000
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#ifndef ST7920_DELAY_1
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#define ST7920_DELAY_1 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_2
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#define ST7920_DELAY_2 DELAY_0_NOP
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#endif
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#ifndef ST7920_DELAY_3
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#define ST7920_DELAY_3 DELAY_1_NOP
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#endif
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#define CPU_ST7920_DELAY_1 DELAY_0_NOP
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#define CPU_ST7920_DELAY_2 DELAY_0_NOP
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#define CPU_ST7920_DELAY_3 DELAY_1_NOP
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#else
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#error "No valid condition for delays in 'ultralcd_st7920_u8glib_rrd.h'"
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#endif
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#ifndef ST7920_DELAY_1
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#define ST7920_DELAY_1 CPU_ST7920_DELAY_1
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#endif
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#ifndef ST7920_DELAY_2
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#define ST7920_DELAY_2 CPU_ST7920_DELAY_2
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#endif
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#ifndef ST7920_DELAY_3
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#define ST7920_DELAY_3 CPU_ST7920_DELAY_3
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#endif
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#define ST7920_SND_BIT \
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WRITE(ST7920_CLK_PIN, LOW); ST7920_DELAY_1; \
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WRITE(ST7920_DAT_PIN, val & 0x80); ST7920_DELAY_2; \
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WRITE(ST7920_CLK_PIN, HIGH); ST7920_DELAY_3; \
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val <<= 1
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static void ST7920_SWSPI_SND_8BIT(uint8_t val) {
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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val<<=1;
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ST7920_DELAY_3
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WRITE(ST7920_CLK_PIN,0);
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ST7920_DELAY_1
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WRITE(ST7920_DAT_PIN,val&0x80);
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ST7920_DELAY_2
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WRITE(ST7920_CLK_PIN,1);
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ST7920_SND_BIT; // 1
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ST7920_SND_BIT; // 2
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ST7920_SND_BIT; // 3
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ST7920_SND_BIT; // 4
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ST7920_SND_BIT; // 5
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ST7920_SND_BIT; // 6
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ST7920_SND_BIT; // 7
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ST7920_SND_BIT; // 8
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}
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#define ST7920_CS() {WRITE(ST7920_CS_PIN,1);u8g_10MicroDelay();}
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