giomba/ceda2vga
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Rename vga_sync to vga_hsync, because that's all that it does.

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This commit is contained in:
giomba 2022-10-12 20:30:29 +02:00
parent 0f31cfb22d
commit 074ba919d7
2 changed files with 6 additions and 6 deletions
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8
src/main.c
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@ -53,9 +53,9 @@ static void vga_pixel_program_init(PIO pio, uint sm, uint offset)
pio_sm_set_enabled(pio, sm, true); pio_sm_set_enabled(pio, sm, true);
} }
static void vga_sync_program_init(PIO pio, uint sm, uint offset) static void vga_hsync_program_init(PIO pio, uint sm, uint offset)
{ {
pio_sm_config config = vga_sync_program_get_default_config(offset); pio_sm_config config = vga_hsync_program_get_default_config(offset);
// destination pins for SET instructions // destination pins for SET instructions
sm_config_set_set_pins(&config, 20, 2); sm_config_set_set_pins(&config, 20, 2);
pio_gpio_init(pio, 20); pio_gpio_init(pio, 20);
@ -99,10 +99,10 @@ int main()
vga_pixel_program_init(pio, sm0, offset0); vga_pixel_program_init(pio, sm0, offset0);
// VGA sync program // VGA sync program
uint offset1 = pio_add_program(pio, &vga_sync_program); uint offset1 = pio_add_program(pio, &vga_hsync_program);
uint sm1 = pio_claim_unused_sm(pio, true); uint sm1 = pio_claim_unused_sm(pio, true);
printf("Starting VGA sync machine on %u...\n", sm1); printf("Starting VGA sync machine on %u...\n", sm1);
vga_sync_program_init(pio, sm1, offset1); vga_hsync_program_init(pio, sm1, offset1);
printf("Feeding horizontal sync...\n"); printf("Feeding horizontal sync...\n");
pio_sm_put_blocking(pio, sm1, 63 * 4); pio_sm_put_blocking(pio, sm1, 63 * 4);
pio_sm_put_blocking(pio, sm1, 775 * 4); pio_sm_put_blocking(pio, sm1, 775 * 4);

4
src/vga.pio
View File

@ -6,9 +6,9 @@ loop:
out pins, 1 [2] out pins, 1 [2]
jmp loop jmp loop
.program vga_sync .program vga_hsync
entrypoint_vga_sync: entrypoint_vga_hsync:
pull pull
mov isr, osr mov isr, osr
pull pull