ejung/bsvg_on_ledmatrix
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display init function

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This commit is contained in:
Eggert Jung
2021-08-13 07:23:48 +02:00
parent 32a71e956f
commit 56a58fca79
3 changed files with 31 additions and 29 deletions
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30
main/display.c
View File

@@ -30,8 +30,36 @@ void clock(){
gpio_set_level(GPIO_CLK, 0);
}
void display_init(){
gpio_config_t io_conf;
//disable interrupt
io_conf.intr_type = GPIO_INTR_DISABLE;
//set as output mode
io_conf.mode = GPIO_MODE_OUTPUT;
//bit mask of the pins that you want to set,e.g.GPIO18/19
io_conf.pin_bit_mask =
(1ULL<<GPIO_LAT)|(1ULL<<GPIO_OE)|(1ULL<<GPIO_CLK)
|(1ULL<<GPIO_R1)|(1ULL<<GPIO_G1)|(1ULL<<GPIO_B1)|(1ULL<<GPIO_R2)|(1ULL<<GPIO_G2)|(1ULL<<GPIO_B2)
|(1ULL<<GPIO_A)|(1ULL<<GPIO_B)|(1ULL<<GPIO_C)|(1ULL<<GPIO_D)|(1ULL<<GPIO_E);
//disable pull-down mode
io_conf.pull_down_en = 0;
//disable pull-up mode
io_conf.pull_up_en = 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
gpio_set_level(GPIO_OE, 0);
write_bits(0,0,0,0,0,0);
for(uint8_t i=0;i<128;i++){
clock();
}
latch();
gpio_set_level(GPIO_OE, 1);
gpio_set_level(GPIO_OE, 0);
}
void display_cycle(){
printf("test");
static uint8_t line = 0;
for(uint8_t i=0;i<128;i++){

1
main/display.h
View File

@@ -30,6 +30,7 @@ void write_bits(uint8_t r1, uint8_t g1, uint8_t b1, uint8_t r2, uint8_t g2, uint
void write_address(uint8_t addr);
void latch(void);
void clock(void);
void display_init(void);
void display_cycle(void);
#endif

29
main/main.c
View File

@@ -30,36 +30,9 @@
void app_main(void)
{
printf("Hello world!\n");
display_init();
put_line(fb, 2, "429 Amalienplatz", 1, 1);
gpio_config_t io_conf;
//disable interrupt
io_conf.intr_type = GPIO_INTR_DISABLE;
//set as output mode
io_conf.mode = GPIO_MODE_OUTPUT;
//bit mask of the pins that you want to set,e.g.GPIO18/19
io_conf.pin_bit_mask =
(1ULL<<GPIO_LAT)|(1ULL<<GPIO_OE)|(1ULL<<GPIO_CLK)
|(1ULL<<GPIO_R1)|(1ULL<<GPIO_G1)|(1ULL<<GPIO_B1)|(1ULL<<GPIO_R2)|(1ULL<<GPIO_G2)|(1ULL<<GPIO_B2)
|(1ULL<<GPIO_A)|(1ULL<<GPIO_B)|(1ULL<<GPIO_C)|(1ULL<<GPIO_D)|(1ULL<<GPIO_E);
//disable pull-down mode
io_conf.pull_down_en = 0;
//disable pull-up mode
io_conf.pull_up_en = 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
gpio_set_level(GPIO_OE, 0);
write_bits(1,0,0,1,0,0);
for(uint8_t i=0;i<128;i++){
clock();
}
latch();
gpio_set_level(GPIO_OE, 1);
gpio_set_level(GPIO_OE, 0);
for (;;) {
display_cycle();
}