diff options
Diffstat (limited to 'main')
| -rw-r--r-- | main/main.c | 158 |
1 files changed, 157 insertions, 1 deletions
diff --git a/main/main.c b/main/main.c index d42f8ba..c44352c 100644 --- a/main/main.c +++ b/main/main.c @@ -1,6 +1,162 @@ #include <stdio.h> +#include <unistd.h> +#include "driver/gpio.h" + +struct Nixie +{ + uint8_t digit; + uint8_t D; + uint8_t C; + uint8_t B; + uint8_t A; +}; + +struct Nixie screen[4]; + +#define N0_P0 CONFIG_N0_P0 +#define N0_P1 CONFIG_N0_P1 +#define N0_P2 CONFIG_N0_P2 +#define N0_P3 CONFIG_N0_P3 +#define N1_P0 CONFIG_N1_P0 +#define N1_P1 CONFIG_N1_P1 +#define N1_P2 CONFIG_N1_P2 +#define N1_P3 CONFIG_N1_P3 +#define N2_P0 CONFIG_N2_P0 +#define N2_P1 CONFIG_N2_P1 +#define N2_P2 CONFIG_N2_P2 +#define N2_P3 CONFIG_N2_P3 +#define N3_P0 CONFIG_N3_P0 +#define N3_P1 CONFIG_N3_P1 +#define N3_P2 CONFIG_N3_P2 +#define N3_P3 CONFIG_N3_P3 +#define GPIO_OUTPUT_PIN_SEL ((1ULL<<N0_P0) | (1ULL<<N0_P1) | (1ULL<<N0_P2) | (1ULL<<N0_P3) | (1ULL<<N1_P0) | (1ULL<<N1_P1) | (1ULL<<N1_P2) | (1ULL<<N1_P3) | (1ULL<<N2_P0) | (1ULL<<N2_P1) | (1ULL<<N2_P2) | (1ULL<<N2_P3) | (1ULL<<N3_P0) | (1ULL<<N3_P1) | (1ULL<<N3_P2) | (1ULL<<N3_P3)) +/* + * Let's say, GPIO_OUTPUT_IO_0=18, GPIO_OUTPUT_IO_1=19 + * In binary representation, + * 1ULL<<GPIO_OUTPUT_IO_0 is equal to 0000000000000000000001000000000000000000 and + * 1ULL<<GPIO_OUTPUT_IO_1 is equal to 0000000000000000000010000000000000000000 + * GPIO_OUTPUT_PIN_SEL 0000000000000000000011000000000000000000 + * */ + +void configure_screen(void) +{ + //zero-initialize the config structure. + 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 = GPIO_OUTPUT_PIN_SEL; + //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); + + screen[0].digit = 0; + screen[0].C = N0_P0; + screen[0].B = N0_P1; + screen[0].D = N0_P2; + screen[0].A = N0_P3; + screen[1].digit = 0; + screen[1].C = N1_P0; + screen[1].B = N1_P1; + screen[1].D = N1_P2; + screen[1].A = N1_P3; + screen[2].digit = 0; + screen[2].C = N2_P0; + screen[2].B = N2_P1; + screen[2].D = N2_P2; + screen[2].A = N2_P3; + screen[3].digit = 0; + screen[3].C = N3_P0; + screen[3].B = N3_P1; + screen[3].D = N3_P2; + screen[3].A = N3_P3; + return; +} + +void set_digit(struct Nixie* n) +{ + switch (n->digit) { + case 0: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 0); + gpio_set_level(n->B, 0); + gpio_set_level(n->A, 0); + break; + case 1: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 0); + gpio_set_level(n->B, 0); + gpio_set_level(n->A, 1); + break; + case 2: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 0); + gpio_set_level(n->B, 1); + gpio_set_level(n->A, 0); + break; + case 3: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 0); + gpio_set_level(n->B, 1); + gpio_set_level(n->A, 1); + break; + case 4: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 1); + gpio_set_level(n->B, 0); + gpio_set_level(n->A, 0); + break; + case 5: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 1); + gpio_set_level(n->B, 0); + gpio_set_level(n->A, 1); + break; + case 6: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 1); + gpio_set_level(n->B, 1); + gpio_set_level(n->A, 0); + break; + case 7: + gpio_set_level(n->D, 0); + gpio_set_level(n->C, 1); + gpio_set_level(n->B, 1); + gpio_set_level(n->A, 1); + break; + case 8: + gpio_set_level(n->D, 1); + gpio_set_level(n->C, 0); + gpio_set_level(n->B, 0); + gpio_set_level(n->A, 0); + break; + case 9: + gpio_set_level(n->D, 1); + gpio_set_level(n->C, 0); + gpio_set_level(n->B, 0); + gpio_set_level(n->A, 1); + break; + default: + break; + return; + } +} void app_main(void) { - printf("Hey!\n"); + printf("N1_P3: %i\n", N1_P3); + configure_screen(); + while(1){ + for (uint8_t i = 0; i <= 9; ++i) { + printf("digit: %i\n", i); + screen[0].digit = i; // Update the digit + set_digit(&screen[0]); // Call set_digit function + sleep(1); // Sleep for 2 seconds + } + } } |