33 lines
774 B
C
33 lines
774 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include "driver/i2c.h"
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#include "embedded_display.c"
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#include "esp_log.h"
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#include "i2c.c"
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#define PCA_9555_TAG "PCA9555"
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// Register of command byte
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#define PCA95555_CMD_INPUT_PORT_0 0x00
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#define PCA95555_CMD_INPUT_PORT_1 0x01
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#define PCA95555_CMD_OUTPUT_PORT_0 0x02
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#define PCA95555_CMD_OUTPUT_PORT_1 0x03
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#define PCA95555_CMD_POLARITY_INVERSION_PORT_0 0x04
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#define PCA95555_CMD_POLARITY_INVERSION_PORT_1 0x05
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#define PCA95555_CMD_CONFIGURATION_PORT_0 0x06
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#define PCA95555_CMD_CONFIGURATION_PORT_1 0x07
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void pca9555_init() {
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if (is_pca9555_online == 0) {
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ESP_LOGE(PCA_9555_TAG, "salve offline");
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return;
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}
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ESP_LOGI(PCA_9555_TAG, "Initializing PCA9555");
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// esp_log_level_set(PCA_9555_TAG, ESP_LOG_ERROR);
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}
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