8000 hardware/display/U8G2: add back missing SPI init · programmer131/esp32-snippets@6caf622 · GitHub
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hardware/display/U8G2: add back missing SPI init
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‎hardware/displays/U8G2/u8g2_esp32_hal.c

Lines changed: 18 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -53,7 +53,24 @@ uint8_t u8g2_esp32_msg_comms_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void
5353
//ESP_LOGI(tag, "... Initializing bus.");
5454
ESP_ERROR_CHECK(spi_bus_initialize(HSPI_HOST, &bus_config, 1));
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56-
break;
56+
spi_device_interface_config_t dev_config;
57+
dev_config.address_bits = 0;
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dev_config.command_bits = 0;
59+
dev_config.dummy_bits = 0;
60+
dev_config.mode = 0;
61+
dev_config.duty_cycle_pos = 0;
62+
dev_config.cs_ena_posttrans = 0;
63+
dev_config.cs_ena_pretrans = 0;
64+
dev_config.clock_speed_hz = 10000;
65+
dev_config.spics_io_num = u8g2_esp32_hal.cs;
66+
dev_config.flags = 0;
67+
dev_config.queue_size = 200;
68+
dev_config.pre_cb = NULL;
69+
dev_config.post_cb = NULL;
70+
//ESP_LOGI(tag, "... Adding device bus.");
71+
ESP_ERROR_CHECK(spi_bus_add_device(HSPI_HOST, &dev_config, &handle));
72+
73+
break;
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}
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5976
case U8X8_MSG_BYTE_SEND: {

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