Smart tab5keyboard (#533)

Platforms/platform-esp32/include/tactility/drivers/esp32_i2c_master.h

@@ -2,6 +2,8 @@
 #pragma once
 
 #include <tactility/drivers/gpio.h>
+#include <tactility/device.h>
+#include <driver/i2c_types.h>
 #include <driver/i2c_master.h>
 
 #ifdef __cplusplus
@@ -18,8 +20,18 @@ struct Esp32I2cMasterConfig {
     struct GpioPinSpec pinScl;
 };
 
+/**
+ * Returns the i2c_master_bus_handle_t for an esp32_i2c_master Device.
+ * The device must be started. Returns NULL if the device has no driver data.
+ */
 i2c_master_bus_handle_t esp32_i2c_master_get_bus_handle(struct Device* device);
 
+/**
+ * Returns the SCL clock frequency (Hz) configured for an esp32_i2c_master Device.
+ * Reads directly from the device tree config, so the device does not need to be started.
+ */
+uint32_t esp32_i2c_master_get_clock_frequency(struct Device* device);
+
 #ifdef __cplusplus
 }
 #endif

Platforms/platform-esp32/include/tactility/drivers/esp32_sdmmc.h

@@ -3,6 +3,7 @@
 #include <soc/soc_caps.h>
 #if SOC_SDMMC_HOST_SUPPORTED
 
+#include <driver/sdmmc_default_configs.h>
 #include <sd_protocol_types.h>
 #include <stdbool.h>
 #include <stdint.h>
@@ -26,6 +27,8 @@ struct Esp32SdmmcConfig {
     struct GpioPinSpec pin_cd;
     struct GpioPinSpec pin_wp;
     uint8_t bus_width;
+    int32_t slot;
+    int32_t max_freq_khz;
     bool wp_active_high;
     bool enable_uhs;
     bool pullups;