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fix(i2c_master): Add doc for internal pull-ups

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Cao Sen Miao
2023-08-15 17:14:56 +08:00
parent 6a89925501
commit 0f8e60368c
2 changed files with 2 additions and 2 deletions
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2
components/driver/i2c/i2c_private.h
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@@ -91,7 +91,7 @@ struct i2c_bus_t {
uint32_t clk_src_freq_hz; // Record the clock source frequency uint32_t clk_src_freq_hz; // Record the clock source frequency
int sda_num; // SDA pin number int sda_num; // SDA pin number
int scl_num; // SCL pin number int scl_num; // SCL pin number
bool pull_up_enable; // Disable pull-ups bool pull_up_enable; // Enable pull-ups
intr_handle_t intr_handle; // I2C interrupt handle intr_handle_t intr_handle; // I2C interrupt handle
esp_pm_lock_handle_t pm_lock; // power manange lock esp_pm_lock_handle_t pm_lock; // power manange lock
#if CONFIG_PM_ENABLE #if CONFIG_PM_ENABLE

2
components/driver/i2c/include/driver/i2c_master.h
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@@ -27,7 +27,7 @@ typedef struct {
int intr_priority; /*!< I2C interrupt priority, if set to 0, driver will select the default priority (1,2,3). */ int intr_priority; /*!< I2C interrupt priority, if set to 0, driver will select the default priority (1,2,3). */
size_t trans_queue_depth; /*!< Depth of internal transfer queue, increase this value can support more transfers pending in the background, only valid in asynchronous transaction. (Typically max_device_num * per_transaction)*/ size_t trans_queue_depth; /*!< Depth of internal transfer queue, increase this value can support more transfers pending in the background, only valid in asynchronous transaction. (Typically max_device_num * per_transaction)*/
struct { struct {
uint32_t enable_internal_pullup:1; /*!< Enable internal pullups */ uint32_t enable_internal_pullup:1; /*!< Enable internal pullups. Note: This is not strong enough to pullup buses under high-speed frequency. Recommend proper external pull-up if possible */
} flags; } flags;
} i2c_master_bus_config_t; } i2c_master_bus_config_t;