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driver(i2c, rmt):Add intr_flag setting to ESP_INTR_FLAG_IRAM support when enable psram.

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This commit is contained in:
kooho
2018-05-02 15:27:41 +08:00
parent 7a6e367cd9
commit f6f9f93a9d
4 changed files with 127 additions and 2 deletions
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10
components/driver/include/driver/i2c.h
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@@ -113,6 +113,10 @@ typedef void* i2c_cmd_handle_t; /*!< I2C command handle */
* Only slave mode will use this value, driver will ignore this value in master mode.
* @param intr_alloc_flags Flags used to allocate the interrupt. One or multiple (ORred)
* ESP_INTR_FLAG_* values. See esp_intr_alloc.h for more info.
* @note
* In master mode, if the cache is likely to be disabled(such as write flash) and the slave is time-sensitive,
* `ESP_INTR_FLAG_IRAM` is suggested to be used. In this case, please use the memory allocated from internal RAM in i2c read and write function,
* because we can not access the psram(if psram is enabled) in interrupt handle function when cache is disabled.
*
* @return
* - ESP_OK Success
@@ -272,6 +276,8 @@ esp_err_t i2c_master_write_byte(i2c_cmd_handle_t cmd_handle, uint8_t data, bool
*
* @param cmd_handle I2C cmd link
* @param data data to send
* @note
* If the psram is enabled and intr_flag is `ESP_INTR_FLAG_IRAM`, please use the memory allocated from internal RAM.
* @param data_len data length
* @param ack_en enable ack check for master
*
@@ -289,6 +295,8 @@ esp_err_t i2c_master_write(i2c_cmd_handle_t cmd_handle, uint8_t* data, size_t da
*
* @param cmd_handle I2C cmd link
* @param data pointer accept the data byte
* @note
* If the psram is enabled and intr_flag is `ESP_INTR_FLAG_IRAM`, please use the memory allocated from internal RAM.
* @param ack ack value for read command
*
* @return
@@ -305,6 +313,8 @@ esp_err_t i2c_master_read_byte(i2c_cmd_handle_t cmd_handle, uint8_t* data, i2c_a
*
* @param cmd_handle I2C cmd link
* @param data data buffer to accept the data from bus
* @note
* If the psram is enabled and intr_flag is `ESP_INTR_FLAG_IRAM`, please use the memory allocated from internal RAM.
* @param data_len read data length
* @param ack ack value for read command
*