blackbeard420/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf synced 2025-03-10 09:39:10 -04:00
Code Issues Projects Releases Wiki Activity

Access ESP32-S3 I2C FIFO using 32bits

Browse Source 
I2C FIFO on ESP32-S3 (and others) MUST be read/written 32bits at a time.
This commit is contained in:
me-no-dev 2021-05-12 20:12:23 +03:00
parent 7986c970b6
commit 0d0e2851f3
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
components/hal/esp32s3/include/hal/i2c_ll.h
View File

@ -571,7 +571,7 @@ static inline void i2c_ll_get_scl_timing(i2c_dev_t *hw, int *high_period, int *l
static inline void i2c_ll_write_txfifo(i2c_dev_t *hw, uint8_t *ptr, uint8_t len)
{
for (int i = 0; i< len; i++) {
hw->fifo_data.data = ptr[i];
hw->fifo_data.val = ptr[i];
}
}
@ -587,7 +587,7 @@ static inline void i2c_ll_write_txfifo(i2c_dev_t *hw, uint8_t *ptr, uint8_t len)
static inline void i2c_ll_read_rxfifo(i2c_dev_t *hw, uint8_t *ptr, uint8_t len)
{
for(int i = 0; i < len; i++) {
ptr[i] = hw->fifo_data.data;
ptr[i] = hw->fifo_data.val;
}
}