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i2c: optimize space allocated for read or write buffers

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Only a single command will be allocated now when a read or write is
prepared in the command list. The size of a command's buffer is not
limited to 255 bytes anymore.
This commit is contained in:
Omar Chebib
2021-05-11 11:14:43 +08:00
parent e1f388f114
commit cfcbca1271
7 changed files with 68 additions and 71 deletions
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2
components/hal/esp32s2/include/hal/i2c_ll.h
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@@ -25,7 +25,7 @@ extern "C" {
#define I2C_LL_INTR_MASK (0x1ffff) /*!< I2C all interrupt bitmap */
/**
* @brief I2C hardware cmd register filed.
* @brief I2C hardware cmd register fields.
*/
typedef union {
struct {