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Merge branch 'bugfix/fix_i2c_master_write_bug' into 'master'

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i2c: application can now call `i2c_master_write` for sending a single byte

Closes IDF-3518 和 IDFCI-741

See merge request espressif/esp-idf!14273
This commit is contained in:
morris 2021-07-08 06:32:39 +00:00
commit 90f05c42b2
1 changed files with 6 additions and 0 deletions
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6
components/driver/i2c.c
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@ -1147,6 +1147,12 @@ esp_err_t i2c_master_write(i2c_cmd_handle_t cmd_handle, const uint8_t *data, siz
I2C_CHECK((data != NULL), I2C_ADDR_ERROR_STR, ESP_ERR_INVALID_ARG);
I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG);
if (data_len == 1) {
/* If data_len if 1, i2c_master_write_byte should have been called,
* correct this here. */
return i2c_master_write_byte(cmd_handle, *data, ack_en);
}
i2c_cmd_t cmd = {
.hw_cmd = {
.ack_en = ack_en,