diff options
Diffstat (limited to 'zephyr/emul/emul_smart_battery.c')
| -rw-r--r-- | zephyr/emul/emul_smart_battery.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/zephyr/emul/emul_smart_battery.c b/zephyr/emul/emul_smart_battery.c index 279e08719d..136d81cc35 100644 --- a/zephyr/emul/emul_smart_battery.c +++ b/zephyr/emul/emul_smart_battery.c @@ -586,20 +586,21 @@ static int sbat_emul_handle_read_msg(struct i2c_emul *emul, int reg) /* Handle commands which return block */ ret = sbat_emul_get_block_data(emul, reg, &blk, &len); - if (ret != 0) { - if (ret == 1) { - data->bat.error_code = STATUS_CODE_UNSUPPORTED; - LOG_ERR("Unknown read command (0x%x)", reg); - } - + if (ret < 0) { return -EIO; } + if (ret == 0) { + data->num_to_read = len + 1; + data->msg_buf[0] = len; + memcpy(&data->msg_buf[1], blk, len); + data->bat.error_code = STATUS_CODE_OK; + sbat_emul_append_pec(data, reg); - data->num_to_read = len + 1; - data->msg_buf[0] = len; - memcpy(&data->msg_buf[1], blk, len); - data->bat.error_code = STATUS_CODE_OK; - sbat_emul_append_pec(data, reg); + return 0; + } + + /* Command is unknown. Wait for custom handler before failing. */ + data->num_to_read = 0; return 0; } @@ -740,6 +741,13 @@ static int sbat_emul_read_byte(struct i2c_emul *emul, int reg, uint8_t *val, data = SBAT_DATA_FROM_I2C_EMUL(emul); + if (data->num_to_read == 0) { + data->bat.error_code = STATUS_CODE_UNSUPPORTED; + LOG_ERR("Unknown read command (0x%x)", reg); + + return -EIO; + } + if (bytes < data->num_to_read) { *val = data->msg_buf[bytes]; } |