uart_dev_s::<anonymous union>::<anonymous struct>::txfifo_cnt

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uint32_t txfifo_cnt: 8; /*(tx_mem_cnt txfifo_cnt) stores the byte number of valid data in transmitter's fifo.tx_mem_cnt stores the 3 most significant bits txfifo_cnt stores the 8 least significant bits.*/

uart_struct.h:148

return UART_LL_FIFO_DEF_LEN - HAL_FORCE_READ_U32_REG_FIELD(hw->status, txfifo_cnt);

uart_ll.h:428

uart_ll_get_txfifo_len()

return ((HAL_FORCE_READ_U32_REG_FIELD(status, txfifo_cnt) == 0) && (status.st_utx_out == 0));

uart_ll.h:899

uart_ll_is_tx_idle()

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uart_dev_s::::::txfifo_cnt is read by 2 functions:

uart_dev_s::::::txfifo_cnt

uart_ll_get_txfifo_len()

uart_ll_is_tx_idle()

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uart_dev_s::::::txfifo_cnt field

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