Merge pull request #597 from nicogrx/upstreamable_work
uart: add ability to configure byte length
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commit
ace502a533
2 changed files with 17 additions and 0 deletions
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@ -160,4 +160,14 @@ static inline UART_Parity uart_get_parity(int uart_num) {
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return (UART_Parity)((UART(uart_num).CONF0 & UART_CONF0_PARITY) != 0);
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return (UART_Parity)((UART(uart_num).CONF0 & UART_CONF0_PARITY) != 0);
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}
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}
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/* Set uart data bits length to the desired value */
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static inline void uart_set_byte_length(int uart_num, UART_ByteLength byte_length) {
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UART(uart_num).CONF0 = SET_FIELD(UART(uart_num).CONF0, UART_CONF0_BYTE_LEN, byte_length);
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}
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/* Returns the current data bits length for the UART */
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static inline UART_ByteLength uart_get_byte_length(int uart_num) {
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return (UART_ByteLength)(FIELD2VAL(UART_CONF0_BYTE_LEN, UART(uart_num).CONF0));
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}
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#endif /* _ESP_UART_H */
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#endif /* _ESP_UART_H */
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@ -62,6 +62,13 @@ typedef enum {
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UART_PARITY_ODD = 0b1
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UART_PARITY_ODD = 0b1
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} UART_Parity;
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} UART_Parity;
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typedef enum {
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UART_BYTELENGTH_5 = 0b00,
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UART_BYTELENGTH_6 = 0b01,
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UART_BYTELENGTH_7 = 0b10,
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UART_BYTELENGTH_8 = 0b11,
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} UART_ByteLength;
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/* Details for FIFO register */
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/* Details for FIFO register */
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#define UART_FIFO_DATA_M 0x000000ff
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#define UART_FIFO_DATA_M 0x000000ff
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