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UART: Add ability to configure stopbits and parity bit (#590)

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tkremeyer 2018-03-13 14:31:19 +01:00 • committed by Ruslan V. Uss
parent f296f4d91e
commit 5c18d42c8d
4 changed files with 148 additions and 1 deletions
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14
core/include/esp/uart_regs.h
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@ -50,6 +50,18 @@ struct UART_REGS {
_Static_assert(sizeof(struct UART_REGS) == 0x80, "UART_REGS is the wrong size");
typedef enum {
UART_STOPBITS_0 = 0b00,
UART_STOPBITS_1 = 0b01,
UART_STOPBITS_1_5 = 0b10,
UART_STOPBITS_2 = 0b11
} UART_StopBits;
typedef enum {
UART_PARITY_EVEN = 0b0,
UART_PARITY_ODD = 0b1
} UART_Parity;
/* Details for FIFO register */
#define UART_FIFO_DATA_M 0x000000ff
@ -153,7 +165,7 @@ _Static_assert(sizeof(struct UART_REGS) == 0x80, "UART_REGS is the wrong size");
#define UART_CONF0_BYTE_LEN_M 0x00000003
#define UART_CONF0_BYTE_LEN_S 2
#define UART_CONF0_PARITY_ENABLE BIT(1)
#define UART_CONF0_PARITY BIT(0) //FIXME: does this indicate odd or even?
#define UART_CONF0_PARITY BIT(0) //where 0 means even
/* Details for CONF1 register */