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Add some more USART related bit definitions.

This commit is contained in:
Uwe Hermann 2009-07-25 03:09:36 +02:00
parent c26541c4c5
commit 712261bb52
2 changed files with 21 additions and 4 deletions
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5
include/libopenstm32/gpio.h
View File

@ -52,6 +52,11 @@
#define GPIO15 (1 << 15)
#define GPIO_ALL 0xffff
/* GPIO pins with alternate functions */
#define GPIO_USART_TX GPIO10
#define GPIO_USART_RX GPIO11
/* TODO */
/* --- GPIO registers ------------------------------------------------------ */
/* Port configuration register low (GPIOx_CRL) */

20
include/libopenstm32/usart.h
View File

@ -127,6 +127,11 @@
#define CR1_RWU (1 << 1)
#define CR1_SBK (1 << 0)
/* CR1_PCE / CR1_PS combined values */
#define PARITY_NONE 0x00
#define PARITY_ODD 0x02
#define PARITY_EVEN 0x03
/* --- USART_CR2 values ---------------------------------------------------- */
#define CR2_LINEN (1 << 14) /* LIN mode enable */
@ -139,10 +144,11 @@
#define CR2_LBDL (1 << 5) /* LIN break det. length */
/* USART_CR2[3:0]: ADD */
#define CR2_STOPBITS_1 0x00 /* 1 stop bit */
#define CR2_STOPBITS_0_5 0x01 /* 0.5 stop bits */
#define CR2_STOPBITS_2 0x02 /* 2 stop bits */
#define CR2_STOPBITS_1_5 0x03 /* 1.5 stop bits */
/* STOP values */
#define STOPBITS_1 0x00 /* 1 stop bit */
#define STOPBITS_0_5 0x01 /* 0.5 stop bits */
#define STOPBITS_2 0x02 /* 2 stop bits */
#define STOPBITS_1_5 0x03 /* 1.5 stop bits */
/* --- USART_CR3 values ---------------------------------------------------- */
@ -158,6 +164,12 @@
#define CR3_IREN (1 << 1) /* IrDA mode enable */
#define CR3_EIE (1 << 0) /* Error interrupt enable */
/* CR3_CTSE/CR3_RTSE combined values */
#define FLOWCONTROL_NONE 0x00
#define FLOWCONTROL_RTS 0x01
#define FLOWCONTROL_CTS 0x02
#define FLOWCONTROL_RTS_CTS 0x03
/* --- USART_GTPR values --------------------------------------------------- */
/* USART_GTPR[15:8]: GT[7:0]: Guard time value */ /* N/A on UART4/5 */