usart.h File Reference
#include <libopencm3/cm3/common.h>
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Macros | |
| #define | USART0_BASE 0x4000C000 |
| #define | USART1_BASE 0x4000D000 |
| #define | USART2_BASE 0x4000E000 |
| #define | USART_DR(x) MMIO32((x) + 0x0000) |
| #define | USART_IR(x) MMIO32((x) + 0x0004) |
| #define | USART_FR(x) MMIO32((x) + 0x0018) |
| #define | USART_ILPR(x) MMIO32((x) + 0x0020) |
| #define | USART_IBRD(x) MMIO32((x) + 0x0024) |
| #define | USART_FBRD(x) MMIO32((x) + 0x0028) |
| #define | USART_LCRH(x) MMIO32((x) + 0x002c) |
| #define | USART_CTL(x) MMIO32((x) + 0x0030) |
| #define | USART_IFLS(x) MMIO32((x) + 0x0034) |
| #define | USART_IM(x) MMIO32((x) + 0x0038) |
| #define | USART_RIS(x) MMIO32((x) + 0x003c) |
| #define | USART_MIS(x) MMIO32((x) + 0x0040) |
| #define | USART_IC(x) MMIO32((x) + 0x0044) |
| #define | USART_DR_OE (0x01 << 11) |
| #define | USART_DR_BE (0x01 << 10) |
| #define | USART_DR_PE (0x01 << 9) |
| #define | USART_DR_FE (0x01 << 8) |
| #define | USART_FR_TXFE (0x01 << 7) |
| #define | USART_FR_RXFF (0x01 << 6) |
| #define | USART_FR_TXFF (0x01 << 5) |
| #define | USART_FR_RXFE (0x01 << 4) |
| #define | USART_FR_BUSY (0x01 << 3) |
| #define | USART_IM_OE (0x01 << 10) |
| #define | USART_IM_BE (0x01 << 9) |
| #define | USART_IM_PE (0x01 << 8) |
| #define | USART_IM_FE (0x01 << 7) |
| #define | USART_IM_RT (0x01 << 6) |
| #define | USART_IM_TX (0x01 << 5) |
| #define | USART_IM_RX (0x01 << 4) |
| #define | USART_IC_OE (0x01 << 10) |
| #define | USART_IC_BE (0x01 << 9) |
| #define | USART_IC_PE (0x01 << 8) |
| #define | USART_IC_FE (0x01 << 7) |
| #define | USART_IC_RT (0x01 << 6) |
| #define | USART_IC_TX (0x01 << 5) |
| #define | USART_IC_RX (0x01 << 4) |
Enumerations | |
| enum | usart_stopbits { USART_STOPBITS_1 , USART_STOPBITS_1_5 , USART_STOPBITS_2 } |
| enum | usart_parity { USART_PARITY_NONE , USART_PARITY_ODD , USART_PARITY_EVEN } |
| enum | usart_mode { USART_MODE_DISABLED , USART_MODE_RX , USART_MODE_TX , USART_MODE_TX_RX } |
| enum | usart_flowcontrol { USART_FLOWCONTROL_NONE , USART_FLOWCONTROL_RTS_CTS } |
Functions | |
| void | usart_send (uint32_t usart, uint16_t data) |
| uint16_t | usart_recv (uint32_t usart) |
| bool | usart_is_send_ready (uint32_t usart) |
| bool | usart_is_recv_ready (uint32_t usart) |
| void | usart_send_blocking (uint32_t usart, uint16_t data) |
| uint16_t | usart_recv_blocking (uint32_t usart) |
| void | usart_enable_rx_interrupt (uint32_t usart) |
| void | usart_disable_rx_interrupt (uint32_t usart) |
| void | usart_clear_rx_interrupt (uint32_t usart) |
| void | usart_enable_tx_interrupt (uint32_t usart) |
| void | usart_disable_tx_interrupt (uint32_t usart) |
| void | usart_clear_tx_interrupt (uint32_t usart) |
| bool | usart_get_interrupt_source (uint32_t usart, uint32_t flag) |
Macro Definition Documentation
◆ USART0_BASE
◆ USART1_BASE
◆ USART2_BASE
◆ USART_CTL
◆ USART_DR
◆ USART_DR_BE
◆ USART_DR_FE
◆ USART_DR_OE
◆ USART_DR_PE
◆ USART_FBRD
◆ USART_FR
◆ USART_FR_BUSY
◆ USART_FR_RXFE
◆ USART_FR_RXFF
◆ USART_FR_TXFE
◆ USART_FR_TXFF
◆ USART_IBRD
◆ USART_IC
◆ USART_IC_BE
◆ USART_IC_FE
◆ USART_IC_OE
◆ USART_IC_PE
◆ USART_IC_RT
◆ USART_IC_RX
◆ USART_IC_TX
◆ USART_IFLS
◆ USART_ILPR
◆ USART_IM
◆ USART_IM_BE
◆ USART_IM_FE
◆ USART_IM_OE
◆ USART_IM_PE
◆ USART_IM_RT
◆ USART_IM_RX
◆ USART_IM_TX
◆ USART_IR
◆ USART_LCRH
◆ USART_MIS
◆ USART_RIS
Enumeration Type Documentation
◆ usart_flowcontrol
| enum usart_flowcontrol |
◆ usart_mode
| enum usart_mode |
◆ usart_parity
| enum usart_parity |
◆ usart_stopbits
| enum usart_stopbits |
Function Documentation
◆ usart_clear_rx_interrupt()
| void usart_clear_rx_interrupt | ( | uint32_t | usart | ) |
Definition at line 75 of file usart.c.
References USART_IC, and USART_IC_RX.
◆ usart_clear_tx_interrupt()
| void usart_clear_tx_interrupt | ( | uint32_t | usart | ) |
Definition at line 80 of file usart.c.
References USART_IC, and USART_IC_TX.
◆ usart_disable_rx_interrupt()
| void usart_disable_rx_interrupt | ( | uint32_t | usart | ) |
◆ usart_disable_tx_interrupt()
| void usart_disable_tx_interrupt | ( | uint32_t | usart | ) |
◆ usart_enable_rx_interrupt()
| void usart_enable_rx_interrupt | ( | uint32_t | usart | ) |
Definition at line 55 of file usart.c.
References USART_IM, and USART_IM_RX.
◆ usart_enable_tx_interrupt()
| void usart_enable_tx_interrupt | ( | uint32_t | usart | ) |
Definition at line 60 of file usart.c.
References USART_IM, and USART_IM_TX.
◆ usart_get_interrupt_source()
| bool usart_get_interrupt_source | ( | uint32_t | usart, |
| uint32_t | flag | ||
| ) |
◆ usart_is_recv_ready()
| bool usart_is_recv_ready | ( | uint32_t | usart | ) |
Definition at line 39 of file usart.c.
References USART_FR, and USART_FR_RXFE.
Referenced by usart_recv_blocking().
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◆ usart_is_send_ready()
| bool usart_is_send_ready | ( | uint32_t | usart | ) |
Definition at line 44 of file usart.c.
References USART_FR, and USART_FR_BUSY.
Referenced by usart_send_blocking().
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◆ usart_recv()
| uint16_t usart_recv | ( | uint32_t | usart | ) |
Definition at line 28 of file usart.c.
References USART_DR.
Referenced by usart_recv_blocking().
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◆ usart_recv_blocking()
| uint16_t usart_recv_blocking | ( | uint32_t | usart | ) |
Definition at line 49 of file usart.c.
References usart_is_recv_ready(), and usart_recv().
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◆ usart_send()
| void usart_send | ( | uint32_t | usart, |
| uint16_t | data | ||
| ) |
Definition at line 23 of file usart.c.
References USART_DR.
Referenced by usart_send_blocking().
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◆ usart_send_blocking()
| void usart_send_blocking | ( | uint32_t | usart, |
| uint16_t | data | ||
| ) |
Definition at line 33 of file usart.c.
References usart_is_send_ready(), and usart_send().
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