| 1 | /** |
|---|
| 2 | * @file |
|---|
| 3 | * @ingroup stm32_usart |
|---|
| 4 | * @brief STM32 USART support |
|---|
| 5 | */ |
|---|
| 6 | |
|---|
| 7 | /* |
|---|
| 8 | * Copyright (c) 2012 Sebastian Huber. All rights reserved. |
|---|
| 9 | * |
|---|
| 10 | * The license and distribution terms for this file may be |
|---|
| 11 | * found in the file LICENSE in this distribution or at |
|---|
| 12 | * http://www.rtems.org/license/LICENSE. |
|---|
| 13 | */ |
|---|
| 14 | |
|---|
| 15 | #ifndef LIBBSP_ARM_STM32F4_STM32_USART_H |
|---|
| 16 | #define LIBBSP_ARM_STM32F4_STM32_USART_H |
|---|
| 17 | |
|---|
| 18 | #include <bsp/utility.h> |
|---|
| 19 | |
|---|
| 20 | /** |
|---|
| 21 | * @defgroup stm32_usart STM32 USART Support |
|---|
| 22 | * @ingroup stm32f4_usart |
|---|
| 23 | * @brief STM32 USART Support |
|---|
| 24 | * @{ |
|---|
| 25 | */ |
|---|
| 26 | |
|---|
| 27 | typedef struct { |
|---|
| 28 | uint32_t sr; |
|---|
| 29 | #define STM32F4_USART_SR_CTS BSP_BIT32(9) |
|---|
| 30 | #define STM32F4_USART_SR_LBD BSP_BIT32(8) |
|---|
| 31 | #define STM32F4_USART_SR_TXE BSP_BIT32(7) |
|---|
| 32 | #define STM32F4_USART_SR_TC BSP_BIT32(6) |
|---|
| 33 | #define STM32F4_USART_SR_RXNE BSP_BIT32(5) |
|---|
| 34 | #define STM32F4_USART_SR_IDLE BSP_BIT32(4) |
|---|
| 35 | #define STM32F4_USART_SR_ORE BSP_BIT32(3) |
|---|
| 36 | #define STM32F4_USART_SR_NF BSP_BIT32(2) |
|---|
| 37 | #define STM32F4_USART_SR_FE BSP_BIT32(1) |
|---|
| 38 | #define STM32F4_USART_SR_PE BSP_BIT32(0) |
|---|
| 39 | uint32_t dr; |
|---|
| 40 | #define STM32F4_USART_DR(val) BSP_FLD32(val, 0, 7) |
|---|
| 41 | #define STM32F4_USART_DR_GET(reg) BSP_FLD32GET(reg, 0, 7) |
|---|
| 42 | #define STM32F4_USART_DR_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7) |
|---|
| 43 | uint32_t bbr; |
|---|
| 44 | #define STM32F4_USART_BBR_DIV_MANTISSA(val) BSP_FLD32(val, 4, 15) |
|---|
| 45 | #define STM32F4_USART_BBR_DIV_MANTISSA_GET(reg) BSP_FLD32GET(reg, 4, 15) |
|---|
| 46 | #define STM32F4_USART_BBR_DIV_MANTISSA_SET(reg, val) BSP_FLD32SET(reg, val, 4, 15) |
|---|
| 47 | #define STM32F4_USART_BBR_DIV_FRACTION(val) BSP_FLD32(val, 0, 3) |
|---|
| 48 | #define STM32F4_USART_BBR_DIV_FRACTION_GET(reg) BSP_FLD32GET(reg, 0, 3) |
|---|
| 49 | #define STM32F4_USART_BBR_DIV_FRACTION_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3) |
|---|
| 50 | uint32_t cr1; |
|---|
| 51 | #define STM32F4_USART_CR1_OVER8 BSP_BIT32(15) |
|---|
| 52 | #define STM32F4_USART_CR1_UE BSP_BIT32(13) |
|---|
| 53 | #define STM32F4_USART_CR1_M BSP_BIT32(12) |
|---|
| 54 | #define STM32F4_USART_CR1_WAKE BSP_BIT32(11) |
|---|
| 55 | #define STM32F4_USART_CR1_PCE BSP_BIT32(10) |
|---|
| 56 | #define STM32F4_USART_CR1_PS BSP_BIT32(9) |
|---|
| 57 | #define STM32F4_USART_CR1_PEIE BSP_BIT32(8) |
|---|
| 58 | #define STM32F4_USART_CR1_TXEIE BSP_BIT32(7) |
|---|
| 59 | #define STM32F4_USART_CR1_TCIE BSP_BIT32(6) |
|---|
| 60 | #define STM32F4_USART_CR1_RXNEIE BSP_BIT32(5) |
|---|
| 61 | #define STM32F4_USART_CR1_IDLEIE BSP_BIT32(4) |
|---|
| 62 | #define STM32F4_USART_CR1_TE BSP_BIT32(3) |
|---|
| 63 | #define STM32F4_USART_CR1_RE BSP_BIT32(2) |
|---|
| 64 | #define STM32F4_USART_CR1_RWU BSP_BIT32(1) |
|---|
| 65 | #define STM32F4_USART_CR1_SBK BSP_BIT32(0) |
|---|
| 66 | uint32_t cr2; |
|---|
| 67 | #define STM32F4_USART_CR2_LINEN BSP_BIT32(14) |
|---|
| 68 | #define STM32F4_USART_CR2_STOP(val) BSP_FLD32(val, 12, 13) |
|---|
| 69 | #define STM32F4_USART_CR2_STOP_GET(reg) BSP_FLD32GET(reg, 12, 13) |
|---|
| 70 | #define STM32F4_USART_CR2_STOP_SET(reg, val) BSP_FLD32SET(reg, val, 12, 13) |
|---|
| 71 | #define STM32F4_USART_CR2_CLKEN BSP_BIT32(11) |
|---|
| 72 | #define STM32F4_USART_CR2_CPOL BSP_BIT32(10) |
|---|
| 73 | #define STM32F4_USART_CR2_CPHA BSP_BIT32(9) |
|---|
| 74 | #define STM32F4_USART_CR2_LBCL BSP_BIT32(8) |
|---|
| 75 | #define STM32F4_USART_CR2_LBDIE BSP_BIT32(6) |
|---|
| 76 | #define STM32F4_USART_CR2_LBDL BSP_BIT32(5) |
|---|
| 77 | #define STM32F4_USART_CR2_ADD(val) BSP_FLD32(val, 0, 3) |
|---|
| 78 | #define STM32F4_USART_CR2_ADD_GET(reg) BSP_FLD32GET(reg, 0, 3) |
|---|
| 79 | #define STM32F4_USART_CR2_ADD_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3) |
|---|
| 80 | uint32_t cr3; |
|---|
| 81 | #define STM32F4_USART_CR3_ONEBIT BSP_BIT32(11) |
|---|
| 82 | #define STM32F4_USART_CR3_CTSIE BSP_BIT32(10) |
|---|
| 83 | #define STM32F4_USART_CR3_CTSE BSP_BIT32(9) |
|---|
| 84 | #define STM32F4_USART_CR3_RTSE BSP_BIT32(8) |
|---|
| 85 | #define STM32F4_USART_CR3_DMAT BSP_BIT32(7) |
|---|
| 86 | #define STM32F4_USART_CR3_DMAR BSP_BIT32(6) |
|---|
| 87 | #define STM32F4_USART_CR3_SCEN BSP_BIT32(5) |
|---|
| 88 | #define STM32F4_USART_CR3_NACK BSP_BIT32(4) |
|---|
| 89 | #define STM32F4_USART_CR3_HDSEL BSP_BIT32(3) |
|---|
| 90 | #define STM32F4_USART_CR3_IRLP BSP_BIT32(2) |
|---|
| 91 | #define STM32F4_USART_CR3_IREN BSP_BIT32(1) |
|---|
| 92 | #define STM32F4_USART_CR3_EIE BSP_BIT32(0) |
|---|
| 93 | uint32_t gtpr; |
|---|
| 94 | #define STM32F4_USART_GTPR_GT(val) BSP_FLD32(val, 8, 15) |
|---|
| 95 | #define STM32F4_USART_GTPR_GT_GET(reg) BSP_FLD32GET(reg, 8, 15) |
|---|
| 96 | #define STM32F4_USART_GTPR_GT_SET(reg, val) BSP_FLD32SET(reg, val, 8, 15) |
|---|
| 97 | #define STM32F4_USART_GTPR_PSC(val) BSP_FLD32(val, 0, 7) |
|---|
| 98 | #define STM32F4_USART_GTPR_PSC_GET(reg) BSP_FLD32GET(reg, 0, 7) |
|---|
| 99 | #define STM32F4_USART_GTPR_PSC_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7) |
|---|
| 100 | } stm32f4_usart; |
|---|
| 101 | |
|---|
| 102 | /** @} */ |
|---|
| 103 | |
|---|
| 104 | #endif /* LIBBSP_ARM_STM32F4_STM32_USART_H */ |
|---|
![[RTEMS Logo]](/images/logo.png){kind=logo}
