| 1 | /** |
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| 2 | * @file |
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| 3 | * @ingroup stm32_usart |
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| 4 | * @brief STM32 USART support |
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| 5 | */ |
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| 6 | |
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| 7 | /* |
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| 8 | * Copyright (c) 2012 Sebastian Huber. All rights reserved. |
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| 9 | * |
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| 10 | * embedded brains GmbH |
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| 11 | * Obere Lagerstr. 30 |
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| 12 | * 82178 Puchheim |
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| 13 | * Germany |
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| 14 | * <rtems@embedded-brains.de> |
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| 15 | * |
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| 16 | * The license and distribution terms for this file may be |
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| 17 | * found in the file LICENSE in this distribution or at |
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| 18 | * http://www.rtems.org/license/LICENSE. |
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| 19 | */ |
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| 20 | |
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| 21 | #ifndef LIBBSP_ARM_STM32F4_STM32_USART_H |
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| 22 | #define LIBBSP_ARM_STM32F4_STM32_USART_H |
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| 23 | |
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| 24 | #include <bsp/utility.h> |
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| 25 | |
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| 26 | /** |
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| 27 | * @defgroup stm32_usart STM32 USART Support |
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| 28 | * @ingroup stm32f4_usart |
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| 29 | * @brief STM32 USART Support |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |
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| 33 | typedef struct { |
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| 34 | uint32_t sr; |
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| 35 | #define STM32F4_USART_SR_CTS BSP_BIT32(9) |
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| 36 | #define STM32F4_USART_SR_LBD BSP_BIT32(8) |
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| 37 | #define STM32F4_USART_SR_TXE BSP_BIT32(7) |
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| 38 | #define STM32F4_USART_SR_TC BSP_BIT32(6) |
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| 39 | #define STM32F4_USART_SR_RXNE BSP_BIT32(5) |
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| 40 | #define STM32F4_USART_SR_IDLE BSP_BIT32(4) |
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| 41 | #define STM32F4_USART_SR_ORE BSP_BIT32(3) |
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| 42 | #define STM32F4_USART_SR_NF BSP_BIT32(2) |
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| 43 | #define STM32F4_USART_SR_FE BSP_BIT32(1) |
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| 44 | #define STM32F4_USART_SR_PE BSP_BIT32(0) |
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| 45 | uint32_t dr; |
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| 46 | #define STM32F4_USART_DR(val) BSP_FLD32(val, 0, 7) |
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| 47 | #define STM32F4_USART_DR_GET(reg) BSP_FLD32GET(reg, 0, 7) |
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| 48 | #define STM32F4_USART_DR_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7) |
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| 49 | uint32_t bbr; |
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| 50 | #define STM32F4_USART_BBR_DIV_MANTISSA(val) BSP_FLD32(val, 4, 15) |
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| 51 | #define STM32F4_USART_BBR_DIV_MANTISSA_GET(reg) BSP_FLD32GET(reg, 4, 15) |
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| 52 | #define STM32F4_USART_BBR_DIV_MANTISSA_SET(reg, val) BSP_FLD32SET(reg, val, 4, 15) |
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| 53 | #define STM32F4_USART_BBR_DIV_FRACTION(val) BSP_FLD32(val, 0, 3) |
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| 54 | #define STM32F4_USART_BBR_DIV_FRACTION_GET(reg) BSP_FLD32GET(reg, 0, 3) |
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| 55 | #define STM32F4_USART_BBR_DIV_FRACTION_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3) |
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| 56 | uint32_t cr1; |
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| 57 | #define STM32F4_USART_CR1_OVER8 BSP_BIT32(15) |
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| 58 | #define STM32F4_USART_CR1_UE BSP_BIT32(13) |
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| 59 | #define STM32F4_USART_CR1_M BSP_BIT32(12) |
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| 60 | #define STM32F4_USART_CR1_WAKE BSP_BIT32(11) |
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| 61 | #define STM32F4_USART_CR1_PCE BSP_BIT32(10) |
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| 62 | #define STM32F4_USART_CR1_PS BSP_BIT32(9) |
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| 63 | #define STM32F4_USART_CR1_PEIE BSP_BIT32(8) |
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| 64 | #define STM32F4_USART_CR1_TXEIE BSP_BIT32(7) |
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| 65 | #define STM32F4_USART_CR1_TCIE BSP_BIT32(6) |
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| 66 | #define STM32F4_USART_CR1_RXNEIE BSP_BIT32(5) |
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| 67 | #define STM32F4_USART_CR1_IDLEIE BSP_BIT32(4) |
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| 68 | #define STM32F4_USART_CR1_TE BSP_BIT32(3) |
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| 69 | #define STM32F4_USART_CR1_RE BSP_BIT32(2) |
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| 70 | #define STM32F4_USART_CR1_RWU BSP_BIT32(1) |
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| 71 | #define STM32F4_USART_CR1_SBK BSP_BIT32(0) |
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| 72 | uint32_t cr2; |
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| 73 | #define STM32F4_USART_CR2_LINEN BSP_BIT32(14) |
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| 74 | #define STM32F4_USART_CR2_STOP(val) BSP_FLD32(val, 12, 13) |
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| 75 | #define STM32F4_USART_CR2_STOP_GET(reg) BSP_FLD32GET(reg, 12, 13) |
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| 76 | #define STM32F4_USART_CR2_STOP_SET(reg, val) BSP_FLD32SET(reg, val, 12, 13) |
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| 77 | #define STM32F4_USART_CR2_CLKEN BSP_BIT32(11) |
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| 78 | #define STM32F4_USART_CR2_CPOL BSP_BIT32(10) |
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| 79 | #define STM32F4_USART_CR2_CPHA BSP_BIT32(9) |
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| 80 | #define STM32F4_USART_CR2_LBCL BSP_BIT32(8) |
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| 81 | #define STM32F4_USART_CR2_LBDIE BSP_BIT32(6) |
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| 82 | #define STM32F4_USART_CR2_LBDL BSP_BIT32(5) |
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| 83 | #define STM32F4_USART_CR2_ADD(val) BSP_FLD32(val, 0, 3) |
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| 84 | #define STM32F4_USART_CR2_ADD_GET(reg) BSP_FLD32GET(reg, 0, 3) |
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| 85 | #define STM32F4_USART_CR2_ADD_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3) |
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| 86 | uint32_t cr3; |
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| 87 | #define STM32F4_USART_CR3_ONEBIT BSP_BIT32(11) |
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| 88 | #define STM32F4_USART_CR3_CTSIE BSP_BIT32(10) |
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| 89 | #define STM32F4_USART_CR3_CTSE BSP_BIT32(9) |
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| 90 | #define STM32F4_USART_CR3_RTSE BSP_BIT32(8) |
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| 91 | #define STM32F4_USART_CR3_DMAT BSP_BIT32(7) |
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| 92 | #define STM32F4_USART_CR3_DMAR BSP_BIT32(6) |
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| 93 | #define STM32F4_USART_CR3_SCEN BSP_BIT32(5) |
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| 94 | #define STM32F4_USART_CR3_NACK BSP_BIT32(4) |
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| 95 | #define STM32F4_USART_CR3_HDSEL BSP_BIT32(3) |
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| 96 | #define STM32F4_USART_CR3_IRLP BSP_BIT32(2) |
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| 97 | #define STM32F4_USART_CR3_IREN BSP_BIT32(1) |
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| 98 | #define STM32F4_USART_CR3_EIE BSP_BIT32(0) |
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| 99 | uint32_t gtpr; |
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| 100 | #define STM32F4_USART_GTPR_GT(val) BSP_FLD32(val, 8, 15) |
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| 101 | #define STM32F4_USART_GTPR_GT_GET(reg) BSP_FLD32GET(reg, 8, 15) |
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| 102 | #define STM32F4_USART_GTPR_GT_SET(reg, val) BSP_FLD32SET(reg, val, 8, 15) |
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| 103 | #define STM32F4_USART_GTPR_PSC(val) BSP_FLD32(val, 0, 7) |
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| 104 | #define STM32F4_USART_GTPR_PSC_GET(reg) BSP_FLD32GET(reg, 0, 7) |
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| 105 | #define STM32F4_USART_GTPR_PSC_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7) |
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| 106 | } stm32f4_usart; |
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| 107 | |
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| 108 | /** @} */ |
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| 109 | |
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| 110 | #endif /* LIBBSP_ARM_STM32F4_STM32_USART_H */ |
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