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Fork of
OmniWheels
by 
Gustav Atmel
mbed-os/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_uart.c@1:9c5af431a1f1, 2018-05-01 (annotated)
- Committer:
- gustavatmel
- Date:
- Tue May 01 15:47:08 2018 +0000
- Revision:
- 1:9c5af431a1f1
sdf
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| gustavatmel | 1:9c5af431a1f1 | 1 | /**************************************************************************//** |
| gustavatmel | 1:9c5af431a1f1 | 2 | * @file uart.c |
| gustavatmel | 1:9c5af431a1f1 | 3 | * @version V3.00 |
| gustavatmel | 1:9c5af431a1f1 | 4 | * @brief M480 series UART driver source file |
| gustavatmel | 1:9c5af431a1f1 | 5 | * |
| gustavatmel | 1:9c5af431a1f1 | 6 | * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. |
| gustavatmel | 1:9c5af431a1f1 | 7 | *****************************************************************************/ |
| gustavatmel | 1:9c5af431a1f1 | 8 | |
| gustavatmel | 1:9c5af431a1f1 | 9 | #include <stdio.h> |
| gustavatmel | 1:9c5af431a1f1 | 10 | #include "M480.h" |
| gustavatmel | 1:9c5af431a1f1 | 11 | |
| gustavatmel | 1:9c5af431a1f1 | 12 | /** @addtogroup M480_Device_Driver M480 Device Driver |
| gustavatmel | 1:9c5af431a1f1 | 13 | @{ |
| gustavatmel | 1:9c5af431a1f1 | 14 | */ |
| gustavatmel | 1:9c5af431a1f1 | 15 | |
| gustavatmel | 1:9c5af431a1f1 | 16 | /** @addtogroup M480_UART_Driver UART Driver |
| gustavatmel | 1:9c5af431a1f1 | 17 | @{ |
| gustavatmel | 1:9c5af431a1f1 | 18 | */ |
| gustavatmel | 1:9c5af431a1f1 | 19 | |
| gustavatmel | 1:9c5af431a1f1 | 20 | /** @addtogroup M480_UART_EXPORTED_FUNCTIONS UART Exported Functions |
| gustavatmel | 1:9c5af431a1f1 | 21 | @{ |
| gustavatmel | 1:9c5af431a1f1 | 22 | */ |
| gustavatmel | 1:9c5af431a1f1 | 23 | |
| gustavatmel | 1:9c5af431a1f1 | 24 | /** |
| gustavatmel | 1:9c5af431a1f1 | 25 | * @brief Clear UART specified interrupt flag |
| gustavatmel | 1:9c5af431a1f1 | 26 | * |
| gustavatmel | 1:9c5af431a1f1 | 27 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 28 | * @param[in] u32InterruptFlag The specified interrupt of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 29 | * - \ref UART_INTSTS_LININT_Msk : LIN bus interrupt |
| gustavatmel | 1:9c5af431a1f1 | 30 | * - \ref UART_INTEN_WKIEN_Msk : Wake-up interrupt |
| gustavatmel | 1:9c5af431a1f1 | 31 | * - \ref UART_INTSTS_BUFERRINT_Msk : Buffer Error interrupt |
| gustavatmel | 1:9c5af431a1f1 | 32 | * - \ref UART_INTSTS_MODEMINT_Msk : Modem Status interrupt |
| gustavatmel | 1:9c5af431a1f1 | 33 | * - \ref UART_INTSTS_RLSINT_Msk : Receive Line Status interrupt |
| gustavatmel | 1:9c5af431a1f1 | 34 | * |
| gustavatmel | 1:9c5af431a1f1 | 35 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 36 | * |
| gustavatmel | 1:9c5af431a1f1 | 37 | * @details The function is used to clear UART specified interrupt flag. |
| gustavatmel | 1:9c5af431a1f1 | 38 | */ |
| gustavatmel | 1:9c5af431a1f1 | 39 | |
| gustavatmel | 1:9c5af431a1f1 | 40 | void UART_ClearIntFlag(UART_T* uart , uint32_t u32InterruptFlag) |
| gustavatmel | 1:9c5af431a1f1 | 41 | { |
| gustavatmel | 1:9c5af431a1f1 | 42 | |
| gustavatmel | 1:9c5af431a1f1 | 43 | if(u32InterruptFlag & UART_INTSTS_RLSINT_Msk) { /* Clear Receive Line Status Interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 44 | uart->FIFOSTS = UART_FIFOSTS_BIF_Msk | UART_FIFOSTS_FEF_Msk | UART_FIFOSTS_FEF_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 45 | uart->FIFOSTS = UART_FIFOSTS_ADDRDETF_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 46 | } |
| gustavatmel | 1:9c5af431a1f1 | 47 | |
| gustavatmel | 1:9c5af431a1f1 | 48 | if(u32InterruptFlag & UART_INTSTS_MODEMINT_Msk) { /* Clear Modem Status Interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 49 | uart->MODEMSTS |= UART_MODEMSTS_CTSDETF_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 50 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 51 | } |
| gustavatmel | 1:9c5af431a1f1 | 52 | |
| gustavatmel | 1:9c5af431a1f1 | 53 | if(u32InterruptFlag & UART_INTSTS_BUFERRINT_Msk) { /* Clear Buffer Error Interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 54 | uart->FIFOSTS = UART_FIFOSTS_RXOVIF_Msk | UART_FIFOSTS_TXOVIF_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 55 | } |
| gustavatmel | 1:9c5af431a1f1 | 56 | |
| gustavatmel | 1:9c5af431a1f1 | 57 | if(u32InterruptFlag & UART_INTSTS_WKINT_Msk) { /* Clear Wake-up Interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 58 | uart->WKSTS = UART_WKSTS_CTSWKF_Msk | UART_WKSTS_DATWKF_Msk | |
| gustavatmel | 1:9c5af431a1f1 | 59 | UART_WKSTS_RFRTWKF_Msk |UART_WKSTS_RS485WKF_Msk | |
| gustavatmel | 1:9c5af431a1f1 | 60 | UART_WKSTS_TOUTWKF_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 61 | } |
| gustavatmel | 1:9c5af431a1f1 | 62 | |
| gustavatmel | 1:9c5af431a1f1 | 63 | if(u32InterruptFlag & UART_INTSTS_LININT_Msk) { /* Clear LIN Bus Interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 64 | uart->INTSTS = UART_INTSTS_LINIF_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 65 | uart->LINSTS = UART_LINSTS_BITEF_Msk | UART_LINSTS_BRKDETF_Msk | |
| gustavatmel | 1:9c5af431a1f1 | 66 | UART_LINSTS_SLVSYNCF_Msk | UART_LINSTS_SLVIDPEF_Msk | |
| gustavatmel | 1:9c5af431a1f1 | 67 | UART_LINSTS_SLVHEF_Msk | UART_LINSTS_SLVHDETF_Msk ; |
| gustavatmel | 1:9c5af431a1f1 | 68 | } |
| gustavatmel | 1:9c5af431a1f1 | 69 | } |
| gustavatmel | 1:9c5af431a1f1 | 70 | |
| gustavatmel | 1:9c5af431a1f1 | 71 | |
| gustavatmel | 1:9c5af431a1f1 | 72 | /** |
| gustavatmel | 1:9c5af431a1f1 | 73 | * @brief Disable UART interrupt |
| gustavatmel | 1:9c5af431a1f1 | 74 | * |
| gustavatmel | 1:9c5af431a1f1 | 75 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 76 | * |
| gustavatmel | 1:9c5af431a1f1 | 77 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 78 | * |
| gustavatmel | 1:9c5af431a1f1 | 79 | * @details The function is used to disable UART interrupt. |
| gustavatmel | 1:9c5af431a1f1 | 80 | */ |
| gustavatmel | 1:9c5af431a1f1 | 81 | void UART_Close(UART_T* uart) |
| gustavatmel | 1:9c5af431a1f1 | 82 | { |
| gustavatmel | 1:9c5af431a1f1 | 83 | uart->INTEN = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 84 | } |
| gustavatmel | 1:9c5af431a1f1 | 85 | |
| gustavatmel | 1:9c5af431a1f1 | 86 | |
| gustavatmel | 1:9c5af431a1f1 | 87 | /** |
| gustavatmel | 1:9c5af431a1f1 | 88 | * @brief Disable UART auto flow control function |
| gustavatmel | 1:9c5af431a1f1 | 89 | * |
| gustavatmel | 1:9c5af431a1f1 | 90 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 91 | * |
| gustavatmel | 1:9c5af431a1f1 | 92 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 93 | * |
| gustavatmel | 1:9c5af431a1f1 | 94 | * @details The function is used to disable UART auto flow control. |
| gustavatmel | 1:9c5af431a1f1 | 95 | */ |
| gustavatmel | 1:9c5af431a1f1 | 96 | void UART_DisableFlowCtrl(UART_T* uart) |
| gustavatmel | 1:9c5af431a1f1 | 97 | { |
| gustavatmel | 1:9c5af431a1f1 | 98 | uart->INTEN &= ~(UART_INTEN_ATORTSEN_Msk | UART_INTEN_ATOCTSEN_Msk); |
| gustavatmel | 1:9c5af431a1f1 | 99 | } |
| gustavatmel | 1:9c5af431a1f1 | 100 | |
| gustavatmel | 1:9c5af431a1f1 | 101 | |
| gustavatmel | 1:9c5af431a1f1 | 102 | /** |
| gustavatmel | 1:9c5af431a1f1 | 103 | * @brief Disable UART specified interrupt |
| gustavatmel | 1:9c5af431a1f1 | 104 | * |
| gustavatmel | 1:9c5af431a1f1 | 105 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 106 | * @param[in] u32InterruptFlag The specified interrupt of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 107 | * - \ref UART_INTEN_WKIEN_Msk : Wake-up interrupt |
| gustavatmel | 1:9c5af431a1f1 | 108 | * - \ref UART_INTEN_LINIEN_Msk : Lin bus interrupt |
| gustavatmel | 1:9c5af431a1f1 | 109 | * - \ref UART_INTEN_BUFERRIEN_Msk : Buffer Error interrupt |
| gustavatmel | 1:9c5af431a1f1 | 110 | * - \ref UART_INTEN_RXTOIEN_Msk : Rx time-out interrupt |
| gustavatmel | 1:9c5af431a1f1 | 111 | * - \ref UART_INTEN_MODEMIEN_Msk : Modem status interrupt |
| gustavatmel | 1:9c5af431a1f1 | 112 | * - \ref UART_INTEN_RLSIEN_Msk : Receive Line status interrupt |
| gustavatmel | 1:9c5af431a1f1 | 113 | * - \ref UART_INTEN_THREIEN_Msk : Tx empty interrupt |
| gustavatmel | 1:9c5af431a1f1 | 114 | * - \ref UART_INTEN_RDAIEN_Msk : Rx ready interrupt * |
| gustavatmel | 1:9c5af431a1f1 | 115 | * |
| gustavatmel | 1:9c5af431a1f1 | 116 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 117 | * |
| gustavatmel | 1:9c5af431a1f1 | 118 | * @details The function is used to disable UART specified interrupt and disable NVIC UART IRQ. |
| gustavatmel | 1:9c5af431a1f1 | 119 | */ |
| gustavatmel | 1:9c5af431a1f1 | 120 | void UART_DisableInt(UART_T* uart, uint32_t u32InterruptFlag) |
| gustavatmel | 1:9c5af431a1f1 | 121 | { |
| gustavatmel | 1:9c5af431a1f1 | 122 | /* Disable UART specified interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 123 | UART_DISABLE_INT(uart, u32InterruptFlag); |
| gustavatmel | 1:9c5af431a1f1 | 124 | } |
| gustavatmel | 1:9c5af431a1f1 | 125 | |
| gustavatmel | 1:9c5af431a1f1 | 126 | |
| gustavatmel | 1:9c5af431a1f1 | 127 | /** |
| gustavatmel | 1:9c5af431a1f1 | 128 | * @brief Enable UART auto flow control function |
| gustavatmel | 1:9c5af431a1f1 | 129 | * |
| gustavatmel | 1:9c5af431a1f1 | 130 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 131 | * |
| gustavatmel | 1:9c5af431a1f1 | 132 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 133 | * |
| gustavatmel | 1:9c5af431a1f1 | 134 | * @details The function is used to Enable UART auto flow control. |
| gustavatmel | 1:9c5af431a1f1 | 135 | */ |
| gustavatmel | 1:9c5af431a1f1 | 136 | void UART_EnableFlowCtrl(UART_T* uart) |
| gustavatmel | 1:9c5af431a1f1 | 137 | { |
| gustavatmel | 1:9c5af431a1f1 | 138 | /* Set RTS pin output is low level active */ |
| gustavatmel | 1:9c5af431a1f1 | 139 | uart->MODEM |= UART_MODEM_RTSACTLV_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 140 | |
| gustavatmel | 1:9c5af431a1f1 | 141 | /* Set CTS pin input is low level active */ |
| gustavatmel | 1:9c5af431a1f1 | 142 | uart->MODEMSTS |= UART_MODEMSTS_CTSACTLV_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 143 | |
| gustavatmel | 1:9c5af431a1f1 | 144 | /* Set RTS and CTS auto flow control enable */ |
| gustavatmel | 1:9c5af431a1f1 | 145 | uart->INTEN |= UART_INTEN_ATORTSEN_Msk | UART_INTEN_ATOCTSEN_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 146 | } |
| gustavatmel | 1:9c5af431a1f1 | 147 | |
| gustavatmel | 1:9c5af431a1f1 | 148 | |
| gustavatmel | 1:9c5af431a1f1 | 149 | /** |
| gustavatmel | 1:9c5af431a1f1 | 150 | * @brief The function is used to enable UART specified interrupt and enable NVIC UART IRQ. |
| gustavatmel | 1:9c5af431a1f1 | 151 | * |
| gustavatmel | 1:9c5af431a1f1 | 152 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 153 | * @param[in] u32InterruptFlag The specified interrupt of UART module: |
| gustavatmel | 1:9c5af431a1f1 | 154 | * - \ref UART_INTEN_WKIEN_Msk : Wake-up interrupt |
| gustavatmel | 1:9c5af431a1f1 | 155 | * - \ref UART_INTEN_LINIEN_Msk : Lin bus interrupt |
| gustavatmel | 1:9c5af431a1f1 | 156 | * - \ref UART_INTEN_BUFERRIEN_Msk : Buffer Error interrupt |
| gustavatmel | 1:9c5af431a1f1 | 157 | * - \ref UART_INTEN_RXTOIEN_Msk : Rx time-out interrupt |
| gustavatmel | 1:9c5af431a1f1 | 158 | * - \ref UART_INTEN_MODEMIEN_Msk : Modem status interrupt |
| gustavatmel | 1:9c5af431a1f1 | 159 | * - \ref UART_INTEN_RLSIEN_Msk : Receive Line status interrupt |
| gustavatmel | 1:9c5af431a1f1 | 160 | * - \ref UART_INTEN_THREIEN_Msk : Tx empty interrupt |
| gustavatmel | 1:9c5af431a1f1 | 161 | * - \ref UART_INTEN_RDAIEN_Msk : Rx ready interrupt * |
| gustavatmel | 1:9c5af431a1f1 | 162 | * |
| gustavatmel | 1:9c5af431a1f1 | 163 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 164 | * |
| gustavatmel | 1:9c5af431a1f1 | 165 | * @details The function is used to enable UART specified interrupt and enable NVIC UART IRQ. |
| gustavatmel | 1:9c5af431a1f1 | 166 | */ |
| gustavatmel | 1:9c5af431a1f1 | 167 | void UART_EnableInt(UART_T* uart, uint32_t u32InterruptFlag) |
| gustavatmel | 1:9c5af431a1f1 | 168 | { |
| gustavatmel | 1:9c5af431a1f1 | 169 | /* Enable UART specified interrupt */ |
| gustavatmel | 1:9c5af431a1f1 | 170 | UART_ENABLE_INT(uart, u32InterruptFlag); |
| gustavatmel | 1:9c5af431a1f1 | 171 | } |
| gustavatmel | 1:9c5af431a1f1 | 172 | |
| gustavatmel | 1:9c5af431a1f1 | 173 | |
| gustavatmel | 1:9c5af431a1f1 | 174 | /** |
| gustavatmel | 1:9c5af431a1f1 | 175 | * @brief Open and set UART function |
| gustavatmel | 1:9c5af431a1f1 | 176 | * |
| gustavatmel | 1:9c5af431a1f1 | 177 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 178 | * @param[in] u32baudrate The baudrate of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 179 | * |
| gustavatmel | 1:9c5af431a1f1 | 180 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 181 | * |
| gustavatmel | 1:9c5af431a1f1 | 182 | * @details This function use to enable UART function and set baud-rate. |
| gustavatmel | 1:9c5af431a1f1 | 183 | */ |
| gustavatmel | 1:9c5af431a1f1 | 184 | void UART_Open(UART_T* uart, uint32_t u32baudrate) |
| gustavatmel | 1:9c5af431a1f1 | 185 | { |
| gustavatmel | 1:9c5af431a1f1 | 186 | uint32_t u32UartClkSrcSel=0ul, u32UartClkDivNum=0ul; |
| gustavatmel | 1:9c5af431a1f1 | 187 | uint32_t u32ClkTbl[4] = {__HXT, 0ul, __LXT, __HIRC}; |
| gustavatmel | 1:9c5af431a1f1 | 188 | uint32_t u32Baud_Div = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 189 | |
| gustavatmel | 1:9c5af431a1f1 | 190 | |
| gustavatmel | 1:9c5af431a1f1 | 191 | if(uart==(UART_T*)UART0) { |
| gustavatmel | 1:9c5af431a1f1 | 192 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 193 | u32UartClkSrcSel = ((uint32_t)(CLK->CLKSEL1 & CLK_CLKSEL1_UART0SEL_Msk)) >> CLK_CLKSEL1_UART0SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 194 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 195 | u32UartClkDivNum = (CLK->CLKDIV0 & CLK_CLKDIV0_UART0DIV_Msk) >> CLK_CLKDIV0_UART0DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 196 | } else if(uart==(UART_T*)UART1) { |
| gustavatmel | 1:9c5af431a1f1 | 197 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 198 | u32UartClkSrcSel = (CLK->CLKSEL1 & CLK_CLKSEL1_UART1SEL_Msk) >> CLK_CLKSEL1_UART1SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 199 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 200 | u32UartClkDivNum = (CLK->CLKDIV0 & CLK_CLKDIV0_UART1DIV_Msk) >> CLK_CLKDIV0_UART1DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 201 | } else if(uart==(UART_T*)UART2) { |
| gustavatmel | 1:9c5af431a1f1 | 202 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 203 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART2SEL_Msk) >> CLK_CLKSEL3_UART2SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 204 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 205 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART2DIV_Msk) >> CLK_CLKDIV4_UART2DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 206 | } else if(uart==(UART_T*)UART3) { |
| gustavatmel | 1:9c5af431a1f1 | 207 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 208 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART3SEL_Msk) >> CLK_CLKSEL3_UART3SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 209 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 210 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART3DIV_Msk) >> CLK_CLKDIV4_UART3DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 211 | } else if(uart==(UART_T*)UART4) { |
| gustavatmel | 1:9c5af431a1f1 | 212 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 213 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART4SEL_Msk) >> CLK_CLKSEL3_UART4SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 214 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 215 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART4DIV_Msk) >> CLK_CLKDIV4_UART4DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 216 | } else if(uart==(UART_T*)UART5) { |
| gustavatmel | 1:9c5af431a1f1 | 217 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 218 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART5SEL_Msk) >> CLK_CLKSEL3_UART5SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 219 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 220 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART5DIV_Msk) >> CLK_CLKDIV4_UART5DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 221 | } |
| gustavatmel | 1:9c5af431a1f1 | 222 | |
| gustavatmel | 1:9c5af431a1f1 | 223 | /* Select UART function */ |
| gustavatmel | 1:9c5af431a1f1 | 224 | uart->FUNCSEL = UART_FUNCSEL_UART; |
| gustavatmel | 1:9c5af431a1f1 | 225 | |
| gustavatmel | 1:9c5af431a1f1 | 226 | /* Set UART line configuration */ |
| gustavatmel | 1:9c5af431a1f1 | 227 | uart->LINE = UART_WORD_LEN_8 | UART_PARITY_NONE | UART_STOP_BIT_1; |
| gustavatmel | 1:9c5af431a1f1 | 228 | |
| gustavatmel | 1:9c5af431a1f1 | 229 | /* Set UART Rx and RTS trigger level */ |
| gustavatmel | 1:9c5af431a1f1 | 230 | uart->FIFO &= ~(UART_FIFO_RFITL_Msk | UART_FIFO_RTSTRGLV_Msk); |
| gustavatmel | 1:9c5af431a1f1 | 231 | |
| gustavatmel | 1:9c5af431a1f1 | 232 | /* Get PLL clock frequency if UART clock source selection is PLL */ |
| gustavatmel | 1:9c5af431a1f1 | 233 | if(u32UartClkSrcSel == 1ul) { |
| gustavatmel | 1:9c5af431a1f1 | 234 | u32ClkTbl[u32UartClkSrcSel] = CLK_GetPLLClockFreq(); |
| gustavatmel | 1:9c5af431a1f1 | 235 | } |
| gustavatmel | 1:9c5af431a1f1 | 236 | |
| gustavatmel | 1:9c5af431a1f1 | 237 | /* Set UART baud rate */ |
| gustavatmel | 1:9c5af431a1f1 | 238 | if(u32baudrate != 0ul) { |
| gustavatmel | 1:9c5af431a1f1 | 239 | u32Baud_Div = UART_BAUD_MODE2_DIVIDER((u32ClkTbl[u32UartClkSrcSel]) / (u32UartClkDivNum + 1ul), u32baudrate); |
| gustavatmel | 1:9c5af431a1f1 | 240 | |
| gustavatmel | 1:9c5af431a1f1 | 241 | if(u32Baud_Div > 0xFFFFul) { |
| gustavatmel | 1:9c5af431a1f1 | 242 | uart->BAUD = (UART_BAUD_MODE0 | UART_BAUD_MODE0_DIVIDER((u32ClkTbl[u32UartClkSrcSel]) / (u32UartClkDivNum + 1ul), u32baudrate)); |
| gustavatmel | 1:9c5af431a1f1 | 243 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 244 | uart->BAUD = (UART_BAUD_MODE2 | u32Baud_Div); |
| gustavatmel | 1:9c5af431a1f1 | 245 | } |
| gustavatmel | 1:9c5af431a1f1 | 246 | } |
| gustavatmel | 1:9c5af431a1f1 | 247 | } |
| gustavatmel | 1:9c5af431a1f1 | 248 | |
| gustavatmel | 1:9c5af431a1f1 | 249 | |
| gustavatmel | 1:9c5af431a1f1 | 250 | /** |
| gustavatmel | 1:9c5af431a1f1 | 251 | * @brief Read UART data |
| gustavatmel | 1:9c5af431a1f1 | 252 | * |
| gustavatmel | 1:9c5af431a1f1 | 253 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 254 | * @param[in] pu8RxBuf The buffer to receive the data of receive FIFO. |
| gustavatmel | 1:9c5af431a1f1 | 255 | * @param[in] u32ReadBytes The the read bytes number of data. |
| gustavatmel | 1:9c5af431a1f1 | 256 | * |
| gustavatmel | 1:9c5af431a1f1 | 257 | * @return u32Count Receive byte count |
| gustavatmel | 1:9c5af431a1f1 | 258 | * |
| gustavatmel | 1:9c5af431a1f1 | 259 | * @details The function is used to read Rx data from RX FIFO and the data will be stored in pu8RxBuf. |
| gustavatmel | 1:9c5af431a1f1 | 260 | */ |
| gustavatmel | 1:9c5af431a1f1 | 261 | uint32_t UART_Read(UART_T* uart, uint8_t pu8RxBuf[], uint32_t u32ReadBytes) |
| gustavatmel | 1:9c5af431a1f1 | 262 | { |
| gustavatmel | 1:9c5af431a1f1 | 263 | uint32_t u32Count, u32delayno; |
| gustavatmel | 1:9c5af431a1f1 | 264 | uint32_t u32Exit = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 265 | |
| gustavatmel | 1:9c5af431a1f1 | 266 | for(u32Count = 0ul; u32Count < u32ReadBytes; u32Count++) { |
| gustavatmel | 1:9c5af431a1f1 | 267 | u32delayno = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 268 | |
| gustavatmel | 1:9c5af431a1f1 | 269 | while(uart->FIFOSTS & UART_FIFOSTS_RXEMPTY_Msk) { /* Check RX empty => failed */ |
| gustavatmel | 1:9c5af431a1f1 | 270 | u32delayno++; |
| gustavatmel | 1:9c5af431a1f1 | 271 | if(u32delayno >= 0x40000000ul) { |
| gustavatmel | 1:9c5af431a1f1 | 272 | u32Exit = 1ul; |
| gustavatmel | 1:9c5af431a1f1 | 273 | break; |
| gustavatmel | 1:9c5af431a1f1 | 274 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 275 | } |
| gustavatmel | 1:9c5af431a1f1 | 276 | } |
| gustavatmel | 1:9c5af431a1f1 | 277 | |
| gustavatmel | 1:9c5af431a1f1 | 278 | if(u32Exit == 1ul) { |
| gustavatmel | 1:9c5af431a1f1 | 279 | break; |
| gustavatmel | 1:9c5af431a1f1 | 280 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 281 | pu8RxBuf[u32Count] = (uint8_t)uart->DAT; /* Get Data from UART RX */ |
| gustavatmel | 1:9c5af431a1f1 | 282 | } |
| gustavatmel | 1:9c5af431a1f1 | 283 | } |
| gustavatmel | 1:9c5af431a1f1 | 284 | |
| gustavatmel | 1:9c5af431a1f1 | 285 | return u32Count; |
| gustavatmel | 1:9c5af431a1f1 | 286 | |
| gustavatmel | 1:9c5af431a1f1 | 287 | } |
| gustavatmel | 1:9c5af431a1f1 | 288 | |
| gustavatmel | 1:9c5af431a1f1 | 289 | |
| gustavatmel | 1:9c5af431a1f1 | 290 | /** |
| gustavatmel | 1:9c5af431a1f1 | 291 | * @brief Set UART line configuration |
| gustavatmel | 1:9c5af431a1f1 | 292 | * |
| gustavatmel | 1:9c5af431a1f1 | 293 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 294 | * @param[in] u32baudrate The register value of baudrate of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 295 | * If u32baudrate = 0, UART baudrate will not change. |
| gustavatmel | 1:9c5af431a1f1 | 296 | * @param[in] u32data_width The data length of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 297 | * - \ref UART_WORD_LEN_5 |
| gustavatmel | 1:9c5af431a1f1 | 298 | * - \ref UART_WORD_LEN_6 |
| gustavatmel | 1:9c5af431a1f1 | 299 | * - \ref UART_WORD_LEN_7 |
| gustavatmel | 1:9c5af431a1f1 | 300 | * - \ref UART_WORD_LEN_8 |
| gustavatmel | 1:9c5af431a1f1 | 301 | * @param[in] u32parity The parity setting (none/odd/even/mark/space) of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 302 | * - \ref UART_PARITY_NONE |
| gustavatmel | 1:9c5af431a1f1 | 303 | * - \ref UART_PARITY_ODD |
| gustavatmel | 1:9c5af431a1f1 | 304 | * - \ref UART_PARITY_EVEN |
| gustavatmel | 1:9c5af431a1f1 | 305 | * - \ref UART_PARITY_MARK |
| gustavatmel | 1:9c5af431a1f1 | 306 | * - \ref UART_PARITY_SPACE |
| gustavatmel | 1:9c5af431a1f1 | 307 | * @param[in] u32stop_bits The stop bit length (1/1.5/2 bit) of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 308 | * - \ref UART_STOP_BIT_1 |
| gustavatmel | 1:9c5af431a1f1 | 309 | * - \ref UART_STOP_BIT_1_5 |
| gustavatmel | 1:9c5af431a1f1 | 310 | * - \ref UART_STOP_BIT_2 |
| gustavatmel | 1:9c5af431a1f1 | 311 | * |
| gustavatmel | 1:9c5af431a1f1 | 312 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 313 | * |
| gustavatmel | 1:9c5af431a1f1 | 314 | * @details This function use to config UART line setting. |
| gustavatmel | 1:9c5af431a1f1 | 315 | */ |
| gustavatmel | 1:9c5af431a1f1 | 316 | void UART_SetLine_Config(UART_T* uart, uint32_t u32baudrate, uint32_t u32data_width, uint32_t u32parity, uint32_t u32stop_bits) |
| gustavatmel | 1:9c5af431a1f1 | 317 | { |
| gustavatmel | 1:9c5af431a1f1 | 318 | uint32_t u32UartClkSrcSel=0ul, u32UartClkDivNum=0ul; |
| gustavatmel | 1:9c5af431a1f1 | 319 | uint32_t u32ClkTbl[4ul] = {__HXT, 0ul, __LXT, __HIRC}; |
| gustavatmel | 1:9c5af431a1f1 | 320 | uint32_t u32Baud_Div = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 321 | |
| gustavatmel | 1:9c5af431a1f1 | 322 | |
| gustavatmel | 1:9c5af431a1f1 | 323 | if(uart==(UART_T*)UART0) { |
| gustavatmel | 1:9c5af431a1f1 | 324 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 325 | u32UartClkSrcSel = (CLK->CLKSEL1 & CLK_CLKSEL1_UART0SEL_Msk) >> CLK_CLKSEL1_UART0SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 326 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 327 | u32UartClkDivNum = (CLK->CLKDIV0 & CLK_CLKDIV0_UART0DIV_Msk) >> CLK_CLKDIV0_UART0DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 328 | } else if(uart==(UART_T*)UART1) { |
| gustavatmel | 1:9c5af431a1f1 | 329 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 330 | u32UartClkSrcSel = (CLK->CLKSEL1 & CLK_CLKSEL1_UART1SEL_Msk) >> CLK_CLKSEL1_UART1SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 331 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 332 | u32UartClkDivNum = (CLK->CLKDIV0 & CLK_CLKDIV0_UART1DIV_Msk) >> CLK_CLKDIV0_UART1DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 333 | } else if(uart==(UART_T*)UART2) { |
| gustavatmel | 1:9c5af431a1f1 | 334 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 335 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART2SEL_Msk) >> CLK_CLKSEL3_UART2SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 336 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 337 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART2DIV_Msk) >> CLK_CLKDIV4_UART2DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 338 | } else if(uart==(UART_T*)UART3) { |
| gustavatmel | 1:9c5af431a1f1 | 339 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 340 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART3SEL_Msk) >> CLK_CLKSEL3_UART3SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 341 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 342 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART3DIV_Msk) >> CLK_CLKDIV4_UART3DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 343 | } else if(uart==(UART_T*)UART4) { |
| gustavatmel | 1:9c5af431a1f1 | 344 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 345 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART4SEL_Msk) >> CLK_CLKSEL3_UART4SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 346 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 347 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART4DIV_Msk) >> CLK_CLKDIV4_UART4DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 348 | } else if(uart==(UART_T*)UART5) { |
| gustavatmel | 1:9c5af431a1f1 | 349 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 350 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART5SEL_Msk) >> CLK_CLKSEL3_UART5SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 351 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 352 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART5DIV_Msk) >> CLK_CLKDIV4_UART5DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 353 | } |
| gustavatmel | 1:9c5af431a1f1 | 354 | |
| gustavatmel | 1:9c5af431a1f1 | 355 | /* Get PLL clock frequency if UART clock source selection is PLL */ |
| gustavatmel | 1:9c5af431a1f1 | 356 | if(u32UartClkSrcSel == 1ul) { |
| gustavatmel | 1:9c5af431a1f1 | 357 | u32ClkTbl[u32UartClkSrcSel] = CLK_GetPLLClockFreq(); |
| gustavatmel | 1:9c5af431a1f1 | 358 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 359 | } |
| gustavatmel | 1:9c5af431a1f1 | 360 | |
| gustavatmel | 1:9c5af431a1f1 | 361 | /* Set UART baud rate */ |
| gustavatmel | 1:9c5af431a1f1 | 362 | if(u32baudrate != 0ul) { |
| gustavatmel | 1:9c5af431a1f1 | 363 | u32Baud_Div = UART_BAUD_MODE2_DIVIDER((u32ClkTbl[u32UartClkSrcSel]) / (u32UartClkDivNum + 1ul), u32baudrate); |
| gustavatmel | 1:9c5af431a1f1 | 364 | |
| gustavatmel | 1:9c5af431a1f1 | 365 | if(u32Baud_Div > 0xFFFFul) { |
| gustavatmel | 1:9c5af431a1f1 | 366 | uart->BAUD = (UART_BAUD_MODE0 | UART_BAUD_MODE0_DIVIDER((u32ClkTbl[u32UartClkSrcSel]) / (u32UartClkDivNum + 1ul), u32baudrate)); |
| gustavatmel | 1:9c5af431a1f1 | 367 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 368 | uart->BAUD = (UART_BAUD_MODE2 | u32Baud_Div); |
| gustavatmel | 1:9c5af431a1f1 | 369 | } |
| gustavatmel | 1:9c5af431a1f1 | 370 | } |
| gustavatmel | 1:9c5af431a1f1 | 371 | |
| gustavatmel | 1:9c5af431a1f1 | 372 | /* Set UART line configuration */ |
| gustavatmel | 1:9c5af431a1f1 | 373 | uart->LINE = u32data_width | u32parity | u32stop_bits; |
| gustavatmel | 1:9c5af431a1f1 | 374 | } |
| gustavatmel | 1:9c5af431a1f1 | 375 | |
| gustavatmel | 1:9c5af431a1f1 | 376 | |
| gustavatmel | 1:9c5af431a1f1 | 377 | /** |
| gustavatmel | 1:9c5af431a1f1 | 378 | * @brief Set Rx timeout count |
| gustavatmel | 1:9c5af431a1f1 | 379 | * |
| gustavatmel | 1:9c5af431a1f1 | 380 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 381 | * @param[in] u32TOC Rx timeout counter. |
| gustavatmel | 1:9c5af431a1f1 | 382 | * |
| gustavatmel | 1:9c5af431a1f1 | 383 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 384 | * |
| gustavatmel | 1:9c5af431a1f1 | 385 | * @details This function use to set Rx timeout count. |
| gustavatmel | 1:9c5af431a1f1 | 386 | */ |
| gustavatmel | 1:9c5af431a1f1 | 387 | void UART_SetTimeoutCnt(UART_T* uart, uint32_t u32TOC) |
| gustavatmel | 1:9c5af431a1f1 | 388 | { |
| gustavatmel | 1:9c5af431a1f1 | 389 | /* Set time-out interrupt comparator */ |
| gustavatmel | 1:9c5af431a1f1 | 390 | uart->TOUT = (uart->TOUT & ~UART_TOUT_TOIC_Msk) | (u32TOC); |
| gustavatmel | 1:9c5af431a1f1 | 391 | |
| gustavatmel | 1:9c5af431a1f1 | 392 | /* Set time-out counter enable */ |
| gustavatmel | 1:9c5af431a1f1 | 393 | uart->INTEN |= UART_INTEN_TOCNTEN_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 394 | } |
| gustavatmel | 1:9c5af431a1f1 | 395 | |
| gustavatmel | 1:9c5af431a1f1 | 396 | |
| gustavatmel | 1:9c5af431a1f1 | 397 | /** |
| gustavatmel | 1:9c5af431a1f1 | 398 | * @brief Select and configure IrDA function |
| gustavatmel | 1:9c5af431a1f1 | 399 | * |
| gustavatmel | 1:9c5af431a1f1 | 400 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 401 | * @param[in] u32Buadrate The baudrate of UART module. |
| gustavatmel | 1:9c5af431a1f1 | 402 | * @param[in] u32Direction The direction of UART module in IrDA mode: |
| gustavatmel | 1:9c5af431a1f1 | 403 | * - \ref UART_IRDA_TXEN |
| gustavatmel | 1:9c5af431a1f1 | 404 | * - \ref UART_IRDA_RXEN |
| gustavatmel | 1:9c5af431a1f1 | 405 | * |
| gustavatmel | 1:9c5af431a1f1 | 406 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 407 | * |
| gustavatmel | 1:9c5af431a1f1 | 408 | * @details The function is used to configure IrDA relative settings. It consists of TX or RX mode and baudrate. |
| gustavatmel | 1:9c5af431a1f1 | 409 | */ |
| gustavatmel | 1:9c5af431a1f1 | 410 | void UART_SelectIrDAMode(UART_T* uart, uint32_t u32Buadrate, uint32_t u32Direction) |
| gustavatmel | 1:9c5af431a1f1 | 411 | { |
| gustavatmel | 1:9c5af431a1f1 | 412 | uint32_t u32UartClkSrcSel=0ul, u32UartClkDivNum=0ul; |
| gustavatmel | 1:9c5af431a1f1 | 413 | uint32_t u32ClkTbl[4ul] = {__HXT, 0ul, __LXT, __HIRC}; |
| gustavatmel | 1:9c5af431a1f1 | 414 | uint32_t u32Baud_Div; |
| gustavatmel | 1:9c5af431a1f1 | 415 | |
| gustavatmel | 1:9c5af431a1f1 | 416 | /* Select IrDA function mode */ |
| gustavatmel | 1:9c5af431a1f1 | 417 | uart->FUNCSEL = UART_FUNCSEL_IrDA; |
| gustavatmel | 1:9c5af431a1f1 | 418 | |
| gustavatmel | 1:9c5af431a1f1 | 419 | |
| gustavatmel | 1:9c5af431a1f1 | 420 | if(uart==UART0) { |
| gustavatmel | 1:9c5af431a1f1 | 421 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 422 | u32UartClkSrcSel = (CLK->CLKSEL1 & CLK_CLKSEL1_UART0SEL_Msk) >> CLK_CLKSEL1_UART0SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 423 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 424 | u32UartClkDivNum = (CLK->CLKDIV0 & CLK_CLKDIV0_UART0DIV_Msk) >> CLK_CLKDIV0_UART0DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 425 | } else if(uart==UART1) { |
| gustavatmel | 1:9c5af431a1f1 | 426 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 427 | u32UartClkSrcSel = (CLK->CLKSEL1 & CLK_CLKSEL1_UART1SEL_Msk) >> CLK_CLKSEL1_UART1SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 428 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 429 | u32UartClkDivNum = (CLK->CLKDIV0 & CLK_CLKDIV0_UART1DIV_Msk) >> CLK_CLKDIV0_UART1DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 430 | } else if(uart==UART2) { |
| gustavatmel | 1:9c5af431a1f1 | 431 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 432 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART2SEL_Msk) >> CLK_CLKSEL3_UART2SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 433 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 434 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART2DIV_Msk) >> CLK_CLKDIV4_UART2DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 435 | } else if(uart==UART3) { |
| gustavatmel | 1:9c5af431a1f1 | 436 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 437 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART3SEL_Msk) >> CLK_CLKSEL3_UART3SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 438 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 439 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART3DIV_Msk) >> CLK_CLKDIV4_UART3DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 440 | } else if(uart==UART4) { |
| gustavatmel | 1:9c5af431a1f1 | 441 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 442 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART4SEL_Msk) >> CLK_CLKSEL3_UART4SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 443 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 444 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART4DIV_Msk) >> CLK_CLKDIV4_UART4DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 445 | } else if(uart==UART5) { |
| gustavatmel | 1:9c5af431a1f1 | 446 | /* Get UART clock source selection */ |
| gustavatmel | 1:9c5af431a1f1 | 447 | u32UartClkSrcSel = (CLK->CLKSEL3 & CLK_CLKSEL3_UART5SEL_Msk) >> CLK_CLKSEL3_UART5SEL_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 448 | /* Get UART clock divider number */ |
| gustavatmel | 1:9c5af431a1f1 | 449 | u32UartClkDivNum = (CLK->CLKDIV4 & CLK_CLKDIV4_UART5DIV_Msk) >> CLK_CLKDIV4_UART5DIV_Pos; |
| gustavatmel | 1:9c5af431a1f1 | 450 | } |
| gustavatmel | 1:9c5af431a1f1 | 451 | |
| gustavatmel | 1:9c5af431a1f1 | 452 | |
| gustavatmel | 1:9c5af431a1f1 | 453 | /* Get PLL clock frequency if UART clock source selection is PLL */ |
| gustavatmel | 1:9c5af431a1f1 | 454 | if(u32UartClkSrcSel == 1ul) { |
| gustavatmel | 1:9c5af431a1f1 | 455 | u32ClkTbl[u32UartClkSrcSel] = CLK_GetPLLClockFreq(); |
| gustavatmel | 1:9c5af431a1f1 | 456 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 457 | } |
| gustavatmel | 1:9c5af431a1f1 | 458 | |
| gustavatmel | 1:9c5af431a1f1 | 459 | /* Set UART IrDA baud rate in mode 0 */ |
| gustavatmel | 1:9c5af431a1f1 | 460 | if(u32Buadrate != 0ul) { |
| gustavatmel | 1:9c5af431a1f1 | 461 | u32Baud_Div = UART_BAUD_MODE0_DIVIDER((u32ClkTbl[u32UartClkSrcSel]) / (u32UartClkDivNum + 1ul), u32Buadrate); |
| gustavatmel | 1:9c5af431a1f1 | 462 | |
| gustavatmel | 1:9c5af431a1f1 | 463 | if(u32Baud_Div < 0xFFFFul) { |
| gustavatmel | 1:9c5af431a1f1 | 464 | uart->BAUD = (UART_BAUD_MODE0 | u32Baud_Div); |
| gustavatmel | 1:9c5af431a1f1 | 465 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 466 | } |
| gustavatmel | 1:9c5af431a1f1 | 467 | } |
| gustavatmel | 1:9c5af431a1f1 | 468 | |
| gustavatmel | 1:9c5af431a1f1 | 469 | /* Configure IrDA relative settings */ |
| gustavatmel | 1:9c5af431a1f1 | 470 | if(u32Direction == UART_IRDA_RXEN) { |
| gustavatmel | 1:9c5af431a1f1 | 471 | uart->IRDA |= UART_IRDA_RXINV_Msk; /*Rx signal is inverse*/ |
| gustavatmel | 1:9c5af431a1f1 | 472 | uart->IRDA &= ~UART_IRDA_TXEN_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 473 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 474 | uart->IRDA &= ~UART_IRDA_TXINV_Msk; /*Tx signal is not inverse*/ |
| gustavatmel | 1:9c5af431a1f1 | 475 | uart->IRDA |= UART_IRDA_TXEN_Msk; |
| gustavatmel | 1:9c5af431a1f1 | 476 | } |
| gustavatmel | 1:9c5af431a1f1 | 477 | |
| gustavatmel | 1:9c5af431a1f1 | 478 | } |
| gustavatmel | 1:9c5af431a1f1 | 479 | |
| gustavatmel | 1:9c5af431a1f1 | 480 | |
| gustavatmel | 1:9c5af431a1f1 | 481 | /** |
| gustavatmel | 1:9c5af431a1f1 | 482 | * @brief Select and configure RS485 function |
| gustavatmel | 1:9c5af431a1f1 | 483 | * |
| gustavatmel | 1:9c5af431a1f1 | 484 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 485 | * @param[in] u32Mode The operation mode(NMM/AUD/AAD). |
| gustavatmel | 1:9c5af431a1f1 | 486 | * - \ref UART_ALTCTL_RS485NMM_Msk |
| gustavatmel | 1:9c5af431a1f1 | 487 | * - \ref UART_ALTCTL_RS485AUD_Msk |
| gustavatmel | 1:9c5af431a1f1 | 488 | * - \ref UART_ALTCTL_RS485AAD_Msk |
| gustavatmel | 1:9c5af431a1f1 | 489 | * @param[in] u32Addr The RS485 address. |
| gustavatmel | 1:9c5af431a1f1 | 490 | * |
| gustavatmel | 1:9c5af431a1f1 | 491 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 492 | * |
| gustavatmel | 1:9c5af431a1f1 | 493 | * @details The function is used to set RS485 relative setting. |
| gustavatmel | 1:9c5af431a1f1 | 494 | */ |
| gustavatmel | 1:9c5af431a1f1 | 495 | void UART_SelectRS485Mode(UART_T* uart, uint32_t u32Mode, uint32_t u32Addr) |
| gustavatmel | 1:9c5af431a1f1 | 496 | { |
| gustavatmel | 1:9c5af431a1f1 | 497 | /* Select UART RS485 function mode */ |
| gustavatmel | 1:9c5af431a1f1 | 498 | uart->FUNCSEL = UART_FUNCSEL_RS485; |
| gustavatmel | 1:9c5af431a1f1 | 499 | |
| gustavatmel | 1:9c5af431a1f1 | 500 | /* Set RS585 configuration */ |
| gustavatmel | 1:9c5af431a1f1 | 501 | uart->ALTCTL &= ~(UART_ALTCTL_RS485NMM_Msk | UART_ALTCTL_RS485AUD_Msk | UART_ALTCTL_RS485AAD_Msk | UART_ALTCTL_ADDRMV_Msk); |
| gustavatmel | 1:9c5af431a1f1 | 502 | uart->ALTCTL |= (u32Mode | (u32Addr << UART_ALTCTL_ADDRMV_Pos)); |
| gustavatmel | 1:9c5af431a1f1 | 503 | } |
| gustavatmel | 1:9c5af431a1f1 | 504 | |
| gustavatmel | 1:9c5af431a1f1 | 505 | |
| gustavatmel | 1:9c5af431a1f1 | 506 | /** |
| gustavatmel | 1:9c5af431a1f1 | 507 | * @brief Select and configure LIN function |
| gustavatmel | 1:9c5af431a1f1 | 508 | * |
| gustavatmel | 1:9c5af431a1f1 | 509 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 510 | * @param[in] u32Mode The LIN direction : |
| gustavatmel | 1:9c5af431a1f1 | 511 | * - \ref UART_ALTCTL_LINTXEN_Msk |
| gustavatmel | 1:9c5af431a1f1 | 512 | * - \ref UART_ALTCTL_LINRXEN_Msk |
| gustavatmel | 1:9c5af431a1f1 | 513 | * @param[in] u32BreakLength The break field length. |
| gustavatmel | 1:9c5af431a1f1 | 514 | * |
| gustavatmel | 1:9c5af431a1f1 | 515 | * @return None |
| gustavatmel | 1:9c5af431a1f1 | 516 | * |
| gustavatmel | 1:9c5af431a1f1 | 517 | * @details The function is used to set LIN relative setting. |
| gustavatmel | 1:9c5af431a1f1 | 518 | */ |
| gustavatmel | 1:9c5af431a1f1 | 519 | void UART_SelectLINMode(UART_T* uart, uint32_t u32Mode, uint32_t u32BreakLength) |
| gustavatmel | 1:9c5af431a1f1 | 520 | { |
| gustavatmel | 1:9c5af431a1f1 | 521 | /* Select LIN function mode */ |
| gustavatmel | 1:9c5af431a1f1 | 522 | uart->FUNCSEL = UART_FUNCSEL_LIN; |
| gustavatmel | 1:9c5af431a1f1 | 523 | |
| gustavatmel | 1:9c5af431a1f1 | 524 | /* Select LIN function setting : Tx enable, Rx enable and break field length */ |
| gustavatmel | 1:9c5af431a1f1 | 525 | uart->ALTCTL &= ~(UART_ALTCTL_LINTXEN_Msk | UART_ALTCTL_LINRXEN_Msk | UART_ALTCTL_BRKFL_Msk); |
| gustavatmel | 1:9c5af431a1f1 | 526 | uart->ALTCTL |= (u32Mode | (u32BreakLength << UART_ALTCTL_BRKFL_Pos)); |
| gustavatmel | 1:9c5af431a1f1 | 527 | } |
| gustavatmel | 1:9c5af431a1f1 | 528 | |
| gustavatmel | 1:9c5af431a1f1 | 529 | |
| gustavatmel | 1:9c5af431a1f1 | 530 | /** |
| gustavatmel | 1:9c5af431a1f1 | 531 | * @brief Write UART data |
| gustavatmel | 1:9c5af431a1f1 | 532 | * |
| gustavatmel | 1:9c5af431a1f1 | 533 | * @param[in] uart The pointer of the specified UART module. |
| gustavatmel | 1:9c5af431a1f1 | 534 | * @param[in] pu8TxBuf The buffer to send the data to UART transmission FIFO. |
| gustavatmel | 1:9c5af431a1f1 | 535 | * @param[out] u32WriteBytes The byte number of data. |
| gustavatmel | 1:9c5af431a1f1 | 536 | * |
| gustavatmel | 1:9c5af431a1f1 | 537 | * @return u32Count transfer byte count |
| gustavatmel | 1:9c5af431a1f1 | 538 | * |
| gustavatmel | 1:9c5af431a1f1 | 539 | * @details The function is to write data into TX buffer to transmit data by UART. |
| gustavatmel | 1:9c5af431a1f1 | 540 | */ |
| gustavatmel | 1:9c5af431a1f1 | 541 | uint32_t UART_Write(UART_T* uart, uint8_t pu8TxBuf[], uint32_t u32WriteBytes) |
| gustavatmel | 1:9c5af431a1f1 | 542 | { |
| gustavatmel | 1:9c5af431a1f1 | 543 | uint32_t u32Count, u32delayno; |
| gustavatmel | 1:9c5af431a1f1 | 544 | uint32_t u32Exit = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 545 | |
| gustavatmel | 1:9c5af431a1f1 | 546 | for(u32Count = 0ul; u32Count != u32WriteBytes; u32Count++) { |
| gustavatmel | 1:9c5af431a1f1 | 547 | u32delayno = 0ul; |
| gustavatmel | 1:9c5af431a1f1 | 548 | while((uart->FIFOSTS & UART_FIFOSTS_TXEMPTYF_Msk) == 0ul) { /* Wait Tx empty and Time-out manner */ |
| gustavatmel | 1:9c5af431a1f1 | 549 | u32delayno++; |
| gustavatmel | 1:9c5af431a1f1 | 550 | if(u32delayno >= 0x40000000ul) { |
| gustavatmel | 1:9c5af431a1f1 | 551 | u32Exit = 1ul; |
| gustavatmel | 1:9c5af431a1f1 | 552 | break; |
| gustavatmel | 1:9c5af431a1f1 | 553 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 554 | } |
| gustavatmel | 1:9c5af431a1f1 | 555 | } |
| gustavatmel | 1:9c5af431a1f1 | 556 | |
| gustavatmel | 1:9c5af431a1f1 | 557 | if(u32Exit == 1ul) { |
| gustavatmel | 1:9c5af431a1f1 | 558 | break; |
| gustavatmel | 1:9c5af431a1f1 | 559 | } else { |
| gustavatmel | 1:9c5af431a1f1 | 560 | uart->DAT = pu8TxBuf[u32Count]; /* Send UART Data from buffer */ |
| gustavatmel | 1:9c5af431a1f1 | 561 | } |
| gustavatmel | 1:9c5af431a1f1 | 562 | } |
| gustavatmel | 1:9c5af431a1f1 | 563 | |
| gustavatmel | 1:9c5af431a1f1 | 564 | return u32Count; |
| gustavatmel | 1:9c5af431a1f1 | 565 | |
| gustavatmel | 1:9c5af431a1f1 | 566 | } |
| gustavatmel | 1:9c5af431a1f1 | 567 | |
| gustavatmel | 1:9c5af431a1f1 | 568 | |
| gustavatmel | 1:9c5af431a1f1 | 569 | /*@}*/ /* end of group M480_UART_EXPORTED_FUNCTIONS */ |
| gustavatmel | 1:9c5af431a1f1 | 570 | |
| gustavatmel | 1:9c5af431a1f1 | 571 | /*@}*/ /* end of group M480_UART_Driver */ |
| gustavatmel | 1:9c5af431a1f1 | 572 | |
| gustavatmel | 1:9c5af431a1f1 | 573 | /*@}*/ /* end of group M480_Device_Driver */ |
| gustavatmel | 1:9c5af431a1f1 | 574 | |
| gustavatmel | 1:9c5af431a1f1 | 575 | /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/ |
| gustavatmel | 1:9c5af431a1f1 | 576 | |
| gustavatmel | 1:9c5af431a1f1 | 577 | |
| gustavatmel | 1:9c5af431a1f1 | 578 |