Fork of mbed-src file paths change. LPC1114FN28 use only.
Fork of mbed-src by
Information
この情報は2013/10/28時点での解決方法です。
現在はmbed-src、標準ライブラリで問題なくコンパイルが可能です。
・使う物
LPC1114FN28
mbed SDK
LPC1114FN28でmbed-SDKのLibraryを使うとCompile出来ない。(2013/10/28)
パスが通ってないだけのようなのでファイルを以下に移動する。
mbed-src\targets\cmsis\TARGET_NXP\TARGET_LPC11XX_11CXX\ mbed-src\targets\cmsis\TARGET_NXP\TARGET_LPC11XX_11CXX\TARGET_LPC11XX\ |
にあるファイルをすべて
mbed-src\targets\cmsis\TARGET_NXP\ |
へ移動
mbed-src\targets\cmsis\TARGET_NXP\TARGET_LPC11XX_11CXX\にある
TOOLCHAIN_ARM_MICRO |
をフォルダごと
mbed-src\targets\cmsis\TARGET_NXP\ |
へ移動
mbed-src\targets\hal\TARGET_NXP\TARGET_LPC11XX_11CXX\ mbed-src\targets\hal\TARGET_NXP\TARGET_LPC11XX_11CXX\TARGET_LPC11XX\ |
にあるファイルをすべて
mbed-src\targets\hal\TARGET_NXP\ |
へ移動
移動後は以下のような構成になると思います。
※不要なファイルは削除してあります。
![]() |
ファイルの移動が面倒なので以下に本家からフォークしたライブラリを置いておきます。
Import librarymbed-src-LPC1114FN28
Fork of mbed-src file paths change. LPC1114FN28 use only.
エラーが出力される場合
"TOOLCHAIN_ARM_MICRO"が無いとエラーになる。
Error: Undefined symbol _initial_sp (referred from entry2.o). Error: Undefined symbol _heap_base (referred from malloc.o). Error: Undefined symbol _heap_limit (referred from malloc.o). |
LPC1114FN28はMicrolibを使ってCompileされるため上記のエラーになるようです。
targets/hal/TARGET_Freescale/TARGET_KL46Z/serial_api.c@33:e214068ab66c, 2013-10-07 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Oct 07 09:15:08 2013 +0100
- Revision:
- 33:e214068ab66c
- Parent:
- 31:42176bc3c368
Synchronized with git revision 53edc82f7373bbfa01a161700524765f52fdb444
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 31:42176bc3c368 | 1 | /* mbed Microcontroller Library |
mbed_official | 31:42176bc3c368 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 31:42176bc3c368 | 3 | * |
mbed_official | 31:42176bc3c368 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 31:42176bc3c368 | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 31:42176bc3c368 | 6 | * You may obtain a copy of the License at |
mbed_official | 31:42176bc3c368 | 7 | * |
mbed_official | 31:42176bc3c368 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 31:42176bc3c368 | 9 | * |
mbed_official | 31:42176bc3c368 | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 31:42176bc3c368 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 31:42176bc3c368 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 31:42176bc3c368 | 13 | * See the License for the specific language governing permissions and |
mbed_official | 31:42176bc3c368 | 14 | * limitations under the License. |
mbed_official | 31:42176bc3c368 | 15 | */ |
mbed_official | 31:42176bc3c368 | 16 | #include "serial_api.h" |
mbed_official | 31:42176bc3c368 | 17 | |
mbed_official | 31:42176bc3c368 | 18 | // math.h required for floating point operations for baud rate calculation |
mbed_official | 31:42176bc3c368 | 19 | #include <math.h> |
mbed_official | 31:42176bc3c368 | 20 | |
mbed_official | 31:42176bc3c368 | 21 | #include <string.h> |
mbed_official | 31:42176bc3c368 | 22 | |
mbed_official | 31:42176bc3c368 | 23 | #include "cmsis.h" |
mbed_official | 31:42176bc3c368 | 24 | #include "pinmap.h" |
mbed_official | 31:42176bc3c368 | 25 | #include "error.h" |
mbed_official | 31:42176bc3c368 | 26 | |
mbed_official | 31:42176bc3c368 | 27 | /****************************************************************************** |
mbed_official | 31:42176bc3c368 | 28 | * INITIALIZATION |
mbed_official | 31:42176bc3c368 | 29 | ******************************************************************************/ |
mbed_official | 31:42176bc3c368 | 30 | static const PinMap PinMap_UART_TX[] = { |
mbed_official | 33:e214068ab66c | 31 | {PTA2, UART_0, 2}, |
mbed_official | 33:e214068ab66c | 32 | {PTA14, UART_0, 3}, |
mbed_official | 31:42176bc3c368 | 33 | {PTC4, UART_1, 3}, |
mbed_official | 33:e214068ab66c | 34 | {PTD3, UART_2, 3}, |
mbed_official | 31:42176bc3c368 | 35 | {PTD5, UART_2, 3}, |
mbed_official | 31:42176bc3c368 | 36 | {PTD7, UART_0, 3}, |
mbed_official | 33:e214068ab66c | 37 | {PTE0, UART_1, 3}, |
mbed_official | 33:e214068ab66c | 38 | {PTE16, UART_2, 3}, |
mbed_official | 31:42176bc3c368 | 39 | {PTE20, UART_0, 4}, |
mbed_official | 31:42176bc3c368 | 40 | {PTE22, UART_2, 4}, |
mbed_official | 31:42176bc3c368 | 41 | {NC , NC , 0} |
mbed_official | 31:42176bc3c368 | 42 | }; |
mbed_official | 31:42176bc3c368 | 43 | |
mbed_official | 31:42176bc3c368 | 44 | static const PinMap PinMap_UART_RX[] = { |
mbed_official | 33:e214068ab66c | 45 | {PTA1, UART_0, 2}, |
mbed_official | 33:e214068ab66c | 46 | {PTA15, UART_0, 3}, |
mbed_official | 31:42176bc3c368 | 47 | {PTC3, UART_1, 3}, |
mbed_official | 31:42176bc3c368 | 48 | {PTD2, UART_2, 3}, |
mbed_official | 33:e214068ab66c | 49 | {PTD4, UART_2, 3}, |
mbed_official | 31:42176bc3c368 | 50 | {PTD6, UART_0, 3}, |
mbed_official | 33:e214068ab66c | 51 | {PTE1, UART_1, 3}, |
mbed_official | 33:e214068ab66c | 52 | {PTE17, UART_2, 3}, |
mbed_official | 33:e214068ab66c | 53 | {PTE21, UART_0, 4}, |
mbed_official | 31:42176bc3c368 | 54 | {PTE23, UART_2, 4}, |
mbed_official | 31:42176bc3c368 | 55 | {NC , NC , 0} |
mbed_official | 31:42176bc3c368 | 56 | }; |
mbed_official | 31:42176bc3c368 | 57 | |
mbed_official | 31:42176bc3c368 | 58 | #define UART_NUM 3 |
mbed_official | 31:42176bc3c368 | 59 | static uint32_t serial_irq_ids[UART_NUM] = {0}; |
mbed_official | 31:42176bc3c368 | 60 | static uart_irq_handler irq_handler; |
mbed_official | 31:42176bc3c368 | 61 | |
mbed_official | 31:42176bc3c368 | 62 | int stdio_uart_inited = 0; |
mbed_official | 31:42176bc3c368 | 63 | serial_t stdio_uart; |
mbed_official | 31:42176bc3c368 | 64 | |
mbed_official | 31:42176bc3c368 | 65 | void serial_init(serial_t *obj, PinName tx, PinName rx) { |
mbed_official | 31:42176bc3c368 | 66 | // determine the UART to use |
mbed_official | 31:42176bc3c368 | 67 | UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); |
mbed_official | 31:42176bc3c368 | 68 | UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); |
mbed_official | 31:42176bc3c368 | 69 | UARTName uart = (UARTName)pinmap_merge(uart_tx, uart_rx); |
mbed_official | 31:42176bc3c368 | 70 | if ((int)uart == NC) { |
mbed_official | 31:42176bc3c368 | 71 | error("Serial pinout mapping failed"); |
mbed_official | 31:42176bc3c368 | 72 | } |
mbed_official | 31:42176bc3c368 | 73 | |
mbed_official | 31:42176bc3c368 | 74 | obj->uart = (UARTLP_Type *)uart; |
mbed_official | 31:42176bc3c368 | 75 | // enable clk |
mbed_official | 31:42176bc3c368 | 76 | switch (uart) { |
mbed_official | 31:42176bc3c368 | 77 | case UART_0: SIM->SOPT2 |= SIM_SOPT2_PLLFLLSEL_MASK | (1<<SIM_SOPT2_UART0SRC_SHIFT); |
mbed_official | 31:42176bc3c368 | 78 | SIM->SCGC5 |= SIM_SCGC5_PORTA_MASK; SIM->SCGC4 |= SIM_SCGC4_UART0_MASK; break; |
mbed_official | 31:42176bc3c368 | 79 | case UART_1: SIM->SCGC5 |= SIM_SCGC5_PORTC_MASK; SIM->SCGC4 |= SIM_SCGC4_UART1_MASK; break; |
mbed_official | 31:42176bc3c368 | 80 | case UART_2: SIM->SCGC5 |= SIM_SCGC5_PORTD_MASK; SIM->SCGC4 |= SIM_SCGC4_UART2_MASK; break; |
mbed_official | 31:42176bc3c368 | 81 | } |
mbed_official | 31:42176bc3c368 | 82 | // Disable UART before changing registers |
mbed_official | 31:42176bc3c368 | 83 | obj->uart->C2 &= ~(UART_C2_RE_MASK | UART_C2_TE_MASK); |
mbed_official | 33:e214068ab66c | 84 | |
mbed_official | 31:42176bc3c368 | 85 | switch (uart) { |
mbed_official | 31:42176bc3c368 | 86 | case UART_0: obj->index = 0; break; |
mbed_official | 31:42176bc3c368 | 87 | case UART_1: obj->index = 1; break; |
mbed_official | 31:42176bc3c368 | 88 | case UART_2: obj->index = 2; break; |
mbed_official | 31:42176bc3c368 | 89 | } |
mbed_official | 31:42176bc3c368 | 90 | |
mbed_official | 31:42176bc3c368 | 91 | // set default baud rate and format |
mbed_official | 31:42176bc3c368 | 92 | serial_baud (obj, 9600); |
mbed_official | 31:42176bc3c368 | 93 | serial_format(obj, 8, ParityNone, 1); |
mbed_official | 31:42176bc3c368 | 94 | |
mbed_official | 31:42176bc3c368 | 95 | // pinout the chosen uart |
mbed_official | 31:42176bc3c368 | 96 | pinmap_pinout(tx, PinMap_UART_TX); |
mbed_official | 31:42176bc3c368 | 97 | pinmap_pinout(rx, PinMap_UART_RX); |
mbed_official | 31:42176bc3c368 | 98 | |
mbed_official | 31:42176bc3c368 | 99 | // set rx/tx pins in PullUp mode |
mbed_official | 31:42176bc3c368 | 100 | pin_mode(tx, PullUp); |
mbed_official | 31:42176bc3c368 | 101 | pin_mode(rx, PullUp); |
mbed_official | 31:42176bc3c368 | 102 | |
mbed_official | 31:42176bc3c368 | 103 | obj->uart->C2 |= (UART_C2_RE_MASK | UART_C2_TE_MASK); |
mbed_official | 31:42176bc3c368 | 104 | |
mbed_official | 31:42176bc3c368 | 105 | if (uart == STDIO_UART) { |
mbed_official | 31:42176bc3c368 | 106 | stdio_uart_inited = 1; |
mbed_official | 31:42176bc3c368 | 107 | memcpy(&stdio_uart, obj, sizeof(serial_t)); |
mbed_official | 31:42176bc3c368 | 108 | } |
mbed_official | 31:42176bc3c368 | 109 | } |
mbed_official | 31:42176bc3c368 | 110 | |
mbed_official | 31:42176bc3c368 | 111 | void serial_free(serial_t *obj) { |
mbed_official | 31:42176bc3c368 | 112 | serial_irq_ids[obj->index] = 0; |
mbed_official | 31:42176bc3c368 | 113 | } |
mbed_official | 31:42176bc3c368 | 114 | |
mbed_official | 31:42176bc3c368 | 115 | // serial_baud |
mbed_official | 31:42176bc3c368 | 116 | // |
mbed_official | 31:42176bc3c368 | 117 | // set the baud rate, taking in to account the current SystemFrequency |
mbed_official | 31:42176bc3c368 | 118 | // |
mbed_official | 31:42176bc3c368 | 119 | // The LPC2300 and LPC1700 have a divider and a fractional divider to control the |
mbed_official | 31:42176bc3c368 | 120 | // baud rate. The formula is: |
mbed_official | 31:42176bc3c368 | 121 | // |
mbed_official | 31:42176bc3c368 | 122 | // Baudrate = (1 / PCLK) * 16 * DL * (1 + DivAddVal / MulVal) |
mbed_official | 31:42176bc3c368 | 123 | // where: |
mbed_official | 31:42176bc3c368 | 124 | // 1 < MulVal <= 15 |
mbed_official | 31:42176bc3c368 | 125 | // 0 <= DivAddVal < 14 |
mbed_official | 31:42176bc3c368 | 126 | // DivAddVal < MulVal |
mbed_official | 31:42176bc3c368 | 127 | // |
mbed_official | 31:42176bc3c368 | 128 | void serial_baud(serial_t *obj, int baudrate) { |
mbed_official | 33:e214068ab66c | 129 | |
mbed_official | 31:42176bc3c368 | 130 | // save C2 state |
mbed_official | 31:42176bc3c368 | 131 | uint8_t c2_state = (obj->uart->C2 & (UART_C2_RE_MASK | UART_C2_TE_MASK)); |
mbed_official | 33:e214068ab66c | 132 | |
mbed_official | 31:42176bc3c368 | 133 | // Disable UART before changing registers |
mbed_official | 31:42176bc3c368 | 134 | obj->uart->C2 &= ~(UART_C2_RE_MASK | UART_C2_TE_MASK); |
mbed_official | 33:e214068ab66c | 135 | |
mbed_official | 31:42176bc3c368 | 136 | // [TODO] not hardcode this value |
mbed_official | 31:42176bc3c368 | 137 | uint32_t PCLK = (obj->uart == UART0) ? 48000000u : 24000000u; |
mbed_official | 31:42176bc3c368 | 138 | |
mbed_official | 31:42176bc3c368 | 139 | // First we check to see if the basic divide with no DivAddVal/MulVal |
mbed_official | 31:42176bc3c368 | 140 | // ratio gives us an integer result. If it does, we set DivAddVal = 0, |
mbed_official | 31:42176bc3c368 | 141 | // MulVal = 1. Otherwise, we search the valid ratio value range to find |
mbed_official | 31:42176bc3c368 | 142 | // the closest match. This could be more elegant, using search methods |
mbed_official | 31:42176bc3c368 | 143 | // and/or lookup tables, but the brute force method is not that much |
mbed_official | 31:42176bc3c368 | 144 | // slower, and is more maintainable. |
mbed_official | 31:42176bc3c368 | 145 | uint16_t DL = PCLK / (16 * baudrate); |
mbed_official | 31:42176bc3c368 | 146 | |
mbed_official | 31:42176bc3c368 | 147 | // set BDH and BDL |
mbed_official | 31:42176bc3c368 | 148 | obj->uart->BDH = (obj->uart->BDH & ~(0x1f)) | ((DL >> 8) & 0x1f); |
mbed_official | 31:42176bc3c368 | 149 | obj->uart->BDL = (obj->uart->BDL & ~(0xff)) | ((DL >> 0) & 0xff); |
mbed_official | 33:e214068ab66c | 150 | |
mbed_official | 31:42176bc3c368 | 151 | // restore C2 state |
mbed_official | 31:42176bc3c368 | 152 | obj->uart->C2 |= c2_state; |
mbed_official | 31:42176bc3c368 | 153 | } |
mbed_official | 31:42176bc3c368 | 154 | |
mbed_official | 31:42176bc3c368 | 155 | void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) { |
mbed_official | 31:42176bc3c368 | 156 | uint8_t m10 = 0; |
mbed_official | 33:e214068ab66c | 157 | |
mbed_official | 31:42176bc3c368 | 158 | // save C2 state |
mbed_official | 31:42176bc3c368 | 159 | uint8_t c2_state = (obj->uart->C2 & (UART_C2_RE_MASK | UART_C2_TE_MASK)); |
mbed_official | 33:e214068ab66c | 160 | |
mbed_official | 31:42176bc3c368 | 161 | // Disable UART before changing registers |
mbed_official | 31:42176bc3c368 | 162 | obj->uart->C2 &= ~(UART_C2_RE_MASK | UART_C2_TE_MASK); |
mbed_official | 33:e214068ab66c | 163 | |
mbed_official | 31:42176bc3c368 | 164 | // 8 data bits = 0 ... 9 data bits = 1 |
mbed_official | 31:42176bc3c368 | 165 | if ((data_bits < 8) || (data_bits > 9)) { |
mbed_official | 31:42176bc3c368 | 166 | error("Invalid number of bits (%d) in serial format, should be 8..9\r\n", data_bits); |
mbed_official | 31:42176bc3c368 | 167 | } |
mbed_official | 31:42176bc3c368 | 168 | data_bits -= 8; |
mbed_official | 31:42176bc3c368 | 169 | |
mbed_official | 31:42176bc3c368 | 170 | uint8_t parity_enable, parity_select; |
mbed_official | 31:42176bc3c368 | 171 | switch (parity) { |
mbed_official | 31:42176bc3c368 | 172 | case ParityNone: parity_enable = 0; parity_select = 0; break; |
mbed_official | 31:42176bc3c368 | 173 | case ParityOdd : parity_enable = 1; parity_select = 1; data_bits++; break; |
mbed_official | 31:42176bc3c368 | 174 | case ParityEven: parity_enable = 1; parity_select = 0; data_bits++; break; |
mbed_official | 31:42176bc3c368 | 175 | default: |
mbed_official | 31:42176bc3c368 | 176 | error("Invalid serial parity setting\r\n"); |
mbed_official | 31:42176bc3c368 | 177 | return; |
mbed_official | 31:42176bc3c368 | 178 | } |
mbed_official | 31:42176bc3c368 | 179 | |
mbed_official | 31:42176bc3c368 | 180 | // 1 stop bits = 0, 2 stop bits = 1 |
mbed_official | 31:42176bc3c368 | 181 | if ((stop_bits != 1) && (stop_bits != 2)) { |
mbed_official | 31:42176bc3c368 | 182 | error("Invalid stop bits specified\r\n"); |
mbed_official | 31:42176bc3c368 | 183 | } |
mbed_official | 31:42176bc3c368 | 184 | stop_bits -= 1; |
mbed_official | 33:e214068ab66c | 185 | |
mbed_official | 31:42176bc3c368 | 186 | // 9 data bits + parity |
mbed_official | 31:42176bc3c368 | 187 | if (data_bits == 2) { |
mbed_official | 31:42176bc3c368 | 188 | // only uart0 supports 10 bit communication |
mbed_official | 31:42176bc3c368 | 189 | if (obj->index != 0) { |
mbed_official | 31:42176bc3c368 | 190 | error("Invalid number of bits (9) to be used with parity\r\n"); |
mbed_official | 31:42176bc3c368 | 191 | } |
mbed_official | 31:42176bc3c368 | 192 | data_bits = 0; |
mbed_official | 31:42176bc3c368 | 193 | m10 = 1; |
mbed_official | 31:42176bc3c368 | 194 | } |
mbed_official | 31:42176bc3c368 | 195 | |
mbed_official | 31:42176bc3c368 | 196 | // data bits, parity and parity mode |
mbed_official | 31:42176bc3c368 | 197 | obj->uart->C1 = ((data_bits << 4) |
mbed_official | 31:42176bc3c368 | 198 | | (parity_enable << 1) |
mbed_official | 31:42176bc3c368 | 199 | | (parity_select << 0)); |
mbed_official | 33:e214068ab66c | 200 | |
mbed_official | 31:42176bc3c368 | 201 | // enable 10bit mode if needed |
mbed_official | 31:42176bc3c368 | 202 | if (obj->index == 0) { |
mbed_official | 31:42176bc3c368 | 203 | obj->uart->C4 &= ~UARTLP_C4_M10_MASK; |
mbed_official | 31:42176bc3c368 | 204 | obj->uart->C4 |= (m10 << UARTLP_C4_M10_SHIFT); |
mbed_official | 31:42176bc3c368 | 205 | } |
mbed_official | 33:e214068ab66c | 206 | |
mbed_official | 31:42176bc3c368 | 207 | // stop bits |
mbed_official | 31:42176bc3c368 | 208 | obj->uart->BDH &= ~UART_BDH_SBNS_MASK; |
mbed_official | 31:42176bc3c368 | 209 | obj->uart->BDH |= (stop_bits << UART_BDH_SBNS_SHIFT); |
mbed_official | 33:e214068ab66c | 210 | |
mbed_official | 31:42176bc3c368 | 211 | // restore C2 state |
mbed_official | 31:42176bc3c368 | 212 | obj->uart->C2 |= c2_state; |
mbed_official | 31:42176bc3c368 | 213 | } |
mbed_official | 31:42176bc3c368 | 214 | |
mbed_official | 31:42176bc3c368 | 215 | /****************************************************************************** |
mbed_official | 31:42176bc3c368 | 216 | * INTERRUPTS HANDLING |
mbed_official | 31:42176bc3c368 | 217 | ******************************************************************************/ |
mbed_official | 31:42176bc3c368 | 218 | static inline void uart_irq(uint8_t status, uint32_t index) { |
mbed_official | 31:42176bc3c368 | 219 | if (serial_irq_ids[index] != 0) { |
mbed_official | 31:42176bc3c368 | 220 | if (status & UART_S1_TDRE_MASK) |
mbed_official | 31:42176bc3c368 | 221 | irq_handler(serial_irq_ids[index], TxIrq); |
mbed_official | 31:42176bc3c368 | 222 | |
mbed_official | 31:42176bc3c368 | 223 | if (status & UART_S1_RDRF_MASK) |
mbed_official | 31:42176bc3c368 | 224 | irq_handler(serial_irq_ids[index], RxIrq); |
mbed_official | 31:42176bc3c368 | 225 | } |
mbed_official | 31:42176bc3c368 | 226 | } |
mbed_official | 31:42176bc3c368 | 227 | |
mbed_official | 31:42176bc3c368 | 228 | void uart0_irq() { |
mbed_official | 31:42176bc3c368 | 229 | uart_irq(UART0->S1, 0); |
mbed_official | 31:42176bc3c368 | 230 | if (UART0->S1 & UART_S1_OR_MASK) |
mbed_official | 31:42176bc3c368 | 231 | UART0->S1 |= UART_S1_OR_MASK; |
mbed_official | 31:42176bc3c368 | 232 | } |
mbed_official | 31:42176bc3c368 | 233 | void uart1_irq() {uart_irq(UART1->S1, 1);} |
mbed_official | 31:42176bc3c368 | 234 | void uart2_irq() {uart_irq(UART2->S1, 2);} |
mbed_official | 31:42176bc3c368 | 235 | |
mbed_official | 31:42176bc3c368 | 236 | void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) { |
mbed_official | 31:42176bc3c368 | 237 | irq_handler = handler; |
mbed_official | 31:42176bc3c368 | 238 | serial_irq_ids[obj->index] = id; |
mbed_official | 31:42176bc3c368 | 239 | } |
mbed_official | 31:42176bc3c368 | 240 | |
mbed_official | 31:42176bc3c368 | 241 | void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) { |
mbed_official | 31:42176bc3c368 | 242 | IRQn_Type irq_n = (IRQn_Type)0; |
mbed_official | 31:42176bc3c368 | 243 | uint32_t vector = 0; |
mbed_official | 31:42176bc3c368 | 244 | switch ((int)obj->uart) { |
mbed_official | 31:42176bc3c368 | 245 | case UART_0: irq_n=UART0_IRQn; vector = (uint32_t)&uart0_irq; break; |
mbed_official | 31:42176bc3c368 | 246 | case UART_1: irq_n=UART1_IRQn; vector = (uint32_t)&uart1_irq; break; |
mbed_official | 31:42176bc3c368 | 247 | case UART_2: irq_n=UART2_IRQn; vector = (uint32_t)&uart2_irq; break; |
mbed_official | 31:42176bc3c368 | 248 | } |
mbed_official | 31:42176bc3c368 | 249 | |
mbed_official | 31:42176bc3c368 | 250 | if (enable) { |
mbed_official | 31:42176bc3c368 | 251 | switch (irq) { |
mbed_official | 31:42176bc3c368 | 252 | case RxIrq: obj->uart->C2 |= (UART_C2_RIE_MASK); break; |
mbed_official | 31:42176bc3c368 | 253 | case TxIrq: obj->uart->C2 |= (UART_C2_TIE_MASK); break; |
mbed_official | 31:42176bc3c368 | 254 | } |
mbed_official | 31:42176bc3c368 | 255 | NVIC_SetVector(irq_n, vector); |
mbed_official | 31:42176bc3c368 | 256 | NVIC_EnableIRQ(irq_n); |
mbed_official | 31:42176bc3c368 | 257 | |
mbed_official | 31:42176bc3c368 | 258 | } else { // disable |
mbed_official | 31:42176bc3c368 | 259 | int all_disabled = 0; |
mbed_official | 31:42176bc3c368 | 260 | SerialIrq other_irq = (irq == RxIrq) ? (TxIrq) : (RxIrq); |
mbed_official | 31:42176bc3c368 | 261 | switch (irq) { |
mbed_official | 31:42176bc3c368 | 262 | case RxIrq: obj->uart->C2 &= ~(UART_C2_RIE_MASK); break; |
mbed_official | 31:42176bc3c368 | 263 | case TxIrq: obj->uart->C2 &= ~(UART_C2_TIE_MASK); break; |
mbed_official | 31:42176bc3c368 | 264 | } |
mbed_official | 31:42176bc3c368 | 265 | switch (other_irq) { |
mbed_official | 31:42176bc3c368 | 266 | case RxIrq: all_disabled = (obj->uart->C2 & (UART_C2_RIE_MASK)) == 0; break; |
mbed_official | 31:42176bc3c368 | 267 | case TxIrq: all_disabled = (obj->uart->C2 & (UART_C2_TIE_MASK)) == 0; break; |
mbed_official | 31:42176bc3c368 | 268 | } |
mbed_official | 31:42176bc3c368 | 269 | if (all_disabled) |
mbed_official | 31:42176bc3c368 | 270 | NVIC_DisableIRQ(irq_n); |
mbed_official | 31:42176bc3c368 | 271 | } |
mbed_official | 31:42176bc3c368 | 272 | } |
mbed_official | 31:42176bc3c368 | 273 | |
mbed_official | 31:42176bc3c368 | 274 | /****************************************************************************** |
mbed_official | 31:42176bc3c368 | 275 | * READ/WRITE |
mbed_official | 31:42176bc3c368 | 276 | ******************************************************************************/ |
mbed_official | 31:42176bc3c368 | 277 | int serial_getc(serial_t *obj) { |
mbed_official | 31:42176bc3c368 | 278 | while (!serial_readable(obj)); |
mbed_official | 31:42176bc3c368 | 279 | return obj->uart->D; |
mbed_official | 31:42176bc3c368 | 280 | } |
mbed_official | 31:42176bc3c368 | 281 | |
mbed_official | 31:42176bc3c368 | 282 | void serial_putc(serial_t *obj, int c) { |
mbed_official | 31:42176bc3c368 | 283 | while (!serial_writable(obj)); |
mbed_official | 31:42176bc3c368 | 284 | obj->uart->D = c; |
mbed_official | 31:42176bc3c368 | 285 | } |
mbed_official | 31:42176bc3c368 | 286 | |
mbed_official | 31:42176bc3c368 | 287 | int serial_readable(serial_t *obj) { |
mbed_official | 31:42176bc3c368 | 288 | // check overrun |
mbed_official | 31:42176bc3c368 | 289 | if (obj->uart->S1 & UART_S1_OR_MASK) { |
mbed_official | 31:42176bc3c368 | 290 | obj->uart->S1 |= UART_S1_OR_MASK; |
mbed_official | 31:42176bc3c368 | 291 | } |
mbed_official | 31:42176bc3c368 | 292 | return (obj->uart->S1 & UART_S1_RDRF_MASK); |
mbed_official | 31:42176bc3c368 | 293 | } |
mbed_official | 31:42176bc3c368 | 294 | |
mbed_official | 31:42176bc3c368 | 295 | int serial_writable(serial_t *obj) { |
mbed_official | 31:42176bc3c368 | 296 | // check overrun |
mbed_official | 31:42176bc3c368 | 297 | if (obj->uart->S1 & UART_S1_OR_MASK) { |
mbed_official | 31:42176bc3c368 | 298 | obj->uart->S1 |= UART_S1_OR_MASK; |
mbed_official | 31:42176bc3c368 | 299 | } |
mbed_official | 31:42176bc3c368 | 300 | return (obj->uart->S1 & UART_S1_TDRE_MASK); |
mbed_official | 31:42176bc3c368 | 301 | } |
mbed_official | 31:42176bc3c368 | 302 | |
mbed_official | 31:42176bc3c368 | 303 | void serial_clear(serial_t *obj) { |
mbed_official | 31:42176bc3c368 | 304 | } |
mbed_official | 31:42176bc3c368 | 305 | |
mbed_official | 31:42176bc3c368 | 306 | void serial_pinout_tx(PinName tx) { |
mbed_official | 31:42176bc3c368 | 307 | pinmap_pinout(tx, PinMap_UART_TX); |
mbed_official | 31:42176bc3c368 | 308 | } |
mbed_official | 31:42176bc3c368 | 309 | |
mbed_official | 31:42176bc3c368 | 310 | void serial_break_set(serial_t *obj) { |
mbed_official | 33:e214068ab66c | 311 | obj->uart->C2 |= UART_C2_SBK_MASK; |
mbed_official | 31:42176bc3c368 | 312 | } |
mbed_official | 31:42176bc3c368 | 313 | |
mbed_official | 31:42176bc3c368 | 314 | void serial_break_clear(serial_t *obj) { |
mbed_official | 31:42176bc3c368 | 315 | obj->uart->C2 &= ~UART_C2_SBK_MASK; |
mbed_official | 31:42176bc3c368 | 316 | } |
mbed_official | 31:42176bc3c368 | 317 |