mbed library sources
Fork of mbed-src by
targets/hal/TARGET_Maxim/TARGET_MAX32600/port_api.c@514:7668256dbe61, 2015-04-16 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Apr 16 11:45:13 2015 +0100
- Revision:
- 514:7668256dbe61
Synchronized with git revision 29ab478a78892415a3c721cdc20b1755b7b01ba1
Full URL: https://github.com/mbedmicro/mbed/commit/29ab478a78892415a3c721cdc20b1755b7b01ba1/
LPC824, SSCI824 - Add GCC_ARM exporter support
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 514:7668256dbe61 | 1 | /******************************************************************************* |
mbed_official | 514:7668256dbe61 | 2 | * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved. |
mbed_official | 514:7668256dbe61 | 3 | * |
mbed_official | 514:7668256dbe61 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
mbed_official | 514:7668256dbe61 | 5 | * copy of this software and associated documentation files (the "Software"), |
mbed_official | 514:7668256dbe61 | 6 | * to deal in the Software without restriction, including without limitation |
mbed_official | 514:7668256dbe61 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
mbed_official | 514:7668256dbe61 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
mbed_official | 514:7668256dbe61 | 9 | * Software is furnished to do so, subject to the following conditions: |
mbed_official | 514:7668256dbe61 | 10 | * |
mbed_official | 514:7668256dbe61 | 11 | * The above copyright notice and this permission notice shall be included |
mbed_official | 514:7668256dbe61 | 12 | * in all copies or substantial portions of the Software. |
mbed_official | 514:7668256dbe61 | 13 | * |
mbed_official | 514:7668256dbe61 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
mbed_official | 514:7668256dbe61 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
mbed_official | 514:7668256dbe61 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
mbed_official | 514:7668256dbe61 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
mbed_official | 514:7668256dbe61 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
mbed_official | 514:7668256dbe61 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
mbed_official | 514:7668256dbe61 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
mbed_official | 514:7668256dbe61 | 21 | * |
mbed_official | 514:7668256dbe61 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
mbed_official | 514:7668256dbe61 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
mbed_official | 514:7668256dbe61 | 24 | * Products, Inc. Branding Policy. |
mbed_official | 514:7668256dbe61 | 25 | * |
mbed_official | 514:7668256dbe61 | 26 | * The mere transfer of this software does not imply any licenses |
mbed_official | 514:7668256dbe61 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
mbed_official | 514:7668256dbe61 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
mbed_official | 514:7668256dbe61 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
mbed_official | 514:7668256dbe61 | 30 | * ownership rights. |
mbed_official | 514:7668256dbe61 | 31 | ******************************************************************************* |
mbed_official | 514:7668256dbe61 | 32 | */ |
mbed_official | 514:7668256dbe61 | 33 | |
mbed_official | 514:7668256dbe61 | 34 | #include "port_api.h" |
mbed_official | 514:7668256dbe61 | 35 | #include "pinmap.h" |
mbed_official | 514:7668256dbe61 | 36 | #include "gpio_api.h" |
mbed_official | 514:7668256dbe61 | 37 | #include "gpio_regs.h" |
mbed_official | 514:7668256dbe61 | 38 | #include "clkman_regs.h" |
mbed_official | 514:7668256dbe61 | 39 | |
mbed_official | 514:7668256dbe61 | 40 | PinName port_pin(PortName port, int pin_n) |
mbed_official | 514:7668256dbe61 | 41 | { |
mbed_official | 514:7668256dbe61 | 42 | return (PinName)((port << PORT_SHIFT) | pin_n); |
mbed_official | 514:7668256dbe61 | 43 | } |
mbed_official | 514:7668256dbe61 | 44 | |
mbed_official | 514:7668256dbe61 | 45 | void port_init(port_t *obj, PortName port, int mask, PinDirection dir) |
mbed_official | 514:7668256dbe61 | 46 | { |
mbed_official | 514:7668256dbe61 | 47 | obj->port = port; |
mbed_official | 514:7668256dbe61 | 48 | obj->mask = mask; |
mbed_official | 514:7668256dbe61 | 49 | obj->reg_out = &MXC_GPIO->out_val[port]; |
mbed_official | 514:7668256dbe61 | 50 | obj->reg_in = &MXC_GPIO->in_val[port]; |
mbed_official | 514:7668256dbe61 | 51 | |
mbed_official | 514:7668256dbe61 | 52 | /* Ensure that the GPIO clock is enabled */ |
mbed_official | 514:7668256dbe61 | 53 | if (MXC_CLKMAN->clk_ctrl_1_gpio == MXC_E_CLKMAN_CLK_SCALE_DISABLED) { |
mbed_official | 514:7668256dbe61 | 54 | MXC_CLKMAN->clk_ctrl_1_gpio = MXC_E_CLKMAN_CLK_SCALE_ENABLED; |
mbed_official | 514:7668256dbe61 | 55 | } |
mbed_official | 514:7668256dbe61 | 56 | |
mbed_official | 514:7668256dbe61 | 57 | uint32_t i; |
mbed_official | 514:7668256dbe61 | 58 | // The function is set per pin: reuse gpio logic |
mbed_official | 514:7668256dbe61 | 59 | for (i=0; i<32; i++) { |
mbed_official | 514:7668256dbe61 | 60 | if (obj->mask & (1<<i)) { |
mbed_official | 514:7668256dbe61 | 61 | gpio_set(port_pin(obj->port, i)); |
mbed_official | 514:7668256dbe61 | 62 | pin_dir(port_pin(obj->port, i), dir); |
mbed_official | 514:7668256dbe61 | 63 | } |
mbed_official | 514:7668256dbe61 | 64 | } |
mbed_official | 514:7668256dbe61 | 65 | } |
mbed_official | 514:7668256dbe61 | 66 | |
mbed_official | 514:7668256dbe61 | 67 | void port_mode(port_t *obj, PinMode mode) |
mbed_official | 514:7668256dbe61 | 68 | { |
mbed_official | 514:7668256dbe61 | 69 | uint32_t i; |
mbed_official | 514:7668256dbe61 | 70 | // The mode is set per pin: reuse pinmap logic |
mbed_official | 514:7668256dbe61 | 71 | for (i=0; i<32; i++) { |
mbed_official | 514:7668256dbe61 | 72 | if (obj->mask & (1<<i)) { |
mbed_official | 514:7668256dbe61 | 73 | pin_mode(port_pin(obj->port, i), mode); |
mbed_official | 514:7668256dbe61 | 74 | } |
mbed_official | 514:7668256dbe61 | 75 | } |
mbed_official | 514:7668256dbe61 | 76 | } |
mbed_official | 514:7668256dbe61 | 77 | |
mbed_official | 514:7668256dbe61 | 78 | void port_dir(port_t *obj, PinDirection dir) |
mbed_official | 514:7668256dbe61 | 79 | { |
mbed_official | 514:7668256dbe61 | 80 | uint32_t i; |
mbed_official | 514:7668256dbe61 | 81 | // The mode is set per pin: reuse gpio logic |
mbed_official | 514:7668256dbe61 | 82 | for (i=0; i<32; i++) { |
mbed_official | 514:7668256dbe61 | 83 | if (obj->mask & (1<<i)) { |
mbed_official | 514:7668256dbe61 | 84 | pin_dir(port_pin(obj->port, i), dir); |
mbed_official | 514:7668256dbe61 | 85 | } |
mbed_official | 514:7668256dbe61 | 86 | } |
mbed_official | 514:7668256dbe61 | 87 | } |
mbed_official | 514:7668256dbe61 | 88 | |
mbed_official | 514:7668256dbe61 | 89 | void port_write(port_t *obj, int value) |
mbed_official | 514:7668256dbe61 | 90 | { |
mbed_official | 514:7668256dbe61 | 91 | *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); |
mbed_official | 514:7668256dbe61 | 92 | } |
mbed_official | 514:7668256dbe61 | 93 | |
mbed_official | 514:7668256dbe61 | 94 | int port_read(port_t *obj) |
mbed_official | 514:7668256dbe61 | 95 | { |
mbed_official | 514:7668256dbe61 | 96 | return (*obj->reg_in & obj->mask); |
mbed_official | 514:7668256dbe61 | 97 | } |