A project to implement a console using the Mbed using VGA for video output and a PS/2 keyboard for the input. The eventual goal is to also include tools for managing SD cards, and a semi-self-hosting programming environment.
Dependencies: PS2_MbedConsole fastlib SDFileSystem vga640x480g_mbedconsole lightvm mbed
MbedConsole is a cool little project to have a self-contained computer all on an Mbed. So far it has VGA and PS/2 support and can stand alone without a computer powering it. Next planned features are SD card support and a lightweight programmable VM complete with a file editor and self-hosted assembler.
You can view additional details about it at http://earlz.net/tags/mbedconsole
main.cpp@16:370b9e559f92, 2012-09-30 (annotated)
- Committer:
- earlz
- Date:
- Sun Sep 30 16:48:41 2012 +0000
- Revision:
- 16:370b9e559f92
- Parent:
- 14:c42ae78003c6
- Child:
- 20:13556e5bac04
Added BSD license notice
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
earlz | 16:370b9e559f92 | 1 | /* |
earlz | 16:370b9e559f92 | 2 | <Copyright Header> |
earlz | 16:370b9e559f92 | 3 | Copyright (c) 2012 Jordan "Earlz" Earls <http://lastyearswishes.com> |
earlz | 16:370b9e559f92 | 4 | All rights reserved. |
earlz | 16:370b9e559f92 | 5 | |
earlz | 16:370b9e559f92 | 6 | Redistribution and use in source and binary forms, with or without |
earlz | 16:370b9e559f92 | 7 | modification, are permitted provided that the following conditions |
earlz | 16:370b9e559f92 | 8 | are met: |
earlz | 16:370b9e559f92 | 9 | |
earlz | 16:370b9e559f92 | 10 | 1. Redistributions of source code must retain the above copyright |
earlz | 16:370b9e559f92 | 11 | notice, this list of conditions and the following disclaimer. |
earlz | 16:370b9e559f92 | 12 | 2. Redistributions in binary form must reproduce the above copyright |
earlz | 16:370b9e559f92 | 13 | notice, this list of conditions and the following disclaimer in the |
earlz | 16:370b9e559f92 | 14 | documentation and/or other materials provided with the distribution. |
earlz | 16:370b9e559f92 | 15 | 3. The name of the author may not be used to endorse or promote products |
earlz | 16:370b9e559f92 | 16 | derived from this software without specific prior written permission. |
earlz | 16:370b9e559f92 | 17 | |
earlz | 16:370b9e559f92 | 18 | THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
earlz | 16:370b9e559f92 | 19 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
earlz | 16:370b9e559f92 | 20 | AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
earlz | 16:370b9e559f92 | 21 | THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
earlz | 16:370b9e559f92 | 22 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
earlz | 16:370b9e559f92 | 23 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
earlz | 16:370b9e559f92 | 24 | OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
earlz | 16:370b9e559f92 | 25 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
earlz | 16:370b9e559f92 | 26 | OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
earlz | 16:370b9e559f92 | 27 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
earlz | 16:370b9e559f92 | 28 | |
earlz | 16:370b9e559f92 | 29 | This file is part of the MbedConsole project |
earlz | 16:370b9e559f92 | 30 | */ |
earlz | 16:370b9e559f92 | 31 | |
earlz | 1:eb209f0468de | 32 | #include "mbedconsole.h" |
earlz | 9:4211d638b2e9 | 33 | #include "clock.h" |
earlz | 9:4211d638b2e9 | 34 | #include "i2s.h" |
earlz | 9:4211d638b2e9 | 35 | #include "nvic.h" |
earlz | 9:4211d638b2e9 | 36 | |
earlz | 9:4211d638b2e9 | 37 | |
earlz | 9:4211d638b2e9 | 38 | PS2Keyboard *ps2kb; |
earlz | 0:6906dbde03da | 39 | DigitalOut myled(LED1); |
earlz | 0:6906dbde03da | 40 | |
earlz | 1:eb209f0468de | 41 | |
earlz | 1:eb209f0468de | 42 | Serial serial(USBTX, USBRX); |
earlz | 13:442bd2fb4ea0 | 43 | ConsoleStream console("console"); |
earlz | 0:6906dbde03da | 44 | |
earlz | 10:bda85442b674 | 45 | void keyboard_init(); |
earlz | 0:6906dbde03da | 46 | |
earlz | 0:6906dbde03da | 47 | int main() { |
earlz | 12:3ee3062cc11c | 48 | serial.baud(9600); |
earlz | 12:3ee3062cc11c | 49 | serial.puts("Resetting interrupt priorities..."); |
earlz | 11:fede136943a9 | 50 | //Set all priorities to 100 so we are able to make VGA a priority |
earlz | 11:fede136943a9 | 51 | //By default, all priorities are at their highest 0 |
earlz | 11:fede136943a9 | 52 | NVIC_SetPriority( NonMaskableInt_IRQn, 100 ); |
earlz | 11:fede136943a9 | 53 | NVIC_SetPriority(MemoryManagement_IRQn, 100); |
earlz | 11:fede136943a9 | 54 | |
earlz | 11:fede136943a9 | 55 | NVIC_SetPriority(BusFault_IRQn, 100); |
earlz | 11:fede136943a9 | 56 | NVIC_SetPriority(UsageFault_IRQn, 100); |
earlz | 11:fede136943a9 | 57 | NVIC_SetPriority(SVCall_IRQn, 100); |
earlz | 11:fede136943a9 | 58 | NVIC_SetPriority(DebugMonitor_IRQn, 100); |
earlz | 11:fede136943a9 | 59 | NVIC_SetPriority(PendSV_IRQn, 100); |
earlz | 12:3ee3062cc11c | 60 | NVIC_SetPriority(SysTick_IRQn, 50); |
earlz | 11:fede136943a9 | 61 | NVIC_SetPriority(WDT_IRQn, 100); |
earlz | 12:3ee3062cc11c | 62 | NVIC_SetPriority(TIMER0_IRQn, 85); |
earlz | 12:3ee3062cc11c | 63 | NVIC_SetPriority(TIMER1_IRQn, 85); |
earlz | 12:3ee3062cc11c | 64 | NVIC_SetPriority(TIMER2_IRQn, 85); |
earlz | 12:3ee3062cc11c | 65 | NVIC_SetPriority(TIMER3_IRQn, 85); |
earlz | 12:3ee3062cc11c | 66 | NVIC_SetPriority(UART0_IRQn, 75); |
earlz | 11:fede136943a9 | 67 | NVIC_SetPriority(UART1_IRQn, 100); |
earlz | 11:fede136943a9 | 68 | NVIC_SetPriority(UART2_IRQn, 100); |
earlz | 11:fede136943a9 | 69 | NVIC_SetPriority(UART3_IRQn, 100); |
earlz | 11:fede136943a9 | 70 | |
earlz | 11:fede136943a9 | 71 | NVIC_SetPriority(PWM1_IRQn, 100); |
earlz | 11:fede136943a9 | 72 | NVIC_SetPriority(I2C0_IRQn, 100); |
earlz | 11:fede136943a9 | 73 | NVIC_SetPriority(I2C1_IRQn, 100); |
earlz | 11:fede136943a9 | 74 | NVIC_SetPriority(I2C2_IRQn, 100); |
earlz | 11:fede136943a9 | 75 | NVIC_SetPriority(SPI_IRQn, 100); |
earlz | 11:fede136943a9 | 76 | NVIC_SetPriority(SSP0_IRQn, 100); |
earlz | 11:fede136943a9 | 77 | NVIC_SetPriority(SSP1_IRQn, 100); |
earlz | 11:fede136943a9 | 78 | NVIC_SetPriority(PLL0_IRQn, 100); |
earlz | 11:fede136943a9 | 79 | NVIC_SetPriority(RTC_IRQn, 100); |
earlz | 11:fede136943a9 | 80 | NVIC_SetPriority(EINT0_IRQn, 100); |
earlz | 11:fede136943a9 | 81 | NVIC_SetPriority(EINT1_IRQn, 100); |
earlz | 11:fede136943a9 | 82 | |
earlz | 11:fede136943a9 | 83 | NVIC_SetPriority(EINT2_IRQn, 100); |
earlz | 11:fede136943a9 | 84 | NVIC_SetPriority(EINT3_IRQn, 100); |
earlz | 11:fede136943a9 | 85 | NVIC_SetPriority(ADC_IRQn, 100); |
earlz | 11:fede136943a9 | 86 | NVIC_SetPriority(BOD_IRQn, 100); |
earlz | 11:fede136943a9 | 87 | NVIC_SetPriority(USB_IRQn, 100); |
earlz | 11:fede136943a9 | 88 | NVIC_SetPriority(CAN_IRQn, 100); |
earlz | 11:fede136943a9 | 89 | NVIC_SetPriority(DMA_IRQn, 100); |
earlz | 11:fede136943a9 | 90 | |
earlz | 11:fede136943a9 | 91 | NVIC_SetPriority(I2S_IRQn, 100); |
earlz | 11:fede136943a9 | 92 | NVIC_SetPriority(ENET_IRQn, 100); |
earlz | 11:fede136943a9 | 93 | NVIC_SetPriority(RIT_IRQn, 100); |
earlz | 11:fede136943a9 | 94 | NVIC_SetPriority(MCPWM_IRQn, 100); |
earlz | 11:fede136943a9 | 95 | NVIC_SetPriority(QEI_IRQn, 100); |
earlz | 11:fede136943a9 | 96 | NVIC_SetPriority(PLL1_IRQn, 100); |
earlz | 0:6906dbde03da | 97 | init_vga(); |
earlz | 10:bda85442b674 | 98 | vga_cls(); |
earlz | 10:bda85442b674 | 99 | keyboard_init(); |
earlz | 9:4211d638b2e9 | 100 | fl_select_clock_i2s(FL_CLOCK_DIV1); // assume 100MHz |
earlz | 9:4211d638b2e9 | 101 | fl_i2s_set_tx_rate(1,4); // set 25 MHz pixel clock |
earlz | 0:6906dbde03da | 102 | |
earlz | 9:4211d638b2e9 | 103 | |
earlz | 11:fede136943a9 | 104 | NVIC_SetPriority( EINT3_IRQn, 90 ); |
earlz | 13:442bd2fb4ea0 | 105 | |
earlz | 13:442bd2fb4ea0 | 106 | freopen("/console", "w", stdout); |
earlz | 13:442bd2fb4ea0 | 107 | setvbuf(stdout, NULL, _IONBF, 0); |
earlz | 13:442bd2fb4ea0 | 108 | freopen("/console", "r", stdin); |
earlz | 13:442bd2fb4ea0 | 109 | //setvbuf(stdout, NULL, _IONBF, 0); |
earlz | 13:442bd2fb4ea0 | 110 | freopen("/console", "w", stderr); |
earlz | 13:442bd2fb4ea0 | 111 | setvbuf(stderr, NULL, _IONBF, 0); |
earlz | 0:6906dbde03da | 112 | while(1) |
earlz | 0:6906dbde03da | 113 | { |
earlz | 1:eb209f0468de | 114 | vputs("mbedConsole by Jordan Earls\n"); |
earlz | 1:eb209f0468de | 115 | shell_begin(); |
earlz | 0:6906dbde03da | 116 | } |
earlz | 0:6906dbde03da | 117 | } |
earlz | 13:442bd2fb4ea0 | 118 | |
earlz | 13:442bd2fb4ea0 | 119 | |
earlz | 13:442bd2fb4ea0 | 120 | |
earlz | 13:442bd2fb4ea0 | 121 |