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@12:3ee3062cc11c, 2012-09-28 (annotated)
- Committer:
- earlz
- Date:
- Fri Sep 28 04:35:00 2012 +0000
- Revision:
- 12:3ee3062cc11c
- Parent:
- 11:fede136943a9
- Child:
- 13:442bd2fb4ea0
Converted to completely use PS/2 keyboard for console; Also added a couple of commands
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
earlz | 1:eb209f0468de | 1 | #include "mbedconsole.h" |
earlz | 9:4211d638b2e9 | 2 | #include "clock.h" |
earlz | 9:4211d638b2e9 | 3 | #include "i2s.h" |
earlz | 9:4211d638b2e9 | 4 | #include "nvic.h" |
earlz | 9:4211d638b2e9 | 5 | |
earlz | 9:4211d638b2e9 | 6 | |
earlz | 9:4211d638b2e9 | 7 | PS2Keyboard *ps2kb; |
earlz | 0:6906dbde03da | 8 | DigitalOut myled(LED1); |
earlz | 0:6906dbde03da | 9 | |
earlz | 1:eb209f0468de | 10 | |
earlz | 1:eb209f0468de | 11 | Serial serial(USBTX, USBRX); |
earlz | 9:4211d638b2e9 | 12 | ConsoleStream console; |
earlz | 0:6906dbde03da | 13 | |
earlz | 10:bda85442b674 | 14 | void keyboard_init(); |
earlz | 0:6906dbde03da | 15 | |
earlz | 0:6906dbde03da | 16 | int main() { |
earlz | 12:3ee3062cc11c | 17 | serial.baud(9600); |
earlz | 12:3ee3062cc11c | 18 | serial.puts("Resetting interrupt priorities..."); |
earlz | 11:fede136943a9 | 19 | //Set all priorities to 100 so we are able to make VGA a priority |
earlz | 11:fede136943a9 | 20 | //By default, all priorities are at their highest 0 |
earlz | 11:fede136943a9 | 21 | NVIC_SetPriority( NonMaskableInt_IRQn, 100 ); |
earlz | 11:fede136943a9 | 22 | NVIC_SetPriority(MemoryManagement_IRQn, 100); |
earlz | 11:fede136943a9 | 23 | |
earlz | 11:fede136943a9 | 24 | NVIC_SetPriority(BusFault_IRQn, 100); |
earlz | 11:fede136943a9 | 25 | NVIC_SetPriority(UsageFault_IRQn, 100); |
earlz | 11:fede136943a9 | 26 | NVIC_SetPriority(SVCall_IRQn, 100); |
earlz | 11:fede136943a9 | 27 | NVIC_SetPriority(DebugMonitor_IRQn, 100); |
earlz | 11:fede136943a9 | 28 | NVIC_SetPriority(PendSV_IRQn, 100); |
earlz | 12:3ee3062cc11c | 29 | NVIC_SetPriority(SysTick_IRQn, 50); |
earlz | 11:fede136943a9 | 30 | NVIC_SetPriority(WDT_IRQn, 100); |
earlz | 12:3ee3062cc11c | 31 | NVIC_SetPriority(TIMER0_IRQn, 85); |
earlz | 12:3ee3062cc11c | 32 | NVIC_SetPriority(TIMER1_IRQn, 85); |
earlz | 12:3ee3062cc11c | 33 | NVIC_SetPriority(TIMER2_IRQn, 85); |
earlz | 12:3ee3062cc11c | 34 | NVIC_SetPriority(TIMER3_IRQn, 85); |
earlz | 12:3ee3062cc11c | 35 | NVIC_SetPriority(UART0_IRQn, 75); |
earlz | 11:fede136943a9 | 36 | NVIC_SetPriority(UART1_IRQn, 100); |
earlz | 11:fede136943a9 | 37 | NVIC_SetPriority(UART2_IRQn, 100); |
earlz | 11:fede136943a9 | 38 | NVIC_SetPriority(UART3_IRQn, 100); |
earlz | 11:fede136943a9 | 39 | |
earlz | 11:fede136943a9 | 40 | NVIC_SetPriority(PWM1_IRQn, 100); |
earlz | 11:fede136943a9 | 41 | NVIC_SetPriority(I2C0_IRQn, 100); |
earlz | 11:fede136943a9 | 42 | NVIC_SetPriority(I2C1_IRQn, 100); |
earlz | 11:fede136943a9 | 43 | NVIC_SetPriority(I2C2_IRQn, 100); |
earlz | 11:fede136943a9 | 44 | NVIC_SetPriority(SPI_IRQn, 100); |
earlz | 11:fede136943a9 | 45 | NVIC_SetPriority(SSP0_IRQn, 100); |
earlz | 11:fede136943a9 | 46 | NVIC_SetPriority(SSP1_IRQn, 100); |
earlz | 11:fede136943a9 | 47 | NVIC_SetPriority(PLL0_IRQn, 100); |
earlz | 11:fede136943a9 | 48 | NVIC_SetPriority(RTC_IRQn, 100); |
earlz | 11:fede136943a9 | 49 | NVIC_SetPriority(EINT0_IRQn, 100); |
earlz | 11:fede136943a9 | 50 | NVIC_SetPriority(EINT1_IRQn, 100); |
earlz | 11:fede136943a9 | 51 | |
earlz | 11:fede136943a9 | 52 | NVIC_SetPriority(EINT2_IRQn, 100); |
earlz | 11:fede136943a9 | 53 | NVIC_SetPriority(EINT3_IRQn, 100); |
earlz | 11:fede136943a9 | 54 | NVIC_SetPriority(ADC_IRQn, 100); |
earlz | 11:fede136943a9 | 55 | NVIC_SetPriority(BOD_IRQn, 100); |
earlz | 11:fede136943a9 | 56 | NVIC_SetPriority(USB_IRQn, 100); |
earlz | 11:fede136943a9 | 57 | NVIC_SetPriority(CAN_IRQn, 100); |
earlz | 11:fede136943a9 | 58 | NVIC_SetPriority(DMA_IRQn, 100); |
earlz | 11:fede136943a9 | 59 | |
earlz | 11:fede136943a9 | 60 | NVIC_SetPriority(I2S_IRQn, 100); |
earlz | 11:fede136943a9 | 61 | NVIC_SetPriority(ENET_IRQn, 100); |
earlz | 11:fede136943a9 | 62 | NVIC_SetPriority(RIT_IRQn, 100); |
earlz | 11:fede136943a9 | 63 | NVIC_SetPriority(MCPWM_IRQn, 100); |
earlz | 11:fede136943a9 | 64 | NVIC_SetPriority(QEI_IRQn, 100); |
earlz | 11:fede136943a9 | 65 | NVIC_SetPriority(PLL1_IRQn, 100); |
earlz | 12:3ee3062cc11c | 66 | //serial.puts("Done!\r\n"); |
earlz | 12:3ee3062cc11c | 67 | //serial.puts("Initializing VGA..."); |
earlz | 12:3ee3062cc11c | 68 | //wait_ms(500); |
earlz | 0:6906dbde03da | 69 | init_vga(); |
earlz | 10:bda85442b674 | 70 | vga_cls(); |
earlz | 12:3ee3062cc11c | 71 | //serial.puts("Done!\r\n"); |
earlz | 12:3ee3062cc11c | 72 | |
earlz | 12:3ee3062cc11c | 73 | //serial.puts("Initializing PS/2 Keyboard.."); |
earlz | 12:3ee3062cc11c | 74 | //NVIC_SetPriority( EINT3_IRQn, 90 ); |
earlz | 12:3ee3062cc11c | 75 | //wait_ms(500); |
earlz | 10:bda85442b674 | 76 | keyboard_init(); |
earlz | 9:4211d638b2e9 | 77 | fl_select_clock_i2s(FL_CLOCK_DIV1); // assume 100MHz |
earlz | 9:4211d638b2e9 | 78 | fl_i2s_set_tx_rate(1,4); // set 25 MHz pixel clock |
earlz | 0:6906dbde03da | 79 | |
earlz | 9:4211d638b2e9 | 80 | |
earlz | 11:fede136943a9 | 81 | NVIC_SetPriority( EINT3_IRQn, 90 ); |
earlz | 12:3ee3062cc11c | 82 | //wait_ms(500); |
earlz | 12:3ee3062cc11c | 83 | //serial.puts("Done\r\n"); |
earlz | 10:bda85442b674 | 84 | |
earlz | 12:3ee3062cc11c | 85 | //serial.puts("Entering mbedConsole shell\r\n"); |
earlz | 0:6906dbde03da | 86 | while(1) |
earlz | 0:6906dbde03da | 87 | { |
earlz | 1:eb209f0468de | 88 | vputs("mbedConsole by Jordan Earls\n"); |
earlz | 1:eb209f0468de | 89 | shell_begin(); |
earlz | 0:6906dbde03da | 90 | } |
earlz | 0:6906dbde03da | 91 | } |