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
- Committer:
- earlz
- Date:
- 2012-09-28
- Revision:
- 11:fede136943a9
- Parent:
- 10:bda85442b674
- Child:
- 12:3ee3062cc11c
File content as of revision 11:fede136943a9:
#include "mbedconsole.h" #include "clock.h" #include "i2s.h" #include "nvic.h" PS2Keyboard *ps2kb; DigitalOut myled(LED1); Serial serial(USBTX, USBRX); ConsoleStream console; void keyboard_init(); int main() { //Set all priorities to 100 so we are able to make VGA a priority //By default, all priorities are at their highest 0 NVIC_SetPriority( NonMaskableInt_IRQn, 100 ); NVIC_SetPriority(MemoryManagement_IRQn, 100); NVIC_SetPriority(BusFault_IRQn, 100); NVIC_SetPriority(UsageFault_IRQn, 100); NVIC_SetPriority(SVCall_IRQn, 100); NVIC_SetPriority(DebugMonitor_IRQn, 100); NVIC_SetPriority(PendSV_IRQn, 100); NVIC_SetPriority(SysTick_IRQn, 100); NVIC_SetPriority(WDT_IRQn, 100); NVIC_SetPriority(TIMER0_IRQn, 100); NVIC_SetPriority(TIMER1_IRQn, 100); NVIC_SetPriority(TIMER2_IRQn, 100); NVIC_SetPriority(TIMER3_IRQn, 100); NVIC_SetPriority(UART0_IRQn, 100); NVIC_SetPriority(UART1_IRQn, 100); NVIC_SetPriority(UART2_IRQn, 100); NVIC_SetPriority(UART3_IRQn, 100); NVIC_SetPriority(PWM1_IRQn, 100); NVIC_SetPriority(I2C0_IRQn, 100); NVIC_SetPriority(I2C1_IRQn, 100); NVIC_SetPriority(I2C2_IRQn, 100); NVIC_SetPriority(SPI_IRQn, 100); NVIC_SetPriority(SSP0_IRQn, 100); NVIC_SetPriority(SSP1_IRQn, 100); NVIC_SetPriority(PLL0_IRQn, 100); NVIC_SetPriority(RTC_IRQn, 100); NVIC_SetPriority(EINT0_IRQn, 100); NVIC_SetPriority(EINT1_IRQn, 100); NVIC_SetPriority(EINT2_IRQn, 100); NVIC_SetPriority(EINT3_IRQn, 100); NVIC_SetPriority(ADC_IRQn, 100); NVIC_SetPriority(BOD_IRQn, 100); NVIC_SetPriority(USB_IRQn, 100); NVIC_SetPriority(CAN_IRQn, 100); NVIC_SetPriority(DMA_IRQn, 100); NVIC_SetPriority(I2S_IRQn, 100); NVIC_SetPriority(ENET_IRQn, 100); NVIC_SetPriority(RIT_IRQn, 100); NVIC_SetPriority(MCPWM_IRQn, 100); NVIC_SetPriority(QEI_IRQn, 100); NVIC_SetPriority(PLL1_IRQn, 100); init_vga(); vga_cls(); serial.baud(115200); serial.printf("Initializing PS/2.."); keyboard_init(); fl_select_clock_i2s(FL_CLOCK_DIV1); // assume 100MHz fl_i2s_set_tx_rate(1,4); // set 25 MHz pixel clock NVIC_SetPriority( EINT3_IRQn, 90 ); serial.printf("Done\r\n"); while(1) { vputs("mbedConsole by Jordan Earls\n"); shell_begin(); } }