/* * datasheet: http://www.nxp.com/documents/data_sheet/LPC81XM.pdf * user manual: http://www.nxp.com/documents/user_manual/UM10601.pdf * swtich matrix tool: http://www.lpcware.com/content/nxpfile/nxp-switch-matrix-tool-lpc800 (for pin configuration) * * * ISP: When pin PIO0_1 is pulled LOW on reset, the part enters ISP mode and the ISP command handler starts up. * In ISP mode, pin PIO0_0 is connected to function U0_RXD and pin PIO0_4 is connected to function U0_TXD on the USART0 block. */ //#include "LPC8xx.h" #include "mbed.h" volatile uint32_t msTicks = 0; void SysTick_Handler(void) { msTicks++; } void delay_ms(uint32_t ms) { uint32_t now = msTicks; while ((msTicks-now) < ms); } #define LED 2 int main(void) { LPC_SWM->PINENABLE0 = 0xffffffbfUL; SystemCoreClockUpdate(); SysTick_Config(SystemCoreClock/1000);// 24Mhz / 1000 LPC_GPIO_PORT->DIR0 |= 1<<LED; // set pin as output while (1) { LPC_GPIO_PORT->SET0 = 1<<LED; // LED output high delay_ms(50); LPC_GPIO_PORT->CLR0 = 1<<LED; // LED output low delay_ms(200); } }