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#include <chip.h>
#include <delay.h>
#include "u8g2.h"
/*=======================================================================*/
/* Configuration */
#define SYS_TICK_PERIOD_IN_MS 100
/*=======================================================================*/
/* external functions */
uint8_t u8x8_gpio_and_delay_lpc824(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
/*=======================================================================*/
/* system procedures and sys tick master task */
volatile uint32_t sys_tick_irq_cnt=0;
void __attribute__ ((interrupt)) SysTick_Handler(void)
{
sys_tick_irq_cnt++;
}
/*=======================================================================*/
u8g2_t u8g2;
void draw(u8g2_t *u8g2)
{
u8g2_SetFontMode(u8g2, 1); // Transparent
u8g2_SetFontDirection(u8g2, 0);
u8g2_SetFont(u8g2, u8g2_font_inb24_mf);
u8g2_DrawStr(u8g2, 0, 30, "U");
u8g2_SetFontDirection(u8g2, 1);
u8g2_SetFont(u8g2, u8g2_font_inb30_mn);
u8g2_DrawStr(u8g2, 21,8,"8");
u8g2_SetFontDirection(u8g2, 0);
u8g2_SetFont(u8g2, u8g2_font_inb24_mf);
u8g2_DrawStr(u8g2, 51,30,"g");
u8g2_DrawStr(u8g2, 67,30,"\xb2");
u8g2_DrawHLine(u8g2, 2, 35, 47);
u8g2_DrawHLine(u8g2, 3, 36, 47);
u8g2_DrawVLine(u8g2, 45, 32, 12);
u8g2_DrawVLine(u8g2, 46, 33, 12);
u8g2_SetFont(u8g2, u8g2_font_4x6_tr);
u8g2_DrawStr(u8g2, 1,54,"github.com/olikraus/u8g2");
}
/*=======================================================================*/
/*
setup the hardware and start interrupts.
called by "Reset_Handler"
*/
int __attribute__ ((noinline)) main(void)
{
/* call to the lpc lib setup procedure. This will set the IRC as clk src and main clk to 24 MHz */
Chip_SystemInit();
/* if the clock or PLL has been changed, also update the global variable SystemCoreClock */
SystemCoreClockUpdate();
/* set systick and start systick interrupt */
SysTick_Config(SystemCoreClock/1000UL*(unsigned long)SYS_TICK_PERIOD_IN_MS);
/* enable clock for several subsystems */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON | SYSCTL_CLOCK_GPIO | SYSCTL_CLOCK_SWM);
/* turn on GPIO */
Chip_GPIO_Init(LPC_GPIO_PORT); /* Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_GPIO); */
//Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 15, IOCON_FUNC1); /* RxD */
Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, 0, 15);
/* setup display */
u8g2_Setup_ssd1306_i2c_128x64_noname_2(&u8g2, U8G2_R0, u8x8_byte_sw_i2c, u8x8_gpio_and_delay_lpc824);
u8g2_InitDisplay(&u8g2);
u8g2_SetPowerSave(&u8g2, 0);
for(;;)
{
//Chip_GPIO_SetPinOutHigh(LPC_GPIO_PORT, 0, 15);
//delay_micro_seconds(1000000);
u8g2_FirstPage(&u8g2);
do
{
draw(&u8g2);
} while( u8g2_NextPage(&u8g2) );
//Chip_GPIO_SetPinOutLow(LPC_GPIO_PORT, 0, 15);
delay_micro_seconds(1000000);
}
}