diff options
| -rw-r--r-- | src/display.c | 193 | ||||
| -rw-r--r-- | src/display.h | 45 | ||||
| -rw-r--r-- | src/font.h | 131 | ||||
| -rw-r--r-- | src/main.c | 9 |
4 files changed, 378 insertions, 0 deletions
diff --git a/src/display.c b/src/display.c new file mode 100644 index 0000000..6cb0f1c --- /dev/null +++ b/src/display.c @@ -0,0 +1,193 @@ +#include <avr/io.h> +#include <avr/pgmspace.h> +#include <util/delay.h> + +#include "display.h" +#include "font.h" + +uint8_t cursor_y = 0; +uint8_t cursor_x = 0; + +static uint8_t i2c_transfer(uint8_t usisr_val) { + USISR = usisr_val; + // 2-wire i2c + (USICS1+USICLK = timer0 clock) + 3-wire master + uint8_t cr = (1 << USIWM1) | (1 << USICS1) | (1 << USICLK) | (1 << USITC); + do { + _delay_us(I2C_DELAY_US); + USICR = cr; + while (!(PINA & (1 << DISPLAY_SCL))) + ; // Wait for next clock falling edge + _delay_us(I2C_DELAY_US); + USICR = cr; + } while (!(USISR & (1 << USIOIF))); + _delay_us(I2C_DELAY_US); + + uint8_t data = USIDR; + USIDR = 0xFF; + DDRA |= (1 << DISPLAY_SDA); + return data; +} + +static void i2c_init(void) { + PORTA |= (1 << DISPLAY_SDA) | (1 << DISPLAY_SCL); + DDRA |= (1 << DISPLAY_SDA) | (1 << DISPLAY_SCL); + USIDR = 0xFF; + // 2-wire i2c + (USICS1+USICLK = timer0 clock) + USICR = (1 << USIWM1) | (1 << USICS1) | (1 << USICLK); + // Start interrupt + overflow interrupt + stop interrupt + output collision + USISR = (1 << USISIF) | (1 << USIOIF) | (1 << USIPF) | (1 << USIDC); +} + +void i2c_start(void) { + PORTA |= (1 << DISPLAY_SCL); + while (!(PINA & (1 << DISPLAY_SCL))) + ; // Wait for next clock falling edge + _delay_us(I2C_DELAY_US); + PORTA &= ~(1 << DISPLAY_SDA); // SDA low while SCL high = START + _delay_us(I2C_DELAY_US); + PORTA &= ~(1 << DISPLAY_SCL); + PORTA |= (1 << DISPLAY_SDA); +} + +void i2c_stop(void) { + PORTA &= ~(1 << DISPLAY_SDA); + _delay_us(I2C_DELAY_US); + PORTA |= (1 << DISPLAY_SCL); + while (!(PINA & (1 << DISPLAY_SCL))) + ; + _delay_us(I2C_DELAY_US); + PORTA |= (1 << DISPLAY_SDA); // SDA high while SCL high = STOP + _delay_us(I2C_DELAY_US); +} + +void i2c_write(uint8_t data) { + PORTA &= ~(1 << DISPLAY_SCL); + USIDR = data; + // transfer 8 bits: counter=0 overflows after 16 edges (8 clocks) + i2c_transfer((1 << USISIF) | (1 << USIOIF) | (1 << USIPF) | (1 << USIDC) | + 0x00); + DDRA &= ~(1 << DISPLAY_SDA); + // transfer 1 bit: counter=0x0E overflows after 2 edges (1 clock) + i2c_transfer((1 << USISIF) | (1 << USIOIF) | (1 << USIPF) | (1 << USIDC) | + 0x0E); +} + +void display_cmd(uint8_t cmd) { + i2c_start(); + i2c_write(OLED_ADDR); + i2c_write(0x00); // Control byte: Co=0, D/C#=0 + i2c_write(cmd); + i2c_stop(); +} + +void display_clear(void) { + for (uint8_t page = 0; page < 8; page++) { + display_cmd(DCMD_SET_PAGE_START | page); + display_cmd(0x00); + display_cmd(DCMD_SET_START_ADDR_HIGHER_COL); + i2c_start(); + i2c_write(OLED_ADDR); + i2c_write(0x40); + for (uint8_t col = 0; col < 128; col++) + i2c_write(0x00); + i2c_stop(); + } +} + +void display_init(void) { + i2c_init(); + _delay_ms(40); + + display_cmd(DCMD_DISPLAY_OFF); + display_cmd(DCMD_SET_CLOCK_DIV); + display_cmd(0x80); + display_cmd(DCMD_SET_MUX_RATIO); + display_cmd(63); // 64 rows + display_cmd(DCMD_SET_OFFSET); + display_cmd(0x00); + display_cmd(DCMD_SET_START_LINE); + display_cmd(DCMD_SET_CHARGE_PUMP); + display_cmd(DCMD_CHARGE_PUMP_ENABLE); + display_cmd(DCMD_SET_ADDRESSING_MODE); + display_cmd(DCMD_ADDR_HORIZONTAL); + display_cmd(DCMD_SET_SEGMENT_REMAP); + display_cmd(DCMD_SET_COM_SCAN_DIRECTION); + display_cmd(DCMD_SET_COM_PINS); + display_cmd(0x12); + display_cmd(DCMD_SET_CONTRAST); + display_cmd(207); + display_cmd(DCMD_SET_PRECHARGE_PERIOD); + display_cmd(0xF1); + display_cmd(DCMD_SET_VCOMH_DESELECT); + display_cmd(0x40); + display_cmd(DCMD_OUTPUT_FOLLOWS_RAM); + display_cmd(DCMD_NORMAL_MODE); + display_cmd(DCMD_DISPLAY_ON); + + display_clear(); +} + +static uint8_t scale_column(uint8_t font_byte, uint8_t page) { + uint8_t out = 0; + for (uint8_t b = 0; b < 8; b++) { + uint8_t src = (page * 8 + b) / FONT_SCALE_Y; + if (src < FONT_GLYPH_HEIGHT && (font_byte & (1 << src))) + out |= (1 << b); + } + return out; +} + +void display_draw_char(uint8_t c) { + if (c < FONT_GLYPH_FIRST_CHAR || c > FONT_GLYPH_LAST_CHAR) + return; + uint16_t offset = (uint16_t)(c - FONT_GLYPH_FIRST_CHAR) * FONT_GLYPH_WIDTH; + + uint8_t pages = (FONT_GLYPH_HEIGHT * FONT_SCALE_Y + 7) / 8; + for (uint8_t p = 0; p < pages; p++) { + display_cmd(DCMD_SET_PAGE_START | ((cursor_y + p) & 0x07)); + display_cmd(cursor_x & 0x0F); + display_cmd(DCMD_SET_START_ADDR_HIGHER_COL | (cursor_x >> 4)); + + i2c_start(); + i2c_write(OLED_ADDR); + i2c_write(0x40); + for (uint8_t col = 0; col < FONT_GLYPH_WIDTH; col++) { + uint8_t glyph = pgm_read_byte(&FONT_BITMAP[offset + col]); + uint8_t scaled = scale_column(glyph, p); + for (uint8_t r = 0; r < FONT_SCALE_X; r++) + i2c_write(scaled); + } + for (uint8_t r = 0; r < FONT_SCALE_X; r++) + i2c_write(0x00); + i2c_stop(); + } + + cursor_x += (FONT_GLYPH_WIDTH + CHAR_SPACING) * FONT_SCALE_X; +} + +void display_draw_float2(float num) { + cursor_x = 5; + cursor_y = 2; + + if (num < 0) { + display_draw_char('-'); + num = -num; + } + + int val = (int)(num * 10); // include 1 decimal place + int digit; + uint8_t is_first = 1; + + for (uint16_t i = 1000; i >= 1; i /= 10, is_first = 0) { + // 2 digits left means tis decimal time + if (i == 1) + display_draw_char('.'); + digit = (val / i) % 10; + val %= i; + // if first digit is 0, draw space (tis garbage code) + if (is_first && digit == 0) + display_draw_char(' '); + else + display_draw_char(digit + '0'); + } +} diff --git a/src/display.h b/src/display.h new file mode 100644 index 0000000..254c4f6 --- /dev/null +++ b/src/display.h @@ -0,0 +1,45 @@ +#ifndef _MODULE_DISPLAY_H +#define _MODULE_DISPLAY_H + +#include <stdint.h> + +// 0x3C << 1 +#define OLED_ADDR 0x78 + +#define DISPLAY_SDA PA6 +#define DISPLAY_SCL PA4 + +#define I2C_DELAY_US 5 + +#define DCMD_DISPLAY_ON 0xAF +#define DCMD_DISPLAY_OFF 0xAE +#define DCMD_SET_CLOCK_DIV 0xD5 +#define DCMD_SET_MUX_RATIO 0xA8 +#define DCMD_SET_OFFSET 0xD3 +#define DCMD_SET_START_LINE 0x40 +#define DCMD_SET_CHARGE_PUMP 0x8D +#define DCMD_CHARGE_PUMP_ENABLE 0x14 +#define DCMD_SET_ADDRESSING_MODE 0x20 +#define DCMD_ADDR_HORIZONTAL 0x00 +#define DCMD_SET_SEGMENT_REMAP 0xA1 +#define DCMD_SET_COM_SCAN_DIRECTION 0xC8 +#define DCMD_SET_COM_PINS 0xDA +#define DCMD_SET_CONTRAST 0x81 +#define DCMD_SET_PRECHARGE_PERIOD 0xD9 +#define DCMD_SET_VCOMH_DESELECT 0xDB +#define DCMD_OUTPUT_FOLLOWS_RAM 0xA4 +#define DCMD_NORMAL_MODE 0xA6 +#define DCMD_INVERSE_MODE 0xA7 +#define DCMD_SET_PAGE_START 0xB0 +#define DCMD_SET_START_ADDR_HIGHER_COL 0x10 + +extern uint8_t cursor_y; +extern uint8_t cursor_x; + +void display_init(void); + +void display_draw_char(uint8_t c); + +void display_draw_float2(float num); + +#endif diff --git a/src/font.h b/src/font.h new file mode 100644 index 0000000..24fbcc7 --- /dev/null +++ b/src/font.h @@ -0,0 +1,131 @@ +#ifndef _MODULE_FONT_H +#define _MODULE_FONT_H + +#include <avr/pgmspace.h> +#include <stdint.h> + +#define FONT_SCALE_X 3 +#define FONT_SCALE_Y 7 +#define CHAR_SPACING 1 +#define FONT_GLYPH_WIDTH 5 +#define FONT_GLYPH_HEIGHT 8 +#define FONT_GLYPH_FIRST_CHAR 0 +#define FONT_GLYPH_LAST_CHAR 255 + +const uint8_t FONT_BITMAP[] PROGMEM = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x3E, 0x6B, + 0x4F, 0x6B, 0x3E, 0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 0x18, 0x3C, 0x7E, 0x3C, + 0x18, 0x1C, 0x57, 0x7D, 0x57, 0x1C, 0x1C, 0x5E, 0x7F, 0x5E, 0x1C, 0x00, + 0x18, 0x3C, 0x18, 0x00, 0xFF, 0xE7, 0xC3, 0xE7, 0xFF, 0x00, 0x18, 0x24, + 0x18, 0x00, 0xFF, 0xE7, 0xDB, 0xE7, 0xFF, 0x30, 0x48, 0x3A, 0x06, 0x0E, + 0x26, 0x29, 0x79, 0x29, 0x26, 0x40, 0x7F, 0x05, 0x05, 0x07, 0x40, 0x7F, + 0x05, 0x25, 0x3F, 0x5A, 0x3C, 0xE7, 0x3C, 0x5A, 0x7F, 0x3E, 0x1C, 0x1C, + 0x08, 0x08, 0x1C, 0x1C, 0x3E, 0x7F, 0x14, 0x22, 0x7F, 0x22, 0x14, 0x5F, + 0x5F, 0x00, 0x5F, 0x5F, 0x06, 0x09, 0x7F, 0x01, 0x7F, 0x00, 0x66, 0x89, + 0x95, 0x6A, 0x60, 0x60, 0x60, 0x60, 0x60, 0x94, 0xA2, 0xFF, 0xA2, 0x94, + 0x08, 0x04, 0x7E, 0x04, 0x08, 0x10, 0x20, 0x7E, 0x20, 0x10, 0x08, 0x08, + 0x2A, 0x1C, 0x08, 0x08, 0x1C, 0x2A, 0x08, 0x08, 0x1E, 0x10, 0x10, 0x10, + 0x10, 0x0C, 0x1E, 0x0C, 0x1E, 0x0C, 0x30, 0x38, 0x3E, 0x38, 0x30, 0x06, + 0x0E, 0x3E, 0x0E, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5F, + 0x00, 0x00, 0x00, 0x07, 0x00, 0x07, 0x00, 0x14, 0x7F, 0x14, 0x7F, 0x14, + 0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x23, 0x13, 0x08, 0x64, 0x62, 0x36, 0x49, + 0x56, 0x20, 0x50, 0x00, 0x08, 0x07, 0x03, 0x00, 0x00, 0x1C, 0x22, 0x41, + 0x00, 0x00, 0x41, 0x22, 0x1C, 0x00, 0x2A, 0x1C, 0x7F, 0x1C, 0x2A, 0x08, + 0x08, 0x3E, 0x08, 0x08, 0x00, 0x80, 0x70, 0x30, 0x00, 0x08, 0x08, 0x08, + 0x08, 0x08, 0x00, 0x00, 0x60, 0x60, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, + 0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00, 0x42, 0x7F, 0x40, 0x00, 0x72, 0x49, + 0x49, 0x49, 0x46, 0x21, 0x41, 0x49, 0x4D, 0x33, 0x18, 0x14, 0x12, 0x7F, + 0x10, 0x27, 0x45, 0x45, 0x45, 0x39, 0x3C, 0x4A, 0x49, 0x49, 0x31, 0x41, + 0x21, 0x11, 0x09, 0x07, 0x36, 0x49, 0x49, 0x49, 0x36, 0x46, 0x49, 0x49, + 0x29, 0x1E, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x40, 0x34, 0x00, 0x00, + 0x00, 0x08, 0x14, 0x22, 0x41, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x41, + 0x22, 0x14, 0x08, 0x02, 0x01, 0x59, 0x09, 0x06, 0x3E, 0x41, 0x5D, 0x59, + 0x4E, 0x7C, 0x12, 0x11, 0x12, 0x7C, 0x7F, 0x49, 0x49, 0x49, 0x36, 0x3E, + 0x41, 0x41, 0x41, 0x22, 0x7F, 0x41, 0x41, 0x41, 0x3E, 0x7F, 0x49, 0x49, + 0x49, 0x41, 0x7F, 0x09, 0x09, 0x09, 0x01, 0x3E, 0x41, 0x41, 0x51, 0x73, + 0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00, 0x41, 0x7F, 0x41, 0x00, 0x20, 0x40, + 0x41, 0x3F, 0x01, 0x7F, 0x08, 0x14, 0x22, 0x41, 0x7F, 0x40, 0x40, 0x40, + 0x40, 0x7F, 0x02, 0x1C, 0x02, 0x7F, 0x7F, 0x04, 0x08, 0x10, 0x7F, 0x3E, + 0x41, 0x41, 0x41, 0x3E, 0x7F, 0x09, 0x09, 0x09, 0x06, 0x3E, 0x41, 0x51, + 0x21, 0x5E, 0x7F, 0x09, 0x19, 0x29, 0x46, 0x26, 0x49, 0x49, 0x49, 0x32, + 0x03, 0x01, 0x7F, 0x01, 0x03, 0x3F, 0x40, 0x40, 0x40, 0x3F, 0x1F, 0x20, + 0x40, 0x20, 0x1F, 0x3F, 0x40, 0x38, 0x40, 0x3F, 0x63, 0x14, 0x08, 0x14, + 0x63, 0x03, 0x04, 0x78, 0x04, 0x03, 0x61, 0x59, 0x49, 0x4D, 0x43, 0x00, + 0x7F, 0x41, 0x41, 0x41, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x41, 0x41, + 0x41, 0x7F, 0x04, 0x02, 0x01, 0x02, 0x04, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x00, 0x03, 0x07, 0x08, 0x00, 0x20, 0x54, 0x54, 0x78, 0x40, 0x7F, 0x28, + 0x44, 0x44, 0x38, 0x38, 0x44, 0x44, 0x44, 0x28, 0x38, 0x44, 0x44, 0x28, + 0x7F, 0x38, 0x54, 0x54, 0x54, 0x18, 0x00, 0x08, 0x7E, 0x09, 0x02, 0x18, + 0xA4, 0xA4, 0x9C, 0x78, 0x7F, 0x08, 0x04, 0x04, 0x78, 0x00, 0x44, 0x7D, + 0x40, 0x00, 0x20, 0x40, 0x40, 0x3D, 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, + 0x00, 0x41, 0x7F, 0x40, 0x00, 0x7C, 0x04, 0x78, 0x04, 0x78, 0x7C, 0x08, + 0x04, 0x04, 0x78, 0x38, 0x44, 0x44, 0x44, 0x38, 0xFC, 0x18, 0x24, 0x24, + 0x18, 0x18, 0x24, 0x24, 0x18, 0xFC, 0x7C, 0x08, 0x04, 0x04, 0x08, 0x48, + 0x54, 0x54, 0x54, 0x24, 0x04, 0x04, 0x3F, 0x44, 0x24, 0x3C, 0x40, 0x40, + 0x20, 0x7C, 0x1C, 0x20, 0x40, 0x20, 0x1C, 0x3C, 0x40, 0x30, 0x40, 0x3C, + 0x44, 0x28, 0x10, 0x28, 0x44, 0x4C, 0x90, 0x90, 0x90, 0x7C, 0x44, 0x64, + 0x54, 0x4C, 0x44, 0x00, 0x08, 0x36, 0x41, 0x00, 0x00, 0x00, 0x77, 0x00, + 0x00, 0x00, 0x41, 0x36, 0x08, 0x00, 0x02, 0x01, 0x02, 0x04, 0x02, 0x3C, + 0x26, 0x23, 0x26, 0x3C, 0x1E, 0xA1, 0xA1, 0x61, 0x12, 0x3A, 0x40, 0x40, + 0x20, 0x7A, 0x38, 0x54, 0x54, 0x55, 0x59, 0x21, 0x55, 0x55, 0x79, 0x41, + 0x22, 0x54, 0x54, 0x78, 0x42, // a-umlaut + 0x21, 0x55, 0x54, 0x78, 0x40, 0x20, 0x54, 0x55, 0x79, 0x40, 0x0C, 0x1E, + 0x52, 0x72, 0x12, 0x39, 0x55, 0x55, 0x55, 0x59, 0x39, 0x54, 0x54, 0x54, + 0x59, 0x39, 0x55, 0x54, 0x54, 0x58, 0x00, 0x00, 0x45, 0x7C, 0x41, 0x00, + 0x02, 0x45, 0x7D, 0x42, 0x00, 0x01, 0x45, 0x7C, 0x40, 0x7D, 0x12, 0x11, + 0x12, 0x7D, // A-umlaut + 0xF0, 0x28, 0x25, 0x28, 0xF0, 0x7C, 0x54, 0x55, 0x45, 0x00, 0x20, 0x54, + 0x54, 0x7C, 0x54, 0x7C, 0x0A, 0x09, 0x7F, 0x49, 0x32, 0x49, 0x49, 0x49, + 0x32, 0x3A, 0x44, 0x44, 0x44, 0x3A, // o-umlaut + 0x32, 0x4A, 0x48, 0x48, 0x30, 0x3A, 0x41, 0x41, 0x21, 0x7A, 0x3A, 0x42, + 0x40, 0x20, 0x78, 0x00, 0x9D, 0xA0, 0xA0, 0x7D, 0x3D, 0x42, 0x42, 0x42, + 0x3D, // O-umlaut + 0x3D, 0x40, 0x40, 0x40, 0x3D, 0x3C, 0x24, 0xFF, 0x24, 0x24, 0x48, 0x7E, + 0x49, 0x43, 0x66, 0x2B, 0x2F, 0xFC, 0x2F, 0x2B, 0xFF, 0x09, 0x29, 0xF6, + 0x20, 0xC0, 0x88, 0x7E, 0x09, 0x03, 0x20, 0x54, 0x54, 0x79, 0x41, 0x00, + 0x00, 0x44, 0x7D, 0x41, 0x30, 0x48, 0x48, 0x4A, 0x32, 0x38, 0x40, 0x40, + 0x22, 0x7A, 0x00, 0x7A, 0x0A, 0x0A, 0x72, 0x7D, 0x0D, 0x19, 0x31, 0x7D, + 0x26, 0x29, 0x29, 0x2F, 0x28, 0x26, 0x29, 0x29, 0x29, 0x26, 0x30, 0x48, + 0x4D, 0x40, 0x20, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, + 0x38, 0x2F, 0x10, 0xC8, 0xAC, 0xBA, 0x2F, 0x10, 0x28, 0x34, 0xFA, 0x00, + 0x00, 0x7B, 0x00, 0x00, 0x08, 0x14, 0x2A, 0x14, 0x22, 0x22, 0x14, 0x2A, + 0x14, 0x08, 0x55, 0x00, 0x55, 0x00, 0x55, // #176 (25% block) missing in old + // code + 0xAA, 0x55, 0xAA, 0x55, 0xAA, // 50% block + 0xFF, 0x55, 0xFF, 0x55, 0xFF, // 75% block + 0x00, 0x00, 0x00, 0xFF, 0x00, 0x10, 0x10, 0x10, 0xFF, 0x00, 0x14, 0x14, + 0x14, 0xFF, 0x00, 0x10, 0x10, 0xFF, 0x00, 0xFF, 0x10, 0x10, 0xF0, 0x10, + 0xF0, 0x14, 0x14, 0x14, 0xFC, 0x00, 0x14, 0x14, 0xF7, 0x00, 0xFF, 0x00, + 0x00, 0xFF, 0x00, 0xFF, 0x14, 0x14, 0xF4, 0x04, 0xFC, 0x14, 0x14, 0x17, + 0x10, 0x1F, 0x10, 0x10, 0x1F, 0x10, 0x1F, 0x14, 0x14, 0x14, 0x1F, 0x00, + 0x10, 0x10, 0x10, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x10, 0x10, 0x10, + 0x10, 0x1F, 0x10, 0x10, 0x10, 0x10, 0xF0, 0x10, 0x00, 0x00, 0x00, 0xFF, + 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0xFF, 0x10, 0x00, + 0x00, 0x00, 0xFF, 0x14, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x1F, + 0x10, 0x17, 0x00, 0x00, 0xFC, 0x04, 0xF4, 0x14, 0x14, 0x17, 0x10, 0x17, + 0x14, 0x14, 0xF4, 0x04, 0xF4, 0x00, 0x00, 0xFF, 0x00, 0xF7, 0x14, 0x14, + 0x14, 0x14, 0x14, 0x14, 0x14, 0xF7, 0x00, 0xF7, 0x14, 0x14, 0x14, 0x17, + 0x14, 0x10, 0x10, 0x1F, 0x10, 0x1F, 0x14, 0x14, 0x14, 0xF4, 0x14, 0x10, + 0x10, 0xF0, 0x10, 0xF0, 0x00, 0x00, 0x1F, 0x10, 0x1F, 0x00, 0x00, 0x00, + 0x1F, 0x14, 0x00, 0x00, 0x00, 0xFC, 0x14, 0x00, 0x00, 0xF0, 0x10, 0xF0, + 0x10, 0x10, 0xFF, 0x10, 0xFF, 0x14, 0x14, 0x14, 0xFF, 0x14, 0x10, 0x10, + 0x10, 0x1F, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x38, 0x44, 0x44, + 0x38, 0x44, 0xFC, 0x4A, 0x4A, 0x4A, 0x34, // sharp-s or beta + 0x7E, 0x02, 0x02, 0x06, 0x06, 0x02, 0x7E, 0x02, 0x7E, 0x02, 0x63, 0x55, + 0x49, 0x41, 0x63, 0x38, 0x44, 0x44, 0x3C, 0x04, 0x40, 0x7E, 0x20, 0x1E, + 0x20, 0x06, 0x02, 0x7E, 0x02, 0x02, 0x99, 0xA5, 0xE7, 0xA5, 0x99, 0x1C, + 0x2A, 0x49, 0x2A, 0x1C, 0x4C, 0x72, 0x01, 0x72, 0x4C, 0x30, 0x4A, 0x4D, + 0x4D, 0x30, 0x30, 0x48, 0x78, 0x48, 0x30, 0xBC, 0x62, 0x5A, 0x46, 0x3D, + 0x3E, 0x49, 0x49, 0x49, 0x00, 0x7E, 0x01, 0x01, 0x01, 0x7E, 0x2A, 0x2A, + 0x2A, 0x2A, 0x2A, 0x44, 0x44, 0x5F, 0x44, 0x44, 0x40, 0x51, 0x4A, 0x44, + 0x40, 0x40, 0x44, 0x4A, 0x51, 0x40, 0x00, 0x00, 0xFF, 0x01, 0x03, 0xE0, + 0x80, 0xFF, 0x00, 0x00, 0x08, 0x08, 0x6B, 0x6B, 0x08, 0x36, 0x12, 0x36, + 0x24, 0x36, 0x06, 0x0F, 0x09, 0x0F, 0x06, 0x00, 0x00, 0x18, 0x18, 0x00, + 0x00, 0x00, 0x10, 0x10, 0x00, 0x30, 0x40, 0xFF, 0x01, 0x01, 0x00, 0x1F, + 0x01, 0x01, 0x1E, 0x00, 0x19, 0x1D, 0x17, 0x12, 0x00, 0x3C, 0x3C, 0x3C, + 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00 // #255 NBSP +}; + +#endif @@ -1,7 +1,16 @@ +#include <avr/io.h> +#include <avr/pgmspace.h> #include <util/delay.h> +#include "display.h" + int main(void) { + display_init(); + int n = 1; + while (1) { + display_draw_float2(1.01 * n); + n = (n + 1) % 100; _delay_ms(1000); } |