altos/stm32f103-nucleo: Draw more of the LCO demo screen
[fw/altos] / src / stm32f103-nucleo / hello.c
index 1571eae4f5427c457ba3b352c0dd6ce7796daeef..6ecfc8730af0a92ea6096d076c076067e7b05892 100644 (file)
  */
 
 #include <ao.h>
+#include <ao_st7565.h>
 
-static void blink(void)
+#define WIDTH  AO_ST7565_WIDTH
+#define HEIGHT AO_ST7565_HEIGHT
+#define STRIDE AO_BITMAP_STRIDE(WIDTH)
+
+static uint32_t        image[STRIDE * HEIGHT];
+
+static struct ao_bitmap fb = {
+       .base = image,
+       .stride = STRIDE,
+       .width = WIDTH,
+       .height = HEIGHT,
+       .damage = AO_BOX_INIT,
+};
+
+static void
+ao_st7565_test(void)
+{
+       ao_rect(&fb, 0, 0, WIDTH, HEIGHT, AO_WHITE, AO_COPY);
+       ao_st7565_update(&fb);
+       ao_text(&fb, &BitstreamVeraSans_Roman_24_font,
+               0, 20, "hello world", AO_BLACK, AO_COPY);
+       ao_st7565_update(&fb);
+}
+
+static int16_t x1 = 32, _y1 = 10, x2 = 32, y2 = 40;
+static int16_t dx1 = 2, dy1 = 2, dx2 = -2, dy2 = -1;
+
+#define bounds(v,m,M,d)        \
+               if (v < m) {                    \
+                       v = m + m - v;          \
+                       d = -d;                 \
+               } else if (v > M) {             \
+                       v = M - (v - M);        \
+                       d = -d;                 \
+               }
+
+static void
+ao_st7565_line(void)
+{
+       int     i;
+
+       for (i = 0; i < 100; i++) {
+               ao_rect(&fb, 0, 0, WIDTH, HEIGHT, AO_WHITE, AO_COPY);
+               ao_line(&fb, x1, _y1, x2, y2, AO_BLACK, AO_COPY);
+               ao_st7565_update(&fb);
+               x1 += dx1;
+               _y1 += dy1;
+               x2 += dx2;
+               y2 += dy2;
+               printf("%d,%d - %d,%d\n", x1, _y1, x2, y2);
+               fflush(stdout);
+               bounds(x1, 0, WIDTH, dx1);
+               bounds(x2, 0, WIDTH, dx2);
+               bounds(_y1, 0, HEIGHT, dy1);
+               bounds(y2, 0, HEIGHT, dy2);
+               ao_delay(AO_MS_TO_TICKS(200));
+       }
+}
+
+static const float pad_volts = 12.3f;
+static const float lco_volts = 4.1f;
+static const int rssi = -30;
+
+static int     boxes[] = { 1, 2, 3, 5, 8, 11, 13, 17, 19, 23, 29, 31, 37, 62, 97 };
+
+//static int   max_box = 97;
+
+#define ARRAYSIZE(a)   (sizeof(a) / sizeof((a)[0]))
+
+static bool
+valid_box(int box)
+{
+       size_t i;
+       if (box == 0)
+               return true;
+       for (i = 0; i < ARRAYSIZE(boxes); i++)
+               if (boxes[i] == box)
+                       return true;
+       return false;
+}
+
+#if 0
+static void
+next_box(void)
+{
+       for (int n = box_number + 1; n <= max_box; n++)
+               if (valid_box(n)) {
+                       box_number = n;
+                       return;
+               }
+       box_number = 0;
+}
+
+static void
+prev_box(void)
+{
+       for (int n = box_number - 1; n >= 0; n--)
+               if (valid_box(n)) {
+                       box_number = n;
+                       return;
+               }
+       box_number = max_box;
+}
+#endif
+
+static const struct ao_transform logo_transform = {
+       .x_scale = 48, .x_off = 0,
+       .y_scale = 48, .y_off = 0,
+};
+
+#define BIG_FONT BitstreamVeraSans_Roman_58_font
+#define VOLT_FONT BitstreamVeraSans_Roman_58_font
+#define SMALL_FONT BitstreamVeraSans_Roman_12_font
+#define TINY_FONT BitstreamVeraSans_Roman_10_font
+#define LOGO_FONT BenguiatGothicStd_Bold_26_font
+
+#define LABEL_Y                (int16_t) (SMALL_FONT.ascent)
+#define VALUE_Y                (int16_t) (LABEL_Y + BIG_FONT.ascent + 3)
+#define BOX_X          2
+#define PAD_X          90
+#define BOX_LABEL_X    30
+#define VOLT_LABEL_X   25
+#define RSSI_LABEL_X   15
+#define PAD_LABEL_X    95
+#define SEP_X          (PAD_X - 10)
+#define SCAN_X         (WIDTH - 100) / 2
+#define SCAN_Y         49
+#define SCAN_HEIGHT    4
+#define FOUND_Y                63
+#define FOUND_WIDTH    17
+#define MAX_VALID      (WIDTH / FOUND_WIDTH)
+
+static int16_t box_number = 1;
+static int16_t pad_number = 1;
+
+static void
+ao_st7565_poly(void)
 {
-       for (;;) {
-               ao_led_for(AO_LED_GREEN, 50);
-               ao_delay(50);
+       int16_t scan_number;
+       char    str[8];
+       int     i;
+       int     v;
+       int     last_box;
+       int16_t b;
+
+       for (scan_number = 0; scan_number < 100; scan_number++) {
+               ao_rect(&fb, 0, 0, WIDTH, HEIGHT, AO_WHITE, AO_COPY);
+               ao_logo(&fb, &logo_transform, &LOGO_FONT, 0x00000000, AO_COPY);
+               if (scan_number) {
+                       ao_rect(&fb, SCAN_X, SCAN_Y, (int16_t) scan_number, SCAN_HEIGHT, 0x00000000, AO_COPY);
+                       b = 0;
+                       v = 0;
+                       last_box = 0;
+                       for (i = scan_number; i > 1; i--) {
+                               if (valid_box(i)) {
+                                       if (!last_box)
+                                               last_box = i;
+                                       v++;
+                                       if (v == MAX_VALID)
+                                               break;
+                               }
+                       }
+                       for (; i <= scan_number; i++) {
+                               if (valid_box(i)) {
+                                       sprintf(str, "%02d%s", i, i == last_box ? "" : ",");
+                                       ao_text(&fb, &TINY_FONT, 0 + FOUND_WIDTH * b, FOUND_Y, str, 0x00000000, AO_COPY);
+                                       b++;
+                               }
+                       }
+               }
+               ao_st7565_update(&fb);
+               ao_delay(AO_MS_TO_TICKS(50));
        }
+       ao_rect(&fb, 0, 0, WIDTH, HEIGHT, AO_WHITE, AO_COPY);
+       switch (box_number) {
+       case 0:
+               sprintf(str, "%4.1f", lco_volts);
+               ao_text(&fb, &VOLT_FONT, BOX_X, VALUE_Y, str, 0x00000000, AO_COPY);
+               ao_text(&fb, &SMALL_FONT, VOLT_LABEL_X, LABEL_Y, "LCO Battery", 0x00000000, AO_COPY);
+               break;
+       default:
+               switch (pad_number) {
+               case -1:
+                       sprintf(str, "%4.1f", pad_volts);
+                       ao_text(&fb, &VOLT_FONT, BOX_X, VALUE_Y, str, 0x00000000, AO_COPY);
+                       ao_text(&fb, &SMALL_FONT, VOLT_LABEL_X, LABEL_Y, "Pad Battery", 0x00000000, AO_COPY);
+                       break;
+               case 0:
+                       sprintf(str, "%4d", rssi);
+                       ao_text(&fb, &VOLT_FONT, BOX_X, VALUE_Y, str, 0x00000000, AO_COPY);
+                       ao_text(&fb, &SMALL_FONT, RSSI_LABEL_X, LABEL_Y, "Signal Strength", 0x00000000, AO_COPY);
+                       break;
+               default:
+                       sprintf(str, "%02d", box_number);
+                       ao_text(&fb, &BIG_FONT, BOX_X, VALUE_Y, str, 0x00000000, AO_COPY);
+                       ao_text(&fb, &SMALL_FONT, BOX_LABEL_X, LABEL_Y, "Box", 0x00000000, AO_COPY);
+
+                       sprintf(str, "%d", pad_number);
+                       ao_text(&fb, &BIG_FONT, PAD_X, VALUE_Y, str, 0x00000000, AO_COPY);
+                       ao_text(&fb, &SMALL_FONT, PAD_LABEL_X, LABEL_Y, "Pad", 0x00000000, AO_COPY);
+
+                       ao_rect(&fb, SEP_X, 0, 2, HEIGHT, 0x00000000, AO_COPY);
+               }
+               break;
+       }
+       ao_st7565_update(&fb);
 }
 
-static struct ao_task blink_task;
+const struct ao_cmds ao_st7565_cmds[] = {
+       { ao_st7565_test, "g\0Test ST7565 display" },
+       { ao_st7565_line, "l\0Draw lines" },
+       { ao_st7565_poly, "p\0Draw polygon" },
+       { 0, NULL },
+};
 
 int main(void)
 {
        ao_clock_init();
        ao_led_init();
        ao_timer_init();
+       ao_task_init();
+       ao_dma_init();
+       ao_spi_init();
        ao_serial_init();
        ao_usb_init();
-       ao_task_init();
+       ao_st7565_init();
        ao_cmd_init();
-       ao_add_task(&blink_task, blink, "blink");
+       ao_cmd_register(ao_st7565_cmds);
        ao_start_scheduler();
 }