test-display2: Clean up display handling

[home-hw.git] / test-display2 / main.c

diff --git a/test-display2/main.c b/test-display2/main.c
index 57c52d68e018fee37c39ce8374f1eb1613f3dc82..d8e9cdf12e1b4da5b17cff639fe7d950ba50d21c 100644 (file)
--- a/test-display2/main.c
+++ b/test-display2/main.c
@@ -122,9 +122,29 @@ static void delay_ms(uint ms)
 static byte disp[4];
 static byte ctrl = 0x56;
 
+static const byte disp_font[] = {
+       [0] = 0xee,
+       [1] = 0x82,
+       [2] = 0xdc,
+       [3] = 0xd6,
+       [4] = 0xb2,
+       [5] = 0x76,
+       [6] = 0x7e,
+       [7] = 0xc2,
+       [8] = 0xfe,
+       [9] = 0xf6,
+       [10] = 0xea,
+       [11] = 0x3e,
+       [12] = 0x6c,
+       [13] = 0x9e,
+       [14] = 0x7c,
+       [15] = 0x78,
+};
+
 static void display_update(void)
 {
        // debug_puts("Display update\n");
+
        byte cmds[4];
        cmds[0] = 0;
        cmds[1] = ctrl;
@@ -153,50 +173,6 @@ static void display_init(void)
        display_update();
 }
 
-static void display_test(void)
-{
-       static byte mode;
-
-       disp[0] ^= 0x01;
-       display_update();
-
-#if 0
-       byte cmds[] = { 0x00, mode ? 0x77 : 0x77 };
-       i2c_transfer7(I2C1, 0x70/2, (byte *) cmds, sizeof(cmds), NULL, 0);
-#endif
-
-#if 0
-       byte disp[] = { 0xff, 0xff, mode ? 0xff : 0x00, mode ? 0xff : 0xff };
-       byte cmds[] = { 0x00, 0x77, 0, 0, 0, 0 };
-       cmds[2] = (disp[0] & 0xf0) | (disp[2] >> 4);
-       cmds[3] = (disp[1] & 0xf0) | (disp[3] >> 4);
-       cmds[4] = (disp[2] & 0x0f) | (disp[0] << 4);
-       cmds[5] = (disp[3] & 0x0f) | (disp[1] << 4);
-       i2c_transfer7(I2C1, 0x70/2, (byte *) cmds, sizeof(cmds), NULL, 0);
-#endif
-
-       mode = !mode;
-}
-
-static const byte lcd_font[] = {
-       [0] = 0xee,
-       [1] = 0x82,
-       [2] = 0xdc,
-       [3] = 0xd6,
-       [4] = 0xb2,
-       [5] = 0x76,
-       [6] = 0x7e,
-       [7] = 0xc2,
-       [8] = 0xfe,
-       [9] = 0xf6,
-       [10] = 0xea,
-       [11] = 0x3e,
-       [12] = 0x6c,
-       [13] = 0x9e,
-       [14] = 0x7c,
-       [15] = 0x78,
-};
-
 /*** Infrared Remote Control ***/
 
 static void ir_init(void)
@@ -322,7 +298,7 @@ static void ir_decode(void)
        static u32 ir_code;
 #define IR_ERR 0xff
 
-       debug_printf("IR(%d): %d %d\n", ir_bits, mark, space);
+       // debug_printf("IR(%d): %d %d\n", ir_bits, mark, space);
 
        if (space == IR_INF) {
                ir_bits = 0;
@@ -335,7 +311,7 @@ static void ir_decode(void)
                                ir_bits = 1;
                                ir_code = 0;
                        } else if (between(space, 2000, 2300)) {
-                               debug_printf("==> REP\n");
+                               debug_printf("IR ==> REP\n");
                                ir_bits = IR_ERR;
                        }
                }
@@ -351,7 +327,9 @@ static void ir_decode(void)
                                ir_bits = IR_ERR;
                        }
                        if (ir_bits == 33) {
-                               debug_printf("==> %08x\n", (uint)ir_code);
+                               debug_printf("IR ==> %08x\n", (uint)ir_code);
+                               disp[3] ^= 0x01;
+                               display_update();
                                ir_bits = IR_ERR;
                        }
                } else {
@@ -494,13 +472,13 @@ static void ep01_cb(usbd_device *dev, uint8_t ep UNUSED)
        debug_printf("USB: Host sent %u bytes\n", len);
        if (len >= 5) {
                for (uint i=0; i<4; i++) {
+                       disp[i] &= 0x01;
                        if (buf[i] < 16)
-                               disp[i] = lcd_font[buf[i]];
-                       else
-                               disp[i] = 0;
+                               disp[i] |= disp_font[buf[i]];
                }
+               disp[1] &= 0xfe;
                if (buf[4])
-                       disp[1] |= 1;
+                       disp[1] |= 0x01;
                display_update();
        }
 }
@@ -582,7 +560,8 @@ int main(void)
                if (ms_ticks - last_blink >= 500) {
                        debug_led_toggle();
                        last_blink = ms_ticks;
-                       display_test();
+                       disp[0] ^= 0x01;
+                       display_update();
                }
 
                ir_decode();