touch buttons set LED programs, added another ribbon LED program

also added PRNG

firmware/app/misc/tinymt.h

@@ -0,0 +1,39 @@
+/**
+ * Tiny Mersenne Twister
+ */
+
+#ifndef TINYMT_RAND_H_
+#define TINYMT_RAND_H_
+
+
+
+/**
+ * tinymt32 internal state vector and parameters
+ */
+typedef struct {
+    uint32_t status[4];
+    uint32_t mat1;
+    uint32_t mat2;
+    uint32_t tmat;
+} tinymt32_t;
+
+
+
+extern tinymt32_t tinymt32_s;
+
+
+
+void tinymt32_init(tinymt32_t *s, uint32_t seed);
+uint32_t tinymt32_get_uint32(tinymt32_t* s);
+
+#define prng_get8()         (tinymt32_get_uint32(&tinymt32_s) & 0xff)
+#define prng_get16()        (tinymt32_get_uint32(&tinymt32_s) & 0xffff)
+#define prng_get32()        tinymt32_get_uint32(&tinymt32_s)
+
+
+
+uint16_t prng_scale16(uint16_t min, uint16_t max);
+
+
+
+#endif /* TINYMT_RAND_H */