Espresso 0.0.2a

kernel/vars.c

@@ -4,13 +4,22 @@
 
 #include <kernel/vars.h>
 
+/*
+  Number of bytes in kernel variable space: 4096  (4KiB)
+  Number of bits in kernel variable space:  32768 (32Mib)
+*/
 
-static uint8_t* vars_start = NULL;
-
-static int num_bytes_used = 0;
+uint8_t vars[KERNEL_VARIABLES_SIZE];
 
 void init_vars(void)
 {
-  vars_start = (uint8_t*) malloc(8 * 1024); /* 1 KiB */
-  memclr(vars_start, (size_t) 1024);
+  memset(vars, 0, KERNEL_VARIABLES_SIZE);
+}
+
+/* bo = bit offset */
+void set_bit_bo(uint32_t offset, uint8_t val)
+{
+  /* First, extract the byte offset. (round down to a multiple of 8, and divide by 8. */
+  (void) offset;
+  (void) val;
 }