Small bug in 'machine_mem.c" fixed

Author: loboris

firmware/MaixPy.bin

@@ -358,7 +358,7 @@ STATIC mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args)
         mp_int_t freq = mp_obj_get_int(args[0]);
         freq = (freq / 10) * 10;
         if ((freq != 100) && (freq != 200) && (freq != 400)) {
-            mp_raise_ValueError("Allowed CPU frequencies: 100, 400, 400 MHz");
+            mp_raise_ValueError("Allowed CPU frequencies: 100, 200, 400 MHz");
         }
         freq *= 1000000;
         if (pll0 > 0) sysctl_pll_set_freq(SYSCTL_PLL0, pll0);
@@ -785,7 +785,6 @@ STATIC mp_obj_t mod_machine_membytes(mp_obj_t size_in)
 {
     uint16_t size = mp_obj_get_int(size_in);
     if ((size < 9) || (size > MYCROPY_SYS_RAMBUF_SIZE)) {
-        mp_raise_ValueError("Out pf membytes size range (9 ~ ");
         nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Out pf membytes size range (9 ~ %d)", MYCROPY_SYS_RAMBUF_SIZE));
     }
     machine_mem_obj_t *self = m_new_obj(machine_mem_obj_t);

firmware/MaixPy.kfpkg

@@ -59,7 +59,7 @@ STATIC uintptr_t machine_mem_get_addr(mp_obj_t addr_o, uint align) {
 STATIC void machine_mem_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
     (void)kind;
     machine_mem_obj_t *self = MP_OBJ_TO_PTR(self_in);
-    if ((self->elem_size > 0) && (self->elem_size < 8)) mp_printf(print, "<%u-bit memory>", 8 * self->elem_size);
+    if ((self->elem_size > 0) && (self->elem_size <= 8)) mp_printf(print, "<%u-bit memory>", 8 * self->elem_size);
     else if (self->elem_size > 8) mp_printf(print, "<%u bytes memory>", self->elem_size);
     else mp_printf(print, "<string memory>");
 }
@@ -79,7 +79,7 @@ STATIC mp_obj_t machine_mem_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t va
         uintptr_t ram_addr = addr + K210_SRAM_START_ADDRESS;
         int max_len = K210_SRAM_SIZE - addr;
 
-        if ((self->elem_size > 0) && (self->elem_size < 8)) val_len = self->elem_size * 8;
+        if ((self->elem_size > 0) && (self->elem_size <= 8)) val_len = self->elem_size * 8;
         else if (self->elem_size > 8) {
             // membytes
             memcpy(strval, (uint8_t*)ram_addr, (MYCROPY_SYS_RAMBUF_SIZE > max_len) ? max_len : MYCROPY_SYS_RAMBUF_SIZE);
@@ -111,7 +111,7 @@ STATIC mp_obj_t machine_mem_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t va
         uint64_t val = 0;
         size_t val_len = 0;
         const char *strval = NULL;
-        if ((self->elem_size > 0) && (self->elem_size < 8)) {
+        if ((self->elem_size > 0) && (self->elem_size <= 8)) {
             val = mp_obj_get_int_truncated(value);
             val_len = self->elem_size* 8;
         }