ao-tools: move 16/32-bit readers from ao-stmload to lib

[fw/altos] / ao-tools / lib / ao-selfload.c

diff --git a/ao-tools/lib/ao-selfload.c b/ao-tools/lib/ao-selfload.c
index bf036f33daccd19c9c0de1afcd28b1c9549815c8..41e45adc4f8f21009a5f1bed4264993955776fd5 100644 (file)
--- a/ao-tools/lib/ao-selfload.c
+++ b/ao-tools/lib/ao-selfload.c
@@ -122,3 +122,37 @@ ao_self_write(struct cc_usb *cc, struct ao_hex_image *image)
        cc_usb_printf(cc,"a\n");
        return 1;
 }
        cc_usb_printf(cc,"a\n");
        return 1;
 }

+
+/*
+ * Read a 16-bit value from the USB target
+ */
+
+uint16_t
+ao_self_get_uint16(struct cc_usb *cc, uint32_t addr)
+{
+       struct ao_hex_image     *hex = ao_self_read(cc, addr, 2);
+       uint16_t                v;
+       uint8_t                 *data;
+
+       if (!hex)
+               return 0;
+       data = hex->data + addr - hex->address;
+       v = data[0] | (data[1] << 8);
+       free(hex);
+       return v;
+}
+
+uint32_t
+ao_self_get_uint32(struct cc_usb *cc, uint32_t addr)
+{
+       struct ao_hex_image     *hex = ao_self_read(cc, addr, 4);
+       uint32_t                v;
+       uint8_t                 *data;
+
+       if (!hex)
+               return 0;
+       data = hex->data + addr - hex->address;
+       v = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
+       free(hex);
+       return v;
+}