} am7xxx_image_format;
typedef enum {
- AM7XXX_POWER_OFF = 0,
- AM7XXX_POWER_LOW = 1,
- AM7XXX_POWER_MID = 2,
- AM7XXX_POWER_HIGH = 3,
+ AM7XXX_POWER_OFF = 0,
+ AM7XXX_POWER_LOW = 1,
+ AM7XXX_POWER_MIDDLE = 2,
+ AM7XXX_POWER_HIGH = 3,
+ AM7XXX_POWER_TURBO = 4,
} am7xxx_power_mode;
+struct am7xxx_generic_header {
+ uint32_t field0;
+ uint32_t field1;
+ uint32_t field2;
+ uint32_t field3;
+};
+
struct am7xxx_image_header {
uint32_t format;
uint32_t width;
};
struct am7xxx_power_header {
- uint32_t power_low;
- uint32_t power_mid;
- uint32_t power_high;
+ uint32_t bit2;
+ uint32_t bit1;
+ uint32_t bit0;
};
/*
* 04 00 00 00 00 0c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
*/
+/* The header size on the wire is known to be always 24 bytes, regardless of
+ * the memory configuration enforced by different architechtures or compilers
+ * for struct am7xxx_header
+ */
+#define AM7XXX_HEADER_WIRE_SIZE 24
+
struct am7xxx_header {
uint32_t packet_type;
uint8_t unknown0;
uint8_t unknown2;
uint8_t unknown3;
union {
+ struct am7xxx_generic_header data;
struct am7xxx_image_header image;
struct am7xxx_power_header power;
} header_data;
uint8_t *image,
unsigned int size);
+/*
+ * NOTE: if we set the mode to AM7XXX_POWER_OFF we can't turn the
+ * display on again by using only am7xxx_set_power_mode().
+ *
+ * Remember to mention that when writing the API doc.
+ */
+int am7xxx_set_power_mode(am7xxx_device dev, am7xxx_power_mode mode);
+
#ifdef __cplusplus
}
#endif