27 lines
700 B
C
27 lines
700 B
C
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#ifndef EPD_COMMON_H
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#define EPD_COMMON_H
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#include <stddef.h>
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#include <stdint.h>
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typedef enum { EPD_OK = 0, EPD_FAIL } epd_ret_t;
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typedef struct {
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epd_ret_t (*write_command_cb)(void *handle, uint8_t *command, uint32_t len);
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epd_ret_t (*write_data_cb)(void *handle, uint8_t *data, uint32_t len);
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epd_ret_t (*reset_cb)(void *handle);
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epd_ret_t (*poll_busy_cb)(void *handle);
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epd_ret_t (*delay_cb)(void *handle, uint32_t msec);
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} epd_cb_t;
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typedef struct {
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uint32_t x_start;
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uint32_t x_end;
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uint32_t y_start;
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uint32_t y_end;
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} epd_coord_t;
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#define EPD_ASSERT(x) if(!(x)) for(;;) { /* ABORT. */}
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#define EPD_ERROR_CHECK(x) if(x != EPD_OK) return EPD_FAIL
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#endif
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