24 uint8_t spi_write_data(handle_t *handle, uint8_t *buffer, int length)  in spi_write_data()  argument
26     spi_handle_t *spi_handle = (spi_handle_t *)handle;  in spi_write_data()
35     buffer[length] = checksum(handle, buffer, length);  in spi_write_data()
43 uint8_t spi_write_cmd(handle_t *handle, uint8_t cmd)  in spi_write_cmd()  argument
45     spi_handle_t *spi_handle = (spi_handle_t *)handle;  in spi_write_cmd()
66 uint8_t spi_read_data(handle_t *handle, uint8_t *data, int length)  in spi_read_data()  argument
68     spi_handle_t *spi_handle = (spi_handle_t *)handle;  in spi_read_data()
94 uint8_t spi_read_ack(handle_t *handle)  in spi_read_ack()  argument
96     spi_handle_t *spi_handle = (spi_handle_t *)handle;  in spi_read_ack()
129 uint8_t spi_sync(handle_t *handle)  in spi_sync()  argument
131     spi_handle_t *spi_handle = (spi_handle_t *)handle;  in spi_sync()
145         return handle->read_ack(handle);  in spi_sync()
150 int spi_init(handle_t *handle)  in spi_init()  argument
152     spi_handle_t *spi_handle = (spi_handle_t *)handle;  in spi_init()
156     handle->cmd_erase = CMD_ERASE;  in spi_init()
157     handle->cmd_read_memory = CMD_READ_MEMORY;  in spi_init()
158     handle->cmd_write_memory = CMD_WRITE_MEMORY;  in spi_init()
160     handle->no_extra_sync = 0;  in spi_init()
162     handle->write_data = spi_write_data;  in spi_init()
163     handle->write_cmd = spi_write_cmd;  in spi_init()
164     handle->read_data = spi_read_data;  in spi_init()
165     handle->read_ack = spi_read_ack;  in spi_init()
185     if (spi_sync(handle) == CMD_ACK)  in spi_init()