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85 lines
2.5 KiB
85 lines
2.5 KiB
#include "ufi_driver.h"
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#include "class_ufi.h"
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#include <dev_transfers.h>
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#include <string.h>
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uint32_t usb_ufi_get_cap(const uint16_t dev_index) {
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device_config_storage *const dev = (device_config_storage *)get_usb_device_config(dev_index);
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ufi_format_capacities_response response;
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memset(&response, 0, sizeof(ufi_format_capacities_response));
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wait_for_device_ready(dev, 25);
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// not sure if we need to do this to 'clear' some state
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ufi_inquiry_response inquiry;
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ufi_inquiry(dev, &inquiry);
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wait_for_device_ready(dev, 15);
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const usb_error result = ufi_read_frmt_caps(dev, &response);
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if (result != USB_ERR_OK)
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return 0;
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return convert_from_msb_first(response.descriptors[0].number_of_blocks);
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}
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uint8_t usb_ufi_read(const uint16_t dev_index, uint8_t *const buffer) {
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device_config_storage *const dev = (device_config_storage *)get_usb_device_config(dev_index);
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if (wait_for_device_ready((device_config *)dev, 20) != 0)
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return -1; // Not READY!
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usb_error result;
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ufi_interrupt_status sense_codes;
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memset(&sense_codes, 0, sizeof(sense_codes));
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if (ufi_read_write_sector((device_config *)dev, false, dev->current_lba, 1, buffer, (uint8_t *)&sense_codes) != USB_ERR_OK)
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return -1; // general error
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ufi_request_sense_response response;
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memset(&response, 0, sizeof(response));
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if ((result = ufi_request_sense((device_config *)dev, &response)) != USB_ERR_OK)
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return -1; // error
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const uint8_t asc = response.asc;
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const uint8_t ascq = response.ascq;
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const uint8_t sense_key = response.sense_key;
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if (sense_key != 0)
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return -1;
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return USB_ERR_OK;
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}
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usb_error usb_ufi_write(const uint16_t dev_index, uint8_t *const buffer) {
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device_config_storage *const dev = (device_config_storage *)get_usb_device_config(dev_index);
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if (wait_for_device_ready((device_config *)dev, 20) != 0)
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return -1; // Not READY!
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ufi_interrupt_status sense_codes;
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memset(&sense_codes, 0, sizeof(sense_codes));
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if ((ufi_read_write_sector((device_config *)dev, true, dev->current_lba, 1, buffer, (uint8_t *)&sense_codes)) != USB_ERR_OK) {
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return -1;
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}
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ufi_request_sense_response response;
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memset(&response, 0, sizeof(response));
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if ((ufi_request_sense((device_config *)dev, &response)) != USB_ERR_OK) {
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return -1;
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}
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const uint8_t asc = response.asc;
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const uint8_t ascq = response.ascq;
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const uint8_t sense_key = response.sense_key;
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if (sense_key != 0)
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return -1;
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return USB_ERR_OK;
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}
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