#ifndef __BSP_SD_SPI_H
#define __BSP_SD_SPI_H

#include "ch32v30x.h"

#define BSP_SD_BLOCK_SIZE 512

#define BSP_SD_SPI                           SPI2
#define BSP_SD_SPI_CLK_ENABLE()              RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE)

#define BSP_SD_SPI_SCK_PIN                   GPIO_Pin_13                 /* PB.13 */
#define BSP_SD_SPI_SCK_GPIO_PORT             GPIOB                       /* GPIOB */
#define BSP_SD_SPI_SCK_GPIO_CLK              RCC_APB2Periph_GPIOB
#define BSP_SD_SPI_MISO_PIN                  GPIO_Pin_14                 /* PB.14 */
#define BSP_SD_SPI_MISO_GPIO_PORT            GPIOB                       /* GPIOB */
#define BSP_SD_SPI_MISO_GPIO_CLK             RCC_APB2Periph_GPIOB
#define BSP_SD_SPI_MOSI_PIN                  GPIO_Pin_15                 /* PB.15 */
#define BSP_SD_SPI_MOSI_GPIO_PORT            GPIOB                       /* GPIOB */
#define BSP_SD_SPI_MOSI_GPIO_CLK             RCC_APB2Periph_GPIOB
#define BSP_SD_CS_PIN                        GPIO_Pin_12                 /* PB.12 */
#define BSP_SD_CS_GPIO_PORT                  GPIOB                       /* GPIOB */
#define BSP_SD_CS_GPIO_CLK                   RCC_APB2Periph_GPIOB

#define BSP_SD_TX_DMA_CHANNEL                DMA1_Channel5
#define BSP_SD_RX_DMA_CHANNEL                DMA1_Channel4
#define BSP_SD_TX_DMA_IT_TC_FLAG             DMA1_IT_TC4

typedef enum {
  bsp_sd_type_unknown = 0,
  bsp_sd_type_mmc,
  bsp_sd_type_sdv1,
  bsp_sd_type_sdv2,
  bsp_sd_type_sdv2hc,
} bsp_sd_type_t;

typedef enum {
  bsp_sd_error_none = 0,
  bsp_sd_error_no_card,
  bsp_sd_error_invalid_parameter,
  bsp_sd_error_unknown_card_type,
  bsp_sd_error_not_ready,
  bsp_sd_error_invalid_response,
  bsp_sd_error_timeout,
} bsp_sd_error_t;

typedef struct {
  bsp_sd_type_t card_type;
  uint32_t sector_count;
} bsp_card_info_t;

bsp_sd_error_t bsp_sd_init(void);

bsp_sd_error_t bsp_sd_read_block(uint8_t* buffer, uint32_t sector_address);
bsp_sd_error_t bsp_sd_read_multi_blocks(uint8_t* buffer, uint32_t sector_address, uint16_t sector_count);
bsp_sd_error_t bsp_sd_write_block(const uint8_t *buffer, uint32_t sector_address);
bsp_sd_error_t bsp_sd_write_multi_blocks(const uint8_t *buffer, uint32_t sector_address, uint16_t sector_count);

void bsp_sd_spi_get_card_info(bsp_card_info_t *card_info_out);

#endif