synced with newer version by Michael Baar.
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nvt-se
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10 changed files with 1367 additions and 562 deletions
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@ -42,31 +42,30 @@ Berlin, 2007
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*/
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/**
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* @file ScatterWeb.sd.internals.h
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* @file ScatterWeb.Sd.internals.h
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* @ingroup libsd
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* @brief MMC-/SD-Card library
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*
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* @author Michael Baar <baar@inf.fu-berlin.de>
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* @date Jan 2007
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* @version 0.2
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* @version $Revision: 1.2 $
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*
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* Header file containing private declarations used MMC-/SD-Card library.
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*
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* $Id: sd_internals.h,v 1.2 2008/03/28 15:58:44 nvt-se Exp $
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*/
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#ifndef SD_INTERNALS_H
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#define SD_INTERNALS_H
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#ifndef SD_INT_H_
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#define SD_INT_H_
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#include <string.h>
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#include "contiki-msb430.h"
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#include "sd_platform.h"
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#define RETF(x) if( ! x ) return false;
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#define MIN(x, y) ( x < y ) ? x : y
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#define RETF(x) if( ! x ) return FALSE;
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/**
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* @name SD Card SPI responses
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*/
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struct sd_response_r1_bits {
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struct sd_response_r1 {
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uint8_t in_idle_state:1;
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uint8_t erase_reset:1;
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uint8_t illegal_cmd:1;
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@ -77,17 +76,41 @@ struct sd_response_r1_bits {
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uint8_t start_bit:1;
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};
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struct sd_response_r2_bits {
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uint8_t card_locked:1;
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uint8_t write_failed:1;
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uint8_t unspecified_err:1;
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uint8_t controller_err:1;
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uint8_t ecc_failed:1;
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uint8_t protect_violation:1;
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uint8_t erase_param:1;
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uint8_t out_of_range:1;
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struct sd_response_r2 {
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uint16_t in_idle_state:1;
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uint16_t erase_reset:1;
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uint16_t illegal_cmd:1;
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uint16_t crc_err:1;
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uint16_t erase_seq_err:1;
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uint16_t address_err:1;
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uint16_t param_err:1;
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uint16_t start_bit:1;
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uint16_t card_locked:1;
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uint16_t write_failed:1;
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uint16_t unspecified_err:1;
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uint16_t controller_err:1;
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uint16_t ecc_failed:1;
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uint16_t protect_violation:1;
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uint16_t erase_param:1;
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uint16_t out_of_range:1;
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};
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#ifdef __TI_COMPILER_VERSION__
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#pragma pack(1)
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#endif
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struct sd_response_r3 {
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struct sd_response_r1 r1;
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#ifdef __GNUC__
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__attribute__ ((packed))
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#endif
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uint32_t ocr;
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};
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#ifdef __TI_COMPILER_VERSION__
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#pragma pack()
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#endif
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struct sd_read_error_token {
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uint8_t unspecified_err:1;
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uint8_t controller_err:1;
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@ -102,132 +125,112 @@ struct sd_data_error_token {
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uint8_t cc_error:1;
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uint8_t ecc_error:1;
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uint8_t out_of_range:1;
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uint8_t:4; // always 0 (-> SD_DATA_ERROR_TOKEN_MASK)
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uint8_t:4; // always 0 (-> SD_DATA_ERROR_TOKEN_MASK)
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};
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typedef struct sd_response_r1 {
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struct sd_response_r1_bits r1;
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} sd_response_r1_t;
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typedef struct sd_response_r2 {
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struct sd_response_r1_bits r1;
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struct sd_response_r2_bits r2;
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} sd_response_r2_t;
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typedef struct sd_response_r3 {
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uint32_t ocr;
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struct sd_response_r1_bits r1;
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} sd_response_r3_t;
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typedef struct sd_read_error_token sd_read_error_token_t;
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typedef struct sd_data_error_token sd_data_error_t;
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#define SD_DATA_ERROR_TOKEN_MASK 0x0F // mask for error token
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#define SD_R1_ERROR_MASK 0x7C // mask for error bits in r1 response
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#define SD_DATA_ERROR_TOKEN_MASK 0x0F ///< mask for error token
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#define SD_R1_ERROR_MASK 0x7C ///< mask for error bits in r1 response
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///@}
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/**
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* @name Private interface
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*/
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// Read operating condition
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bool sd_get_op_cond(sd_response_r1_t * pResponse);
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/// Reset card
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int _sd_reset(struct sd_response_r3 *pOpCond);
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// Reset card
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bool sd_reset(void);
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/// Send command and read response
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bool _sd_send_cmd(const uint8_t command,
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const int response_size,
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const void *pArg, void (*const pResponse)
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);
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// Send command and read response
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bool sd_send_cmd(const uint8_t command, const uint8_t response_type,
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const void *pArg, void (*const pResponse));
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/// Wait for card to leave idle mode
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bool _sd_wait_standby(struct sd_response_r3 *pOpCond);
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// Select card
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void sd_select(void);
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/// Read card register
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uint16_t _sd_read_register(void (*const pBuffer), const uint8_t cmd,
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const uint16_t size);
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// Unselect card
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void sd_unselect(void);
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/// Begin block read operation
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bool _sd_read_start(const uint8_t cmd, const uint32_t address);
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// Wait for card to leave idle mode
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bool sd_wait_standby(void);
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// Read card register
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uint16_t sd_read_register(void (*const pBuffer), const uint8_t cmd,
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const uint16_t size);
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// Begin block read operation
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bool sd_read_start(const uint8_t cmd, const uint32_t address);
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// Wait for begin of data
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bool sd_read_wait(void);
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// Cancel block read operation
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void sd_read_stop(const uint16_t count);
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/// Cancel block read operation
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void _sd_read_stop(const uint16_t count);
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#if SD_WRITE
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uint16_t sd_write_block_x(const uint32_t * pAddress, const void * pBuffer,
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bool incPtr);
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#endif /* */
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enum sd_write_ret _sd_write_block(const uint32_t * pAddress,
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const void *pBuffer, int increment);
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#endif
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#if SD_CACHE
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void sd_cache_init(void);
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void sd_cache_flush(void);
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#endif /* */
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void _sd_cache_init();
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void _sd_cache_flush();
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#endif
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///@}
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#define SD_TOKEN_READ 0xFE
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#define SD_TOKEN_WRITE 0xFE
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#define SD_TOKEN_ZP 0xFF
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#define SD_TOKEN_READ 0xFE
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#define SD_TOKEN_WRITE 0xFE
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#define SD_TOKEN_ZP 0xFF
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#define SD_TIMEOUT_IDLE 1000 // # of poll-cycles for reset procedure (takes some time)
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#define SD_TIMEOUT_READ 20000
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#define SD_TIMEOUT_NCR 8 // 8-64 cycles
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#define SD_TIMEOUT_IDLE 1000 // # of poll-cycles for reset procedure (takes some time)
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#define SD_TIMEOUT_READ 20000
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#define SD_TIMEOUT_NCR 8 // 8-64 cycles
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#define SD_RESET_RETRY_COUNT 4
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#define SD_V_MASK 0x003E0000 // 3,4 - 2,9 V
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#define SD_OCR_BUSY(ocr) ((ocr & 0x80000000) == 0)
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#define SD_V_MASK 0x003E0000 // 3,4 - 2,9 V
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#define SD_HCR_BIT 0x40000000
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#define SD_RESPONSE_TYPE_R1 1
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#define SD_RESPONSE_TYPE_R2 2
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#define SD_RESPONSE_TYPE_R3 5
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#define SD_RESPONSE_SIZE_R1 1
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#define SD_RESPONSE_SIZE_R2 2
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#define SD_RESPONSE_SIZE_R3 5
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/**
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* @name Command classes
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* @{
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*/
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#define SD_CCC_BASIC BIT0
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#define SD_CCC_BLOCK_READ BIT2
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#define SD_CCC_BLOCK_WRITE BIT4
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#define SD_CCC_APP_SPECIFIC BIT8
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#define SD_CCC_BASIC BIT0
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#define SD_CCC_BLOCK_READ BIT2
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#define SD_CCC_BLOCK_WRITE BIT4
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#define SD_CCC_APP_SPECIFIC BIT8
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#if SD_WRITE
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#define SD_DEFAULT_MINCCC (SD_CCC_BASIC | \
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SD_CCC_BLOCK_READ | SD_CCC_APP_SPECIFIC | SD_CCC_BLOCK_WRITE)
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#else /* */
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SD_CCC_BLOCK_READ | \
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SD_CCC_APP_SPECIFIC | \
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SD_CCC_BLOCK_WRITE)
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#else
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#define SD_DEFAULT_MINCCC (SD_CCC_BASIC | \
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SD_CCC_BLOCK_READ | SD_CCC_APP_SPECIFIC)
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#endif /* */
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SD_CCC_BLOCK_READ | \
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SD_CCC_APP_SPECIFIC)
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#endif
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//@}
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/**
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* @name Commands
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* @{
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*/
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#define SD_CMD_GO_IDLE_STATE 0 // R1 "reset command"
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#define SD_CMD_SEND_OP_COND 1 // R1 (MMC only!)
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#define SD_CMD_SEND_CSD 9 // R1
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#define SD_CMD_SEND_CID 10 // R1
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#define SD_CMD_STOP_TRANSMISSION 12 // R1b
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#define SD_CMD_SEND_STATUS 13 // R2
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#define SD_CMD_SET_BLOCKLENGTH 16
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#define SD_CMD_READ_SINGLE_BLOCK 17 // R1
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#define SD_CMD_READ_MULTI_BLOCK 18 // R1
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#define SD_CMD_WRITE_SINGLE_BLOCK 24 // R1
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#define SD_CMD_ERASE_WR_BLK_START_ADDR 32 // R1
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#define SD_CMD_ERASE_WR_BLK_END_ADDR 33 // R1
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#define SD_CMD_ERASE 38 // R1b
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#define SD_CMD_APP_SECIFIC_CMD 55
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#define SD_CMD_READ_OCR 58 // R3 OCR = voltage table
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#define SD_CMD_GO_IDLE_STATE 0 // R1 "reset command"
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#define SD_CMD_SEND_OP_COND 1 // R1 (MMC only!)
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#define SD_CMD_SEND_CSD 9 // R1
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#define SD_CMD_SEND_CID 10 // R1
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#define SD_CMD_STOP_TRANSMISSION 12 // R1b
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#define SD_CMD_SEND_STATUS 13 // R2
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#define SD_CMD_SET_BLOCKLENGTH 16
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#define SD_CMD_READ_SINGLE_BLOCK 17 // R1
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#define SD_CMD_READ_MULTI_BLOCK 18 // R1
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#define SD_CMD_WRITE_SINGLE_BLOCK 24 // R1
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#define SD_CMD_ERASE_WR_BLK_START_ADDR 32 // R1
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#define SD_CMD_ERASE_WR_BLK_END_ADDR 33 // R1
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#define SD_CMD_ERASE 38 // R1b
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#define SD_CMD_APP_SECIFIC_CMD 55
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#define SD_CMD_READ_OCR 58 // R3
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#define SD_ACMD_SEND_OP_COND 41 // R1
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#define SD_ACMD_SEND_OP_COND 41 // R1
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//@}
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#endif /* !SD_INTERNALS_H */
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#endif /*SD_INT_H_ */
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