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Completed mutual exclusion support. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15834 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2022-11-13 16:39:14 +00:00
parent 8160ccb14a
commit 252d11a9df
1 changed files with 107 additions and 6 deletions
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113
os/hal/src/hal_mmc_spi.c
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@ -44,24 +44,31 @@
/*===========================================================================*/
/* Forward declarations required by mmc_vmt.*/
static bool mmc_is_card_inserted(void *instance);
static bool mmc_is_write_protected(void *instance);
static bool mmc_connect(void *instance);
static bool mmc_disconnect(void *instance);
static bool mmc_connect(void *instance);
static bool mmc_read(void *instance, uint32_t startblk,
uint8_t *buffer, uint32_t n);
static bool mmc_write(void *instance, uint32_t startblk,
const uint8_t *buffer, uint32_t n);
static bool mmc_sync(void *instance);
static bool mmc_get_info(void *instance, BlockDeviceInfo *bdip);
/**
* @brief Virtual methods table.
*/
static const struct mmc_spi_driver_vmt mmc_vmt = {
(size_t)0,
(bool (*)(void *))mmc_lld_is_card_inserted,
(bool (*)(void *))mmc_lld_is_write_protected,
(bool (*)(void *))mmcConnect,
(bool (*)(void *))mmcDisconnect,
mmc_is_card_inserted,
mmc_is_write_protected,
mmc_connect,
mmc_disconnect,
mmc_read,
mmc_write,
(bool (*)(void *))mmcSync,
(bool (*)(void *, BlockDeviceInfo *))mmcGetInfo
mmc_sync,
mmc_get_info
};
/**
@ -96,6 +103,74 @@ static const uint8_t crc7_lookup_table[256] = {
/* Driver local functions. */
/*===========================================================================*/
static bool mmc_is_card_inserted(void *instance) {
MMCDriver *mmcp = (MMCDriver *)instance;
bool err;
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiAcquireBus(mmcp->config->spip);
#endif
err = mmcIsCardInserted(mmcp);
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiReleaseBus(mmcp->config->spip);
#endif
return err;
}
static bool mmc_is_write_protected(void *instance) {
MMCDriver *mmcp = (MMCDriver *)instance;
bool err;
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiAcquireBus(mmcp->config->spip);
#endif
err = mmcIsCardInserted(mmcp);
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiReleaseBus(mmcp->config->spip);
#endif
return err;
}
static bool mmc_connect(void *instance) {
MMCDriver *mmcp = (MMCDriver *)instance;
bool err;
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiAcquireBus(mmcp->config->spip);
#endif
err = mmcConnect(mmcp);
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiReleaseBus(mmcp->config->spip);
#endif
return err;
}
static bool mmc_disconnect(void *instance) {
MMCDriver *mmcp = (MMCDriver *)instance;
bool err;
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiAcquireBus(mmcp->config->spip);
#endif
err = mmcDisconnect(mmcp);
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiReleaseBus(mmcp->config->spip);
#endif
return err;
}
static bool mmc_read(void *instance, uint32_t startblk,
uint8_t *buffer, uint32_t n) {
MMCDriver *mmcp = (MMCDriver *)instance;
@ -168,6 +243,32 @@ static bool mmc_write(void *instance, uint32_t startblk,
return err;
}
static bool mmc_sync(void *instance) {
MMCDriver *mmcp = (MMCDriver *)instance;
bool err;
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiAcquireBus(mmcp->config->spip);
#endif
err = mmcSync(mmcp);
#if MMC_USE_MUTUAL_EXCLUSION == TRUE
spiReleaseBus(mmcp->config->spip);
#endif
return err;
}
static bool mmc_get_info(void *instance, BlockDeviceInfo *bdip) {
MMCDriver *mmcp = (MMCDriver *)instance;
bool err;
err = mmcGetInfo(mmcp, bdip);
return err;
}
/**
* @brief Calculate the MMC standard CRC-7 based on a lookup table.
*