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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-05-26 12:42:14 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-05-26 12:42:14 +0000 |
| commit | d22d4c839e7438786d23921641bdabffac4dd247 (patch) | |
| tree | d5e1412222af208fadca9417de69fb9bf4be8c78 /os/hal/src | |
| parent | 61d215fb3ddf88f78077ac780401613da85f44d7 (diff) | |
| download | ChibiOS-d22d4c839e7438786d23921641bdabffac4dd247.tar.gz ChibiOS-d22d4c839e7438786d23921641bdabffac4dd247.tar.bz2 ChibiOS-d22d4c839e7438786d23921641bdabffac4dd247.zip | |
API for flash memory mapping, requires implementation.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9534 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/src')
| -rw-r--r-- | os/hal/src/hal_qspi.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/os/hal/src/hal_qspi.c b/os/hal/src/hal_qspi.c index d3cf0cf32..dd091498b 100644 --- a/os/hal/src/hal_qspi.c +++ b/os/hal/src/hal_qspi.c @@ -92,12 +92,16 @@ void qspiStart(QSPIDriver *qspip, const QSPIConfig *config) { osalDbgCheck((qspip != NULL) && (config != NULL));
+
osalSysLock();
+
osalDbgAssert((qspip->state == QSPI_STOP) || (qspip->state == QSPI_READY),
"invalid state");
+
qspip->config = config;
qspi_lld_start(qspip);
qspip->state = QSPI_READY;
+
osalSysUnlock();
}
@@ -115,10 +119,13 @@ void qspiStop(QSPIDriver *qspip) { osalDbgCheck(qspip != NULL);
osalSysLock();
+
osalDbgAssert((qspip->state == QSPI_STOP) || (qspip->state == QSPI_READY),
"invalid state");
+
qspi_lld_stop(qspip);
qspip->state = QSPI_STOP;
+
osalSysUnlock();
}
@@ -136,8 +143,11 @@ void qspiStartCommand(QSPIDriver *qspip, const qspi_command_t *cmdp) { osalDbgCheck((qspip != NULL) && (cmdp != NULL));
osalSysLock();
+
osalDbgAssert(qspip->state == QSPI_READY, "not ready");
+
qspiStartCommandI(qspip, cmdp);
+
osalSysUnlock();
}
@@ -159,8 +169,11 @@ void qspiStartSend(QSPIDriver *qspip, const qspi_command_t *cmdp, osalDbgCheck((n > 0U) && (txbuf != NULL));
osalSysLock();
+
osalDbgAssert(qspip->state == QSPI_READY, "not ready");
+
qspiStartSendI(qspip, cmdp, n, txbuf);
+
osalSysUnlock();
}
@@ -182,8 +195,11 @@ void qspiStartReceive(QSPIDriver *qspip, const qspi_command_t *cmdp, osalDbgCheck((n > 0U) && (rxbuf != NULL));
osalSysLock();
+
osalDbgAssert(qspip->state == QSPI_READY, "not ready");
+
qspiStartReceiveI(qspip, cmdp, n, rxbuf);
+
osalSysUnlock();
}
@@ -206,10 +222,13 @@ void qspiCommand(QSPIDriver *qspip, const qspi_command_t *cmdp) { osalDbgCheck((cmdp->cfg & QSPI_CFG_DATA_MODE_MASK) == QSPI_CFG_DATA_MODE_NONE);
osalSysLock();
+
osalDbgAssert(qspip->state == QSPI_READY, "not ready");
osalDbgAssert(qspip->config->end_cb == NULL, "has callback");
+
qspiStartCommandI(qspip, cmdp);
(void) osalThreadSuspendS(&qspip->thread);
+
osalSysUnlock();
}
@@ -235,10 +254,13 @@ void qspiSend(QSPIDriver *qspip, const qspi_command_t *cmdp, osalDbgCheck((cmdp->cfg & QSPI_CFG_DATA_MODE_MASK) != QSPI_CFG_DATA_MODE_NONE);
osalSysLock();
+
osalDbgAssert(qspip->state == QSPI_READY, "not ready");
osalDbgAssert(qspip->config->end_cb == NULL, "has callback");
+
qspiStartSendI(qspip, cmdp, n, txbuf);
(void) osalThreadSuspendS(&qspip->thread);
+
osalSysUnlock();
}
@@ -264,14 +286,71 @@ void qspiReceive(QSPIDriver *qspip, const qspi_command_t *cmdp, osalDbgCheck((cmdp->cfg & QSPI_CFG_DATA_MODE_MASK) != QSPI_CFG_DATA_MODE_NONE);
osalSysLock();
+
osalDbgAssert(qspip->state == QSPI_READY, "not ready");
osalDbgAssert(qspip->config->end_cb == NULL, "has callback");
+
qspiStartReceiveI(qspip, cmdp, n, rxbuf);
(void) osalThreadSuspendS(&qspip->thread);
+
osalSysUnlock();
}
#endif /* QSPI_USE_WAIT == TRUE */
+#if (QSPI_SUPPORTS_MEMMAP == TRUE) || defined(__DOXYGEN__)
+/**
+ * @brief Maps in memory space a QSPI flash device.
+ * @pre The memory flash device must be initialized appropriately
+ * before mapping it in memory space.
+ *
+ * @param[in] qspip pointer to the @p QSPIDriver object
+ * @param[in] cmdp pointer to the command descriptor
+ * @param[out] addrp pointer to the memory start address of the mapped
+ * flash or @p NULL
+ *
+ * @api
+ */
+void qspiMapFlash(QSPIDriver *qspip,
+ const qspi_command_t *cmdp,
+ uint8_t **addrp) {
+
+ osalDbgCheck((qspip != NULL) && (cmdp != NULL));
+ osalDbgCheck((cmdp->cfg & QSPI_CFG_DATA_MODE_MASK) != QSPI_CFG_DATA_MODE_NONE);
+
+ osalSysLock();
+
+ osalDbgAssert(qspip->state == QSPI_READY, "not ready");
+
+ qspiMapFlashI(qspip, cmdp, addrp);
+ qspip->state = QSPI_MEMMAP;
+
+ osalSysUnlock();
+}
+
+/**
+ * @brief Maps in memory space a QSPI flash device.
+ * @post The memory flash device must be re-initialized for normal
+ * commands exchange.
+ *
+ * @param[in] qspip pointer to the @p QSPIDriver object
+ *
+ * @api
+ */
+void qspiUnmapFlash(QSPIDriver *qspip) {
+
+ osalDbgCheck(qspip != NULL);
+
+ osalSysLock();
+
+ osalDbgAssert(qspip->state == QSPI_MEMMAP, "not ready");
+
+ qspiUnmapFlashI(qspip);
+ qspip->state = QSPI_READY;
+
+ osalSysUnlock();
+}
+#endif /* QSPI_SUPPORTS_MEMMAP == TRUE */
+
#if (QSPI_USE_MUTUAL_EXCLUSION == TRUE) || defined(__DOXYGEN__)
/**
* @brief Gains exclusive access to the QSPI bus.
|