git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1181 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2009-09-25 14:56:57 +00:00
parent df471c9756
commit 7c2813c271
5 changed files with 125 additions and 20 deletions

View File

@ -27,11 +27,6 @@
#include <ch.h>
#include <mac.h>
/**
* @brief Interface status.
*/
static enum {ifStopped = 0, ifStarted} state;
/**
* @brief Transmit descriptors counter semaphore.
*/
@ -42,12 +37,21 @@ static Semaphore tdsem, rdsem;
*/
void macInit(void) {
chSemInit(&tdsem, MAC_TRANSMIT_DESCRIPTORS);
chSemInit(&rdsem, 0);
state = ifStopped;
mac_lld_init();
}
/**
* @brief Initialize the standard part of a @p MACDriver structure.
*
* @param[in] macp pointer to the @p MACDriver object
*/
void macObjectInit(MACDriver *macp) {
chSemInit(&macp->md_tdsem, MAC_TRANSMIT_DESCRIPTORS);
chSemInit(&macp->md_rdsem, 0);
macp->md_state = ifStopped;
}
/**
* @brief MAC address setup.
*
@ -61,7 +65,7 @@ void macInit(void) {
*/
void macSetAddress(MACDriver *macp, uint8_t *p) {
if (state == ifStopped)
if (macp->md_state == ifStopped)
mac_lld_set_address(macp, p);
}
@ -74,11 +78,11 @@ void macSetAddress(MACDriver *macp, uint8_t *p) {
void macStart(MACDriver *macp) {
chSysLock();
if (state == ifStarted) {
if (macp->md_state == ifStarted) {
chSysUnlock();
return;
}
state = ifStarted;
macp->md_state = ifStarted;
chSysUnlock();
mac_lld_start(macp);
}
@ -91,13 +95,13 @@ void macStart(MACDriver *macp) {
void macStop(MACDriver *macp) {
chSysLock();
if (state == ifStopped) {
if (macp->md_state == ifStopped) {
chSysUnlock();
return;
}
state = ifStopped;
chSemResetI(&tdsem, MAC_TRANSMIT_DESCRIPTORS);
chSemResetI(&rdsem, 0);
macp->md_state = ifStopped;
chSemResetI(&macp->md_tdsem, MAC_TRANSMIT_DESCRIPTORS);
chSemResetI(&macp->md_rdsem, 0);
chSchRescheduleS();
chSysUnlock();
mac_lld_stop(macp);
@ -124,7 +128,8 @@ MACTransmitDescriptor *macWaitTransmitDescriptor(MACDriver *macp,
chSysLock();
if ((state == ifStopped) || (chSemWaitTimeoutS(&tdsem, time) != RDY_OK))
if ((macp->md_state == ifStopped) ||
(chSemWaitTimeoutS(&tdsem, time) != RDY_OK))
tdp = NULL;
else
tdp = max_lld_get_transmit_descriptor(macp);
@ -143,7 +148,7 @@ MACTransmitDescriptor *macWaitTransmitDescriptor(MACDriver *macp,
void macReleaseTransmitDescriptor(MACDriver *macp,
MACTransmitDescriptor *tdp) {
if (state == ifStarted)
if (macp->md_state == ifStarted)
mac_lld_release_transmit_descriptor(macp, tdp);
}
@ -169,7 +174,8 @@ MACReceiveDescriptor *macWaitReceiveDescriptor(MACDriver *macp,
chSysLock();
if ((state == ifStopped) || (chSemWaitTimeoutS(&rdsem, time) != RDY_OK))
if ((macp->md_state == ifStopped) ||
(chSemWaitTimeoutS(&rdsem, time) != RDY_OK))
rdp = NULL;
else
rdp = max_lld_get_receive_descriptor(macp);
@ -189,7 +195,7 @@ MACReceiveDescriptor *macWaitReceiveDescriptor(MACDriver *macp,
void macReleaseReceiveDescriptor(MACDriver *macp,
MACReceiveDescriptor *rdp) {
if (state == ifStarted)
if (macp->md_state == ifStarted)
mac_lld_release_receive_descriptor(macp, rdp);
}

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@ -49,6 +49,7 @@
extern "C" {
#endif
void macInit(void);
void macObjectInit(MACDriver *macp);
void macSetAddress(MACDriver *macp, uint8_t *p);
void macStart(MACDriver *macp);
void macStop(MACDriver *macp);

View File

@ -25,6 +25,85 @@
*/
#include <ch.h>
#include <mac.h>
#include <phy.h>
/**
* @brief Interface status.
*/
static enum {ifStopped = 0, ifStarted} state;
/**
* @brief PHY Driver initialization.
*/
void phyInit(void) {
state = ifStopped;
}
/**
* Initializes a PHY device.
*
* @param[in] macp pointer to the @p MACDriver object
*/
void phyReset(MACDriver *macp) {
}
/**
* @brief Puts the PHY device in active mode.
*
* @param[in] macp pointer to the @p MACDriver object
*/
void phyStart(MACDriver *macp) {
chSysLock();
if (state == ifStarted) {
chSysUnlock();
return;
}
state = ifStarted;
chSysUnlock();
phy_lld_start(macp);
}
/**
* @brief Puts the PHY device in a low power mode.
*
* @param[in] macp pointer to the @p MACDriver object
*/
void phyStop(MACDriver *macp) {
chSysLock();
if (state == ifStopped) {
chSysUnlock();
return;
}
state = ifStopped;
chSysUnlock();
phy_lld_stop(macp);
}
/**
* @brief Reads a PHY register.
*
* @param[in] macp pointer to the @p MACDriver object
* @param addr the register address
* @return The register value.
*/
phyreg_t phyGet(MACDriver *macp, phyaddr_t addr) {
}
/**
* @brief Writes a PHY register.
*
* @param[in] macp pointer to the @p MACDriver object
* @param addr the register address
* @param value the new register value
*/
void phyPut(MACDriver *macp, phyaddr_t addr, phyreg_t value) {
}
/** @} */

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@ -27,12 +27,28 @@
#ifndef _PHY_H_
#define _PHY_H_
#include "mac_lld.h"
#include "phy_lld.h"
/**
* @brief Type of a PHY register value.
*/
typedef uint16_t phyreg_t;
/**
* @brief Type of a PHY register address.
*/
typedef uint8_t phyaddr_t;
#ifdef __cplusplus
extern "C" {
#endif
void phyInit(void);
void phyReset(MACDriver *macp);
void phyStart(MACDriver *macp);
void phyStop(MACDriver *macp);
phyreg_t phyGet(MACDriver *macp, phyaddr_t addr);
void phyPut(MACDriver *macp, phyaddr_t addr, phyreg_t value);
#ifdef __cplusplus
}
#endif

View File

@ -46,7 +46,10 @@
* @brief Structure representing a MAC driver.
*/
typedef struct {
enum {ifStopped = 0,
ifStarted} md_state; /**< @brief Interface status.*/
Semaphore md_tdsem; /**< Transmit semaphore.*/
Semaphore md_rdsem; /**< Receive semaphore.*/
} MACDriver;
/**