--- a/master/slave.c Mon Mar 27 12:04:55 2006 +0000
+++ b/master/slave.c Mon Mar 27 15:52:08 2006 +0000
@@ -48,6 +48,7 @@
slave->sii_product_code = 0;
slave->sii_revision_number = 0;
slave->sii_serial_number = 0;
+ slave->sii_mailbox_protocols = 0;
slave->type = NULL;
slave->registered = 0;
slave->fmmu_count = 0;
@@ -163,6 +164,12 @@
return -1;
}
+ if (unlikely(ec_slave_sii_read(slave, 0x001C,
+ &slave->sii_mailbox_protocols))) {
+ EC_ERR("Could not read SII supported mailbox protocols!\n");
+ return -1;
+ }
+
if (unlikely(ec_slave_fetch_categories(slave))) {
EC_ERR("Could not fetch category data!\n");
return -1;
@@ -785,6 +792,7 @@
ec_eeprom_sync_t *sync;
ec_eeprom_pdo_t *pdo;
ec_eeprom_pdo_entry_t *entry;
+ int first;
EC_INFO("x-- EtherCAT slave information ---------------\n");
@@ -806,6 +814,43 @@
EC_INFO("| Supported FMMUs: %i, Sync managers: %i\n",
slave->base_fmmu_count, slave->base_sync_count);
+ EC_INFO("| Supported mailbox protocols: ");
+ if (!slave->sii_mailbox_protocols) {
+ printk("(none)");
+ }
+ else {
+ first = 1;
+ if (slave->sii_mailbox_protocols & EC_MBOX_AOE) {
+ printk("AoE");
+ first = 0;
+ }
+ if (slave->sii_mailbox_protocols & EC_MBOX_EOE) {
+ if (!first) printk(", ");
+ printk("EoE");
+ first = 0;
+ }
+ if (slave->sii_mailbox_protocols & EC_MBOX_COE) {
+ if (!first) printk(", ");
+ printk("CoE");
+ first = 0;
+ }
+ if (slave->sii_mailbox_protocols & EC_MBOX_FOE) {
+ if (!first) printk(", ");
+ printk("FoE");
+ first = 0;
+ }
+ if (slave->sii_mailbox_protocols & EC_MBOX_SOE) {
+ if (!first) printk(", ");
+ printk("SoE");
+ first = 0;
+ }
+ if (slave->sii_mailbox_protocols & EC_MBOX_VOE) {
+ if (!first) printk(", ");
+ printk("VoE");
+ }
+ }
+ printk("\n");
+
EC_INFO("| EEPROM data:\n");
if (slave->sii_alias)
@@ -908,6 +953,115 @@
/*****************************************************************************/
+/**
+ Sendet ein Mailbox-Kommando.
+ */
+
+int ec_slave_mailbox_send(ec_slave_t *slave, /**< EtherCAT-Slave */
+ uint8_t type, /**< Unterliegendes Protokoll */
+ const uint8_t *prot_data, /**< Protokoll-Daten */
+ size_t size /**< Datengröße */
+ )
+{
+ uint8_t data[0xF6];
+ ec_command_t command;
+
+ if (unlikely(size + 6 > 0xF6)) {
+ EC_ERR("Data size does not fit in mailbox!\n");
+ return -1;
+ }
+
+ memset(data, 0x00, 0xF6);
+
+ EC_WRITE_U16(data, size); // Length of the Mailbox service data
+ EC_WRITE_U16(data + 2, slave->station_address); // Station address
+ EC_WRITE_U8 (data + 4, 0x00); // Channel & priority
+ EC_WRITE_U8 (data + 5, type); // Underlying protocol type
+
+ memcpy(data + 6, prot_data, size);
+
+ ec_command_init_npwr(&command, slave->station_address, 0x1800, 0xF6, data);
+ if (unlikely(ec_master_simple_io(slave->master, &command))) {
+ EC_ERR("Mailbox sending failed on slave %i!\n", slave->ring_position);
+ return -1;
+ }
+
+ return 0;
+}
+
+/*****************************************************************************/
+
+/**
+ Sendet ein Mailbox-Kommando.
+ */
+
+int ec_slave_mailbox_receive(ec_slave_t *slave, /**< EtherCAT-Slave */
+ uint8_t type, /**< Unterliegendes Protokoll */
+ uint8_t *prot_data, /**< Protokoll-Daten */
+ size_t *size /**< Datengröße des Puffers, später
+ Größe der gelesenen Daten */
+ )
+{
+ ec_command_t command;
+ size_t data_size;
+ cycles_t start, end, timeout;
+
+ // Read "written bit" of Sync-Manager
+ start = get_cycles();
+ timeout = (cycles_t) 100 * cpu_khz; // 100ms
+
+ while (1)
+ {
+ ec_command_init_nprd(&command, slave->station_address, 0x808, 8);
+ if (unlikely(ec_master_simple_io(slave->master, &command))) {
+ EC_ERR("Mailbox checking failed on slave %i!\n",
+ slave->ring_position);
+ return -1;
+ }
+
+ end = get_cycles();
+
+ if (EC_READ_U8(command.data + 5) & 8) break; // Written bit is high
+
+ if ((end - start) >= timeout) {
+ EC_ERR("Mailbox check - Slave %i timed out.\n",
+ slave->ring_position);
+ return -1;
+ }
+
+ udelay(100);
+ }
+
+ if (unlikely(slave->master->debug_level) > 1)
+ EC_DBG("SDO download took %ius.\n", ((u32) (end - start) * 1000
+ / cpu_khz));
+
+ ec_command_init_nprd(&command, slave->station_address, 0x18F6, 0xF6);
+ if (unlikely(ec_master_simple_io(slave->master, &command))) {
+ EC_ERR("Mailbox receiving failed on slave %i!\n",
+ slave->ring_position);
+ return -1;
+ }
+
+ if (EC_READ_U8(command.data + 5) != type) { // nicht CoE
+ EC_ERR("Invalid mailbox response (non-CoE) at slave %i!\n",
+ slave->ring_position);
+ return -1;
+ }
+
+ if ((data_size = EC_READ_U16(command.data)) > *size) {
+ EC_ERR("CoE data does not fit in buffer (%i > %i).\n",
+ data_size, *size);
+ return -1;
+ }
+
+ memcpy(prot_data, command.data + 6, data_size);
+ *size = data_size;
+ return 0;
+}
+
+/*****************************************************************************/
+
/* Emacs-Konfiguration
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;;; c-basic-offset:4 ***