Diff: neo_iso_drv.h

Revision:

58:cf54c181a632

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/neo_iso_drv.h	Wed Sep 18 17:40:11 2019 +0000
@@ -0,0 +1,98 @@
+/*
+ * Mbed OS device driver for Semtech TS13401 Neo-Iso SSR driver.
+ *
+ * Copyright (c) 2019 Future Electronics
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef NEO_ISO_DRV_H__
+#define NEO_ISO_DRV_H__
+
+#include "mbed.h"
+
+namespace neoiso {
+
+class NeoIso {
+public:
+    typedef enum {
+        COMMAND_NO_OPERATION                            = 0,
+        COMMAND_OFF_IMMEDIATE                           = 1,
+        COMMAND_OFF_ZERO_CROSSING                       = 2,
+        COMMAND_ON_IMMEDIATE                            = 3,
+        COMMAND_ON_ZERO_CROSSING                        = 4,
+        COMMAND_ON_IMMEDIATE_WITH_DITHERING             = 5,
+        COMMAND_ON_ZERO_CROSSING_WITH_DITHERING         = 6,
+        COMMAND_HEARTBEAT                               = 7,
+        COMMAND_SET_POWER_TRANSFER_MODE                 = 8,
+        COMMAND_CANCEL_POWER_TRANSFER_MODE              = 9,
+        COMMAND_SET_INRUSH_MODE                         = 10,
+        COMMAND_CANCEL_INRUSH_MODE                      = 11,
+        COMMAND_START_A_LOAD_CURRENT_MEASURMENT         = 12,
+        COMMAND_START_A_SYSTEM_VOLTAGE_MEASURMENT       = 13,
+        COMMAND_START_A_SWITCH_TEMPERATURE_MEASURMENT   = 14,
+        COMMAND_POOL_STATE                              = 15
+    } command_t;
+
+    typedef enum {
+        PAGE_COMMAND        = 6,
+        PAGE_CONFIGURATION  = 7
+    } page_t;
+
+
+public:
+    NeoIso(PinName clk_pin, PinName data_pin, uint8_t address);
+
+    ~NeoIso();
+
+    int send_command(page_t page, command_t command);
+    int get_status(uint8_t &status);
+
+    int set_output(bool on);
+
+    NeoIso& operator=(int value)
+    {
+        set_output(value != 0);
+        return *this;
+    }
+
+    operator int()
+    {
+        return _on;
+    }
+
+protected:
+    void _clear_buffer();
+    void _buffer_put_bit(bool bit);
+    int _send_buffer();
+
+protected:
+    static const size_t RESET_LENGTH = 3;
+    static const size_t MAX_COMMAND_LENGTH = 34;
+
+    typedef enum {
+        BIT_RESET   = 0,
+        BIT_ZERO    = 0xA000,
+        BIT_ONE     = 0xAA00,
+    } bit_value_t;
+
+    mbed::SPI       _spi;
+    uint8_t         _address;
+    uint8_t         _on;
+    uint32_t        _buffer_index;
+    uint16_t        _tx_buffer[MAX_COMMAND_LENGTH];
+    uint16_t        _rx_buffer[MAX_COMMAND_LENGTH];
+};
+
+}
+
+#endif // NEO_ISO_DRV_H__