From 7794918f57477fe3815a3224f95f046339ec13c5 Mon Sep 17 00:00:00 2001 From: Matthias Ringwald Date: Fri, 17 Apr 2015 16:10:48 +0200 Subject: [PATCH] support baud rate change on stlc2500d --- chipset-stlc2500d/bt_control_stlc2500d.c | 116 +++++++++++++++++++++++ chipset-stlc2500d/bt_control_stlc2500d.h | 61 ++++++++++++ 2 files changed, 177 insertions(+) create mode 100644 chipset-stlc2500d/bt_control_stlc2500d.c create mode 100644 chipset-stlc2500d/bt_control_stlc2500d.h diff --git a/chipset-stlc2500d/bt_control_stlc2500d.c b/chipset-stlc2500d/bt_control_stlc2500d.c new file mode 100644 index 000000000..254fd73f9 --- /dev/null +++ b/chipset-stlc2500d/bt_control_stlc2500d.c @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2014 BlueKitchen GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * 4. Any redistribution, use, or modification is done solely for + * personal benefit and not for any commercial purpose or for + * monetary gain. + * + * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS + * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Please inquire about commercial licensing options at + * contact@bluekitchen-gmbh.com + * + */ + +/* + * bt_control_stlc2500d.c + * + * Adapter to use stlc2500d-based chipsets with BTstack + * + */ + +#include "btstack-config.h" +#include "bt_control_stlc2500d.h" + +#include /* NULL */ +#include + #include /* memcpy */ +#include "hci.h" +#include "debug.h" + +// should go to some common place +#define OPCODE(ogf, ocf) (ocf | ogf << 10) + +static int stlc2500d_baudrate_cmd(void * config, uint32_t baudrate, uint8_t *hci_cmd_buffer){ + // map baud rate to predefined settings + int preset = 0; + switch (baudrate){ + case 57600: + preset = 0x0e; + break; + case 115200: + preset = 0x10; + break; + case 230400: + preset = 0x12; + break; + case 460800: + preset = 0x13; + break; + case 921600: + preset = 0x14; + break; + case 1843200: + preset = 0x16; + break; + case 2000000: + preset = 0x19; + break; + case 3000000: + preset = 0x1b; + break; + case 4000000: + preset = 0x1f; + break; + default: + log_error("stlc2500d_baudrate_cmd baudrate %u not supported", baudrate); + return 1; + } + bt_store_16(hci_cmd_buffer, 0, OPCODE(OGF_VENDOR, 0xfc)); + hci_cmd_buffer[2] = 0x01; + hci_cmd_buffer[3] = preset; + return 0; +} + +// MARK: const structs +static const bt_control_t bt_control_stlc2500d = { + NULL, // on + NULL, // off + NULL, // sleep + NULL, // wake + NULL, // valid + NULL, // name + stlc2500d_baudrate_cmd, // baudrate_cmd + NULL, // next_cmd + NULL, // register_for_power_notifications + NULL, // hw_error + NULL, // set_bd_addr_cmd +}; + +// MARK: public API +bt_control_t *bt_control_stlc2500d_instance(void){ + return (bt_control_t*) &bt_control_stlc2500d; +} diff --git a/chipset-stlc2500d/bt_control_stlc2500d.h b/chipset-stlc2500d/bt_control_stlc2500d.h new file mode 100644 index 000000000..3f7cdcc73 --- /dev/null +++ b/chipset-stlc2500d/bt_control_stlc2500d.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2014 BlueKitchen GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * 4. Any redistribution, use, or modification is done solely for + * personal benefit and not for any commercial purpose or for + * monetary gain. + * + * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS + * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Please inquire about commercial licensing options at + * contact@bluekitchen-gmbh.com + * + */ + +/* + * bt_control_em9301.c + * + * Adapter to use em9301-based chipsets with BTstack + * + * Allows to set public BD ADDR + */ + +#ifndef __BT_CONTROL_EM9301_H +#define __BT_CONTROL_EM9301_H + +#if defined __cplusplus +extern "C" { +#endif + +#include "bt_control.h" + +bt_control_t *bt_control_stlc2500d_instance(void); + +#if defined __cplusplus +} +#endif + +#endif // __BT_CONTROL_EM9301_H