diff --git a/chipset/bcm/bt_control_bcm.c b/chipset/bcm/bt_control_bcm.c new file mode 100644 index 000000000..2e443e146 --- /dev/null +++ b/chipset/bcm/bt_control_bcm.c @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2009-2012 by Matthias Ringwald + * + * 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 MATTHIAS RINGWALD 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 btstack@ringwald.ch + * + */ + +/* + * bt_control_bcm.c + * + * Adapter to use Broadcom-based chipsets with BTstack + */ + + +#include "btstack-config.h" +#include "bt_control_bcm.h" + +#include /* NULL */ +#include +#include /* memcpy */ + +#include "bt_control.h" +#include "debug.h" + +// actual init script provided by separate bt_firmware_image.c from WICED SDK +extern const uint8_t brcm_patchram_buf[]; +extern const int brcm_patch_ram_length; +extern const char brcm_patch_version[]; + +// +static uint32_t init_script_offset; +static int send_download_command; + +static int bt_control_bcm_on(void *config){ + log_info("Broadcom init script %s, len %u", brcm_patch_version, brcm_patch_ram_length); + init_script_offset = 0; + send_download_command = 1; + return 0; +} + +#if 0 +// UART Baud Rate control +static int bcm_baudrate_cmd(void * config, uint32_t baudrate, uint8_t *hci_cmd_buffer){ + hci_cmd_buffer[0] = 0x36; + hci_cmd_buffer[1] = 0xFF; + hci_cmd_buffer[2] = 0x04; + hci_cmd_buffer[3] = baudrate & 0xff; + hci_cmd_buffer[4] = (baudrate >> 8) & 0xff; + hci_cmd_buffer[5] = (baudrate >> 16) & 0xff; + hci_cmd_buffer[6] = 0; + return 0; +} + +#endif + +static int bt_control_bcm_next_cmd(void *config, uint8_t *hci_cmd_buffer){ + + // send download firmware command + if (send_download_command){ + send_download_command = 0; + hci_cmd_buffer[0] = 0x2e; + hci_cmd_buffer[1] = 0xfc; + hci_cmd_buffer[2] = 0x00; + return 1; + } + + if (init_script_offset >= brcm_patch_ram_length) { + return 0; + } + + // use memcpy with pointer + int cmd_len = 3 + brcm_patchram_buf[init_script_offset+2]; + memcpy(&hci_cmd_buffer[0], &brcm_patchram_buf[init_script_offset], cmd_len); + init_script_offset += cmd_len; + return 1; +} + +// MARK: const structs + +static const bt_control_t bt_control_bcm = { + bt_control_bcm_on, // on + NULL, // off + NULL, // sleep + NULL, // wake + NULL, // valid + NULL, // name + /* bcm_baudrate_cmd */ NULL, // baudrate_cmd + bt_control_bcm_next_cmd, // next_cmd + NULL, // register_for_power_notifications + NULL, // hw_error + NULL, // set_bd_addr_cmd +}; + +// MARK: public API +bt_control_t * bt_control_bcm_instance(void){ + return (bt_control_t*) &bt_control_bcm; +} diff --git a/chipset/bcm/bt_control_bcm.h b/chipset/bcm/bt_control_bcm.h new file mode 100644 index 000000000..6de9f3370 --- /dev/null +++ b/chipset/bcm/bt_control_bcm.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2009-2012 by Matthias Ringwald + * + * 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 MATTHIAS RINGWALD 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 btstack@ringwald.ch + * + */ + +/* + * bt_control_bcm.h + * + * Adapter to use Broadcom-based chipsets with BTstack + */ + +#ifndef __BT_CONTROL_BCM_H +#define __BT_CONTROL_BCM_H + +#if defined __cplusplus +extern "C" { +#endif + +#include +#include "bt_control.h" + +bt_control_t * bt_control_bcm_instance(void); + +#if defined __cplusplus +} +#endif + +#endif // __BT_CONTROL_BCM_H