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csr: try to enable SCO over HCI - doesn't work with tested CSR8811 inside BTM805
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@ -39,7 +39,7 @@
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* btstack_chipset_csr.c
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*
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* Adapter to use CSR-based chipsets with BTstack
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*
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* SCO over HCI doesn't work over H4 connection and BTM805 module from Microchip Bluetooth Audio Developer Kit (CSR8811)
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*/
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#include "btstack_chipset_csr.h"
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@ -55,12 +55,24 @@
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// minimal CSR init script to configure PSKEYs and activate them
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static const uint8_t init_script[] = {
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// Set ANA_Freq PSKEY to 26MHz
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// Set ANA_Freq to 26MHz
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0x01, 0x00, 0xFC, 0x13, 0xc2, 0x02, 0x00, 0x09, 0x00, 0x01, 0x00, 0x03, 0x70, 0x00, 0x00, 0xfe, 0x01, 0x01, 0x00, 0x00, 0x00, 0x90, 0x65,
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// Set HCI_NOP_DISABLE
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0x01, 0x00, 0xFC, 0x13, 0xc2, 0x02, 0x00, 0x09, 0x00, 0x01, 0x00, 0x03, 0x70, 0x00, 0x00, 0xf2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00,
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#ifdef HAVE_SCO_OVER_HCI
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// Set HOSTIO_MAP_SCO_PCM to 0
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0x01, 0x00, 0xFC, 0x13, 0xc2, 0x02, 0x00, 0x09, 0x00, 0x01, 0x00, 0x03, 0x70, 0x00, 0x00, 0xab, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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// Set ENABLE_SCO_STREAMS to 0
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0x01, 0x00, 0xFC, 0x13, 0xc2, 0x02, 0x00, 0x09, 0x00, 0x01, 0x00, 0x03, 0x70, 0x00, 0x00, 0xc9, 0x22, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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#endif
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// Set UART baudrate to 115200
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0x01, 0x00, 0xFC, 0x15, 0xc2, 0x02, 0x00, 0x0a, 0x00, 0x02, 0x00, 0x03, 0x70, 0x00, 0x00, 0xea, 0x01, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0xc2,
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// WarmReset
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0x01, 0x00, 0xFC, 0x13, 0xc2, 0x02, 0x00, 0x09, 0x00, 0x03, 0x0e, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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@ -87,6 +99,7 @@ static void update_init_script_command(uint8_t *hci_cmd_buffer){
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uint16_t varid = READ_BT_16(hci_cmd_buffer, 10);
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if (varid != 0x7003) return;
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uint16_t key = READ_BT_16(hci_cmd_buffer, 14);
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log_info("csr: pskey 0x%04x", key);
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if (key != 0x01ea) return;
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// check for baud rate
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@ -122,7 +135,6 @@ static btstack_chipset_result_t chipset_next_command(uint8_t * hci_cmd_buffer){
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// support for warm boot command
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uint16_t varid = READ_BT_16(hci_cmd_buffer, 10);
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log_info("csr: varid 0x%04x", varid);
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if (varid == 0x4002){
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return BTSTACK_CHIPSET_WARMSTART_REQUIRED;
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}
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