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atwilc3000: write 4096 byte firmware blobs directly from firmware array

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This commit is contained in:
Matthias Ringwald 2017-07-23 22:48:05 +02:00
parent d119968eb2
commit a1b34469cd
1 changed files with 23 additions and 8 deletions
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31
chipset/atwilc3000/btstack_chipset_atwilc3000.c
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@ -55,6 +55,7 @@
#include "hci.h"
#define IRAM_START 0x80000000
#define FIRMWARE_CHUNK_SIZE 4096
// HCI commands
static const uint8_t hci_reset_command[] = { 0x01, 0x03, 0x0c, 0x00 };
@ -65,6 +66,7 @@ static const uint8_t hci_vendor_specific_reset_command[] = { 0x01, 0x55, 0xfc, 0
static void atwilc3000_w4_command_complete_reset(void);
static void atwilc3000_w4_command_complete_read_local_version_information(void);
static void atwilc3000_write_memory(void);
static void atwilc3000_write_firmware(void);
static void atwilc3000_vendor_specific_reset(void);
static void atwilc3000_done(void);
static void atwilc3000_update_uart_params(void);
@ -76,12 +78,14 @@ static const btstack_uart_block_t * the_uart_driver;
static int download_count;
static uint8_t event_buffer[15];
static uint8_t command_buffer[260];
static uint8_t command_buffer[12];
static const uint8_t * fw_data;
static uint32_t fw_size;
static uint32_t fw_offset;
static uint32_t fw_baudrate;
static void dummy(void){}
static void atwilc3000_set_baudrate_command(uint32_t baudrate, uint8_t *hci_cmd_buffer){
hci_cmd_buffer[0] = 0x53;
hci_cmd_buffer[1] = 0xfc;
@ -172,9 +176,10 @@ static void atwilc3000_write_memory(void){
atwilc3000_vendor_specific_reset();
return;
}
// bytes to write
log_info("Write pos %u", fw_offset);
uint16_t bytes_to_write = btstack_min((fw_size - fw_offset), sizeof(command_buffer) - 12);
uint16_t bytes_to_write = btstack_min((fw_size - fw_offset), FIRMWARE_CHUNK_SIZE);
// setup write command
command_buffer[0] = 1;
command_buffer[1] = 0x52;
@ -182,15 +187,25 @@ static void atwilc3000_write_memory(void){
command_buffer[3] = 8; // NOTE: this is in violation of the Bluetooth Specification, but documented in the Atmel-NNNNN-ATWIL_Linux_Porting_Guide
little_endian_store_32(command_buffer, 4, IRAM_START + fw_offset);
little_endian_store_32(command_buffer, 8, bytes_to_write);
memcpy(&command_buffer[12], &fw_data[fw_offset], bytes_to_write);
//
fw_offset += bytes_to_write;
// send write command - only log write command without the firmware blob
the_uart_driver->receive_block(&event_buffer[0], 7);
the_uart_driver->set_block_received(&atwilc3000_write_memory);
hci_dump_packet(HCI_COMMAND_DATA_PACKET, 0, (uint8_t *) &command_buffer[1], 12 - 1);
the_uart_driver->send_block(&command_buffer[0], 12 + bytes_to_write);
the_uart_driver->set_block_sent(&atwilc3000_write_firmware);
the_uart_driver->send_block(&command_buffer[0], 12);
}
static void atwilc3000_write_firmware(void){
the_uart_driver->set_block_received(&atwilc3000_write_memory);
the_uart_driver->receive_block(&event_buffer[0], 7);
uint16_t bytes_to_write = btstack_min((fw_size - fw_offset), FIRMWARE_CHUNK_SIZE);
uint32_t offset = fw_offset;
fw_offset += bytes_to_write;
the_uart_driver->set_block_sent(&dummy);
the_uart_driver->send_block(&fw_data[offset], bytes_to_write);
}
static void atwilc3000_vendor_specific_reset(void){