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Use pico's board id as USB SN

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whowechina 2023-10-10 22:34:08 +08:00
parent 84d808b89d
commit 77724a6d9a
2 changed files with 12 additions and 4 deletions
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2
firmware/src/CMakeLists.txt
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@ -20,7 +20,7 @@ function(make_firmware board board_def)
target_link_libraries(${board} PRIVATE
pico_multicore pico_stdlib hardware_pio hardware_pwm hardware_flash
hardware_adc hardware_i2c hardware_watchdog
hardware_adc hardware_i2c hardware_watchdog pico_unique_id
tinyusb_device tinyusb_board)
pico_add_extra_outputs(${board})

14
firmware/src/usb_descriptors.c
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@ -24,7 +24,7 @@
*/
#include "usb_descriptors.h"
#include "pico/unique_id.h"
#include "tusb.h"
/* A combination of interfaces must have a unique product id, since PC will save
@ -173,12 +173,14 @@ uint8_t const* tud_descriptor_configuration_cb(uint8_t index) {
// String Descriptors
//--------------------------------------------------------------------+
static char serial_number_str[24] = "123456\0";
// array of pointer to string descriptors
const char *string_desc_arr[] = {
static const char *string_desc_arr[] = {
(const char[]){0x09, 0x04}, // 0: is supported language is English (0x0409)
"WHowe" , // 1: Manufacturer
"Mai Pico Controller", // 2: Product
"123456", // 3: Serials, should use chip ID
serial_number_str, // 3: Serials, use chip ID
"Mai Pico Joystick",
"Mai Pico LED",
"Mai Pico NKRO",
@ -200,6 +202,12 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
return _desc_str;
}
if (index == 3) {
pico_unique_board_id_t board_id;
pico_get_unique_board_id(&board_id);
sprintf(serial_number_str, "%016llx", board_id);
}
const size_t base_num = sizeof(string_desc_arr) / sizeof(string_desc_arr[0]);
const char *colors[] = {"Blue", "Red", "Green"};
char str[64];