Merge 2 PR to improve blackpill boot time

- qmk#15805: [Core] ChibiOS: shorten USB disconnect state on boot to 50ms - qmk#15821: Optimize initialization of PMW3360 Sensor
0xcharly · Feb 6, 2022 · 8c7b1d7 · 8c7b1d7
1 parent f33f7e5
commit 8c7b1d7
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Showing 2 changed files with 2 additions and 7 deletions.
diff --git a/drivers/sensors/pmw3360.c b/drivers/sensors/pmw3360.c
@@ -206,12 +206,7 @@ void pmw3360_upload_firmware(void) {
     spi_write(REG_SROM_Load_Burst | 0x80);
     wait_us(15);
 
-    unsigned char c;
-    for (int i = 0; i < FIRMWARE_LENGTH; i++) {
-        c = (unsigned char)pgm_read_byte(firmware_data + i);
-        spi_write(c);
-        wait_us(15);
-    }
+    spi_transmit(firmware_data, sizeof(firmware_data));
     wait_us(200);
 
     spi_read_adv(REG_SROM_ID);

diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c
@@ -734,7 +734,7 @@ void init_usb_driver(USBDriver *usbp) {
      * after a reset.
      */
     usbDisconnectBus(usbp);
-    wait_ms(1500);
+    wait_ms(50);
     usbStart(usbp, &usbcfg);
     usbConnectBus(usbp);