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Optimize initialization of PMW3360 Sensor (#15821)

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Drashna Jael're 2022-01-10 14:57:36 -08:00 • committed by GitHub
parent 2fbdfae4b7
commit ec7c3ac12d
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2 changed files with 12 additions and 7 deletions
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drivers/sensors/pmw3360.c
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@ -209,12 +209,16 @@ void pmw3360_upload_firmware(void) {
spi_write(REG_SROM_Load_Burst | 0x80);
wait_us(15);
#ifdef PMW3360_LEGACY_FIRMWARE_UPLOAD
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);
}
#else
spi_transmit(firmware_data, sizeof(firmware_data));
#endif
wait_us(200);
pmw3360_read(REG_SROM_ID);