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| author | Drashna Jaelre <drashna@live.com> | 2022-01-20 09:23:16 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-01-20 09:23:16 -0800 |
| commit | 6ebb44f17e7bb3df8492c6498289a44c01c59277 (patch) | |
| tree | 2eb8843cf5bfee953b4aa714b8dc6847a679cc27 /drivers/sensors/pmw3389.c | |
| parent | 24324378a8ab070775d4e5361d6ce3f9f903c395 (diff) | |
[Bug][Core] Fix optical sensor firmware upload (#15919)
Diffstat (limited to 'drivers/sensors/pmw3389.c')
| -rw-r--r-- | drivers/sensors/pmw3389.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/sensors/pmw3389.c b/drivers/sensors/pmw3389.c index d6f02b6a59..963925bd38 100644 --- a/drivers/sensors/pmw3389.c +++ b/drivers/sensors/pmw3389.c @@ -210,14 +210,12 @@ void pmw3389_upload_firmware(void) { spi_write(REG_SROM_Load_Burst | 0x80); wait_us(15); - // legacy only for PMW3389 spi_transmit failed to load firmware - unsigned char c; - for (int i = 0; i < FIRMWARE_LENGTH; i++) { - c = (unsigned char)pgm_read_byte(firmware_data + i); - spi_write(c); + for (uint16_t i = 0; i < FIRMWARE_LENGTH; i++) { + spi_write(pgm_read_byte(firmware_data + i)); +#ifndef PMW3389_FIRMWARE_UPLOAD_FAST wait_us(15); +#endif } - wait_us(200); pmw3389_read(REG_SROM_ID); |