diff options
Diffstat (limited to 'drivers/sensors/adns9800.c')
| -rw-r--r-- | drivers/sensors/adns9800.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/sensors/adns9800.c b/drivers/sensors/adns9800.c index c52f991804..d167841968 100644 --- a/drivers/sensors/adns9800.c +++ b/drivers/sensors/adns9800.c @@ -135,10 +135,8 @@ void adns9800_init() { wait_us(15); // send all bytes of the firmware - unsigned char c; - for (int i = 0; i < FIRMWARE_LENGTH; i++) { - c = (unsigned char)pgm_read_byte(adns9800_firmware_data + i); - spi_write(c); + for (uint16_t i = 0; i < FIRMWARE_LENGTH; i++) { + spi_write(pgm_read_byte(firmware_data + i)); wait_us(15); } @@ -154,8 +152,8 @@ void adns9800_init() { } config_adns9800_t adns9800_get_config(void) { - uint8_t config_1 = adns9800_read(REG_Configuration_I); - return (config_adns9800_t){(config_1 & 0xFF) * CPI_STEP}; + uint8_t cpival = adns9800_read(REG_Configuration_I); + return (config_adns9800_t){(cpival & 0xFF) * CPI_STEP}; } void adns9800_set_config(config_adns9800_t config) { @@ -164,8 +162,8 @@ void adns9800_set_config(config_adns9800_t config) { } uint16_t adns9800_get_cpi(void) { - uint8_t config_1 = adns9800_read(REG_Configuration_I); - return (uint16_t){(config_1 & 0xFF) * CPI_STEP}; + uint8_t cpival = adns9800_read(REG_Configuration_I); + return (uint16_t)(cpival & 0xFF) * CPI_STEP; } void adns9800_set_cpi(uint16_t cpi) { @@ -184,7 +182,7 @@ static int16_t convertDeltaToInt(uint8_t high, uint8_t low) { } report_adns9800_t adns9800_get_report(void) { - report_adns9800_t report = {0, 0}; + report_adns9800_t report = {0}; adns9800_spi_start(); |