diff options
Diffstat (limited to 'drivers/sensors/adns9800.c')
-rw-r--r-- | drivers/sensors/adns9800.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/sensors/adns9800.c b/drivers/sensors/adns9800.c index 36213179f..17966b81f 100644 --- a/drivers/sensors/adns9800.c +++ b/drivers/sensors/adns9800.c | |||
@@ -78,8 +78,7 @@ | |||
78 | #define US_BEFORE_MOTION 100 | 78 | #define US_BEFORE_MOTION 100 |
79 | #define MSB1 0x80 | 79 | #define MSB1 0x80 |
80 | 80 | ||
81 | extern const uint16_t adns_firmware_length; | 81 | extern const uint8_t firmware_data[]; |
82 | extern const uint8_t adns_firmware_data[]; | ||
83 | 82 | ||
84 | void adns_spi_start(void){ | 83 | void adns_spi_start(void){ |
85 | spi_start(SPI_SS_PIN, false, SPI_MODE, SPI_DIVISOR); | 84 | spi_start(SPI_SS_PIN, false, SPI_MODE, SPI_DIVISOR); |
@@ -145,8 +144,8 @@ void adns_init() { | |||
145 | 144 | ||
146 | // send all bytes of the firmware | 145 | // send all bytes of the firmware |
147 | unsigned char c; | 146 | unsigned char c; |
148 | for(int i = 0; i < adns_firmware_length; i++){ | 147 | for(int i = 0; i < FIRMWARE_LENGTH; i++){ |
149 | c = (unsigned char)pgm_read_byte(adns_firmware_data + i); | 148 | c = (unsigned char)pgm_read_byte(firmware_data + i); |
150 | spi_write(c); | 149 | spi_write(c); |
151 | wait_us(15); | 150 | wait_us(15); |
152 | } | 151 | } |