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path: root/drivers/sensors/adns9800.c
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Diffstat (limited to 'drivers/sensors/adns9800.c')
-rw-r--r--drivers/sensors/adns9800.c7
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
81extern const uint16_t adns_firmware_length; 81extern const uint8_t firmware_data[];
82extern const uint8_t adns_firmware_data[];
83 82
84void adns_spi_start(void){ 83void 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 }