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| author | Dasky <32983009+daskygit@users.noreply.github.com> | 2024-09-18 15:46:13 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-18 15:46:13 +0100 |
| commit | 1c03574424bfb0fa599d6cabf4ec724bfb27c21e (patch) | |
| tree | e88679b47e429d6e2112110cbb57e8c231c46a47 | |
| parent | 42f1763db93b0f2c962e204ccc6e8ec7b07424a8 (diff) | |
Fix ADNS-9800 read (#24406)0.26.4
| -rw-r--r-- | drivers/sensors/adns9800.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/sensors/adns9800.c b/drivers/sensors/adns9800.c index 0ba26a365a..d5e2ca625a 100644 --- a/drivers/sensors/adns9800.c +++ b/drivers/sensors/adns9800.c @@ -67,14 +67,15 @@ #define REG_SROM_Load_Burst 0x62 #define REG_Pixel_Burst 0x64 -#define MIN_CPI 200 -#define MAX_CPI 8200 -#define CPI_STEP 200 -#define CLAMP_CPI(value) value<MIN_CPI ? MIN_CPI : value> MAX_CPI ? MAX_CPI : value -#define US_BETWEEN_WRITES 120 -#define US_BETWEEN_READS 20 -#define US_BEFORE_MOTION 100 -#define MSB1 0x80 +#define MIN_CPI 200 +#define MAX_CPI 8200 +#define CPI_STEP 200 +#define CLAMP_CPI(value) value<MIN_CPI ? MIN_CPI : value> MAX_CPI ? MAX_CPI : value +#define US_BETWEEN_WRITES 120 +#define US_BETWEEN_READS 20 +#define US_DELAY_AFTER_ADDR 100 +#define US_BEFORE_MOTION 100 +#define MSB1 0x80 // clang-format on void adns9800_spi_start(void) { @@ -92,6 +93,7 @@ void adns9800_write(uint8_t reg_addr, uint8_t data) { uint8_t adns9800_read(uint8_t reg_addr) { adns9800_spi_start(); spi_write(reg_addr & 0x7f); + wait_us(US_DELAY_AFTER_ADDR); uint8_t data = spi_read(); spi_stop(); wait_us(US_BETWEEN_READS); |