Tree: 9d3a9c20a8

AP_Periph-1.3

Copter-4.2

Copter-4.2-BW

apm_2208

apm_2208-rover

apm_2208-rover-debug

c421

copter407

gps-1.3.1

main

master

master_rangefinder

mission-4.1.18

periph-1.3.1

release-4.2.3

rover_4.3

zr-sdk-4.3.1

zr-v5.0

zr-v5.1

zr/Rover-4.3

zr/main-4.3

zr_rover4.2

数字绿土/zr-v5.0

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Commit Graph

8 Commits (9d3a9c20a86676f8edb57777bdb1d024ddca252a)

Author	SHA1	Message	Date
Randy Mackay	80059d3516	AP_HAL_AVR: resolve compiler warning	11 years ago
Andrew Tridgell	08a6503364	HAL_AVR: force all devices on SPI0 to low speed when one is low speed ... this forces MS5611 to low speed when MPU6K is low speed	11 years ago
Andrew Tridgell	11e1cf31c4	HAL_AVR: changed to 16 byte bulk transfer on SPI0	11 years ago
Andrew Tridgell	04836ea763	HAL_AVR: set initial bus speed on MPU6k to 500kHz, then change to 8MHz ... this should allow us to work even with older chips. See the MPU6000 product specification, which says max 20MHz for sensor and interrupt regs, and max 1MHz for all other regs	12 years ago
Andrew Tridgell	5ba34b38c1	HAL_AVR: added specialised transfer functions for MPU6k and APM1 ADC ... this saves quite a lot of time in interrupts	12 years ago
Andrew Tridgell	b5b7fd2f9a	HAL_AVR: added bulk transfer() method ... this is quite a lot faster than the byte at a time method	12 years ago
Pat Hickey	4fe889c9c5	AP_HAL_AVR: Implement bulk SPI transaction	12 years ago
Pat Hickey	f543cede01	AP_HAL & AP_HAL_AVR: new SPI driver model	12 years ago