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AP_Notify: use take_blocking instead of HAL_SEMAPHORE_BLOCK_FOREVER

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this makes for cleaner and smaller code as the failure case is not
needed
This commit is contained in:
Andrew Tridgell 2020-01-19 08:42:34 +11:00
parent b89c241329
commit 0d44d666d0
2 changed files with 4 additions and 2 deletions
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3
libraries/AP_Notify/Display_SH1106_I2C.cpp
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@ -68,9 +68,10 @@ bool Display_SH1106_I2C::hw_init()
memset(_displaybuffer, 0, SH1106_COLUMNS * SH1106_ROWS_PER_PAGE);
// take i2c bus semaphore
if (!_dev || !_dev->get_semaphore()->take(HAL_SEMAPHORE_BLOCK_FOREVER)) {
if (!_dev) {
return false;
}
_dev->get_semaphore()->take_blocking();
// init display
bool success = _dev->transfer((uint8_t *)&init_seq, sizeof(init_seq), nullptr, 0);

3
libraries/AP_Notify/Display_SSD1306_I2C.cpp
View File

@ -76,9 +76,10 @@ bool Display_SSD1306_I2C::hw_init()
memset(_displaybuffer, 0, SSD1306_COLUMNS * SSD1306_ROWS_PER_PAGE);
// take i2c bus semaphore
if (!_dev || !_dev->get_semaphore()->take(HAL_SEMAPHORE_BLOCK_FOREVER)) {
if (!_dev) {
return false;
}
_dev->get_semaphore()->take_blocking();
// init display
bool success = _dev->transfer((uint8_t *)&init_seq, sizeof(init_seq), nullptr, 0);