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Merge pull request #14915 from arduino/i2c_timing_fix 

STM32 Fix i2c_compute_timing() API
pull/14917/head
Martin Kojtal 2021-07-13 16:20:15 +02:00 committed by GitHub
parent 9a591453b3 ccf8995858
commit 16d3e998fa
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1 changed files with 3 additions and 0 deletions
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targets/TARGET_STM/i2c_api.c
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@ -1733,6 +1733,9 @@ uint32_t i2c_compute_timing(uint32_t clock_src_freq, uint32_t i2c_freq)
uint32_t speed;
uint32_t idx;
/* Reset valid timing count at the beginning of each new computation */
I2c_valid_timing_nbr = 0;
if ((clock_src_freq != 0U) && (i2c_freq != 0U)) {
for (speed = 0 ; speed <= (uint32_t)I2C_SPEED_FREQ_FAST_PLUS ; speed++) {
if ((i2c_freq >= I2C_Charac[speed].freq_min) &&