diff options
| author | hathach <[email protected]> | 2025-10-16 10:03:10 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2025-10-16 10:03:10 +0700 |
| commit | e93e47ae0434b53a20d1c62de62f34377bc8b492 (patch) | |
| tree | 935cfce49a05cd5b68808992535c9b0b20bb5d9c /src/class | |
| parent | 79445c2386adefb207a76a70d87578b53c3e7922 (diff) | |
add tu_div_round_nearest() (only handle positive) to replace DIV_ROUND_CLOSEST() to remove the need of typeof
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/cdc/cdc_host.c | 4 | ||||
| -rw-r--r-- | src/class/cdc/serial/ftdi_sio.h | 13 |
2 files changed, 2 insertions, 15 deletions
diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c index beef03eff..b59b0d641 100644 --- a/src/class/cdc/cdc_host.c +++ b/src/class/cdc/cdc_host.c @@ -1365,7 +1365,7 @@ static uint32_t ftdi_232bm_baud_base_to_divisor(uint32_t baud, uint32_t base) { uint8_t divfrac[8] = {0, 3, 2, 4, 1, 5, 6, 7}; uint32_t divisor; /* divisor shifted 3 bits to the left */ - uint32_t divisor3 = DIV_ROUND_CLOSEST(base, 2 * baud); + uint32_t divisor3 = tu_div_round_nearest(base, 2 * baud); divisor = divisor3 >> 3; divisor |= (uint32_t) divfrac[divisor3 & 0x7] << 14; /* Deal with special cases for highest baud rates. */ @@ -1387,7 +1387,7 @@ static uint32_t ftdi_2232h_baud_base_to_divisor(uint32_t baud, uint32_t base) { uint32_t divisor3; /* hi-speed baud rate is 10-bit sampling instead of 16-bit */ - divisor3 = DIV_ROUND_CLOSEST(8 * base, 10 * baud); + divisor3 = tu_div_round_nearest(8 * base, 10 * baud); divisor = divisor3 >> 3; divisor |= (uint32_t) divfrac[divisor3 & 0x7] << 14; diff --git a/src/class/cdc/serial/ftdi_sio.h b/src/class/cdc/serial/ftdi_sio.h index 8abf74f11..9bd56cef4 100644 --- a/src/class/cdc/serial/ftdi_sio.h +++ b/src/class/cdc/serial/ftdi_sio.h @@ -215,17 +215,4 @@ typedef struct ftdi_private { #define FTDI_NOT_POSSIBLE -1 #define FTDI_REQUESTED -2 -// division and round function overtaken from math.h -#define DIV_ROUND_CLOSEST(x, divisor)( \ -{ \ - typeof(x) __x = x; \ - typeof(divisor) __d = divisor; \ - (((typeof(x))-1) > 0 || \ - ((typeof(divisor))-1) > 0 || \ - (((__x) > 0) == ((__d) > 0))) ? \ - (((__x) + ((__d) / 2)) / (__d)) : \ - (((__x) - ((__d) / 2)) / (__d)); \ -} \ -) - #endif //TUSB_FTDI_SIO_H |