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software/bios/cmds/cmd_i2c: Simplify upper nibble calculation

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Use masking instead of division and multiplication.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Geert Uytterhoeven 2021-01-15 11:26:45 +01:00
parent 28ed06f1c5
commit dc3306731c
1 changed files with 1 additions and 1 deletions
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2
litex/soc/software/bios/cmds/cmd_i2c.c
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@ -135,7 +135,7 @@ static void i2c_scan_handler(int nb_params, char **params)
printf(" 0 1 2 3 4 5 6 7 8 9 a b c d e f"); printf(" 0 1 2 3 4 5 6 7 8 9 a b c d e f");
for (slave_addr = 0; slave_addr < 0x80; slave_addr++) { for (slave_addr = 0; slave_addr < 0x80; slave_addr++) {
if (slave_addr % 0x10 == 0) { if (slave_addr % 0x10 == 0) {
printf("\n0x%02x:", (slave_addr/0x10) * 0x10); printf("\n0x%02x:", slave_addr & 0x70);
} }
if (i2c_poll(slave_addr)) { if (i2c_poll(slave_addr)) {
printf(" %02x", slave_addr); printf(" %02x", slave_addr);