/********************************************************************************* * I.MX6 计算iomux Pin配置 * 说明： * 之前一般都自己算一下，左栋搞个程序算。 * * 2017-11-13 深圳 南山平山村 曾剑锋 ********************************************************************************/ #include <stdio.h> #define PAD_CTL_HYS (1 << 16) #define PAD_CTL_PUS_100K_DOWN (0 << 14) #define PAD_CTL_PUS_47K_UP (1 << 14) #define PAD_CTL_PUS_100K_UP (2 << 14) #define PAD_CTL_PUS_22K_UP (3 << 14) #define PAD_CTL_PUE (1 << 13) #define PAD_CTL_PKE (1 << 12) #define PAD_CTL_ODE (1 << 11) #define PAD_CTL_SPEED_LOW (1 << 6) #define PAD_CTL_SPEED_MED (2 << 6) #define PAD_CTL_SPEED_HIGH (3 << 6) #define PAD_CTL_DSE_DISABLE (0 << 3) #define PAD_CTL_DSE_240ohm (1 << 3) #define PAD_CTL_DSE_120ohm (2 << 3) #define PAD_CTL_DSE_80ohm (3 << 3) #define PAD_CTL_DSE_60ohm (4 << 3) #define PAD_CTL_DSE_48ohm (5 << 3) #define PAD_CTL_DSE_40ohm (6 << 3) #define PAD_CTL_DSE_34ohm (7 << 3) #define PAD_CTL_SRE_FAST (1 << 0) #define PAD_CTL_SRE_SLOW (0 << 0) #define MX6DL_USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_34ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) int main(void) { printf("hello world! "); printf("MX6DL_USDHC_PAD_CTRL = %x ", MX6DL_USDHC_PAD_CTRL); printf("USDHC_PAD_CTRL = %x ", USDHC_PAD_CTRL); }