int __usart_open(unsigned int channel, unsigned int baudrate)
{
if (channel)
return -ERR_RANGE;
/* Set GPIO first */
SET_GPIO_FS(14, GPIO_ALT5);
SET_GPIO_FS(15, GPIO_ALT5);
gpio_pull(14, 0);
gpio_pull(15, 0);
struct aux *aux = (struct aux *)AUX_BASE;
struct mini_uart *uart = (struct mini_uart *)UART_BASE;
aux->enable = 1; /* enable mini-uart */
uart->cntl = 0;
uart->lcr = 3; /* 8-bit data */
uart->iir = 0xc6;
uart->ier = 5; /* enable rx interrupt */
uart->baudrate = (SYSTEM_CLOCK / (baudrate * 8)) - 1;
uart->cntl = 3; /* enable rx and tx */
struct interrupt_controller *intcntl
= (struct interrupt_controller *)INTCNTL_BASE;
intcntl->irq1_enable = 1 << IRQ_AUX;
return IRQ_AUX; /* aux int */
}
FTVOID ft9xx_sdc_init (FTVOID)
{
#define SDC_TRY_RUN 10
#define SDC_TRY_WAIT 10
FTU8 i = 0;
sys_enable(sys_device_sd_card);
sdhost_init();
gpio_function(FT9XX_SD_CLK, pad_sd_clk);
gpio_pull(FT9XX_SD_CLK, pad_pull_none);
gpio_function(FT9XX_SD_CMD, pad_sd_cmd);
gpio_pull(FT9XX_SD_CMD, pad_pull_pullup);
gpio_function(FT9XX_SD_DAT3, pad_sd_data3);
gpio_pull(FT9XX_SD_DAT3, pad_pull_pullup);
gpio_function(FT9XX_SD_DAT2, pad_sd_data2);
gpio_pull(FT9XX_SD_DAT2, pad_pull_pullup);
gpio_function(FT9XX_SD_DAT1, pad_sd_data1);
gpio_pull(FT9XX_SD_DAT1, pad_pull_pullup);
gpio_function(FT9XX_SD_DAT0, pad_sd_data0);
gpio_pull(FT9XX_SD_DAT0, pad_pull_pullup);
gpio_function(FT9XX_SD_CD, pad_sd_cd);
gpio_pull(FT9XX_SD_CD, pad_pull_pullup);
gpio_function(FT9XX_SD_WP, pad_sd_wp);
gpio_pull(FT9XX_SD_WP, pad_pull_pullup);
while ((SDC_TRY_RUN != ++i) && (sdhost_card_detect() != SDHOST_CARD_INSERTED)) {
delayms(SDC_TRY_WAIT);
FTPRINT(".");
}
if(i < SDC_TRY_RUN) {
if (f_mount(&FT9xxFatFs, "", 0) != FR_OK) {
FTPRINT("\nMount Disk Fail");
} else {
/* this lib seems not set the fs_type
even it successful mounted */
if (FT9xxFatFs.fs_type) {
FTPRINT("\nMount Disk Success");
} else {
FTPRINT("\nDisk Found");
}
}
} else {
FTPRINT("\nNo SD Card");
}
return;
}
static int __init menu_buttons_init(void) {
int ret;
if (verbose) {
pr_info("\n\n"DRVNAME": %s()\n", __func__);
pr_info(DRVNAME": driver: %s\n", menu_buttons.name);
}
gpio_pull(1);
ret = platform_device_register(&menu_buttons);
if (ret < 0) {
pr_err(DRVNAME": platform_device_register() returned %d\n", ret);
return ret;
}
return 0;
}
static void pdev_release(struct device *dev) {
if (verbose > 1)
pr_info(DRVNAME": %s()\n", __func__);
gpio_pull(0);
}
