KT25-1015_AC695x_SDK310/cpu/br23/chargebox_hw.c
2025-10-15 15:18:43 +08:00

265 lines
9.7 KiB
C

#include "board_config.h"
#include "generic/typedef.h"
#include "generic/gpio.h"
#include "asm/gpio.h"
#include "asm/clock.h"
#include "device/chargebox.h"
#if(TCFG_CHARGE_BOX_ENABLE)
#define BUF_LEN (64)
struct chargebox_handle {
const struct chargebox_platform_data *data;
u32 uart2_baud;
u32 uart1_baud;
u8 init_flag;
};
static u8 uart2_buf[BUF_LEN] __attribute__((aligned(4)));
static u8 uart1_buf[BUF_LEN] __attribute__((aligned(4)));
#define __this (&hdl)
static struct chargebox_handle hdl;
extern void chargebox_data_deal(u8 cmd, u8 l_r, u8 *data, u8 length);
void __attribute__((weak)) chargebox_data_deal(u8 cmd, u8 l_r, u8 *data, u8 len)
{
}
___interrupt
static void uart2_isr(void)
{
u32 rx_len, timeout;
if ((JL_UART2->CON0 & BIT(2)) && (JL_UART2->CON0 & BIT(15))) {//发送完成
JL_UART2->CON0 |= BIT(13);
chargebox_data_deal(CMD_COMPLETE, EAR_L, NULL, 0);
}
if ((JL_UART2->CON0 & BIT(3)) && (JL_UART2->CON0 & BIT(14))) {//接收中断
JL_UART2->CON0 |= BIT(12);
JL_UART2->RXSADR = (u32)uart2_buf;
JL_UART2->RXEADR = (u32)(uart2_buf + BUF_LEN);
JL_UART2->RXCNT = BUF_LEN;
chargebox_data_deal(CMD_RECVDATA, EAR_L, uart2_buf, BUF_LEN);
}
if ((JL_UART2->CON0 & BIT(5)) && (JL_UART2->CON0 & BIT(11))) {
//OTCNT PND
JL_UART2->CON0 |= BIT(7);//DMA模式
JL_UART2->CON0 |= BIT(10);//清OTCNT PND
asm volatile("nop");
rx_len = JL_UART2->HRXCNT;//读当前串口接收数据的个数
JL_UART2->CON0 |= BIT(12);//清RX PND(这里的顺序不能改变,这里要清一次)
JL_UART2->RXSADR = (u32)uart2_buf;
JL_UART2->RXEADR = (u32)(uart2_buf + BUF_LEN);
JL_UART2->RXCNT = BUF_LEN;
timeout = 20 * 1000000 / __this->uart2_baud;
JL_UART2->OTCNT = timeout * (clk_get("uart") / 1000000);
chargebox_data_deal(CMD_RECVDATA, EAR_L, uart2_buf, rx_len);
}
}
___interrupt
static void uart1_isr(void)
{
u32 rx_len, timeout;
if ((JL_UART1->CON0 & BIT(2)) && (JL_UART1->CON0 & BIT(15))) {//发送完成
JL_UART1->CON0 |= BIT(13);
/* printf("uart1 sned isr\n"); */
chargebox_data_deal(CMD_COMPLETE, EAR_R, NULL, 0);
}
if ((JL_UART1->CON0 & BIT(3)) && (JL_UART1->CON0 & BIT(14))) {//接收中断
/* putchar('Z'); */
JL_UART1->CON0 |= BIT(12);
JL_UART1->RXSADR = (u32)uart1_buf;
JL_UART1->RXEADR = (u32)(uart1_buf + BUF_LEN);
JL_UART1->RXCNT = BUF_LEN;
chargebox_data_deal(CMD_RECVDATA, EAR_R, uart1_buf, BUF_LEN);
}
if ((JL_UART1->CON0 & BIT(5)) && (JL_UART1->CON0 & BIT(11))) {
//OTCNT PND
/* putchar('W'); */
JL_UART1->CON0 |= BIT(7);//DMA模式
JL_UART1->CON0 |= BIT(10);//清OTCNT PND
asm volatile("nop");
JL_UART1->CON0 |= BIT(12);//清RX PND(这里的顺序不能改变,这里要清一次)
rx_len = JL_UART1->HRXCNT;//读当前串口接收数据的个数
JL_UART1->RXSADR = (u32)uart1_buf;
JL_UART1->RXEADR = (u32)(uart1_buf + BUF_LEN);
JL_UART1->RXCNT = BUF_LEN;
timeout = 20 * 1000000 / __this->uart1_baud;
JL_UART1->OTCNT = timeout * (clk_get("lsb") / 1000000);
/* printf("uart1 dma recvdata isr:%x\n",uart1_buf[0]); */
/* put_buf(uart1_buf,rx_len); */
chargebox_data_deal(CMD_RECVDATA, EAR_R, uart1_buf, rx_len);
}
}
u8 chargebox_write(u8 l_r, u8 *data, u8 len)
{
if ((len == 0) || (len > BUF_LEN)) {
return 0;
}
if (l_r == EAR_L) {
memcpy(uart2_buf, data, len);
JL_UART2->TXADR = (u32)uart2_buf;
JL_UART2->TXCNT = (u16)len;
} else {
memcpy(uart1_buf, data, len);
JL_UART1->TXADR = (u32)uart1_buf;
JL_UART1->TXCNT = (u16)len;
}
return len;
}
void chargebox_open(u8 l_r, u8 mode)
{
if (mode == MODE_RECVDATA) {
if (l_r == EAR_L) {
JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10);
gpio_uart_rx_input(__this->data->L_port, 2, INPUT_CH0);
gpio_set_pull_up(__this->data->L_port, 1);
JL_UART2->RXSADR = (u32)uart2_buf;
JL_UART2->RXEADR = (u32)(uart2_buf + BUF_LEN);
JL_UART2->RXCNT = BUF_LEN;
JL_UART2->CON0 |= BIT(6) | BIT(5) | BIT(3);
JL_UART2->CON0 |= BIT(13) | BIT(12) | BIT(10) | BIT(0);
} else {
JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10);
gpio_uart_rx_input(__this->data->R_port, 1, INPUT_CH3);
gpio_set_pull_up(__this->data->R_port, 1);
JL_UART1->RXSADR = (u32)uart1_buf;
JL_UART1->RXEADR = (u32)(uart1_buf + BUF_LEN);
JL_UART1->RXCNT = BUF_LEN;
JL_UART1->CON0 |= BIT(6) | BIT(5) | BIT(3);
JL_UART1->CON0 |= BIT(13) | BIT(12) | BIT(10) | BIT(0);
}
} else {
if (l_r == EAR_L) {
JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10);
gpio_output_channle(__this->data->L_port, CH1_UT2_TX);
gpio_set_hd(__this->data->L_port, 0);
gpio_set_hd0(__this->data->L_port, 0);
JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10) | BIT(2) | BIT(0);
} else {
JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10);
gpio_output_channle(__this->data->R_port, CH2_UT1_TX);
gpio_set_hd(__this->data->R_port, 0);
gpio_set_hd0(__this->data->R_port, 0);
JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10) | BIT(2) | BIT(0);
}
}
}
void chargebox_close(u8 l_r)
{
if (l_r == EAR_L) {
JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10);
gpio_set_pull_down(__this->data->L_port, 0);
gpio_set_pull_up(__this->data->L_port, 0);
gpio_set_die(__this->data->L_port, 1);
gpio_set_hd(__this->data->L_port, 0);
gpio_direction_output(__this->data->L_port, 1);
} else {
JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10);
gpio_set_pull_down(__this->data->R_port, 0);
gpio_set_pull_up(__this->data->R_port, 0);
gpio_set_die(__this->data->R_port, 1);
gpio_set_hd(__this->data->R_port, 0);
gpio_direction_output(__this->data->R_port, 1);
}
}
void chargebox_set_baud(u8 l_r, u32 baudrate)
{
u32 uart_timeout;
if (l_r == EAR_L) {
__this->uart2_baud = baudrate;
uart_timeout = 20 * 1000000 / __this->uart2_baud;
JL_UART2->OTCNT = uart_timeout * (clk_get("lsb") / 1000000);
JL_UART2->BAUD = (clk_get("uart") / __this->uart2_baud) / 4 - 1;
JL_UART2->CON1 = (((clk_get("uart") / __this->uart2_baud) % 4) << 4);
} else {
__this->uart1_baud = baudrate;
uart_timeout = 20 * 1000000 / __this->uart1_baud;
JL_UART1->OTCNT = uart_timeout * (clk_get("lsb") / 1000000);
JL_UART1->BAUD = (clk_get("uart") / __this->uart1_baud) / 4 - 1;
JL_UART1->CON1 = (((clk_get("uart") / __this->uart1_baud) % 4) << 4);
}
}
void chargebox_init(const struct chargebox_platform_data *data)
{
u32 uart_timeout;
__this->data = (struct chargebox_platform_data *)data;
ASSERT(data);
ASSERT(!(JL_UART2->CON0 & BIT(0)), "uart2 already used!\n");
ASSERT(!(JL_UART1->CON0 & BIT(0)), "uart1 already used!\n");
/////////////////////////////////////////////////////////////////////////////////////////////
/* JL_CLOCK->CLK_CON1 |= BIT(11); */
/* JL_CLOCK->CLK_CON1 &= ~BIT(10); */
/////////////////////////////////////////////////////////////////////////////////////////////
uart_timeout = 20 * 1000000 / __this->data->baudrate;
__this->uart2_baud = __this->data->baudrate;
__this->uart1_baud = __this->data->baudrate;
//init uart2
JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10);
JL_UART2->OTCNT = uart_timeout * (clk_get("lsb") / 1000000);
JL_UART2->BAUD = (clk_get("uart") / __this->data->baudrate) / 4 - 1;
JL_UART2->CON1 = (((clk_get("uart") / __this->data->baudrate) % 4) << 4);
gpio_set_pull_down(__this->data->L_port, 0);
gpio_set_pull_up(__this->data->L_port, 1);
gpio_set_die(__this->data->L_port, 1);
gpio_direction_input(__this->data->L_port);
request_irq(IRQ_UART2_IDX, 3, uart2_isr, 0);
//used output_channel0 input_ch0
JL_IOMAP->CON3 &= ~BIT(11);//不占用IO
//init uart1
JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10);
JL_UART1->OTCNT = uart_timeout * (clk_get("lsb") / 1000000);
JL_UART1->BAUD = (clk_get("uart") / __this->data->baudrate) / 4 - 1;
JL_UART1->CON1 = (((clk_get("uart") / __this->data->baudrate) % 4) << 4);
gpio_set_pull_down(__this->data->R_port, 0);
gpio_set_pull_up(__this->data->R_port, 1);
gpio_set_die(__this->data->R_port, 1);
gpio_direction_input(__this->data->R_port);
request_irq(IRQ_UART1_IDX, 3, uart1_isr, 0);
//used output_channel1, input_ch3
JL_IOMAP->CON3 &= ~BIT(7);//不占用IO
__this->init_flag = 1;
}
static void clock_critical_enter(void)
{
}
static void clock_critical_exit(void)
{
u32 uart_timeout;
if (!__this->init_flag) {
return;
}
JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10);
JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10);
//set uart2
uart_timeout = 20 * 1000000 / __this->uart2_baud;
JL_UART2->OTCNT = uart_timeout * (clk_get("lsb") / 1000000);
JL_UART2->BAUD = (clk_get("uart") / __this->uart2_baud) / 4 - 1;
JL_UART2->CON1 = (((clk_get("uart") / __this->uart2_baud) % 4) << 4);
//set uart1
uart_timeout = 20 * 1000000 / __this->uart1_baud;
JL_UART1->OTCNT = uart_timeout * (clk_get("lsb") / 1000000);
JL_UART1->BAUD = (clk_get("uart") / __this->uart1_baud) / 4 - 1;
JL_UART1->CON1 = (((clk_get("uart") / __this->uart1_baud) % 4) << 4);
}
CLOCK_CRITICAL_HANDLE_REG(chargebox, clock_critical_enter, clock_critical_exit)
#endif//end if TCFG_CHARGE_BOX_ENABLE