initial commit

lib/amb1_sdk/common/example/inic_gspi/example_inic_gspi.c

@@ -0,0 +1,149 @@
+#include "FreeRTOS.h"
+#include "task.h"
+#include <platform/platform_stdlib.h>
+#include "basic_types.h"
+#include "platform_opts.h"
+
+#if CONFIG_EXAMPLE_INIC_GSPI_HOST
+
+#include "src/include/autoconf.h"
+#include "lwip_netconf.h"
+#include "freertos/inic_intf.h"
+
+#include "spi_api.h"
+#include "spi_ex_api.h"
+
+#ifdef CONFIG_RTL8711B
+#define SPI0_MOSI  	PA_23
+#define SPI0_MISO  	PA_22
+#define SPI0_SCLK  	PA_18
+#define SPI0_CS    	PA_19 // This pin is redundant
+#define GPIO_CS		PA_19
+#else
+// SPI0
+#define SPI0_MOSI  	PC_2
+#define SPI0_MISO  	PC_3
+#define SPI0_SCLK  	PC_1
+#define SPI0_CS    	PC_0 // This pin is redundant			
+#define GPIO_CS		PB_2
+#endif
+
+#define SPI0_FREQUENCY  20000000
+// SPI master configuration
+#define SPI_BITS		8 // Ameba SPI support 8bits and 16bits mode
+
+static spi_t spi0_master;
+static gpio_t gpio_cs;
+
+volatile bool txDone = FALSE;
+volatile bool rxDone = FALSE;
+
+volatile bool txbusIdle = FALSE;
+
+#define SLAVE_SELECT()		gpio_write(&gpio_cs, 0)
+#define SLAVE_DESELECT()	gpio_write(&gpio_cs, 1)
+
+int spi_transfer(uint8_t* buf, uint32_t buf_len)
+{
+    int i = 0;
+	int ret = 0;
+	SLAVE_SELECT();
+
+	txbusIdle = FALSE; // ensure TX done 
+	rxDone = FALSE; // ensure RX done
+
+	if(spi_master_write_read_stream(&spi0_master, buf, buf, buf_len)!=0x00){
+		ret = -1;
+	}else{
+		while((!txbusIdle) || (!rxDone)){
+			wait_ms(1);
+			if (++i > 2000) {
+				printf("SPI write and read Timeout...\r\n");
+				break;
+			}
+		}
+	}
+	
+	/* Chip Select Pull High */
+	SLAVE_DESELECT();
+	return ret;
+}
+
+
+//  SPI master interrupt callback if use interrupt mode
+void spi_tx_rx_intr_callback(void *pdata, SpiIrq event){
+
+	switch(event){
+		case SpiRxIrq:
+			rxDone = TRUE;
+			break;
+		case SpiTxIrq:
+			txDone = TRUE;
+			break;
+		default:
+			printf("unknown interrput evnent!\n");
+	} 
+}
+
+void spi_tx_bus_idle_callback(void *pdata, SpiIrq event){
+	txbusIdle = TRUE;
+}
+
+void spi_init_master(){
+	// init spi master 
+	#ifdef CONFIG_RTL8711B
+	spi0_master.spi_idx=MBED_SPI1;
+	#endif
+	spi_init(&spi0_master, SPI0_MOSI, SPI0_MISO, SPI0_SCLK, SPI0_CS);
+	spi_format(&spi0_master, SPI_BITS, 0, 0);
+	spi_frequency(&spi0_master, SPI0_FREQUENCY);
+	
+	printf("spi master frequency %d Hz\n",SPI0_FREQUENCY);
+
+	// init spi master tx/rx done interrupt
+	spi_irq_hook(&spi0_master, (spi_irq_handler)spi_tx_rx_intr_callback, NULL);
+
+	// init spi master tx bus idle interrupt
+	spi_bus_tx_done_irq_hook(&spi0_master, (spi_irq_handler)spi_tx_bus_idle_callback, NULL);
+
+	gpio_init(&gpio_cs, GPIO_CS);
+	gpio_mode(&gpio_cs, PullDown);
+	gpio_dir(&gpio_cs, PIN_OUTPUT);
+        
+	SLAVE_DESELECT(); // deselect slave
+}
+
+
+void example_inic_gspi_thread(void* param){
+	int ret;
+	char pbuf_SSID[] = "ATW0=bonjour";	// set your own SSID
+	char pbuf_PASS[] = "****";			// set password
+	char pbuf_CONN[] = "ATWC";
+	printf("iNIC master example start...\n");
+
+	/* init host spi contorller */
+	spi_init_master();
+
+	/* init inic driver */
+	ret = rltk_inic_init();
+	if(ret == 0){// inic init successfully
+		rltk_inic_start();
+	}
+	/* start io control test*/
+	// set SSID
+	atcmd_ctl(pbuf_SSID, sizeof(pbuf_SSID));
+	// set password
+	//atcmd_ctl(pbuf_PASS, sizeof(pbuf_PASS));
+	// start connecttion
+	atcmd_ctl(pbuf_CONN, sizeof(pbuf_CONN));
+fail:
+	vTaskDelete(NULL);
+}
+
+
+void example_inic_gspi(void)
+{
+	if(xTaskCreate(example_inic_gspi_thread, ((const char*)"example_inic_gspi_thread"), 2048, NULL, tskIDLE_PRIORITY + 1, NULL) != pdPASS)
+		printf("\n\r%s xTaskCreate(example_inic_gspi_thread) failed", __FUNCTION__);
+}
+#endif

lib/amb1_sdk/common/example/inic_gspi/example_inic_gspi.h

@@ -0,0 +1,7 @@
+#ifndef _EXAMPLE_INIC_H
+#define _EXAMPLE_INIC_H
+
+void example_inic(void);
+
+#endif /* _EXAMPLE_INIC_H */
+