From 19f11e8d8bf7ffed368870a60d09ced3320345f4 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Sun, 25 Jun 2017 11:45:13 +0200
Subject: [PATCH] stm32-l053r8-em9304: expect active state entered event, debug
 #0 indidcates wait for RDY

---
 port/stm32-l053r8-em9304/port.c | 76 ++++++++++++++++++---------------
 1 file changed, 42 insertions(+), 34 deletions(-)

diff --git a/port/stm32-l053r8-em9304/port.c b/port/stm32-l053r8-em9304/port.c
index bc0cda64f..32aad5f70 100644
--- a/port/stm32-l053r8-em9304/port.c
+++ b/port/stm32-l053r8-em9304/port.c
@@ -67,10 +67,44 @@ static const uint8_t read_command[] = {
 
 const uint8_t hci_reset[] = { 0x01, 0x03, 0x0c, 0x00 };
 
+void read_event(void){
+    uint8_t status[2];
+    uint8_t event[10];
+
+    // wait for RDY
+    HAL_GPIO_WritePin(DEBUG_0_GPIO_Port, DEBUG_0_Pin, GPIO_PIN_SET);
+    // printf("EVT: Wait for ready\n");
+    while (HAL_GPIO_ReadPin(SPI1_RDY_GPIO_Port, SPI1_RDY_Pin) == GPIO_PIN_RESET){};
+    HAL_GPIO_WritePin(DEBUG_0_GPIO_Port, DEBUG_0_Pin, GPIO_PIN_RESET);
+
+    // chip select
+    printf("EVT: Select\n");
+    HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_RESET);
+
+    // send read command
+    printf("EVT: Send read request\n");
+    HAL_SPI_TransmitReceive(&hspi1, (uint8_t*) read_command, status, sizeof(read_command), HAL_MAX_DELAY);
+
+    printf("EVT: STS1 0x%02X, STS2 0x%02X\n", status[0], status[1]);
+
+    // read all data
+    HAL_SPI_Receive(&hspi1, &event[0], status[1], HAL_MAX_DELAY);
+
+    HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_SET);
+
+    // dump
+    int i;
+    for (i=0;i<status[1];i++){
+        printf("%02x ", event[i]);
+    }
+    printf("\n");
+
+    printf("EVT: Done\n");
+}
+
 void port_main(void){
     HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_SET);
     uint8_t status[2];
-    uint8_t event[10];
 
     while (1){
 
@@ -79,16 +113,17 @@ void port_main(void){
         HAL_Delay(10);
         HAL_GPIO_WritePin(EN_GPIO_Port, EN_Pin, GPIO_PIN_SET);
 
-        printf("CMD: Select\n");
-        // HAL_GPIO_WritePin( GPIOB, GPIO_PIN_6, GPIO_PIN_RESET );
-        // HAL_GPIO_WritePin( GPIOB, GPIO_PIN_6, GPIO_PIN_SET ); 
+        read_event();
         
         // chip select
+        printf("CMD: Select\n");
         HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_RESET);
 
         // wait for RDY
-        printf("CMD: Wait for ready\n");
+        HAL_GPIO_WritePin(DEBUG_0_GPIO_Port, DEBUG_0_Pin, GPIO_PIN_SET);
+        // printf("CMD: Wait for ready\n");
         while (HAL_GPIO_ReadPin(SPI1_RDY_GPIO_Port, SPI1_RDY_Pin) == GPIO_PIN_RESET){};
+        HAL_GPIO_WritePin(DEBUG_0_GPIO_Port, DEBUG_0_Pin, GPIO_PIN_RESET);
 
         printf("CMD: Send write request\n");
 
@@ -105,7 +140,7 @@ void port_main(void){
         // check size
         if (status[1] < sizeof(hci_reset)) continue;
 
-        printf("CMD: Enough buffer, send\n");
+        printf("CMD: Enough buffer, send HCI Reset\n");
 
         // send command
         HAL_SPI_Transmit(&hspi1, (uint8_t*) hci_reset, sizeof(hci_reset), HAL_MAX_DELAY);
@@ -115,33 +150,6 @@ void port_main(void){
 
         printf("CMD: Done\n");
 
-        // wait for RDY
-        printf("EVT: Wait for ready\n");
-        while (HAL_GPIO_ReadPin(SPI1_RDY_GPIO_Port, SPI1_RDY_Pin) == GPIO_PIN_RESET){};
-
-        // chip select
-        printf("EVT: Select\n");
-        HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_RESET);
-
-        // send read command
-        printf("EVT: Send read request\n");
-        HAL_SPI_TransmitReceive(&hspi1, (uint8_t*) read_command, status, sizeof(read_command), HAL_MAX_DELAY);
-
-        printf("EVT: STS1 0x%02X, STS2 0x%02X\n", status[0], status[1]);
-
-        // read all data
-        HAL_SPI_Receive(&hspi1, &event[0], status[1], HAL_MAX_DELAY);
-
-        HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_SET);
-
-        // dump
-        int i;
-        for (i=0;i<status[1];i++){
-            printf("%02x ", event[i]);
-        }
-        printf("\n");
-
-        printf("EVT: Done\n");
-
+        read_event();
     }
 }
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