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michaels' uart code. working tx_mode 1 on ESP8266

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This commit is contained in:
proddy
2020-06-13 15:47:51 +02:00
parent 56ffe76638
commit 1fc276a1e2
2 changed files with 90 additions and 65 deletions
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35
src/uart/emsuart_esp8266.h
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@@ -15,6 +15,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(ESP8266)
#ifndef EMSESP_EMSUART_H
#define EMSESP_EMSUART_H
@@ -40,34 +41,30 @@
#define EMS_TXMODE_NEW 4 // for michael's testing
// LEGACY
#define EMSUART_BIT_TIME 104 // bit time @9600 baud
#define EMSUART_TX_BIT_TIME 104 // bit time @9600 baud
#define EMSUART_TX_BRK_WAIT 2070 // the BRK from Boiler master is roughly 1.039ms, so accounting for hardware lag using around 2078 (for half-duplex) - 8 (lag)
#define EMSUART_TX_WAIT_BYTE (EMSUART_BIT_TIME * 10) // Time to send one Byte (8 Bits, 1 Start Bit, 1 Stop Bit)
#define EMSUART_TX_WAIT_BRK (EMSUART_BIT_TIME * 11) // Time to send a BRK Signal (11 Bit)
#define EMSUART_TX_WAIT_GAP (EMSUART_BIT_TIME * 7) // Gap between to Bytes
#define EMSUART_TX_LAG 8
#define EMSUART_BUSY_WAIT (EMSUART_BIT_TIME / 8)
#define EMS_TX_TO_CHARS (2 + 20)
#define EMS_TX_TO_COUNT ((EMS_TX_TO_CHARS)*8)
// EMS 1.0
#define EMSUART_TX_BUSY_WAIT (EMSUART_TX_BIT_TIME / 8) // 13
// HT3/Junkers - Time to send one Byte (8 Bits, 1 Start Bit, 1 Stop Bit). The -8 is for lag compensation.
#define EMSUART_TX_BRK_WAIT_HT3 (EMSUART_TX_BIT_TIME * 11) - 8 // 1136
namespace emsesp {
typedef enum {
EMS_TX_STATUS_OK = 1,
EMS_TX_WTD_TIMEOUT, // watchdog timeout during send
EMS_TX_BRK_DETECT, // incoming BRK during Tx
} EMSUART_STATUS;
#define EMS_TX_STATUS_ERR 0
#define EMS_TX_STATUS_OK 1
class EMSuart {
public:
EMSuart() = default;
~EMSuart() = default;
static void ICACHE_FLASH_ATTR start(uint8_t tx_mode);
static void ICACHE_FLASH_ATTR stop();
static void ICACHE_FLASH_ATTR restart();
static void ICACHE_FLASH_ATTR send_poll(uint8_t data);
static EMSUART_STATUS ICACHE_FLASH_ATTR transmit(uint8_t * buf, uint8_t len);
static void ICACHE_FLASH_ATTR start(uint8_t tx_mode);
static void ICACHE_FLASH_ATTR stop();
static void ICACHE_FLASH_ATTR restart();
static void ICACHE_FLASH_ATTR send_poll(uint8_t data);
static uint16_t ICACHE_FLASH_ATTR transmit(uint8_t * buf, uint8_t len);
typedef struct {
uint8_t length;
@@ -81,8 +78,10 @@ class EMSuart {
static void ICACHE_FLASH_ATTR emsuart_recvTask(os_event_t * events);
static void ICACHE_FLASH_ATTR emsuart_flush_fifos();
static void ICACHE_FLASH_ATTR tx_brk();
static void ICACHE_RAM_ATTR emsuart_tx_timer_intr_handler();
};
} // namespace emsesp
#endif
#endif